activity
20162023
most citedL2G Auto-encoder: Understanding Point Clouds by Local-to-Global Reconstruction with Hierarchical Self-Attention

74 citations · 634 across the 41 of their papers we have counts for

collaborators

44 papers

cs.CV2023★ 7 cited

Inverse Global Illumination using a Neural Radiometric Prior

Saeed Hadadan, Geng Lin, Jan Novák +2

Inverse rendering methods that account for global illumination are becoming more popular, but current methods require evaluating and automatically differentiating millions of path…

cs.CV2023★ 4 cited

PAniC-3D: Stylized Single-view 3D Reconstruction from Portraits of Anime Characters

Shuhong Chen, Kevin Zhang, Yichun Shi +7

We propose PAniC-3D, a system to reconstruct stylized 3D character heads directly from illustrated (p)ortraits of (ani)me (c)haracters. Our anime-style domain poses unique challeng…

cs.CV2022★ 5 cited

Surface Reconstruction from Point Clouds by Learning Predictive Context Priors

Baorui Ma, Yu-Shen Liu, Matthias Zwicker +1

Surface reconstruction from point clouds is vital for 3D computer vision. State-of-the-art methods leverage large datasets to first learn local context priors that are represented…

cs.GR2022★ 3 cited

Differentiable Neural Radiosity

Saeed Hadadan, Matthias Zwicker

We introduce Differentiable Neural Radiosity, a novel method of representing the solution of the differential rendering equation using a neural network. Inspired by neural radiosit…

cs.CV2021

HVTR: Hybrid Volumetric-Textural Rendering for Human Avatars

Tao Hu, Tao Yu, Zerong Zheng +3

We propose a novel neural rendering pipeline, Hybrid Volumetric-Textural Rendering (HVTR), which synthesizes virtual human avatars from arbitrary poses efficiently and at high qual…

cs.CV2021

EgoRenderer: Rendering Human Avatars from Egocentric Camera Images

Tao Hu, Kripasindhu Sarkar, Lingjie Liu +2

We present EgoRenderer, a system for rendering full-body neural avatars of a person captured by a wearable, egocentric fisheye camera that is mounted on a cap or a VR headset. Our…

cs.CV2021

PatchGame: Learning to Signal Mid-level Patches in Referential Games

Kamal Gupta, Gowthami Somepalli, Anubhav Gupta +3

We study a referential game (a type of signaling game) where two agents communicate with each other via a discrete bottleneck to achieve a common goal. In our referential game, the…

cs.CV2021

Improving the Perceptual Quality of 2D Animation Interpolation

Shuhong Chen, Matthias Zwicker

Traditional 2D animation is labor-intensive, often requiring animators to manually draw twelve illustrations per second of movement. While automatic frame interpolation may ease th…

cs.CV2021

Hierarchical View Predictor: Unsupervised 3D Global Feature Learning through Hierarchical Prediction among Unordered Views

Zhizhong Han, Xiyang Wang, Yu-Shen Liu +1

Unsupervised learning of global features for 3D shape analysis is an important research challenge because it avoids manual effort for supervised information collection. In this pap…

cs.CV2021

Transfer Learning for Pose Estimation of Illustrated Characters

Shuhong Chen, Matthias Zwicker

Human pose information is a critical component in many downstream image processing tasks, such as activity recognition and motion tracking. Likewise, a pose estimator for the illus…

cs.GR2021★ 47 cited

Neural Radiosity

Saeed Hadadan, Shuhong Chen, Matthias Zwicker

We introduce Neural Radiosity, an algorithm to solve the rendering equation by minimizing the norm of its residual similar as in traditional radiosity techniques. Traditional basis…

cs.GR2020★ 11 cited

Continuous Curve Textures

Peihan Tu, Li-Yi Wei, Koji Yatani +2

Repetitive patterns are ubiquitous in natural and human-made objects, and can be created with a variety of tools and methods. Manual authoring provides unmatched degree of freedom…

cs.CV2020★ 46 cited

Neural-Pull: Learning Signed Distance Functions from Point Clouds by Learning to Pull Space onto Surfaces

Baorui Ma, Zhizhong Han, Yu-Shen Liu +1

Reconstructing continuous surfaces from 3D point clouds is a fundamental operation in 3D geometry processing. Several recent state-of-the-art methods address this problem using neu…

cs.CV2020

Improved Modeling of 3D Shapes with Multi-view Depth Maps

Kamal Gupta, Susmija Jabbireddy, Ketul Shah +2

We present a simple yet effective general-purpose framework for modeling 3D shapes by leveraging recent advances in 2D image generation using CNNs. Using just a single depth image…

cs.CV2020★ 17 cited

DRWR: A Differentiable Renderer without Rendering for Unsupervised 3D Structure Learning from Silhouette Images

Zhizhong Han, Chao Chen, Yu-Shen Liu +1

Differentiable renderers have been used successfully for unsupervised 3D structure learning from 2D images because they can bridge the gap between 3D and 2D. To optimize 3D shape p…

cs.CV2020★ 63 cited

Fine-Grained 3D Shape Classification with Hierarchical Part-View Attentions

Xinhai Liu, Zhizhong Han, Yu-Shen Liu +1

Fine-grained 3D shape classification is important for shape understanding and analysis, which poses a challenging research problem. However, the studies on the fine-grained 3D shap…

cs.CV2020★ 1 cited

LRC-Net: Learning Discriminative Features on Point Clouds by Encoding Local Region Contexts

Xinhai Liu, Zhizhong Han, Fangzhou Hong +2

Learning discriminative feature directly on point clouds is still challenging in the understanding of 3D shapes. Recent methods usually partition point clouds into local region set…

cs.CV2020★ 3 cited

SeqXY2SeqZ: Structure Learning for 3D Shapes by Sequentially Predicting 1D Occupancy Segments From 2D Coordinates

Zhizhong Han, Guanhui Qiao, Yu-Shen Liu +1

Structure learning for 3D shapes is vital for 3D computer vision. State-of-the-art methods show promising results by representing shapes using implicit functions in 3D that are lea…

cs.HC2020★ 24 cited

ORCSolver: An Efficient Solver for Adaptive GUI Layout with OR-Constraints

Yue Jiang, Wolfgang Stuerzlinger, Matthias Zwicker +1

OR-constrained (ORC) graphical user interface layouts unify conventional constraint-based layouts with flow layouts, which enables the definition of flexible layouts that adapt to…

cs.LG2020★ 4 cited

Learning Generative Models using Denoising Density Estimators

Siavash A. Bigdeli, Geng Lin, Tiziano Portenier +2

Learning probabilistic models that can estimate the density of a given set of samples, and generate samples from that density, is one of the fundamental challenges in unsupervised…

cs.CV2019★ 1 cited

Learning to Generate Dense Point Clouds with Textures on Multiple Categories

Tao Hu, Geng Lin, Zhizhong Han +1

3D reconstruction from images is a core problem in computer vision. With recent advances in deep learning, it has become possible to recover plausible 3D shapes even from single RG…

cs.CV2019★ 11 cited

SDFDiff: Differentiable Rendering of Signed Distance Fields for 3D Shape Optimization

Yue Jiang, Dantong Ji, Zhizhong Han +1

We propose SDFDiff, a novel approach for image-based shape optimization using differentiable rendering of 3D shapes represented by signed distance functions (SDFs). Compared to oth…

cs.CV2019

3D Shape Completion with Multi-view Consistent Inference

Tao Hu, Zhizhong Han, Matthias Zwicker

3D shape completion is important to enable machines to perceive the complete geometry of objects from partial observations. To address this problem, view-based methods have been pr…

cs.CV2019★ 74 cited

L2G Auto-encoder: Understanding Point Clouds by Local-to-Global Reconstruction with Hierarchical Self-Attention

Xinhai Liu, Zhizhong Han, Xin Wen +2

Auto-encoder is an important architecture to understand point clouds in an encoding and decoding procedure of self reconstruction. Current auto-encoder mainly focuses on the learni…