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We propose a method for human pose estimation based on Deep Neural Networks (DNNs). The pose estimation is formulated as a DNN-based regression problem towards body joints. We present a cascade of such DNN regressors which results in high…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Alexander Toshev , Christian Szegedy

In this paper, we study imitation learning under the challenging setting of: (1) only a single demonstration, (2) no further data collection, and (3) no prior task or object knowledge. We show how, with these constraints, imitation learning…

Robotics · Computer Science 2023-10-19 Pietro Vitiello , Kamil Dreczkowski , Edward Johns

Depth cameras allow to set up reliable solutions for people monitoring and behavior understanding, especially when unstable or poor illumination conditions make unusable common RGB sensors. Therefore, we propose a complete framework for the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Guido Borghi , Matteo Fabbri , Roberto Vezzani , Simone Calderara , Rita Cucchiara

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

One major challenge for 3D pose estimation from a single RGB image is the acquisition of sufficient training data. In particular, collecting large amounts of training data that contain unconstrained images and are annotated with accurate 3D…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Hashim Yasin , Umar Iqbal , Björn Krüger , Andreas Weber , Juergen Gall

Despite significant progress made in the past few years, challenges remain for depth estimation using a single monocular image. First, it is nontrivial to train a metric-depth prediction model that can generalize well to diverse scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Wei Yin , Jianming Zhang , Oliver Wang , Simon Niklaus , Simon Chen , Yifan Liu , Chunhua Shen

We propose a novel efficient and lightweight model for human pose estimation from a single image. Our model is designed to achieve competitive results at a fraction of the number of parameters and computational cost of various…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Hossam Isack , Christian Haene , Cem Keskin , Sofien Bouaziz , Yuri Boykov , Shahram Izadi , Sameh Khamis

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 present a solution to egocentric 3D body pose estimation from monocular images captured from downward looking fish-eye cameras installed on the rim of a head mounted VR device. This unusual viewpoint leads to images with unique visual…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Denis Tome , Thiemo Alldieck , Patrick Peluse , Gerard Pons-Moll , Lourdes Agapito , Hernan Badino , Fernando De la Torre

Accurate 3D human pose estimation from single images is possible with sophisticated deep-net architectures that have been trained on very large datasets. However, this still leaves open the problem of capturing motions for which no such…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Helge Rhodin , Jörg Spörri , Isinsu Katircioglu , Victor Constantin , Frédéric Meyer , Erich Müller , Mathieu Salzmann , Pascal Fua

In this paper we propose a technique for obtaining coarse pose estimation of humans in an image that does not require any manual supervision. While a general unsupervised technique would fail to estimate human pose, we suggest that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Prabuddha Chakraborty , Vinay P. Namboodiri

Pose estimation commonly refers to computer vision methods that recognize people's body postures in images or videos. With recent advancements in deep learning, we now have compelling models to tackle the problem in real-time. Since these…

Robotics · Computer Science 2021-07-07 Arash Amini , Hafez Farazi , Sven Behnke

Public cameras often have limited metadata describing their attributes. A key missing attribute is the precise location of the camera, using which it is possible to precisely pinpoint the location of events seen in the camera. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Pradipta Ghosh , Xiaochen Liu , Hang Qiu , Marcos A. M. Vieira , Gaurav S. Sukhatme , Ramesh Govindan

Articulated hand pose estimation is a challenging task for human-computer interaction. The state-of-the-art hand pose estimation algorithms work only with one or a few subjects for which they have been calibrated or trained. Particularly,…

Human-Computer Interaction · Computer Science 2017-12-11 Jameel Malik , Ahmed Elhayek , Didier Stricker

The choice of poses for camera calibration with planar patterns is only rarely considered - yet the calibration precision heavily depends on it. This work presents a pose selection method that finds a compact and robust set of calibration…

Computer Vision and Pattern Recognition · Computer Science 2019-07-15 Pavel Rojtberg , Arjan Kuijper

This paper addresses the challenge of 3D full-body human pose estimation from a monocular image sequence. Here, two cases are considered: (i) the image locations of the human joints are provided and (ii) the image locations of joints are…

Computer Vision and Pattern Recognition · Computer Science 2016-04-29 Xiaowei Zhou , Menglong Zhu , Spyridon Leonardos , Kosta Derpanis , Kostas Daniilidis

We present an unsupervised learning approach to recover 3D human pose from 2D skeletal joints extracted from a single image. Our method does not require any multi-view image data, 3D skeletons, correspondences between 2D-3D points, or use…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Ching-Hang Chen , Ambrish Tyagi , Amit Agrawal , Dylan Drover , Rohith MV , Stefan Stojanov , James M. Rehg

Depth and ego-motion estimations are essential for the localization and navigation of autonomous robots and autonomous driving. Recent studies make it possible to learn the per-pixel depth and ego-motion from the unlabeled monocular video.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Guangming Wang , Jiquan Zhong , Shijie Zhao , Wenhua Wu , Zhe Liu , Hesheng Wang

Current unsupervised 2D-3D human pose estimation (HPE) methods do not work in multi-person scenarios due to perspective ambiguity in monocular images. Therefore, we present one of the first studies investigating the feasibility of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Peter Hardy , Hansung Kim

Low-cost consumer depth cameras and deep learning have enabled reasonable 3D hand pose estimation from single depth images. In this paper, we present an approach that estimates 3D hand pose from regular RGB images. This task has far more…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Christian Zimmermann , Thomas Brox