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We focus on the challenging problem of efficient mouse 3D pose estimation based on static images, and especially single depth images. We introduce an approach to discriminatively train the split nodes of trees in random forest to improve…

Computer Vision and Pattern Recognition · Computer Science 2015-11-25 Ashwin Nanjappa , Li Cheng , Wei Gao , Chi Xu , Adam Claridge-Chang , Zoe Bichler

A key challenge in the task of human pose and shape estimation is occlusion, including self-occlusions, object-human occlusions, and inter-person occlusions. The lack of diverse and accurate pose and shape training data becomes a major…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Kaibing Yang , Renshu Gu , Maoyu Wang , Masahiro Toyoura , Gang Xu

3D models of manufactured objects are important for populating virtual worlds and for synthetic data generation for vision and robotics. To be most useful, such objects should be articulated: their parts should move when interacted with.…

Graphics · Computer Science 2022-06-20 Xianghao Xu , Yifan Ruan , Srinath Sridhar , Daniel Ritchie

We present ANISE, a method that reconstructs a 3D~shape from partial observations (images or sparse point clouds) using a part-aware neural implicit shape representation. The shape is formulated as an assembly of neural implicit functions,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Dmitry Petrov , Matheus Gadelha , Radomir Mech , Evangelos Kalogerakis

Pose-driven full-body avatars built on neural rendering produce high-quality novel views of a captured subject. Yet loose clothing and other dynamic elements deform in ways pose alone cannot explain: the same pose can correspond to many…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Shichong Peng , Chengxiang Yin , Fei Jiang , Zhongshi Jiang , Lingchen Yang , Qingyang Tan , Amin Jourabloo , Jason Saragih , Ke Li , Christian Häne

We introduce a new method for learning a generative model of articulated 3D animal motions from raw, unlabeled online videos. Unlike existing approaches for 3D motion synthesis, our model requires no pose annotations or parametric shape…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Keqiang Sun , Dor Litvak , Yunzhi Zhang , Hongsheng Li , Jiajun Wu , Shangzhe Wu

Estimating 3D human pose and shape from 2D images is a crucial yet challenging task. While prior methods with model-based representations can perform reasonably well on whole-body images, they often fail when parts of the body are occluded…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Chun-Han Yao , Jimei Yang , Duygu Ceylan , Yi Zhou , Yang Zhou , Ming-Hsuan Yang

We propose a novel sparse constrained formulation and from it derive a real-time optimization method for 3D human pose and shape estimation. Our optimization method, SCOPE (Sparse Constrained Optimization for 3D human Pose and shapE…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Taosha Fan , Kalyan Vasudev Alwala , Donglai Xiang , Weipeng Xu , Todd Murphey , Mustafa Mukadam

Single-view 3D shape retrieval is a fundamental yet challenging task that is increasingly important with the growth of available 3D data. Existing approaches largely fall into two categories: those using contrastive learning to map point…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Jiaxin Shi , Guofeng Zhang , Wufei Ma , Naifu Liang , Adam Kortylewski , Alan Yuille

In this paper, we define and study a new Cloth2Body problem which has a goal of generating 3D human body meshes from a 2D clothing image. Unlike the existing human mesh recovery problem, Cloth2Body needs to address new and emerging…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Lu Dai , Liqian Ma , Shenhan Qian , Hao Liu , Ziwei Liu , Hui Xiong

Reconstructing high-quality 3D objects from sparse, partial observations from a single view is of crucial importance for various applications in computer vision, robotics, and graphics. While recent neural implicit modeling methods show…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Shivam Duggal , Zihao Wang , Wei-Chiu Ma , Sivabalan Manivasagam , Justin Liang , Shenlong Wang , Raquel Urtasun

Recovering expressive humans from images is essential for understanding human behavior. Methods that estimate 3D bodies, faces, or hands have progressed significantly, yet separately. Face methods recover accurate 3D shape and geometric…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Yao Feng , Vasileios Choutas , Timo Bolkart , Dimitrios Tzionas , Michael J. Black

This research proposes a novel adjustable algorithm for reconstructing 3D body shapes from front and side silhouettes. Most recent silhouette-based approaches use a deep neural network trained by silhouettes and key points to estimate the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Aref Hemati , Azam Bastanfard

Despite progress in human motion capture, existing multi-view methods often face challenges in estimating the 3D pose and shape of multiple closely interacting people. This difficulty arises from reliance on accurate 2D joint estimations,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Feichi Lu , Zijian Dong , Jie Song , Otmar Hilliges

Automated capture of animal pose is transforming how we study neuroscience and social behavior. Movements carry important social cues, but current methods are not able to robustly estimate pose and shape of animals, particularly for social…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Marc Badger , Yufu Wang , Adarsh Modh , Ammon Perkes , Nikos Kolotouros , Bernd G. Pfrommer , Marc F. Schmidt , Kostas Daniilidis

We introduce SAOR, a novel approach for estimating the 3D shape, texture, and viewpoint of an articulated object from a single image captured in the wild. Unlike prior approaches that rely on pre-defined category-specific 3D templates or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Mehmet Aygün , Oisin Mac Aodha

Our work aims to reconstruct hand-held objects given a single RGB image. In contrast to prior works that typically assume known 3D templates and reduce the problem to 3D pose estimation, our work reconstructs generic hand-held object…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Yufei Ye , Abhinav Gupta , Shubham Tulsiani

Recent advances in 3D human shape reconstruction from single images have shown impressive results, leveraging on deep networks that model the so-called implicit function to learn the occupancy status of arbitrarily dense 3D points in space.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Nicolas Ugrinovic , Albert Pumarola , Alberto Sanfeliu , Francesc Moreno-Noguer

We present a novel approach for estimating the 2D pose of an articulated object with an application to automated video analysis of small laboratory animals. We have found that deformable part models developed for humans, exemplified by the…

Computer Vision and Pattern Recognition · Computer Science 2018-06-29 Yuliang Guo , Lakshmi Narasimhan Govindarajan , Benjamin Kimia , Thomas Serre

Reconstructing the 3D geometry, pose, and motion of animals is a long-standing problem, which has a wide range of applications, from biology, livestock management, and animal conservation and welfare to content creation in digital…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Ziqi Li , Abderraouf Amrani , Shri Rai , Hamid Laga