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In this paper, we propose a method for initial camera pose estimation from just a single image which is robust to viewing conditions and does not require a detailed model of the scene. This method meets the growing need of easy deployment…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Matthieu Zins , Gilles Simon , Marie-Odile Berger

Action recognition and human pose estimation are closely related but both problems are generally handled as distinct tasks in the literature. In this work, we propose a multitask framework for jointly 2D and 3D pose estimation from still…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Diogo C. Luvizon , David Picard , Hedi Tabia

3D animation of humans in action is quite challenging as it involves using a huge setup with several motion trackers all over the person's body to track the movements of every limb. This is time-consuming and may cause the person discomfort…

Graphics · Computer Science 2020-02-10 Laxman Kumarapu , Prerana Mukherjee

Localizing a person from a moving monocular camera is critical for Human-Robot Interaction (HRI). To estimate the 3D human position from a 2D image, existing methods either depend on the geometric assumption of a fixed camera or use a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yu Zhan , Hanjing Ye , Hong Zhang

We present a novel approach for estimating depth from a monocular camera as it moves through complex and crowded indoor environments, e.g., a department store or a metro station. Our approach predicts absolute scale depth maps over the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Dongki Jung , Jaehoon Choi , Yonghan Lee , Deokhwa Kim , Changick Kim , Dinesh Manocha , Donghwan Lee

We propose a method to reconstruct global human trajectories from videos in the wild. Our optimization method decouples the camera and human motion, which allows us to place people in the same world coordinate frame. Most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Vickie Ye , Georgios Pavlakos , Jitendra Malik , Angjoo Kanazawa

3D panoramic multi-person localization and tracking are prominent in many applications, however, conventional methods using LiDAR equipment could be economically expensive and also computationally inefficient due to the processing of point…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Fan Yang , Feiran Li , Yang Wu , Sakriani Sakti , Satoshi Nakamura

A long-standing challenge in scene analysis is the recovery of scene arrangements under moderate to heavy occlusion, directly from monocular video. While the problem remains a subject of active research, concurrent advances have been made…

Graphics · Computer Science 2019-07-19 Aron Monszpart , Paul Guerrero , Duygu Ceylan , Ersin Yumer , Niloy J. Mitra

This paper presents a novel real-time tracking system capable of improving body pose estimation algorithms in distributed camera networks. The first stage of our approach introduces a linear Kalman filter operating at the body joints level,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Alessandro Malaguti , Marco Carraro , Mattia Guidolin , Luca Tagliapietra , Emanuele Menegatti , Stefano Ghidoni

In sports, such as alpine skiing, coaches would like to know the speed and various biomechanical variables of their athletes and competitors. Existing methods use either body-worn sensors, which are cumbersome to setup, or manual image…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Roman Bachmann , Jörg Spörri , Pascal Fua , Helge Rhodin

We propose a new 3D holistic++ scene understanding problem, which jointly tackles two tasks from a single-view image: (i) holistic scene parsing and reconstruction---3D estimations of object bounding boxes, camera pose, and room layout, and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Yixin Chen , Siyuan Huang , Tao Yuan , Siyuan Qi , Yixin Zhu , Song-Chun Zhu

It is now possible to estimate 3D human pose from monocular images with off-the-shelf 3D pose estimators. However, many practical applications require fine-grained absolute pose information for which multi-view cues and camera calibration…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 James Tang , Shashwat Suri , Daniel Ajisafe , Bastian Wandt , Helge Rhodin

We propose DeepMultiCap, a novel method for multi-person performance capture using sparse multi-view cameras. Our method can capture time varying surface details without the need of using pre-scanned template models. To tackle with the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Yang Zheng , Ruizhi Shao , Yuxiang Zhang , Tao Yu , Zerong Zheng , Qionghai Dai , Yebin Liu

Most monocular and physics-based human pose tracking methods, while achieving state-of-the-art results, suffer from artifacts when the scene does not have a strictly flat ground plane or when the camera is moving. Moreover, these methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Ayce Idil Aytekin , Chuqiao Li , Diogo Luvizon , Rishabh Dabral , Martin Oswald , Marc Habermann , Christian Theobalt

We introduce a method and a 3D-camera for single-shot 3D shape measurement, with unprecedented features: The 3D-camera does not rely on pattern codification and acquires object surfaces at the theoretical limit of the information…

Optics · Physics 2017-10-11 Florian Willomitzer , Gerd Häusler

Global visual localization estimates the absolute pose of a camera using a single image, in a previously mapped area. Obtaining the pose from a single image enables many robotics and augmented/virtual reality applications. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi , Shile Li , Sai Manoj Prakhya , Ziyuan Liu , Joan Serrat

3D scene understanding is a long-standing challenge in computer vision and a key component in enabling mixed reality, wearable computing, and embodied AI. Providing a solution to these applications requires a multifaceted approach that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Anna-Maria Halacheva , Yang Miao , Jan-Nico Zaech , Xi Wang , Luc Van Gool , Danda Pani Paudel

We address the problem of generalizability for multi-view 3D human pose estimation. The standard approach is to first detect 2D keypoints in images and then apply triangulation from multiple views. Even though the existing methods achieve…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Kristijan Bartol , David Bojanić , Tomislav Petković , Tomislav Pribanić

We present a novel method for populating 3D indoor scenes with virtual humans that can navigate in the environment and interact with objects in a realistic manner. Existing approaches rely on training sequences that contain captured human…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Kaifeng Zhao , Yan Zhang , Shaofei Wang , Thabo Beeler , Siyu Tang

Capturing the interactions between humans and their environment in 3D is important for many applications in robotics, graphics, and vision. Recent works to reconstruct the 3D human and object from a single RGB image do not have consistent…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Xianghui Xie , Bharat Lal Bhatnagar , Gerard Pons-Moll