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10.1145/3687989
Multi-level Partition of Unity on Differentiable Moving Particles
https://doi.org/10.1145/3687989
[ "Jinjin He", "Taiyuan Zhang", "Hiroki Kobayashi", "Atsushi Kawamoto", "Yuqing Zhou", "Tsuyoshi Nomura", "Bo Zhu" ]
We introduce a differentiable moving particle representation based on the multi-level partition of unity (MPU) to represent dynamic implicit geometries. At the core of our representation are two groups of particles, named feature particles and sample particles, which can move in space and produce dynamic surfaces accor...
journal
10.1145/3687989
null
null
10.1145/3687959
Solid-Fluid Interaction on Particle Flow Maps
https://doi.org/10.1145/3687959
[ "Duowen Chen", "Zhiqi Li", "Junwei Zhou", "Fan Feng", "Tao Du", "Bo Zhu" ]
We propose a novel solid-fluid interaction method for coupling elastic solids with impulse flow maps. Our key idea is to unify the representation of fluid and solid components as particle flow maps with different lengths and dynamics. The solid-fluid coupling is enabled by implementing two novel mechanisms: first, we d...
journal
10.1145/3687959
2409.09225
title_snapshot
10.1145/3687990
Solving Inverse PDE Problems using Grid-Free Monte Carlo Estimators
https://doi.org/10.1145/3687990
[ "Ekrem Fatih Yilmazer", "Delio Vicini", "Wenzel Jakob" ]
Partial differential equations can model diverse physical phenomena including heat diffusion, incompressible flows, and electrostatic potentials. Given a description of an object's boundary and interior, traditional methods solve such PDEs by densely meshing the interior and then solving a large and sparse linear syste...
journal
10.1145/3687990
2208.02114
title_snapshot
10.1145/3687968
Deformation Recovery: Localized Learning for Detail-Preserving Deformations
https://doi.org/10.1145/3687968
[ "Ramana Sundararaman", "Nicolas Donati", "Simone Melzi", "Etienne Corman", "Maks Ovsjanikov" ]
We introduce a novel data-driven approach aimed at designing high-quality shape deformations based on a coarse localized input signal. Unlike previous data-driven methods that require a global shape encoding, we observe that detail-preserving deformations can be estimated reliably without any global context in certain ...
journal
10.1145/3687968
2410.08225
title_snapshot
10.1145/3687924
Inverse Rendering for Tomographic Volumetric Additive Manufacturing
https://doi.org/10.1145/3687924
[ "Baptiste Nicolet", "Felix Wechsler", "Jorge Madrid-Wolff", "Christophe Moser", "Wenzel Jakob" ]
Tomographic Volumetric Additive Manufacturing (TVAM) is an emerging 3D printing technology that can create complex objects in under a minute. The key idea is to project intense light patterns onto a rotating vial of photo-sensitive resin, causing polymerization where the cumulative dose of these patterns reaches the po...
journal
10.1145/3687924
null
null
10.1145/3687897
DirectL: Efficient Radiance Fields Rendering for 3D Light Field Displays
https://doi.org/10.1145/3687897
[ "Zongyuan Yang", "Baolin Liu", "Yingde Song", "Lan Yi", "Yongping Xiong", "Zhaohe Zhang", "Xunbo Yu" ]
Autostereoscopic display technology, despite decades of development, has not achieved extensive application, primarily due to the daunting challenge of three-dimensional (3D) content creation for non-specialists. The emergence of Radiance Field as an innovative 3D representation has markedly revolutionized the domains ...
journal
10.1145/3687897
2407.14053
title_snapshot
10.1145/3687992
A Progressive Embedding Approach to Bijective Tetrahedral Maps driven by Cluster Mesh Topology
https://doi.org/10.1145/3687992
[ "Valentin Zénon Nigolian", "Marcel Campen", "David Bommes" ]
We present a novel algorithm to map ball-topology tetrahedral meshes onto star-shaped domains with guarantees regarding bijectivity. Our algorithm is based on the recently introduced idea of Shrink-and-Expand, where images of interior vertices are initially clustered at one point (Shrink-), before being sequentially mo...
journal
10.1145/3687992
null
null
10.1145/3687925
Exact and Efficient Intersection Resolution for Mesh Arrangements
https://doi.org/10.1145/3687925
[ "Jia-Peng Guo", "Xiao-Ming Fu" ]
We propose a novel method to exactly and efficiently resolve intersections and self-intersections in triangle meshes. Our method contains two key components. First, we present a new concept of geometric predicates, called indirect offset predicates , to represent all intersection points through a new formulation and es...
journal
10.1145/3687925
null
null
10.1145/3687905
Architectural Co-LOD Generation
https://doi.org/10.1145/3687905
[ "Runze Zhang", "Shanshan Pan", "Chenlei Lv", "Minglun Gong", "Hui Huang" ]
Managing the level-of-detail (LOD) in architectural models is crucial yet challenging, particularly for effective representation and visualization of buildings. Traditional approaches often fail to deliver controllable detail alongside semantic consistency, especially when dealing with noisy and inconsistent inputs. We...
journal
10.1145/3687905
2409.12207
title_snapshot
10.1145/3687977
MV2MV: Multi-View Image Translation via View-Consistent Diffusion Models
https://doi.org/10.1145/3687977
[ "Youcheng Cai", "Runshi Li", "Ligang Liu" ]
Image translation has various applications in computer graphics and computer vision, aiming to transfer images from one domain to another. Thanks to the excellent generation capability of diffusion models, recent single-view image translation methods achieve realistic results. However, directly applying diffusion model...
journal
10.1145/3687977
null
null
10.1145/3687971
StableNormal: Reducing Diffusion Variance for Stable and Sharp Normal
https://doi.org/10.1145/3687971
[ "Chongjie Ye", "Lingteng Qiu", "Xiaodong Gu", "Qi Zuo", "Yushuang Wu", "Zilong Dong", "Liefeng Bo", "Yuliang Xiu", "Xiaoguang Han" ]
This work addresses the challenge of high-quality surface normal estimation from monocular colored inputs (i.e., images and videos), a field which has recently been revolutionized by repurposing diffusion priors. However, previous attempts still struggle with stochastic inference, conflicting with the deterministic nat...
journal
10.1145/3687971
2406.16864
title_snapshot
10.1145/3687948
UFO Instruction Graphs Are Machine Knittable
https://doi.org/10.1145/3687948
[ "Jenny Han Lin", "Yuka Ikarashi", "Gilbert Louis Bernstein", "James McCann" ]
Programming low-level controls for knitting machines is a meticulous, time-consuming task that demands specialized expertise. Recently, there has been a shift towards automatically generating low-level knitting machine programs from high-level knit representations that describe knit objects in a more intuitive, user-fr...
journal
10.1145/3687948
null
null
10.1145/3687950
Bijective Volumetric Mapping via Star Decomposition
https://doi.org/10.1145/3687950
[ "Steffen Hinderink", "Hendrik Brückler", "Marcel Campen" ]
A method for the construction of bijective volumetric maps between 3D shapes is presented. Arbitrary shapes of ball-topology are supported, overcoming restrictions of previous methods to convex or star-shaped targets. In essence, the mapping problem is decomposed into a set of simpler mapping problems, each of which ca...
journal
10.1145/3687950
null
null
10.1145/3687963
An Impulse Ghost Fluid Method for Simulating Two-Phase Flows
https://doi.org/10.1145/3687963
[ "Yuchen Sun", "Linglai Chen", "Weiyuan Zeng", "Tao Du", "Shiying Xiong", "Bo Zhu" ]
This paper introduces a two-phase interfacial fluid model based on the impulse variable to capture complex vorticity-interface interactions. Our key idea is to leverage bidirectional flow map theory to enhance the transport accuracy of both vorticity and interfaces simultaneously and address their coupling within a uni...
journal
10.1145/3687963
null
null
10.1145/3687766
GPU Coroutines for Flexible Splitting and Scheduling of Rendering Tasks
https://doi.org/10.1145/3687766
[ "Shaokun Zheng", "Xin Chen", "Zhong Shi", "Ling-Qi Yan", "Kun Xu" ]
We introduce coroutines into GPU kernel programming, providing an automated solution for flexible splitting and scheduling of rendering tasks. This approach addresses a prevalent challenge in harnessing the power of modern GPUs for complex, imbalanced graphics workloads like path tracing. Usually, to accommodate the SI...
journal
10.1145/3687766
null
null
10.1145/3687962
Geometry-Aware Retargeting for Two-Skinned Characters Interaction
https://doi.org/10.1145/3687962
[ "Inseo Jang", "Soojin Choi", "Seokhyeon Hong", "Chaelin Kim", "Junyong Noh" ]
Interactive motion between multiple characters is widely utilized in games and movies. However, the method for generating interactive motions considering the character's diverse mesh shape has yet to be studied. We propose a Spatio Cooperative Transformer (SCT) to retarget the interacting motions of two characters havi...
journal
10.1145/3687962
null
null
10.1145/3687914
3D Reconstruction with Fast Dipole Sums
https://doi.org/10.1145/3687914
[ "Hanyu Chen", "Bailey Miller", "Ioannis Gkioulekas" ]
We introduce a method for high-quality 3D reconstruction from multi-view images. Our method uses a new point-based representation, the regularized dipole sum, which generalizes the winding number to allow for interpolation of per-point attributes in point clouds with noisy or outlier points. Using regularized dipole su...
journal
10.1145/3687914
2405.16788
title_snapshot
10.1145/3687953
Quark: Real-time, High-resolution, and General Neural View Synthesis
https://doi.org/10.1145/3687953
[ "John Flynn", "Michael Broxton", "Lukas Murmann", "Lucy Chai", "Matthew DuVall", "Clément Godard", "Kathryn Heal", "Srinivas Kaza", "Stephen Lombardi", "Xuan Luo", "Supreeth Achar", "Kira Prabhu", "Tiancheng Sun", "Lynn Tsai", "Ryan Overbeck" ]
We present a novel neural algorithm for performing high-quality, highresolution, real-time novel view synthesis. From a sparse set of input RGB images or videos streams, our network both reconstructs the 3D scene and renders novel views at 1080p resolution at 30fps on an NVIDIA A100. Our feed-forward network generalize...
journal
10.1145/3687953
2411.16680
title_snapshot
10.1145/3687978
NFPLight: Deep SVBRDF Estimation via the Combination of Near and Far Field Point Lighting
https://doi.org/10.1145/3687978
[ "Li Wang", "Lianghao Zhang", "Fangzhou Gao", "Yuzhen Kang", "Jiawan Zhang" ]
Recovering spatial-varying bi-directional reflectance distribution function (SVBRDF) from a few hand-held captured images has been a challenging task in computer graphics. Benefiting from the learned priors from data, single-image methods can obtain plausible SVBRDF estimation results. However, the extremely limited ap...
journal
10.1145/3687978
null
null
10.1145/3687955
Skeleton-Driven Inbetweening of Bitmap Character Drawings
https://doi.org/10.1145/3687955
[ "Kirill Brodt", "Mikhail Bessmeltsev" ]
One of the primary reasons for the high cost of traditional animation is the inbetweening process, where artists manually draw each intermediate frame necessary for smooth motion. Making this process more efficient has been at the core of computer graphics research for years, yet the industry has adopted very few solut...
journal
10.1145/3687955
null
null
10.1145/3687938
Online Neural Denoising with Cross-Regression for Interactive Rendering
https://doi.org/10.1145/3687938
[ "Hajin Choi", "Seokpyo Hong", "Inwoo Ha", "Nahyup Kang", "Bochang Moon" ]
Generating a rendered image sequence through Monte Carlo ray tracing is an appealing option when one aims to accurately simulate various lighting effects. Unfortunately, interactive rendering scenarios limit the allowable sample size for such sampling-based light transport algorithms, resulting in an unbiased but noisy...
journal
10.1145/3687938
null
null
10.1145/3687765
Optimized shock-protecting microstructures
https://doi.org/10.1145/3687765
[ "Zizhou Huang", "Daniele Panozzo", "Denis Zorin" ]
Mechanical shock is a common occurrence in various settings, there are two different scenarios for shock protection: catastrophic protection (e.g. car collisions and falls) and routine protection (e.g. shoe soles and mattresses). The former protects against one-time events, the latter against periodic shocks and loads....
journal
10.1145/3687765
2310.08609
title_snapshot
10.1145/3687941
SKEL-Betweener: a Neural Motion Rig for Interactive Motion Authoring
https://doi.org/10.1145/3687941
[ "Dhruv Agrawal", "Jakob Buhmann", "Dominik Borer", "Robert W. Sumner", "Martin Guay" ]
Authoring 3D motions is a laborious process that requires manipulating and coordinating many control handles over time. Neural motion representations learned from large motion datasets have recently shown impressive capabilities in many motion completion tasks. However, current methods are not designed for interactive ...
journal
10.1145/3687941
null
null
10.1145/3687985
Multi-Resolution Real-Time Deep Pose-Space Deformation
https://doi.org/10.1145/3687985
[ "Mianlun Zheng", "Jernej Barbic" ]
We present a hard-real-time multi-resolution mesh shape deformation technique for skeleton-driven soft-body characters. Producing mesh deformations at multiple levels of detail is very important in many applications in computer graphics. Our work targets applications where the multi-resolution shapes must be generated ...
journal
10.1145/3687985
null
null
10.1145/3687966
Computational Design of a Kit of Parts for Bending Active Structures
https://doi.org/10.1145/3687966
[ "Quentin Becker", "Uday Kusupati", "Seiichi Suzuki", "Mark Pauly" ]
Bending-active structures are composed of elastic elements that deform to achieve a desired target shape. To support effective design, inverse algorithms have been proposed that optimize the geometry of each element specifically for each design. This makes it difficult to reuse elements across designs or gain efficienc...
journal
10.1145/3687966
null
null
10.1145/3687763
MATTopo: Topology-preserving Medial Axis Transform with Restricted Power Diagram
https://doi.org/10.1145/3687763
[ "Ningna Wang", "Hui Huang", "Shibo Song", "Bin Wang", "Wenping Wang", "Xiaohu Guo" ]
We present a novel topology-preserving 3D medial axis computation framework based on volumetric restricted power diagram (RPD), while preserving the medial features and geometric convergence simultaneously, for both 3D CAD and organic shapes. The volumetric RPD discretizes the input 3D volume into sub-regions given a s...
journal
10.1145/3687763
2403.18761
title_snapshot
10.1145/3687896
PVP-Recon: Progressive View Planning via Warping Consistency for Sparse-View Surface Reconstruction
https://doi.org/10.1145/3687896
[ "Sheng Ye", "Yuze He", "Matthieu Lin", "Jenny Sheng", "Ruoyu Fan", "Yiheng Han", "Yubin Hu", "Ran Yi", "Yu-Hui Wen", "Yong-Jin Liu", "Wenping Wang" ]
Neural implicit representations have revolutionized dense multi-view surface reconstruction, yet their performance significantly diminishes with sparse input views. A few pioneering works have sought to tackle this challenge by leveraging additional geometric priors or multi-scene generalizability. However, they are st...
journal
10.1145/3687896
2409.05474
title_snapshot
10.1145/3687961
Accelerate Neural Subspace-Based Reduced-Order Solver of Deformable Simulation by Lipschitz Optimization
https://doi.org/10.1145/3687961
[ "Aoran Lyu", "Shixian Zhao", "Chuhua Xian", "Zhihao Cen", "Hongmin Cai", "Guoxin Fang" ]
Reduced-order simulation is an emerging method for accelerating physical simulations with high DOFs, and recently developed neural-network-based methods with nonlinear subspaces have been proven effective in diverse applications as more concise subspaces can be detected. However, the complexity and landscape of simulat...
journal
10.1145/3687961
2409.03807
title_snapshot
10.1145/3687918
Large Scale Farm Scene Modeling from Remote Sensing Imagery
https://doi.org/10.1145/3687918
[ "Zhiqi Xiao", "Hao Jiang", "Zhigang Deng", "Ran Li", "Wenwei Han", "Zhaoqi Wang" ]
In this paper we propose a scalable framework for large-scale farm scene modeling that utilizes remote sensing data, specifically satellite images. Our approach begins by accurately extracting and categorizing the distributions of various scene elements from satellite images into four distinct layers: fields, trees, ro...
journal
10.1145/3687918
null
null
10.1145/3687909
TEXGen: a Generative Diffusion Model for Mesh Textures
https://doi.org/10.1145/3687909
[ "Xin Yu", "Ze Yuan", "Yuan-Chen Guo", "Ying-Tian Liu", "Jianhui Liu", "Yangguang Li", "Yan-Pei Cao", "Ding Liang", "Xiaojuan Qi" ]
While high-quality texture maps are essential for realistic 3D asset rendering, few studies have explored learning directly in the texture space, especially on large-scale datasets. In this work, we depart from the conventional approach of relying on pre-trained 2D diffusion models for testtime optimization of 3D textu...
journal
10.1145/3687909
2411.14740
title_snapshot
10.1145/3687906
A Flexible Mold for Facade Panel Fabrication
https://doi.org/10.1145/3687906
[ "Florian Rist", "Zhecheng Wang", "Davide Pellis", "Marco Palma", "Daoming Liu", "Eitan Grinspun", "Dominik L. Michels" ]
Architectural surface panelling often requires fabricating molds for panels, a process that can be cost-inefficient and material-wasteful when using traditional methods such as CNC milling. In this paper, we introduce a novel solution to generating molds for efficiently fabricating architectural panels. At the core of ...
journal
10.1145/3687906
null
null
10.1145/3687767
Polarimetric BSSRDF Acquisition of Dynamic Faces
https://doi.org/10.1145/3687767
[ "Hyunho Ha", "Inseung Hwang", "Nestor Monzon", "Jaemin Cho", "Donggun Kim", "Seung-Hwan Baek", "Adolfo Muñoz", "Diego Gutierrez", "Min H. Kim" ]
Acquisition and modeling of polarized light reflection and scattering help reveal the shape, structure, and physical characteristics of an object, which is increasingly important in computer graphics. However, current polarimetric acquisition systems are limited to static and opaque objects. Human faces, on the other h...
journal
10.1145/3687767
2501.01980
title_snapshot
10.1145/3687939
Quad mesh mechanisms
https://doi.org/10.1145/3687939
[ "Caigui Jiang", "Dmitry Lyakhov", "Florian Rist", "Helmut Pottmann", "Johannes Wallner" ]
This paper provides computational tools for the modeling and design of quad mesh mechanisms, which are meshes allowing continuous flexions under the assumption of rigid faces and hinges in the edges. We combine methods and results from different areas, namely differential geometry of surfaces, rigidity and flexibility ...
journal
10.1145/3687939
null
null
10.1145/3687937
Gaussian Opacity Fields: Efficient Adaptive Surface Reconstruction in Unbounded Scenes
https://doi.org/10.1145/3687937
[ "Zehao Yu", "Torsten Sattler", "Andreas Geiger" ]
Recently, 3D Gaussian Splatting (3DGS) has demonstrated impressive novel view synthesis results, while allowing the rendering of high-resolution images in real-time. However, leveraging 3D Gaussians for surface reconstruction poses significant challenges due to the explicit and disconnected nature of 3D Gaussians. In t...
journal
10.1145/3687937
2404.10772
title_snapshot
10.1145/3687957
SGEdit: Bridging LLM with Text2Image Generative Model for Scene Graph-based Image Editing
https://doi.org/10.1145/3687957
[ "Zhiyuan Zhang", "DongDong Chen", "Jing Liao" ]
Scene graphs offer a structured, hierarchical representation of images, with nodes and edges symbolizing objects and the relationships among them. It can serve as a natural interface for image editing, dramatically improving precision and flexibility. Leveraging this benefit, we introduce a new framework that integrate...
journal
10.1145/3687957
2410.11815
title_snapshot
10.1145/3687764
Differentiable Owen Scrambling
https://doi.org/10.1145/3687764
[ "Bastien Doignies", "David Coeurjolly", "Nicolas Bonneel", "Julie Digne", "Jean-Claude Iehl", "Victor Ostromoukhov" ]
Quasi-Monte Carlo integration is at the core of rendering. This technique estimates the value of an integral by evaluating the integrand at well-chosen sample locations. These sample points are designed to cover the domain as uniformly as possible to achieve better convergence rates than purely random points. Determini...
journal
10.1145/3687764
null
null
10.1145/3687952
3DGSR: Implicit Surface Reconstruction with 3D Gaussian Splatting
https://doi.org/10.1145/3687952
[ "Xiaoyang Lyu", "Yang-Tian Sun", "Yi-Hua Huang", "Xiuzhe Wu", "Ziyi Yang", "Yilun Chen", "Jiangmiao Pang", "Xiaojuan Qi" ]
In this paper, we present an implicit surface reconstruction method with 3D Gaussian Splatting (3DGS), namely 3DGSR, that allows for accurate 3D reconstruction with intricate details while inheriting the high efficiency and rendering quality of 3DGS. The key insight is to incorporate an implicit signed distance field (...
journal
10.1145/3687952
2404.00409
title_snapshot
10.1145/3687921
GarVerseLOD: High-Fidelity 3D Garment Reconstruction from a Single In-the-Wild Image using a Dataset with Levels of Details
https://doi.org/10.1145/3687921
[ "Zhongjin Luo", "Haolin Liu", "Chenghong Li", "Wanghao Du", "Zirong Jin", "Wanhu Sun", "Yinyu Nie", "Weikai Chen", "Xiaoguang Han" ]
Neural implicit functions have brought impressive advances to the state-of-the-art of clothed human digitization from multiple or even single images. However, despite the progress, current arts still have difficulty generalizing to unseen images with complex cloth deformation and body poses. In this work, we present Ga...
journal
10.1145/3687921
2411.03047
title_snapshot
10.1145/3687975
StyleCrafter: Taming Artistic Video Diffusion with Reference-Augmented Adapter Learning
https://doi.org/10.1145/3687975
[ "Gongye Liu", "Menghan Xia", "Yong Zhang", "Haoxin Chen", "Jinbo Xing", "Yibo Wang", "Xintao Wang", "Ying Shan", "Yujiu Yang" ]
Text-to-video (T2V) models have shown remarkable capabilities in generating diverse videos. However, they struggle to produce user-desired artistic videos due to (i) text's inherent clumsiness in expressing specific styles and (ii) the generally degraded style fidelity. To address these challenges, we introduce StyleCr...
journal
10.1145/3687975
null
null
10.1145/3687995
Perspective-Aligned AR Mirror with Under-Display Camera
https://doi.org/10.1145/3687995
[ "Jian Wang", "Sizhuo Ma", "Karl Bayer", "Yi Zhang", "Peihao Wang", "Bing Zhou", "Shree Nayar", "Gurunandan Krishnan" ]
Augmented reality (AR) mirrors are novel displays that have great potential for commercial applications such as virtual apparel try-on. Typically the camera is placed beside the display, leading to distorted perspectives during user interaction. In this paper, we present a novel approach to address this problem by plac...
journal
10.1145/3687995
null
null
10.1145/3687964
Medial Skeletal Diagram: A Generalized Medial Axis Approach for Compact 3D Shape Representation
https://doi.org/10.1145/3687964
[ "Minghao Guo", "Bohan Wang", "Wojciech Matusik" ]
We propose the Medial Skeletal Diagram, a novel skeletal representation that tackles the prevailing issues around skeleton sparsity and reconstruction accuracy in existing skeletal representations. Our approach augments the continuous elements in the medial axis representation to effectively shift the complexity away f...
journal
10.1145/3687964
2310.09395
title_judge
10.1145/3687904
CBIL: Collective Behavior Imitation Learning for Fish from Real Videos
https://doi.org/10.1145/3687904
[ "Yifan Wu", "Zhiyang Dou", "Yuko Ishiwaka", "Shun Ogawa", "Yuke Lou", "Wenping Wang", "Lingjie Liu", "Taku Komura" ]
Reproducing realistic collective behaviors presents a captivating yet formidable challenge. Traditional rule-based methods rely on hand-crafted principles, limiting motion diversity and realism in generated collective behaviors. Recent imitation learning methods learn from data but often require ground-truth motion tra...
journal
10.1145/3687904
2504.00234
title_snapshot
10.1145/3687771
PuzzleAvatar: Assembling 3D Avatars from Personal Albums
https://doi.org/10.1145/3687771
[ "Yuliang Xiu", "Yufei Ye", "Zhen Liu", "Dimitris Tzionas", "Michael J. Black" ]
Generating personalized 3D avatars is crucial for AR/VR. However, recent text-to-3D methods that generate avatars for celebrities or fictional characters, struggle with everyday people. Methods for faithful reconstruction typically require full-body images in controlled settings. What if users could just upload their p...
journal
10.1145/3687771
2405.14869
title_snapshot
10.1145/3687760
Efficient GPU Cloth Simulation with Non-distance Barriers and Subspace Reuse
https://doi.org/10.1145/3687760
[ "Lei Lan", "Zixuan Lu", "Jingyi Long", "Chun Yuan", "Xuan Li", "Xiaowei He", "Huamin Wang", "Chenfanfu Jiang", "Yin Yang" ]
This paper pushes the performance of cloth simulation, making the simulation interactive even for high-resolution garment models while keeping every triangle untangled. The penetration-free guarantee is inspired by the interior point method, which converts the inequality constraints to barrier potentials. We propose a ...
journal
10.1145/3687760
2403.19272
title_snapshot
10.1145/3687769
DreamUDF: Generating Unsigned Distance Fields from A Single Image
https://doi.org/10.1145/3687769
[ "Yu-Tao Liu", "Xuan Gao", "Weikai Chen", "Jie Yang", "Xiaoxu Meng", "Bo Yang", "Lin Gao" ]
Recent advances in diffusion models and neural implicit surfaces have shown promising progress in generating 3D models. However, existing generative frameworks are limited to closed surfaces, failing to cope with a wide range of commonly seen shapes that have open boundaries. In this work, we present DreamUDF, a novel ...
journal
10.1145/3687769
null
null
10.1145/3687956
Surface Reconstruction Using Rotation Systems
https://doi.org/10.1145/3687956
[ "Ruiqi Cui", "Emil Toftegaard Gæde", "Eva Rotenberg", "Leif Kobbelt", "J. Andreas Bærentzen" ]
Inspired by the seminal result that a graph and an associated rotation system uniquely determine the topology of a closed manifold, we propose a combinatorial method for reconstruction of surfaces from points. Our method constructs a spanning tree and a rotation system. Since the tree is trivially a planar graph, its r...
journal
10.1145/3687956
2402.01893
title_snapshot
10.1145/3687755
Learn to Create Simple LEGO Micro Buildings
https://doi.org/10.1145/3687755
[ "Jiahao Ge", "Mingjun Zhou", "Chi-Wing Fu" ]
This paper presents the first learning-based generative pipeline for effectively creating 3D LEGO® 1 models. This task is very challenging due to the lack of dedicated representations and datasets for learning coherently-connected bricks arrangements, as well as an immense design space that is combinatorial in nature. ...
journal
10.1145/3687755
null
null
10.1145/3687996
An Eulerian Vortex Method on Flow Maps
https://doi.org/10.1145/3687996
[ "Sinan Wang", "Yitong Deng", "Molin Deng", "Hong-Xing Yu", "Junwei Zhou", "Duowen Chen", "Taku Komura", "Jiajun Wu", "Bo Zhu" ]
We present an Eulerian vortex method based on the theory of flow maps to simulate the complex vortical motions of incompressible fluids. Central to our method is the novel incorporation of the flow-map transport equations for line elements , which, in combination with a bi-directional marching scheme for flow maps, ena...
journal
10.1145/3687996
2409.06201
title_snapshot
10.1145/3687951
MaskedMimic: Unified Physics-Based Character Control Through Masked Motion Inpainting
https://doi.org/10.1145/3687951
[ "Chen Tessler", "Yunrong Guo", "Ofir Nabati", "Gal Chechik", "Xue Bin Peng" ]
Crafting a single, versatile physics-based controller that can breathe life into interactive characters across a wide spectrum of scenarios represents an exciting frontier in character animation. An ideal controller should support diverse control modalities, such as sparse target keyframes, text instructions, and scene...
journal
10.1145/3687951
2409.14393
title_snapshot
10.1145/3687920
PCO: Precision-Controllable Offset Surfaces with Sharp Features
https://doi.org/10.1145/3687920
[ "Lei Wang", "Xudong Wang", "Pengfei Wang", "Shuangmin Chen", "Shiqing Xin", "Jiong Guo", "Wenping Wang", "Changhe Tu" ]
Surface offsetting is a crucial operation in digital geometry processing and computer-aided design, where an offset is defined as an iso-value surface of the distance field. A challenge emerges as even smooth surfaces can exhibit sharp features in their offsets due to the non-differentiable characteristics of the under...
journal
10.1145/3687920
null
null
10.1145/3687970
Fluid Implicit Particles on Coadjoint Orbits
https://doi.org/10.1145/3687970
[ "Mohammad Sina Nabizadeh", "Ritoban Roy-Chowdhury", "Hang Yin", "Ravi Ramamoorthi", "Albert Chern" ]
We propose Coadjoint Orbit FLIP (CO-FLIP), a high order accurate, structure preserving fluid simulation method in the hybrid Eulerian-Lagrangian framework. We start with a Hamiltonian formulation of the incompressible Euler Equations, and then, using a local, explicit, and high order divergence free interpolation, cons...
journal
10.1145/3687970
2406.01936
title_snapshot
10.1145/3687986
A Mesh-based Simulation Framework using Automatic Code Generation
https://doi.org/10.1145/3687986
[ "Philipp Herholz", "Tuur Stuyck", "Ladislav Kavan" ]
Optimized parallel implementations on GPU or CPU have dramatically enhanced the fidelity, resolution and accuracy of physical simulations and mesh-based algorithms. However, attaining optimal performance requires expert knowledge and might demand complex code and memory layout optimizations. This adds to the fact that ...
journal
10.1145/3687986
null
null
10.1145/3687945
Still-Moving: Customized Video Generation without Customized Video Data
https://doi.org/10.1145/3687945
[ "Hila Chefer", "Shiran Zada", "Roni Paiss", "Ariel Ephrat", "Omer Tov", "Michael Rubinstein", "Lior Wolf", "Tali Dekel", "Tomer Michaeli", "Inbar Mosseri" ]
Customizing text-to-image (T2I) models has seen tremendous progress recently, particularly in areas such as personalization, stylization, and conditional generation. However, expanding this progress to video generation is still in its infancy, primarily due to the lack of customized video data. In this work, we introdu...
journal
10.1145/3687945
2407.08674
title_snapshot
10.1145/3687903
Generative Portrait Shadow Removal
https://doi.org/10.1145/3687903
[ "Jae Shin Yoon", "Zhixin Shu", "Mengwei Ren", "Cecilia Zhang", "Yannick Hold-Geoffroy", "Krishna kumar Singh", "He Zhang" ]
We introduce a high-fidelity portrait shadow removal model that can effectively enhance the image of a portrait by predicting its appearance under disturbing shadows and highlights. Portrait shadow removal is a highly ill-posed problem where multiple plausible solutions can be found based on a single image. For example...
journal
10.1145/3687903
2410.05525
title_snapshot
10.1145/3687965
Dense Server Design for Immersion Cooling
https://doi.org/10.1145/3687965
[ "Milin Kodnongbua", "Zachary Englhardt", "Ricardo Bianchini", "Rodrigo Fonseca", "Alvin Lebeck", "Daniel S. Berger", "Vikram Iyer", "Fiodar Kazhamiaka", "Adriana Schulz" ]
The growing demands for computational power in cloud computing have led to a significant increase in the deployment of high-performance servers. The growing power consumption of servers and the heat they produce is on track to outpace the capacity of conventional air cooling systems, necessitating more efficient coolin...
journal
10.1145/3687965
null
null
10.1145/3687944
Stochastic Normal Orientation for Point Clouds
https://doi.org/10.1145/3687944
[ "Guojin Huang", "Qing Fang", "Zheng Zhang", "Ligang Liu", "Xiao-Ming Fu" ]
We propose a simple yet effective method to orient normals for point clouds. Central to our approach is a novel optimization objective function defined from global and local perspectives. Globally, we introduce a signed uncertainty function that distinguishes the inside and outside of the underlying surface. Moreover, ...
journal
10.1145/3687944
null
null
10.1145/3687982
Volume Scattering Probability Guiding
https://doi.org/10.1145/3687982
[ "Kehan Xu", "Sebastian Herholz", "Marco Manzi", "Marios Papas", "Markus Gross" ]
Simulating the light transport of volumetric effects poses significant challenges and costs, especially in the presence of heterogeneous volumes. Generating stochastic paths for volume rendering involves multiple decisions, and previous works mainly focused on directional and distance sampling, where the volume scatter...
journal
10.1145/3687982
null
null
10.1145/3687934
3D Gaussian Ray Tracing: Fast Tracing of Particle Scenes
https://doi.org/10.1145/3687934
[ "Nicolas Moenne-Loccoz", "Ashkan Mirzaei", "Or Perel", "Riccardo de Lutio", "Janick Martinez Esturo", "Gavriel State", "Sanja Fidler", "Nicholas Sharp", "Zan Gojcic" ]
Particle-based representations of radiance fields such as 3D Gaussian Splatting have found great success for reconstructing and re-rendering of complex scenes. Most existing methods render particles via rasterization, projecting them to screen space tiles for processing in a sorted order. This work instead considers ra...
journal
10.1145/3687934
2407.07090
title_snapshot
10.1145/3687976
Learned Multi-aperture Color-coded Optics for Snapshot Hyperspectral Imaging
https://doi.org/10.1145/3687976
[ "Zheng Shi", "Xiong Dun", "Haoyu Wei", "Siyu Dong", "Zhanshan Wang", "Xinbin Cheng", "Felix Heide", "Yifan Peng" ]
Learned optics, which incorporate lightweight diffractive optics, coded-aperture modulation, and specialized image-processing neural networks, have recently garnered attention in the field of snapshot hyperspectral imaging (HSI). While conventional methods typically rely on a single lens element paired with an off-the-...
journal
10.1145/3687976
null
null
10.1145/3687943
Efficient Image-Space Shape Splatting for Monte Carlo Rendering
https://doi.org/10.1145/3687943
[ "Xiaochun Tong", "Toshiya Hachisuka" ]
A typical Monte Carlo rendering method contributes one light path only to a single pixel at a time. Reusing light paths across multiple pixels, however, can amortize the cost and improve the efficiency. The state of the art of path reuse is to employ shift mapping to reduce the cost of path reuse, while its computation...
journal
10.1145/3687943
null
null
10.1145/3687979
Procedural Material Generation with Reinforcement Learning
https://doi.org/10.1145/3687979
[ "Beichen Li", "Yiwei Hu", "Paul Guerrero", "Milos Hasan", "Liang Shi", "Valentin Deschaintre", "Wojciech Matusik" ]
Modern 3D content creation heavily relies on procedural assets. In particular, procedural materials are ubiquitous in the industry, but their manipulation remains challenging. Previous work [Hu et al. 2023] conditionally generates procedural graphs that match a given input image. However, the parameter generation step ...
journal
10.1145/3687979
null
null
10.1145/3687926
Robust Dual Gaussian Splatting for Immersive Human-centric Volumetric Videos
https://doi.org/10.1145/3687926
[ "Yuheng Jiang", "Zhehao Shen", "Yu Hong", "Chengcheng Guo", "Yize Wu", "Yingliang Zhang", "Jingyi Yu", "Lan Xu" ]
Volumetric video represents a transformative advancement in visual media, enabling users to freely navigate immersive virtual experiences and narrowing the gap between digital and real worlds. However, the need for extensive manual intervention to stabilize mesh sequences and the generation of excessively large assets ...
journal
10.1145/3687926
2409.08353
title_snapshot
10.1145/3687927
GaussianHeads: End-to-End Learning of Drivable Gaussian Head Avatars from Coarse-to-fine Representations
https://doi.org/10.1145/3687927
[ "Kartik Teotia", "Hyeongwoo Kim", "Pablo Garrido", "Marc Habermann", "Mohamed Elgharib", "Christian Theobalt" ]
Real-time rendering of human head avatars is a cornerstone of many computer graphics applications, such as augmented reality, video games, and films, to name a few. Recent approaches address this challenge with computationally efficient geometry primitives in a carefully calibrated multi-view setup. Albeit producing ph...
journal
10.1145/3687927
2409.11951
title_snapshot
10.1145/3687972
C^0 Generalized Coons Patches for High-order Cage-based Deformation
https://doi.org/10.1145/3687972
[ "Kaikai Qin", "Yunhao Zhou", "Chenhao Ying", "Yajuan Li", "Chongyang Deng" ]
Space deformations deform the ambient space and thus implicitly deform the embedded objects. Free-Form Deformation allows high-order deformation to the embedding space, yet the lattice may fail to conform to the object and involves many internal control points. Cage-based Deformation utilizes a cage space that conforms...
journal
10.1145/3687972
null
null
10.1145/3687967
Tencers: Tension-Constrained Elastic Rods
https://doi.org/10.1145/3687967
[ "Liliane-Joy Dandy", "Michele Vidulis", "Yingying Ren", "Mark Pauly" ]
We study ensembles of elastic rods that are tensioned by a small set of inextensible cables. The cables induce forces that deform the initially straight, but flexible rods into 3D space curves at equilibrium. Rods can be open or closed, knotted, and arranged in arbitrary topologies. We specifically focus on equilibrium...
journal
10.1145/3687967
null
null
10.1145/3687969
AR-DAVID: Augmented Reality Display Artifact Video Dataset
https://doi.org/10.1145/3687969
[ "Alexandre Chapiro", "Dongyeon Kim", "Yuta Asano", "Rafał K. Mantiuk" ]
The perception of visual content in optical-see-through augmented reality (AR) devices is affected by the light coming from the environment. This additional light interacts with the content in a non-trivial manner because of the illusion of transparency, different focal depths, and motion parallax. To investigate the i...
journal
10.1145/3687969
null
null
10.1145/3687761
ToonCrafter: Generative Cartoon Interpolation
https://doi.org/10.1145/3687761
[ "Jinbo Xing", "Hanyuan Liu", "Menghan Xia", "Yong Zhang", "Xintao Wang", "Ying Shan", "Tien-Tsin Wong" ]
We introduce ToonCrafter, a novel approach that transcends traditional correspondence-based cartoon video interpolation, paving the way for generative interpolation. Traditional methods, that implicitly assume linear motion and the absence of complicated phenomena like dis-occlusion, often struggle with the exaggerated...
journal
10.1145/3687761
2405.17933
title_snapshot
10.1145/3687933
Learning Based Toolpath Planner on Diverse Graphs for 3D Printing
https://doi.org/10.1145/3687933
[ "Yuming Huang", "Yuhu Guo", "Renbo Su", "Xingjian Han", "Junhao Ding", "Tianyu Zhang", "Tao Liu", "Weiming Wang", "Guoxin Fang", "Xu Song", "Emily Whiting", "Charlie Wang" ]
This paper presents a learning based planner for computing optimized 3D printing toolpaths on prescribed graphs, the challenges of which include the varying graph structures on different models and the large scale of nodes & edges on a graph. We adopt an on-the-fly strategy to tackle these challenges, formulating the p...
journal
10.1145/3687933
2408.09198
title_snapshot
10.1145/3687899
Computational Biomimetics of Winged Seeds
https://doi.org/10.1145/3687899
[ "Qiqin Le", "Jiamu Bu", "Yanke Qu", "Bo Zhu", "Tao Du" ]
We develop a computational pipeline to facilitate the biomimetic design of winged seeds. Our approach leverages 3D scans of natural winged seeds to construct a bio-inspired design space by interpolating them with geodesic coordinates in the 3D diffeomorphism group. We formulate aerodynamic design tasks with probabilist...
journal
10.1145/3687899
null
null
10.1145/3687911
Volumetric Homogenization for Knitwear Simulation
https://doi.org/10.1145/3687911
[ "Chun Yuan", "Haoyang Shi", "Lei Lan", "Yuxing Qiu", "Cem Yuksel", "Huamin Wang", "Chenfanfu Jiang", "Kui Wu", "Yin Yang" ]
This paper presents volumetric homogenization, a spatially varying homogenization scheme for knitwear simulation. We are motivated by the observation that macro-scale fabric dynamics is strongly correlated with its underlying knitting patterns. Therefore, homogenization towards a single material is less effective when ...
journal
10.1145/3687911
2405.12484
title_snapshot
10.1145/3687973
MVImgNet2.0: A Larger-scale Dataset of Multi-view Images
https://doi.org/10.1145/3687973
[ "Yushuang Wu", "Luyue Shi", "Haolin Liu", "Hongjie Liao", "Lingteng Qiu", "Weihao Yuan", "Xiaodong Gu", "Zilong Dong", "Shuguang Cui", "Xiaoguang Han" ]
MVImgNet is a large-scale dataset that contains multi-view images of ~220k real-world objects in 238 classes. As a counterpart of ImageNet, it introduces 3D visual signals via multi-view shooting, making a soft bridge between 2D and 3D vision. This paper constructs the MVImgNet2.0 dataset that expands MVImgNet into a t...
journal
10.1145/3687973
2412.01430
title_snapshot
10.1145/3687913
Differential Walk on Spheres
https://doi.org/10.1145/3687913
[ "Bailey Miller", "Rohan Sawhney", "Keenan Crane", "Ioannis Gkioulekas" ]
We introduce a Monte Carlo method for computing derivatives of the solution to a partial differential equation (PDE) with respect to problem parameters (such as domain geometry or boundary conditions). Derivatives can be evaluated at arbitrary points, without performing a global solve or constructing a volumetric grid ...
journal
10.1145/3687913
2405.12964
title_snapshot
10.1145/3687960
A Time-Dependent Inclusion-Based Method for Continuous Collision Detection between Parametric Surfaces
https://doi.org/10.1145/3687960
[ "Xuwen Chen", "Cheng Yu", "Xingyu Ni", "Mengyu Chu", "Bin Wang", "Baoquan Chen" ]
Continuous collision detection (CCD) between parametric surfaces is typically formulated as a five-dimensional constrained optimization problem. In the field of CAD and computer graphics, common approaches to solving this problem rely on linearization or sampling strategies. Alternatively, inclusion-based techniques de...
journal
10.1145/3687960
null
null
10.1145/3687947
All you need is rotation: Construction of developable strips
https://doi.org/10.1145/3687947
[ "Takashi Maekawa", "Felix Scholz" ]
We present a novel approach to generate developable strips along a space curve. The key idea of the new method is to use the rotation angle between the Frenet frame of the input space curve, and its Darboux frame of the curve on the resulting developable strip as a free design parameter, thereby revolving the strip aro...
journal
10.1145/3687947
null
null
10.1145/3687984
Colorful Diffuse Intrinsic Image Decomposition in the Wild
https://doi.org/10.1145/3687984
[ "Chris Careaga", "Yağız Aksoy" ]
Intrinsic image decomposition aims to separate the surface reflectance and the effects from the illumination given a single photograph. Due to the complexity of the problem, most prior works assume a single-color illumination and a Lambertian world, which limits their use in illumination-aware image editing application...
journal
10.1145/3687984
2409.13690
title_snapshot
10.1145/3687768
GroomCap: High-Fidelity Prior-Free Hair Capture
https://doi.org/10.1145/3687768
[ "Yuxiao Zhou", "Menglei Chai", "Daoye Wang", "Sebastian Winberg", "Erroll Wood", "Kripasindhu Sarkar", "Markus Gross", "Thabo Beeler" ]
Despite recent advances in multi-view hair reconstruction, achieving strand-level precision remains a significant challenge due to inherent limitations in existing capture pipelines. We introduce GroomCap , a novel multi-view hair capture method that reconstructs faithful and high-fidelity hair geometry without relying...
journal
10.1145/3687768
2409.00831
title_snapshot
10.1145/3687980
360-degree Human Video Generation with 4D Diffusion Transformer
https://doi.org/10.1145/3687980
[ "Ruizhi Shao", "Youxin Pang", "Zerong Zheng", "Jingxiang Sun", "Yebin Liu" ]
We present a novel approach for generating 360-degree high-quality, spatiotemporally coherent human videos from a single image. Our framework combines the strengths of diffusion transformers for capturing global correlations across viewpoints and time, and CNNs for accurate condition injection. The core is a hierarchic...
journal
10.1145/3687980
2405.17405
title_judge
10.1145/3687922
ParSEL: Parameterized Shape Editing with Language
https://doi.org/10.1145/3687922
[ "Aditya Ganeshan", "Ryan Huang", "Xianghao Xu", "R. Kenny Jones", "Daniel Ritchie" ]
The ability to edit 3D assets with natural language presents a compelling paradigm to aid in the democratization of 3D content creation. However, while natural language is often effective at communicating general intent, it is poorly suited for specifying exact manipulation. To address this gap, we introduce ParSEL, a ...
journal
10.1145/3687922
2405.20319
title_snapshot
10.1145/3687915
Stripe Embedding: Efficient Maps with Exact Numeric Computation
https://doi.org/10.1145/3687915
[ "Marco Livesu" ]
We consider the fundamental problem of injectively mapping a surface mesh with disk topology onto a boundary constrained convex domain. We start from the basic observation that mapping a strip of triangles onto a rectangular shape always yields a valid embedding, if the vertices that bound the strip are sorted coherent...
journal
10.1145/3687915
null
null
10.1145/3687895
Fast and Globally Consistent Normal Orientation based on the Winding Number Normal Consistency
https://doi.org/10.1145/3687895
[ "Siyou Lin", "Zuoqiang Shi", "Yebin Liu" ]
Estimating consistently oriented normals for point clouds enables a number of important applications in computer graphics such as surface reconstruction. While local normal estimation is possible with simple techniques like principal component analysis (PCA), orienting these normals to be globally consistent has been a...
journal
10.1145/3687895
2405.16634
title_snapshot
10.1145/3687983
Appearance Modeling of Iridescent Feathers with Diverse Nanostructures
https://doi.org/10.1145/3687983
[ "Yunchen Yu", "Andrea Weidlich", "Bruce Walter", "Eugene d'Eon", "Steve Marschner" ]
Many animals exhibit structural colors, which are often iridescent, meaning that the perceived colors change with illumination conditions and viewing perspectives. Biological iridescence is usually caused by multilayers or other periodic structures in animal tissues, which selectively reflect light of certain wavelengt...
journal
10.1145/3687983
null
null
10.1145/3687757
NU-NeRF: Neural Reconstruction of Nested Transparent Objects with Uncontrolled Capture Environment
https://doi.org/10.1145/3687757
[ "Jia-Mu Sun", "Tong Wu", "Ling-Qi Yan", "Lin Gao" ]
The geometry reconstruction of transparent objects is a challenging problem due to the highly noncontinuous and rapidly changing surface color caused by refraction. Existing methods rely on special capture devices, dedicated backgrounds, or ground-truth object masks to provide more priors and reduce the ambiguity of th...
journal
10.1145/3687757
null
null
10.1145/3687974
VOODOO XP: Expressive One-Shot Head Reenactment for VR Telepresence
https://doi.org/10.1145/3687974
[ "Phong Tran", "Egor Zakharov", "Long-Nhat Ho", "Adilbek Karmanov", "Ariana Bermudez Venegas", "McLean Goldwhite", "Aviral Agarwal", "Liwen Hu", "Anh Tran", "Hao Li" ]
We introduce VOODOO XP: a 3D-aware one-shot head reenactment method that can generate highly expressive facial expressions driven by an input video from a single 2D portrait. Our approach is real-time, view-consistent, and can be instantly used without calibration or fine-tuning. We demonstrate our solution in a monocu...
journal
10.1145/3687974
2405.16204
title_snapshot
10.1145/3687931
StyleTex: Style Image-Guided Texture Generation for 3D Models
https://doi.org/10.1145/3687931
[ "Zhiyu Xie", "Yuqing Zhang", "Xiangjun Tang", "Yiqian Wu", "Dehan Chen", "Gongsheng Li", "Xiaogang Jin" ]
Style-guided texture generation aims to generate a texture that is harmonious with both the style of the reference image and the geometry of the input mesh, given a reference style image and a 3D mesh with its text description. Although diffusion-based 3D texture generation methods, such as distillation sampling, have ...
journal
10.1145/3687931
2411.00399
title_snapshot
10.1145/3687758
MiNNIE: a Mixed Multigrid Method for Real-time Simulation of Nonlinear Near-Incompressible Elastics
https://doi.org/10.1145/3687758
[ "Liangwang Ruan", "Bin Wang", "Tiantian Liu", "Baoquan Chen" ]
We propose MiNNIE, a simple yet comprehensive framework for real-time simulation of nonlinear near-incompressible elastics. To avoid the common volumetric locking issues at high Poisson's ratios of linear finite element methods (FEM), we build MiNNIE upon a mixed FEM framework and further incorporate a pressure stabili...
journal
10.1145/3687758
null
null
10.1145/3687954
Enhancing the Aesthetics of 3D Shapes via Reference-based Editing
https://doi.org/10.1145/3687954
[ "Minchan Chen", "Manfred Lau" ]
While there have been previous works that explored methods to enhance the aesthetics of images, the automated beautification of 3D shapes has been limited to specific shapes such as 3D face models. In this paper, we introduce a framework to automatically enhance the aesthetics of general 3D shapes. Our approach employs...
journal
10.1145/3687954
null
null
10.1145/3687942
Approximation by Meshes with Spherical Faces
https://doi.org/10.1145/3687942
[ "Anthony Ramos-Cisneros", "Martin Kilian", "Alisher Aikyn", "Helmut Pottmann", "Christian Müller" ]
Meshes with spherical faces and circular edges are an attractive alternative to polyhedral meshes for applications in architecture and design. Approximation of a given surface by such a mesh needs to consider the visual appearance, approximation quality, the position and orientation of circular intersections of neighbo...
journal
10.1145/3687942
null
null
10.1145/3687912
Evaluating Visual Perception of Object Motion in Dynamic Environments
https://doi.org/10.1145/3687912
[ "Budmonde Duinkharjav", "Jenna Kang", "Gavin Stuart Peter Miller", "Chang Xiao", "Qi Sun" ]
Precisely understanding how objects move in 3D is essential for broad scenarios such as video editing, gaming, driving, and athletics. With screen-displayed computer graphics content, users only perceive limited cues to judge the object motion from the on-screen optical flow. Conventionally, visual perception is studie...
journal
10.1145/3687912
null
null
10.1145/3687762
LetsGo: Large-Scale Garage Modeling and Rendering via LiDAR-Assisted Gaussian Primitives
https://doi.org/10.1145/3687762
[ "Jiadi Cui", "Junming Cao", "Fuqiang Zhao", "Zhipeng He", "Yifan Chen", "Yuhui Zhong", "Lan Xu", "Yujiao Shi", "Yingliang Zhang", "Jingyi Yu" ]
Large garages are ubiquitous yet intricate scenes that present unique challenges due to their monotonous colors, repetitive patterns, reflective surfaces, and transparent vehicle glass. Conventional Structure from Motion (SfM) methods for camera pose estimation and 3D reconstruction often fail in these environments due...
journal
10.1145/3687762
2404.09748
title_snapshot
10.1145/3687940
Designing triangle meshes with controlled roughness
https://doi.org/10.1145/3687940
[ "Victor Ceballos Inza", "Panagiotis Fykouras", "Florian Rist", "Daniel Häseker", "Majid Hojjat", "Christian Müller", "Helmut Pottmann" ]
Motivated by the emergence of rough surfaces in various areas of design, we address the computational design of triangle meshes with controlled roughness. Our focus lies on small levels of roughness. There, roughness or smoothness mainly arises through the local positioning of the mesh edges and faces with respect to t...
journal
10.1145/3687940
null
null
10.1145/3687928
Chebyshev Parameterization for Woven Fabric Modeling
https://doi.org/10.1145/3687928
[ "Annika Öhri", "Aviv Segall", "Jing Ren", "Olga Sorkine-Hornung" ]
Distortion-minimizing surface parameterization is an essential step for computing 2D pieces necessary to fabricate a target 3D shape from flat material. Garment design and textile fabrication are a prominent application example. Common distortion measures quantify length, angle or area preservation in an isotropic mann...
journal
10.1145/3687928
null
null
10.1145/3687949
Neural Kernel Regression for Consistent Monte Carlo Denoising
https://doi.org/10.1145/3687949
[ "Qi Wang", "Pengju Qiao", "Yuchi Huo", "Shiji Zhai", "Zixuan Xie", "Wei Hua", "Hujun Bao", "Tao Liu" ]
Unbiased Monte Carlo path tracing that is extensively used in realistic rendering produces undesirable noise, especially with low samples per pixel (spp). Recently, several methods have coped with this problem by importing unbiased noisy images and auxiliary features to neural networks to either predict a fixed-sized k...
journal
10.1145/3687949
null
null
10.1145/3687756
Real-time Large-scale Deformation of Gaussian Splatting
https://doi.org/10.1145/3687756
[ "Lin Gao", "Jie Yang", "Bo-Tao Zhang", "Jia-Mu Sun", "Yu-Jie Yuan", "Hongbo Fu", "Yu-Kun Lai" ]
Neural implicit representations, including Neural Distance Fields and Neural Radiance Fields, have demonstrated significant capabilities for reconstructing surfaces with complicated geometry and topology, and generating novel views of a scene. Nevertheless, it is challenging for users to directly deform or manipulate t...
journal
10.1145/3687756
null
null
10.1145/3687932
CPoser: An Optimization-after-Parsing Approach for Text-to-Pose Generation Using Large Language Models
https://doi.org/10.1145/3687932
[ "Yumeng Li", "Bohong Chen", "Zhong Ren", "Yao-Xiang Ding", "Libin Liu", "Tianjia Shao", "Kun Zhou" ]
Text-to-pose generation is challenging due to the complexity of natural language and human posture semantics. Utilizing large language models (LLMs) for text-to-pose generation is appealing due to their strong capabilities in text understanding and reasoning. However, as LLMs are designed for general-purpose language p...
journal
10.1145/3687932
null
null
10.1145/3687898
Alignable Lamella Gridshells
https://doi.org/10.1145/3687898
[ "Davide Pellis" ]
Alignable lamella gridshells are 3D grid structures capable of collapsing into a planar strip. This feature significantly simplifies on-site assembly and also ensures compactness for efficient transport and storage. However, designing these structures still remains a challenge. This paper tackles the inverse design pro...
journal
10.1145/3687898
null
null
10.1145/3687910
LVCD: Reference-based Lineart Video Colorization with Diffusion Models
https://doi.org/10.1145/3687910
[ "Zhitong Huang", "Mohan Zhang", "Jing Liao" ]
We propose the first video diffusion framework for reference-based lineart video colorization. Unlike previous works that rely solely on image generative models to colorize lineart frame by frame, our approach leverages a large-scale pretrained video diffusion model to generate colorized animation videos. This approach...
journal
10.1145/3687910
2409.12960
title_snapshot
10.1145/3687993
Gaussian Surfel Splatting for Live Human Performance Capture
https://doi.org/10.1145/3687993
[ "Zheng Dong", "Ke Xu", "Yaoan Gao", "Hujun Bao", "Weiwei Xu", "Rynson W. H. Lau" ]
High-quality real-time rendering using user-affordable capture rigs is an essential property of human performance capture systems for real-world applications. However, state-of-the-art performance capture methods may not yield satisfactory rendering results under a very sparse (e.g., four) capture setting. Specifically...
journal
10.1145/3687993
null
null
10.1145/3687902
A Generalized Ray Formulation For Wave-Optical Light Transport
https://doi.org/10.1145/3687902
[ "Shlomi Steinberg", "Ravi Ramamoorthi", "Benedikt Bitterli", "Eugene d'Eon", "Ling-Qi Yan", "Matt Pharr" ]
Ray optics is the foundation of modern path tracing and sampling algorithms for computer graphics; crucially, it allows high-performance implementations based on ray tracing. However, many applications of interest in computer graphics and computational optics demand a more precise understanding of light: as waves. For ...
journal
10.1145/3687902
null
null
10.1145/3687908
A Cubic Barrier with Elasticity-Inclusive Dynamic Stiffness
https://doi.org/10.1145/3687908
[ "Ryoichi Ando" ]
This paper presents a new cubic barrier with elasticity-inclusive dynamic stiffness for penetration-free contact resolution and strain limiting. We show that our method enlarges tight strain-limiting gaps where logarithmic barriers struggle and enables highly scalable contact-rich simulation.
journal
10.1145/3687908
null
null
10.1145/3687770
mpcMech: Multi-Point Conjugation Mechanisms
https://doi.org/10.1145/3687770
[ "Ke Chen", "Siqi Li", "Peng Song", "Jianmin Zheng", "Ligang Liu" ]
A mechanism is an assembly of moving parts interconnected by joints to transfer an input motion to a desired output motion. Traditionally, to generate a complex motion, mechanisms are modeled by selecting and combining a number of mechanical parts with simple shapes such as links, gears, and cams. Combining multiple me...
journal
10.1145/3687770
null
null
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