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While hand pose estimation is a critical component of most interactive extended reality and gesture recognition systems, contemporary approaches are not optimized for computational and memory efficiency. In this paper, we propose a tiny…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 John Yang , Yash Bhalgat , Simyung Chang , Fatih Porikli , Nojun Kwak

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

Hierarchical feature extractors such as Convolutional Networks (ConvNets) have achieved impressive performance on a variety of classification tasks using purely feedforward processing. Feedforward architectures can learn rich…

Computer Vision and Pattern Recognition · Computer Science 2016-06-14 Joao Carreira , Pulkit Agrawal , Katerina Fragkiadaki , Jitendra Malik

Quantification of uncertainty in point cloud matching is critical in many tasks such as pose estimation, sensor fusion, and grasping. Iterative closest point (ICP) is a commonly used pose estimation algorithm which provides a point estimate…

Robotics · Computer Science 2021-12-24 Fahira Afzal Maken , Fabio Ramos , Lionel Ott

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

Pose estimation purely based on 3D point-cloud could suffer from degradation, e.g. scan blocks or scans in repetitive environments. To deal with this problem, we propose an approach for fusing 3D spinning LiDAR and IMU to estimate the…

Robotics · Computer Science 2017-10-20 Haoyang Ye , Ming Liu

This paper presents a generic 6DOF camera pose estimation method, which can be used for both the pinhole camera and the fish-eye camera. Different from existing methods, relative positions of 3D points rather than absolute coordinates in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Zhaobing Kang , Wei Zou , Zheng Zhu , Chi Zhang , Hongxuan Ma

Iterative refinement -- start with a random guess, then iteratively improve the guess -- is a useful paradigm for representation learning because it offers a way to break symmetries among equally plausible explanations for the data. This…

Machine Learning · Computer Science 2023-01-03 Michael Chang , Thomas L. Griffiths , Sergey Levine

Estimating 3D human poses only from a 2D human pose sequence is thoroughly explored in recent years. Yet, prior to this, no such work has attempted to unify 2D and 3D pose representations in the shared feature space. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhenyu Zhang , Wenhao Chai , Zhongyu Jiang , Tian Ye , Mingli Song , Jenq-Neng Hwang , Gaoang Wang

We present a novel solution to the camera pose estimation problem, where rotation and translation of a camera between two views are estimated from matched feature points in the images. The camera pose estimation problem is traditionally…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Kaveh Fathian , J. Pablo Ramirez-Paredes , Emily A. Doucette , J. Willard Curtis , Nicholas R. Gans

Matching corresponding features between two images is a fundamental task to computer vision with numerous applications in object recognition, robotics, and 3D reconstruction. Current state of the art in image feature matching has focused on…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Chen Zhao , Jiaqi Yang , Ke Xian , Zhiguo Cao , Xin Li

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

Existing volumetric methods for predicting 3D human pose estimation are accurate, but computationally expensive and optimized for single time-step prediction. We present TEMPO, an efficient multi-view pose estimation model that learns a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Rohan Choudhury , Kris Kitani , Laszlo A. Jeni

We propose to estimate 3D human pose from multi-view images and a few IMUs attached at person's limbs. It operates by firstly detecting 2D poses from the two signals, and then lifting them to the 3D space. We present a geometric approach to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Zhe Zhang , Chunyu Wang , Wenhu Qin , Wenjun Zeng

The past few years have witnessed great progress in the domain of face recognition thanks to advances in deep learning. However, cross pose face recognition remains a significant challenge. It is difficult for many deep learning algorithms…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Junyang Huang , Changxing Ding

Pairwise pose estimation from images with little or no overlap is an open challenge in computer vision. Existing methods, even those trained on large-scale datasets, struggle in these scenarios due to the lack of identifiable…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Ruojin Cai , Jason Y. Zhang , Philipp Henzler , Zhengqi Li , Noah Snavely , Ricardo Martin-Brualla

The practical application requests both accuracy and efficiency on multi-person pose estimation algorithms. But the high accuracy and fast inference speed are dominated by top-down methods and bottom-up methods respectively. To make a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Jiabin Zhang , Zheng Zhu , Jiwen Lu , Junjie Huang , Guan Huang , Jie Zhou

We rethink a well-know bottom-up approach for multi-person pose estimation and propose an improved one. The improved approach surpasses the baseline significantly thanks to (1) an intuitional yet more sensible representation, which we refer…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Jia Li , Wen Su , Zengfu Wang

For many robotic manipulation and contact tasks, it is crucial to accurately estimate uncertain object poses, for which certain geometry and sensor information are fused in some optimal fashion. Previous results for this problem primarily…

Robotics · Computer Science 2023-05-29 Jeongmin Lee , Minji Lee , Dongjun Lee

The Iterative Forecast Planner (IFP) is a geometric planning approach that offers lightweight computations, scalable, and reactive solutions for multi-robot path planning in decentralized, communication-free settings. However, it struggles…

Robotics · Computer Science 2025-08-13 Hadush Hailu , Bruk Gebregziabher , Prudhvi Raj