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General mammal pose estimation is an important and challenging task in computer vision, which is essential for understanding mammal behaviour in real-world applications. However, existing studies are at their preliminary research stage,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Tianyang Xu , Jiyong Rao , Xiaoning Song , Zhenhua Feng , Xiao-Jun Wu

Thanks to the development of 2D keypoint detectors, monocular 3D human pose estimation (HPE) via 2D-to-3D uplifting approaches have achieved remarkable improvements. Still, monocular 3D HPE is a challenging problem due to the inherent depth…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Jeongjun Choi , Dongseok Shim , H. Jin Kim

Existing 2D-to-3D pose lifting networks suffer from poor performance in cross-dataset benchmarks. Although the use of 2D keypoints joined by "stick-figure" limbs has shown promise as an intermediate step, stick-figures do not account for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Saad Manzur , Wayne Hayes

Category-level 6D object pose estimation aims to estimate the rotation, translation and size of unseen instances within specific categories. In this area, dense correspondence-based methods have achieved leading performance. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Xiao Lin , Wenfei Yang , Yuan Gao , Tianzhu Zhang

We present an approach to perform 3D pose estimation of multiple people from a few calibrated camera views. Our architecture, leveraging the recently proposed unprojection layer, aggregates feature-maps from a 2D pose estimator backbone…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Alessio Elmi , Davide Mazzini , Pietro Tortella

Bird strikes present a huge risk for aircraft, especially since traditional airport bird surveillance is mainly dependent on inefficient human observation. Computer vision based technology has been proposed to automatically detect birds,…

Computer Vision and Pattern Recognition · Computer Science 2016-01-19 Ying Huang , Hong Zheng , Haibin Ling , Erik Blasch , Hao Yang

Estimating the 3D pose of desktop objects is crucial for applications such as robotic manipulation. Many existing approaches to this problem require a depth map of the object for both training and prediction, which restricts them to opaque,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Xingyu Liu , Rico Jonschkowski , Anelia Angelova , Kurt Konolige

Multi-Camera Multi-Object Tracking is currently drawing attention in the computer vision field due to its superior performance in real-world applications such as video surveillance in crowded scenes or in wide spaces. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Duy M. H. Nguyen , Roberto Henschel , Bodo Rosenhahn , Daniel Sonntag , Paul Swoboda

Humans combine prediction and perception to observe the world. When faced with rapidly moving birds or insects, we can only perceive them clearly by predicting their next position and focusing our gaze there. Inspired by this, this paper…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Song Zhang , Haoyu Chen , Ruibo Wang

Recently, several deep learning models have been proposed for 3D human pose estimation. Nevertheless, most of these approaches only focus on the single-person case or estimate 3D pose of a few people at high resolution. Furthermore, many…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Abdallah Benzine , Florian Chabot , Bertrand Luvison , Quoc Cong Pham , Cahterine Achrd

This paper proposes a novel system to estimate and track the 3D poses of multiple persons in calibrated RGB-Depth camera networks. The multi-view 3D pose of each person is computed by a central node which receives the single-view outcomes…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Marco Carraro , Matteo Munaro , Jeff Burke , Emanuele Menegatti

We propose a viewpoint invariant model for 3D human pose estimation from a single depth image. To achieve this, our discriminative model embeds local regions into a learned viewpoint invariant feature space. Formulated as a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Albert Haque , Boya Peng , Zelun Luo , Alexandre Alahi , Serena Yeung , Li Fei-Fei

6D pose estimation is a central problem in robot vision. Compared with pose estimation based on point correspondences or its robust versions, correspondence-free methods are often more flexible. However, existing correspondence-free methods…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Quan Quan , Dun Dai

Understanding the well-being of cattle is crucial in various agricultural contexts. Cattle's body shape and joint articulation carry significant information about their welfare, yet acquiring comprehensive datasets for 3D body pose…

Robotics · Computer Science 2024-11-28 Mohammad Okour , Raphael Falque , Alen Alempijevic

Estimating 3D poses of multiple humans in real-time is a classic but still challenging task in computer vision. Its major difficulty lies in the ambiguity in cross-view association of 2D poses and the huge state space when there are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Long Chen , Haizhou Ai , Rui Chen , Zijie Zhuang , Shuang Liu

Video annotation is expensive and time consuming. Consequently, datasets for multi-person pose estimation and tracking are less diverse and have more sparse annotations compared to large scale image datasets for human pose estimation. This…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Umer Rafi , Andreas Doering , Bastian Leibe , Juergen Gall

Estimating a 3D human pose has proven to be a challenging task, primarily because of the complexity of the human body joints, occlusions, and variability in lighting conditions. In this paper, we introduce a higher-order graph convolutional…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Jianning Quan , A. Ben Hamza

This paper describes recent developments in object specific pose and shape prediction from single images. The main contribution is a new approach to camera pose prediction by self-supervised learning of keypoints corresponding to locations…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Zahra Gharaee , Felix Järemo Lawin , Per-Erik Forssén

The assessment of laboratory animal behavior is of central interest in modern neuroscience research. Behavior is typically studied in terms of pose changes, which are ideally captured in three dimensions. This requires triangulation over a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Indrani Sarkar , Indranil Maji , Charitha Omprakash , Sebastian Stober , Sanja Mikulovic , Pavol Bauer

Estimating the 3D pose of a drone is important for anti-drone systems, but existing methods struggle with the unique challenges of drone keypoint detection. Drone propellers serve as keypoints but are difficult to detect due to their high…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Seo-Bin Hwang , Yeong-Jun Cho