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Conventional 3D human pose estimation relies on first detecting 2D body keypoints and then solving the 2D to 3D correspondence problem.Despite the promising results, this learning paradigm is highly dependent on the quality of the 2D…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Jue Wang , Shaoli Huang , Xinchao Wang , Dacheng Tao

We introduce a technique for 3D human keypoint estimation that directly models the notion of spatial uncertainty of a keypoint. Our technique employs a principled approach to modelling spatial uncertainty inspired from techniques in robust…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Francis Williams , Or Litany , Avneesh Sud , Kevin Swersky , Andrea Tagliasacchi

Current unsupervised 2D-3D human pose estimation (HPE) methods do not work in multi-person scenarios due to perspective ambiguity in monocular images. Therefore, we present one of the first studies investigating the feasibility of…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Peter Hardy , Hansung Kim

Estimating 3d human pose from monocular images is a challenging problem due to the variety and complexity of human poses and the inherent ambiguity in recovering depth from the single view. Recent deep learning based methods show promising…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Sandika Biswas , Sanjana Sinha , Kavya Gupta , Brojeshwar Bhowmick

Existing 3D human pose estimation methods often suffer in performance, when applied to cross-scenario inference, due to domain shifts in characteristics such as camera viewpoint, position, posture, and body size. Among these factors, camera…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Jingjing Liu , Zhiyong Wang , Xinyu Fan , Amirhossein Dadashzadeh , Honghai Liu , Majid Mirmehdi

We study the problem of estimating 3D shape and pose of an object in terms of keypoints, from a single 2D image. The shape and pose are learned directly from images collected by categories and their partial 2D keypoint annotations.. In this…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Yigit Baran Can , Alexander Liniger , Danda Pani Paudel , Luc Van Gool

Recent studies have shown remarkable advances in 3D human pose estimation from monocular images, with the help of large-scale in-door 3D datasets and sophisticated network architectures. However, the generalizability to different…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Xipeng Chen , Kwan-Yee Lin , Wentao Liu , Chen Qian , Xiaogang Wang , Liang Lin

Category-level 3D pose estimation is a fundamentally important problem in computer vision and robotics, e.g. for embodied agents or to train 3D generative models. However, so far methods that estimate the category-level object pose require…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Leonhard Sommer , Artur Jesslen , Eddy Ilg , Adam Kortylewski

Current state-of-the-art methods cast monocular 3D human pose estimation as a learning problem by training neural networks on large data sets of images and corresponding skeleton poses. In contrast, we propose an approach that can exploit…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Simon Jenni , Paolo Favaro

Deep learning-based 3D human pose estimation performs best when trained on large amounts of labeled data, making combined learning from many datasets an important research direction. One obstacle to this endeavor are the different skeleton…

计算机视觉与模式识别 · 计算机科学 2023-01-02 István Sárándi , Alexander Hermans , Bastian Leibe

We propose KeypointGAN, a new method for recognizing the pose of objects from a single image that for learning uses only unlabelled videos and a weak empirical prior on the object poses. Video frames differ primarily in the pose of the…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Tomas Jakab , Ankush Gupta , Hakan Bilen , Andrea Vedaldi

Detecting 3D keypoints with semantic consistency is widely used in many scenarios such as pose estimation, shape registration and robotics. Currently, most unsupervised 3D keypoint detection methods focus on the rigid-body objects. However,…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Chengkai Hou , Zhengrong Xue , Bingyang Zhou , Jinghan Ke , Lin Shao , Huazhe Xu

3D object trackers usually require training on large amounts of annotated data that is expensive and time-consuming to collect. Instead, we propose leveraging vast unlabeled datasets by self-supervised metric learning of 3D object trackers,…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jianren Wang , Siddharth Ancha , Yi-Ting Chen , David Held

Many real-world applications require the estimation of human body joints for higher-level tasks as, for example, human behaviour understanding. In recent years, depth sensors have become a popular approach to obtain three-dimensional…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Manuel J. Marin-Jimenez , Francisco J. Romero-Ramirez , Rafael Muñoz-Salinas , Rafael Medina-Carnicer

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

In this work, we propose a new solution to 3D human pose estimation in videos. Instead of directly regressing the 3D joint locations, we draw inspiration from the human skeleton anatomy and decompose the task into bone direction prediction…

计算机视觉与模式识别 · 计算机科学 2021-01-27 Tianlang Chen , Chen Fang , Xiaohui Shen , Yiheng Zhu , Zhili Chen , Jiebo Luo

We describe Human Mesh Recovery (HMR), an end-to-end framework for reconstructing a full 3D mesh of a human body from a single RGB image. In contrast to most current methods that compute 2D or 3D joint locations, we produce a richer and…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Angjoo Kanazawa , Michael J. Black , David W. Jacobs , Jitendra Malik

Recently, human pose estimation mainly focuses on how to design a more effective and better deep network structure as human features extractor, and most designed feature extraction networks only introduce the position of each anatomical…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Zhangjian Ji , Zilong Wang , Ming Zhang , Yapeng Chen , Yuhua Qian

We present a fast bottom-up method that jointly detects over 100 keypoints on humans or objects, also referred to as human/object pose estimation. We model all keypoints belonging to a human or an object -- the pose -- as a graph and…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Duncan Zauss , Sven Kreiss , Alexandre Alahi

Human pose estimation is an important topic in computer vision with many applications including gesture and activity recognition. However, pose estimation from image is challenging due to appearance variations, occlusions, clutter…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Lipeng Ke , Ming-Ching Chang , Honggang Qi , Siwei Lyu