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We learn a self-supervised, single-view 3D reconstruction model that predicts the 3D mesh shape, texture and camera pose of a target object with a collection of 2D images and silhouettes. The proposed method does not necessitate 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Xueting Li , Sifei Liu , Kihwan Kim , Shalini De Mello , Varun Jampani , Ming-Hsuan Yang , Jan Kautz

We propose a scalable neural network framework to reconstruct the 3D mesh of a human body from multi-view images, in the subspace of the SMPL model. Use of multi-view images can significantly reduce the projection ambiguity of the problem,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Junbang Liang , Ming C. Lin

3D scene reconstruction from multiple views is an important classical problem in computer vision. Deep learning based approaches have recently demonstrated impressive reconstruction results. When training such models, self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Arijit Mallick , Jörg Stückler , Hendrik Lensch

Multi-camera multi-object tracking (MCMOT) faces significant challenges in maintaining consistent object identities across varying camera perspectives, particularly when precise calibration and extensive annotations are required. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ruiqi Xian , Deep Patel , Iain Melvin , Sanjoy Kundu , Martin Renqiang Min , Dinesh Manocha

This paper tackles high-dynamic-range (HDR) image reconstruction given only a single low-dynamic-range (LDR) image as input. While the existing methods focus on minimizing the mean-squared-error (MSE) between the target and reconstructed…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Kenta Moriwaki , Ryota Yoshihashi , Rei Kawakami , Shaodi You , Takeshi Naemura

We present a method to reconstruct time-consistent human body models from monocular videos, focusing on extremely loose clothing or handheld object interactions. Prior work in human reconstruction is either limited to tight clothing with no…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Jeff Tan , Donglai Xiang , Shubham Tulsiani , Deva Ramanan , Gengshan Yang

This paper focuses on the problem of 3D human reconstruction from 2D evidence. Although this is an inherently ambiguous problem, the majority of recent works avoid the uncertainty modeling and typically regress a single estimate for a given…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Nikos Kolotouros , Georgios Pavlakos , Dinesh Jayaraman , Kostas Daniilidis

We present a learning based approach for multi-view stereopsis (MVS). While current deep MVS methods achieve impressive results, they crucially rely on ground-truth 3D training data, and acquisition of such precise 3D geometry for…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Tejas Khot , Shubham Agrawal , Shubham Tulsiani , Christoph Mertz , Simon Lucey , Martial Hebert

Previous works concerning single-view hand-held object reconstruction typically rely on supervision from 3D ground-truth models, which are hard to collect in real world. In contrast, readily accessible hand-object videos offer a promising…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Chenyangguang Zhang , Guanlong Jiao , Yan Di , Gu Wang , Ziqin Huang , Ruida Zhang , Fabian Manhardt , Bowen Fu , Federico Tombari , Xiangyang Ji

We introduce HumMorph, a novel generalized approach to free-viewpoint rendering of dynamic human bodies with explicit pose control. HumMorph renders a human actor in any specified pose given a few observed views (starting from just one) in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Jakub Zadrożny , Hakan Bilen

Human mesh recovery (HMR) from a single image is inherently ill-posed due to depth ambiguity and occlusions. Probabilistic methods have tried to solve this by generating numerous plausible 3D human mesh predictions, but they often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Wenhao Shen , Wanqi Yin , Xiaofeng Yang , Cheng Chen , Chaoyue Song , Zhongang Cai , Lei Yang , Hao Wang , Guosheng Lin

Reconstructing dynamic 3D garment surfaces with open boundaries from monocular videos is an important problem as it provides a practical and low-cost solution for clothes digitization. Recent neural rendering methods achieve high-quality…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Lingteng Qiu , Guanying Chen , Jiapeng Zhou , Mutian Xu , Junle Wang , Xiaoguang Han

Human mesh recovery (HMR) from a single RGB image is inherently ambiguous, as multiple 3D poses can correspond to the same 2D observation. Recent diffusion-based methods tackle this by generating various hypotheses, but often sacrifice…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Wenhao Shen , Hao Wang , Wanqi Yin , Fayao Liu , Xulei Yang , Chao Liang , Zhongang Cai , Guosheng Lin

Reconstructing biomechanically realistic 3D human motion - recovering both kinematics (motion) and kinetics (forces) - is a critical challenge. While marker-based systems are lab-bound and slow, popular monocular methods use oversimplified,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Farnoosh Koleini , Hongfei Xue , Ahmed Helmy , Pu Wang

Animating virtual avatars with free-view control is crucial for various applications like virtual reality and digital entertainment. Previous studies have attempted to utilize the representation power of the neural radiance field (NeRF) to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Zhengming Yu , Wei Cheng , Xian Liu , Wayne Wu , Kwan-Yee Lin

Remarkable progress has been made in 3D reconstruction of rigid structures from a video or a collection of images. However, it is still challenging to reconstruct nonrigid structures from RGB inputs, due to its under-constrained nature.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Gengshan Yang , Deqing Sun , Varun Jampani , Daniel Vlasic , Forrester Cole , Huiwen Chang , Deva Ramanan , William T. Freeman , Ce Liu

Digital cameras can only capture a limited range of real-world scenes' luminance, producing images with saturated pixels. Existing single image high dynamic range (HDR) reconstruction methods attempt to expand the range of luminance, but…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Marcel Santana Santos , Tsang Ing Ren , Nima Khademi Kalantari

With the popularity of monocular videos generated by video sharing and live broadcasting applications, reconstructing and editing dynamic scenes in stationary monocular cameras has become a special but anticipated technology. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Weixing Xie , Xiao Dong , Yong Yang , Qiqin Lin , Jingze Chen , Junfeng Yao , Xiaohu Guo

Combining multiple modalities carrying complementary information through multimodal learning (MML) has shown considerable benefits for diagnosing multiple pathologies. However, the robustness of multimodal models to missing modalities is…

Machine Learning · Computer Science 2024-07-31 Hava Chaptoukaev , Vincenzo Marcianó , Francesco Galati , Maria A. Zuluaga

Monocular 3D hand mesh recovery is challenging due to high degrees of freedom of hands, 2D-to-3D ambiguity and self-occlusion. Most existing methods are either inefficient or less straightforward for predicting the position of 3D mesh…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Yihong Lin , Xianjia Wu , Xilai Wang , Jianqiao Hu , Songju Lei , Xiandong Li , Wenxiong Kang