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In recent years, supervised learning has become the dominant paradigm for training deep-learning based methods for 3D object detection. Lately, the academic community has studied 3D object detection in the context of autonomous vehicles…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Wesley Chen , Andrew Edgley , Raunak Hota , Joshua Liu , Ezra Schwartz , Aminah Yizar , Neehar Peri , James Purtilo

Annotating lidar point clouds for autonomous driving is a notoriously expensive and time-consuming task. In this work, we show that the quality of recent self-supervised lidar scan representations allows a great reduction of the annotation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Nermin Samet , Gilles Puy , Oriane Siméoni , Renaud Marlet

We introduce UPose3D, a novel approach for multi-view 3D human pose estimation, addressing challenges in accuracy and scalability. Our method advances existing pose estimation frameworks by improving robustness and flexibility without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Vandad Davoodnia , Saeed Ghorbani , Marc-André Carbonneau , Alexandre Messier , Ali Etemad

The expensive annotation cost is notoriously known as the main constraint for the development of the point cloud semantic segmentation technique. Active learning methods endeavor to reduce such cost by selecting and labeling only a subset…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Feifei Shao , Yawei Luo , Ping Liu , Jie Chen , Yi Yang , Yulei Lu , Jun Xiao

Manual annotation of bounding boxes for object detection in digital images is tedious, and time and resource consuming. In this paper, we propose a semi-automatic method for efficient bounding box annotation. The method trains the object…

Machine Learning · Computer Science 2020-07-03 Bishwo Adhikari , Heikki Huttunen

Estimating the 3D hand pose from a monocular RGB image is important but challenging. A solution is training on large-scale RGB hand images with accurate 3D hand keypoint annotations. However, it is too expensive in practice. Instead, we…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Zhenyu Wu , Duc Hoang , Shih-Yao Lin , Yusheng Xie , Liangjian Chen , Yen-Yu Lin , Zhangyang Wang , Wei Fan

Accurate 3D kinematics estimation of human body is crucial in various applications for human health and mobility, such as rehabilitation, injury prevention, and diagnosis, as it helps to understand the biomechanical loading experienced…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Zhi-Yi Lin , Bofan Lyu , Judith Cueto Fernandez , Eline van der Kruk , Ajay Seth , Xucong Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Jue Wang , Shaoli Huang , Xinchao Wang , Dacheng Tao

Grasping algorithms have evolved from planar depth grasping to utilizing point cloud information, allowing for application in a wider range of scenarios. However, data-driven grasps based on models trained on basic open-source datasets may…

Robotics · Computer Science 2023-10-31 Xiao Hu , Xiangsheng Chen

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…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Sandika Biswas , Sanjana Sinha , Kavya Gupta , Brojeshwar Bhowmick

State-of-the-art computer vision algorithms often achieve efficiency by making discrete choices about which hypotheses to explore next. This allows allocation of computational resources to promising candidates, however, such decisions are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Alexander Krull , Eric Brachmann , Sebastian Nowozin , Frank Michel , Jamie Shotton , Carsten Rother

In this paper, we present a novel Distribution-Aware Single-stage (DAS) model for tackling the challenging multi-person 3D pose estimation problem. Different from existing top-down and bottom-up methods, the proposed DAS model…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Zitian Wang , Xuecheng Nie , Xiaochao Qu , Yunpeng Chen , Si Liu

Estimating 3D human poses from a monocular video is still a challenging task. Many existing methods' performance drops when the target person is occluded by other objects, or the motion is too fast/slow relative to the scale and speed of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Cheng Yu , Bo Wang , Bo Yang , Robby T. Tan

Active learning (AL) is a widely-used training strategy for maximizing predictive performance subject to a fixed annotation budget. In AL one iteratively selects training examples for annotation, often those for which the current model is…

Machine Learning · Computer Science 2019-11-05 David Lowell , Zachary C. Lipton , Byron C. Wallace

Learned object detection methods based on fusion of LiDAR and camera data require labeled training samples, but niche applications, such as warehouse robotics or automated infrastructure, require semantic classes not available in large…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Ryan Rubel , Andrew Dudash , Mohammad Goli , James O'Hara , Karl Wunderlich

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

Active learning (AL) is a label-efficient machine learning paradigm that focuses on selectively annotating high-value instances to maximize learning efficiency. Its effectiveness can be further enhanced by incorporating weak supervision,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Shinnosuke Matsuo , Riku Togashi , Ryoma Bise , Seiichi Uchida , Masahiro Nomura

3D animation of humans in action is quite challenging as it involves using a huge setup with several motion trackers all over the person's body to track the movements of every limb. This is time-consuming and may cause the person discomfort…

Graphics · Computer Science 2020-02-10 Laxman Kumarapu , Prerana Mukherjee

Human pose estimation is a key task in computer vision with various applications such as activity recognition and interactive systems. However, the lack of consistency in the annotated skeletons across different datasets poses challenges in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Muhammad Saif Ullah Khan , Dhavalkumar Limbachiya , Didier Stricker , Muhammad Zeshan Afzal

We introduce Fluid Annotation, an intuitive human-machine collaboration interface for annotating the class label and outline of every object and background region in an image. Fluid annotation is based on three principles: (I) Strong…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Mykhaylo Andriluka , Jasper R. R. Uijlings , Vittorio Ferrari