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With the prosperity of the video surveillance, multiple cameras have been applied to accurately locate pedestrians in a specific area. However, previous methods rely on the human-labeled annotations in every video frame and camera view,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Mengyin Liu , Chao Zhu , Shiqi Ren , Xu-Cheng Yin

3D human pose estimation involves reconstructing the human skeleton by detecting the body joints. Accurate and efficient solutions are required for several real-world applications including animation, human-robot interaction, surveillance,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Ana Filipa Rodrigues Nogueira , Hélder P. Oliveira , Luís F. Teixeira

This paper proposes a novel paradigm for the unsupervised learning of object landmark detectors. Contrary to existing methods that build on auxiliary tasks such as image generation or equivariance, we propose a self-training approach where,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Dimitrios Mallis , Enrique Sanchez , Matt Bell , Georgios Tzimiropoulos

Most recent view-invariant action recognition and performance assessment approaches rely on a large amount of annotated 3D skeleton data to extract view-invariant features. However, acquiring 3D skeleton data can be cumbersome, if not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Faegheh Sardari , Björn Ommer , Majid Mirmehdi

We present an unsupervised approach for learning to estimate three dimensional (3D) facial structure from a single image while also predicting 3D viewpoint transformations that match a desired pose and facial geometry. We achieve this by…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Joel Ruben Antony Moniz , Christopher Beckham , Simon Rajotte , Sina Honari , Christopher Pal

Estimation of 3D human pose from monocular image has gained considerable attention, as a key step to several human-centric applications. However, generalizability of human pose estimation models developed using supervision on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Jogendra Nath Kundu , Siddharth Seth , Rahul M , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty

The advances in monocular 3D human pose estimation are dominated by supervised techniques that require large-scale 2D/3D pose annotations. Such methods often behave erratically in the absence of any provision to discard unfamiliar…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Jogendra Nath Kundu , Siddharth Seth , Pradyumna YM , Varun Jampani , Anirban Chakraborty , R. Venkatesh Babu

We propose a new self-supervised method for predicting 3D human body pose from a single image. The prediction network is trained from a dataset of unlabelled images depicting people in typical poses and a set of unpaired 2D poses. By…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Jose Sosa , David Hogg

State-of-the-art approaches for 6D object pose estimation require large amounts of labeled data to train the deep networks. However, the acquisition of 6D object pose annotations is tedious and labor-intensive in large quantity. To…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Meng Tian , Gim Hee Lee

Rendering articulated objects while controlling their poses is critical to applications such as virtual reality or animation for movies. Manipulating the pose of an object, however, requires the understanding of its underlying structure,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Atsuhiro Noguchi , Umar Iqbal , Jonathan Tremblay , Tatsuya Harada , Orazio Gallo

We present KAMA, a 3D Keypoint Aware Mesh Articulation approach that allows us to estimate a human body mesh from the positions of 3D body keypoints. To this end, we learn to estimate 3D positions of 26 body keypoints and propose an…

Computer Vision and Pattern Recognition · Computer Science 2021-04-29 Umar Iqbal , Kevin Xie , Yunrong Guo , Jan Kautz , Pavlo Molchanov

In this paper, we propose a self-supervised learningmethod for multi-object pose estimation. 3D object under-standing from 2D image is a challenging task that infers ad-ditional dimension from reduced-dimensional information.In particular,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Hyeonwoo Yu , Jean Oh

We present a deployment friendly, fast bottom-up framework for multi-person 3D human pose estimation. We adopt a novel neural representation of multi-person 3D pose which unifies the position of person instances with their corresponding 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Jogendra Nath Kundu , Ambareesh Revanur , Govind Vitthal Waghmare , Rahul Mysore Venkatesh , R. Venkatesh Babu

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

We present a novel method for estimation of 3D human poses from a multi-camera setup, employing distributed smart edge sensors coupled with a backend through a semantic feedback loop. 2D joint detection for each camera view is performed…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Simon Bultmann , Sven Behnke

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

One major challenge for monocular 3D human pose estimation in-the-wild is the acquisition of training data that contains unconstrained images annotated with accurate 3D poses. In this paper, we address this challenge by proposing a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Umar Iqbal , Pavlo Molchanov , Jan Kautz

This paper presents a novel approach to learn and detect distinctive regions on 3D shapes. Unlike previous works, which require labeled data, our method is unsupervised. We conduct the analysis on point sets sampled from 3D shapes, then…

Graphics · Computer Science 2020-04-22 Xianzhi Li , Lequan Yu , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

The main challenges of 3D pose transfer are: 1) Lack of paired training data with different characters performing the same pose; 2) Disentangling pose and shape information from the target mesh; 3) Difficulty in applying to meshes with…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Jinnan Chen , Chen Li , Gim Hee Lee

Video annotation is expensive and time consuming. Consequently, datasets for multi-person pose estimation and tracking are less diverse and have more sparse annotations compared to large scale image datasets for human pose estimation. This…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Umer Rafi , Andreas Doering , Bastian Leibe , Juergen Gall