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The common approach to 3D human pose estimation is predicting the body joint coordinates relative to the hip. This works well for a single person but is insufficient in the case of multiple interacting people. Methods predicting absolute…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Márton Véges , András Lőrincz

In this paper we propose a supervised initialization scheme for cascaded face alignment based on explicit head pose estimation. We first investigate the failure cases of most state of the art face alignment approaches and observe that these…

Computer Vision and Pattern Recognition · Computer Science 2015-07-21 Heng Yang , Wenxuan Mou , Yichi Zhang , Ioannis Patras , Hatice Gunes , Peter Robinson

Feed-forward foundation models for multi-view 3-dimensional (3D) reconstruction have been trained on large-scale datasets of perspective images; when tested on wide field-of-view images, e.g., from a fisheye camera, their performance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Ruxiao Duan , Erin Hong , Dongxu Zhao , Eric Turner , Alex Wong , Yunwen Zhou

In this paper, we present a method for unconstrained end-to-end head pose estimation. We address the problem of ambiguous rotation labels by introducing the rotation matrix formalism for our ground truth data and propose a continuous 6D…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Thorsten Hempel , Ahmed A. Abdelrahman , Ayoub Al-Hamadi

Most deep pose estimation methods need to be trained for specific object instances or categories. In this work we propose a completely generic deep pose estimation approach, which does not require the network to have been trained on…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Yang Xiao , Xuchong Qiu , Pierre-Alain Langlois , Mathieu Aubry , Renaud Marlet

Egocentric 3D human pose estimation with a single head-mounted fisheye camera has recently attracted attention due to its numerous applications in virtual and augmented reality. Existing methods still struggle in challenging poses where the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Jian Wang , Lingjie Liu , Weipeng Xu , Kripasindhu Sarkar , Diogo Luvizon , Christian Theobalt

Egocentric 3D human pose estimation with a single fisheye camera has drawn a significant amount of attention recently. However, existing methods struggle with pose estimation from in-the-wild images, because they can only be trained on…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Jian Wang , Lingjie Liu , Weipeng Xu , Kripasindhu Sarkar , Diogo Luvizon , Christian Theobalt

Estimating pose of the head is an important preprocessing step in many pattern recognition and computer vision systems such as face recognition. Since the performance of the face recognition systems is greatly affected by the poses of the…

Computer Vision and Pattern Recognition · Computer Science 2012-05-15 Mohammad Tofighi , Hashem Kalbkhani , Mahrokh G. Shayesteh , Mehdi Ghasemzadeh

Egocentric 3D human pose estimation using a single fisheye camera has become popular recently as it allows capturing a wide range of daily activities in unconstrained environments, which is difficult for traditional outside-in motion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Jian Wang , Lingjie Liu , Weipeng Xu , Kripasindhu Sarkar , Christian Theobalt

In the era of deep learning, human pose estimation from multiple cameras with unknown calibration has received little attention to date. We show how to train a neural model to perform this task with high precision and minimal latency…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Ben Usman , Andrea Tagliasacchi , Kate Saenko , Avneesh Sud

In this paper we tackle the problem of estimating the 3D pose of object instances, using convolutional neural networks. State of the art methods usually solve the challenging problem of regression in angle space indirectly, focusing on…

Computer Vision and Pattern Recognition · Computer Science 2016-07-11 Andreas Doumanoglou , Vassileios Balntas , Rigas Kouskouridas , Tae-Kyun Kim

Estimating human gaze from natural eye images only is a challenging task. Gaze direction can be defined by the pupil- and the eyeball center where the latter is unobservable in 2D images. Hence, achieving highly accurate gaze estimates is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Seonwook Park , Adrian Spurr , Otmar Hilliges

Facial pose estimation has gained a lot of attentions in many practical applications, such as human-robot interaction, gaze estimation and driver monitoring. Meanwhile, end-to-end deep learning-based facial pose estimation is becoming more…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Zhaoxiang Liu , Zezhou Chen , Jinqiang Bai , Shaohua Li , Shiguo Lian

Estimating the 6D pose of objects from images is an important problem in various applications such as robot manipulation and virtual reality. While direct regression of images to object poses has limited accuracy, matching rendered images…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Yi Li , Gu Wang , Xiangyang Ji , Yu Xiang , Dieter Fox

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe

Estimating camera pose from a single image is a fundamental problem in computer vision. Existing methods for solving this task fall into two distinct categories, which we refer to as direct and indirect. Direct methods, such as PoseNet,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Hunter Blanton , Scott Workman , Nathan Jacobs

In this paper we consider the problem of human pose estimation from a single still image. We propose a novel approach where each location in the image votes for the position of each keypoint using a convolutional neural net. The voting…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Ita Lifshitz , Ethan Fetaya , Shimon Ullman

We address the problem of learning accurate 3D shape and camera pose from a collection of unlabeled category-specific images. We train a convolutional network to predict both the shape and the pose from a single image by minimizing the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Eldar Insafutdinov , Alexey Dosovitskiy

Head pose estimation and tracking is useful in variety of medical applications. With the advent of RGBD cameras like Kinect, it has become feasible to do markerless tracking by estimating the head pose directly from the point clouds. One…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Omer Rajput , Nils Gessert , Martin Gromniak , Lars Matthäus , Alexander Schlaefer

In fisheye images, rich distinct distortion patterns are regularly distributed in the image plane. These distortion patterns are independent of the visual content and provide informative cues for rectification. To make the best of such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hao Feng , Wendi Wang , Jiajun Deng , Wengang Zhou , Li Li , Houqiang Li