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Computer representations of three-dimensional (3D) geometries are crucial for simulating systems and processes in engineering and science. In medicine, and more specifically, biomechanics and orthopaedics, obtaining and using 3D geometries…

Quantitative Methods · Quantitative Biology 2024-04-05 Thor E. Andreassen , Donald R. Hume , Landon D. Hamilton , Sean E. Higinbotham , Kevin B. Shelburne

Large transformer models are proving to be a powerful tool for 3D vision and novel view synthesis. However, the standard Transformer's well-known quadratic complexity makes it difficult to scale these methods to large scenes. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Tooba Imtiaz , Lucy Chai , Kathryn Heal , Xuan Luo , Jungyeon Park , Jennifer Dy , John Flynn

Despite the great progress in 3D human pose estimation from videos, it is still an open problem to take full advantage of a redundant 2D pose sequence to learn representative representations for generating one 3D pose. To this end, we…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Wenhao Li , Hong Liu , Runwei Ding , Mengyuan Liu , Pichao Wang , Wenming Yang

Retrieval-based place recognition is an efficient and effective solution for re-localization within a pre-built map, or global data association for Simultaneous Localization and Mapping (SLAM). The accuracy of such an approach is heavily…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Kavisha Vidanapathirana , Milad Ramezani , Peyman Moghadam , Sridha Sridharan , Clinton Fookes

To succeed in the real world, robots must deal with situations that differ from those seen during training. Those out-of-distribution situations for legged robot mainly include challenging dynamic gaps and perceptual gaps. Here we study the…

Robotics · Computer Science 2025-07-08 Lingxiao Guo , Yue Gao

Reconstructing the surfaces of deformable objects from correspondences between a 3D template and a 2D image is well studied under Shape-from-Template (SfT) methods; however, existing approaches break down when topological changes accompany…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Kevin Manogue , Tomasz M Schang , Dilara Kuş , Jonas Müller , Stefan Zachow , Agniva Sengupta

Recently, AutoRegressive (AR) models for the whole image generation empowered by transformers have achieved comparable or even better performance to Generative Adversarial Networks (GANs). Unfortunately, directly applying such AR models to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Chenjie Cao , Yuxin Hong , Xiang Li , Chengrong Wang , Chengming Xu , XiangYang Xue , Yanwei Fu

In this paper, a feature boosting network is proposed for estimating 3D hand pose and 3D body pose from a single RGB image. In this method, the features learned by the convolutional layers are boosted with a new long short-term…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Jun Liu , Henghui Ding , Amir Shahroudy , Ling-Yu Duan , Xudong Jiang , Gang Wang , Alex C. Kot

We introduce HuMoR: a 3D Human Motion Model for Robust Estimation of temporal pose and shape. Though substantial progress has been made in estimating 3D human motion and shape from dynamic observations, recovering plausible pose sequences…

Computer Vision and Pattern Recognition · Computer Science 2021-08-19 Davis Rempe , Tolga Birdal , Aaron Hertzmann , Jimei Yang , Srinath Sridhar , Leonidas J. Guibas

Human poses that are rare or unseen in a training set are challenging for a network to predict. Similar to the long-tailed distribution problem in visual recognition, the small number of examples for such poses limits the ability of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Ailing Zeng , Xiao Sun , Fuyang Huang , Minhao Liu , Qiang Xu , Stephen Lin

Deep neural networks have reached human-level performance on many computer vision tasks. However, the objectives used to train these networks enforce only that similar images are embedded at similar locations in the representation space,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Lukas Muttenthaler , Lorenz Linhardt , Jonas Dippel , Robert A. Vandermeulen , Katherine Hermann , Andrew K. Lampinen , Simon Kornblith

Model-based human pose estimation is currently approached through two different paradigms. Optimization-based methods fit a parametric body model to 2D observations in an iterative manner, leading to accurate image-model alignments, but are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Nikos Kolotouros , Georgios Pavlakos , Michael J. Black , Kostas Daniilidis

Video-based person re-identification aims to match pedestrians from video sequences across non-overlapping camera views. The key factor for video person re-identification is to effectively exploit both spatial and temporal clues from video…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Jiawei Liu , Zheng-Jun Zha , Wei Wu , Kecheng Zheng , Qibin Sun

We introduce a new approach for robotic manipulation tasks in human settings that necessitates understanding the 3D geometric connections between a pair of objects. Conventional end-to-end training approaches, which convert pixel…

Robotics · Computer Science 2024-05-22 Xuxin Cheng , Heng Yu , Harry Zhang , Wenxing Deng

In recent years, 2D human pose estimation has made significant progress on public benchmarks. However, many of these approaches face challenges of less applicability in the industrial community due to the large number of parametric…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Haonan Wang , Jie Liu , Jie Tang , Gangshan Wu , Bo Xu , Yanbing Chou , Yong Wang

Online test-time adaptation for 3D human pose estimation is used for video streams that differ from training data. Ground truth 2D poses are used for adaptation, but only estimated 2D poses are available in practice. This paper addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Qiuxia Lin , Kerui Gu , Linlin Yang , Angela Yao

Gait recognition is an important biometric for human identification at a distance, particularly under low-resolution or unconstrained environments. Current works typically focus on either 2D representations (e.g., silhouettes and skeletons)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Zhao-Yang Wang , Zhimin Shao , Anirudh Nanduri , Basudha Pal , Laura McDaniel , Jieneng Chen , Rama Chellappa

3D human pose estimation involves reconstructing the human skeleton by detecting the body joints. Accurate and efficient solutions are required for several real-world applications including animation, human-robot interaction, surveillance,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Ana Filipa Rodrigues Nogueira , Hélder P. Oliveira , Luís F. Teixeira

3D Gaussian Splatting (3DGS) has made significant strides in scene representation and neural rendering, with intense efforts focused on adapting it for dynamic scenes. Despite delivering remarkable rendering quality and speed, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Sangwoon Kwak , Joonsoo Kim , Jun Young Jeong , Won-Sik Cheong , Jihyong Oh , Munchurl Kim

Monocular 3D human pose estimation poses significant challenges due to the inherent depth ambiguities that arise during the reprojection process from 2D to 3D. Conventional approaches that rely on estimating an over-fit projection matrix…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Junkun Jiang , Jie Chen