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Spine biomechanics is at a transformation with the advent and integration of machine learning and computer vision technologies. These novel techniques facilitate the estimation of 3D body shapes, anthropometrics, and kinematics from as…

Modeling and prediction of human motion dynamics has long been a challenging problem in computer vision, and most existing methods rely on the end-to-end supervised training of various architectures of recurrent neural networks. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Borui Wang , Ehsan Adeli , Hsu-kuang Chiu , De-An Huang , Juan Carlos Niebles

In this paper, we introduce a method to automatically reconstruct the 3D motion of a person interacting with an object from a single RGB video. Our method estimates the 3D poses of the person and the object, contact positions, and forces…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Zongmian Li , Jiri Sedlar , Justin Carpentier , Ivan Laptev , Nicolas Mansard , Josef Sivic

3D human pose estimation from a single image is a challenging problem, especially for in-the-wild settings due to the lack of 3D annotated data. We propose two anatomically inspired loss functions and use them with a weakly-supervised…

Computer Vision and Pattern Recognition · Computer Science 2018-07-05 Rishabh Dabral , Anurag Mundhada , Uday Kusupati , Safeer Afaque , Abhishek Sharma , Arjun Jain

Human mesh recovery can be approached using either regression-based or optimization-based methods. Regression models achieve high pose accuracy but struggle with model-to-image alignment due to the lack of explicit 2D-3D correspondences. In…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Chongyang Xu , Buzhen Huang , Chengfang Zhang , Ziliang Feng , Yangang Wang

We present a novel method for recovering the absolute pose and shape of a human in a pre-scanned scene given a single image. Unlike previous methods that perform sceneaware mesh optimization, we propose to first estimate absolute position…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Zehong Shen , Zhi Cen , Sida Peng , Qing Shuai , Hujun Bao , Xiaowei Zhou

Humans intuitively recognize objects' physical properties and predict their motion, even when the objects are engaged in complicated interactions. The abilities to perform physical reasoning and to adapt to new environments, while intrinsic…

Machine Learning · Computer Science 2020-06-30 Yunzhu Li , Toru Lin , Kexin Yi , Daniel M. Bear , Daniel L. K. Yamins , Jiajun Wu , Joshua B. Tenenbaum , Antonio Torralba

Appearance of dressed humans undergoes a complex geometric transformation induced not only by the static pose but also by its dynamics, i.e., there exists a number of cloth geometric configurations given a pose depending on the way it has…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Jae Shin Yoon , Duygu Ceylan , Tuanfeng Y. Wang , Jingwan Lu , Jimei Yang , Zhixin Shu , Hyun Soo Park

We present two novel solutions for multi-view 3D human pose estimation based on new learnable triangulation methods that combine 3D information from multiple 2D views. The first (baseline) solution is a basic differentiable algebraic…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Karim Iskakov , Egor Burkov , Victor Lempitsky , Yury Malkov

Aligning multiple modalities in a latent space, such as images and texts, has shown to produce powerful semantic visual representations, fueling tasks like image captioning, text-to-image generation, or image grounding. In the context of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Ginger Delmas , Philippe Weinzaepfel , Francesc Moreno-Noguer , Grégory Rogez

Receptive field profiles registered by cell recordings have shown that mammalian vision has developed receptive fields tuned to different sizes and orientations in the image domain as well as to different image velocities in space-time.…

Neurons and Cognition · Quantitative Biology 2014-04-09 Tony Lindeberg

Recently, we put forwarded a redox molecular hypothesis involving the natural biophysical substrate of visual perception and imagery. Here, we explicitly propose that the feedback and feedforward iterative operation processes can be…

Neurons and Cognition · Quantitative Biology 2011-03-31 I. Bokkon , V. Salari , J. Tuszynski

Skeleton-based human action recognition has been drawing more interest recently due to its low sensitivity to appearance changes and the accessibility of more skeleton data. However, even the 3D skeletons captured in practice are still…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Cunling Bian , Wei Feng , Fanbo Meng , Song Wang

We present a new trainable system for physically plausible markerless 3D human motion capture, which achieves state-of-the-art results in a broad range of challenging scenarios. Unlike most neural methods for human motion capture, our…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Soshi Shimada , Vladislav Golyanik , Weipeng Xu , Patrick Pérez , Christian Theobalt

Recent advances in image-based human pose estimation make it possible to capture 3D human motion from a single RGB video. However, the inherent depth ambiguity and self-occlusion in a single view prohibit the recovery of as high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Junting Dong , Qing Shuai , Yuanqing Zhang , Xian Liu , Xiaowei Zhou , Hujun Bao

Representing visual signals with implicit coordinate-based neural networks, as an effective replacement of the traditional discrete signal representation, has gained considerable popularity in computer vision and graphics. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Xin Huang , Qi Zhang , Ying Feng , Hongdong Li , Qing Wang

Human interaction recognition is a challenging problem in computer vision and has been researched over the years due to its important applications. With the development of deep models for the human pose estimation problem, this work aims to…

Computer Vision and Pattern Recognition · Computer Science 2016-12-14 Marcel Sheeny de Moraes , Sankha Mukherjee , Neil M Robertson

Humans can naturally and effectively find salient regions in complex scenes. Motivated by this observation, attention mechanisms were introduced into computer vision with the aim of imitating this aspect of the human visual system. Such an…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Meng-Hao Guo , Tian-Xing Xu , Jiang-Jiang Liu , Zheng-Ning Liu , Peng-Tao Jiang , Tai-Jiang Mu , Song-Hai Zhang , Ralph R. Martin , Ming-Ming Cheng , Shi-Min Hu

The human visual system is able to recognize objects despite transformations that can drastically alter their appearance. To this end, much effort has been devoted to the invariance properties of recognition systems. Invariance can be…

Machine Learning · Computer Science 2014-12-08 Weiguang Ding , Graham W. Taylor

From an image of a person, we can easily infer the natural 3D pose and shape of the person even if ambiguity exists. This is because we have a mental model that allows us to imagine a person's appearance at different viewing directions from…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Hanbyel Cho , Yooshin Cho , Jaesung Ahn , Junmo Kim