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Given sparse views of a 3D object, estimating their camera poses is a long-standing and intractable problem. Toward this goal, we consider harnessing the pre-trained diffusion model of novel views conditioned on viewpoints (Zero-1-to-3). We…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Weihao Cheng , Yan-Pei Cao , Ying Shan

Gaze detection and head orientation are an important part of many advanced human-machine interaction applications. Many systems have been proposed for gaze detection. Typically, they require some form of user cooperation and calibration.…

Computer Vision and Pattern Recognition · Computer Science 2016-08-31 J. Y. Kaminski , M. Teicher , D. Knaan , A. Shavit

State-of-the-art self-supervised learning approaches for monocular depth estimation usually suffer from scale ambiguity. They do not generalize well when applied on distance estimation for complex projection models such as in fisheye and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Varun Ravi Kumar , Marvin Klingner , Senthil Yogamani , Stefan Milz , Tim Fingscheidt , Patrick Maeder

This paper addresses the task of relative camera pose estimation from raw image pixels, by means of deep neural networks. The proposed RPNet network takes pairs of images as input and directly infers the relative poses, without the need of…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Sovann En , Alexis Lechervy , Frédéric Jurie

In this paper, we propose an efficient end-to-end algorithm to tackle the problem of estimating the 6D pose of objects from a single RGB image. Our system trains a fully convolutional network to regress the 3D rotation and the 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-02-07 Jin Liu , Sheng He

We propose a new learning-based method for estimating 2D human pose from a single image, using Dual-Source Deep Convolutional Neural Networks (DS-CNN). Recently, many methods have been developed to estimate human pose by using pose priors…

Computer Vision and Pattern Recognition · Computer Science 2015-04-28 Xiaochuan Fan , Kang Zheng , Yuewei Lin , Song Wang

Pose estimation is a crucial task in computer vision, with wide applications in autonomous driving, human motion capture, and virtual reality. However, existing methods still face challenges in achieving high accuracy, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Liang Feng , Ming Xu , Lihua Wen , Zhixuan Shen

Camera pose estimation in known scenes is a 3D geometry task recently tackled by multiple learning algorithms. Many regress precise geometric quantities, like poses or 3D points, from an input image. This either fails to generalize to new…

We propose an entirely data-driven approach to estimating the 3D pose of a hand given a depth image. We show that we can correct the mistakes made by a Convolutional Neural Network trained to predict an estimate of the 3D pose by using a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-03 Markus Oberweger , Paul Wohlhart , Vincent Lepetit

Convolutional neural networks (CNNs) and transfer learning have recently been used for 6 degrees of freedom (6-DoF) camera pose estimation. While they do not reach the same accuracy as visual SLAM-based approaches and are restricted to a…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Soroush Seifi , Tinne Tuytelaars

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

Even though face recognition in frontal view and normal lighting condition works very well, the performance degenerates sharply in extreme conditions. Recently there are many work dealing with pose and illumination problems, respectively.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Xiaoyue Jiang , Dong Zhang , Xiaoyi Feng

We propose a novel 3D neural network architecture for 3D hand pose estimation from a single depth image. Different from previous works that mostly run on 2D depth image domain and require intermediate or post process to bring in the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Xiaoming Deng , Shuo Yang , Yinda Zhang , Ping Tan , Liang Chang , Hongan Wang

Distortion rectification is often required for fisheye images. The generation-based method is one mainstream solution due to its label-free property, but its naive skip-connection and overburdened decoder will cause blur and incomplete…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shangrong Yang , Chunyu Lin , Kang Liao , Chunjie Zhang , Yao Zhao

We focus on the challenging problem of efficient mouse 3D pose estimation based on static images, and especially single depth images. We introduce an approach to discriminatively train the split nodes of trees in random forest to improve…

Computer Vision and Pattern Recognition · Computer Science 2015-11-25 Ashwin Nanjappa , Li Cheng , Wei Gao , Chi Xu , Adam Claridge-Chang , Zoe Bichler

We propose a novel image based localization system using graph neural networks (GNN). The pretrained ResNet50 convolutional neural network (CNN) architecture is used to extract the important features for each image. Following, the extracted…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Ahmed Elmoogy , Xiaodai Dong , Tao Lu , Robert Westendorp , Kishore Reddy

3D hand-object pose estimation is an important issue to understand the interaction between human and environment. Current hand-object pose estimation methods require detailed 3D labels, which are expensive and labor-intensive. To tackle the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Zida Cheng , Siheng Chen , Ya Zhang

The task of human pose estimation (HPE) deals with the ill-posed problem of estimating the 3D position of human joints directly from images and videos. In recent literature, most of the works tackle the problem mostly by using convolutional…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Nicola Garau , Nicola Conci

3D pose estimation from a 2D cross-sectional view enables healthcare professionals to navigate through the 3D space, and such techniques initiate automatic guidance in many image-guided radiology applications. In this work, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Qianhui Men , Xiaoqing Guo , Aris T. Papageorghiou , J. Alison Noble

This paper addresses the problem of 3D human pose estimation from single images. While for a long time human skeletons were parameterized and fitted to the observation by satisfying a reprojection error, nowadays researchers directly use…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Bastian Wandt , Bodo Rosenhahn
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