English
Related papers

Related papers: Pixel2ISDF: Implicit Signed Distance Fields based …

200 papers

Reconstructing posed 3D human models from monocular images has important applications in the sports industry, including performance tracking, injury prevention and virtual training. In this work, we combine 3D human pose and shape…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Lorenza Prospero , Abdullah Hamdi , Joao F. Henriques , Christian Rupprecht

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

This paper presents a neural incremental Structure-from-Motion (SfM) approach, Level-S$^2$fM, which estimates the camera poses and scene geometry from a set of uncalibrated images by learning coordinate MLPs for the implicit surfaces and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yuxi Xiao , Nan Xue , Tianfu Wu , Gui-Song Xia

Image-based generative methods, such as generative adversarial networks (GANs) have already been able to generate realistic images with much context control, specially when they are conditioned. However, most successful frameworks share a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Shuangjun Liu , Sarah Ostadabbas

3D Human Body Reconstruction from a monocular image is an important problem in computer vision with applications in virtual and augmented reality platforms, animation industry, en-commerce domain, etc. While several of the existing works…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Abbhinav Venkat , Chaitanya Patel , Yudhik Agrawal , Avinash Sharma

Recovering 3D human body shape and pose from 2D images is a challenging task due to high complexity and flexibility of human body, and relatively less 3D labeled data. Previous methods addressing these issues typically rely on predicting…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Pengfei Yao , Zheng Fang , Fan Wu , Yao Feng , Jiwei Li

Independent Sign Language Recognition is a complex visual recognition problem that combines several challenging tasks of Computer Vision due to the necessity to exploit and fuse information from hand gestures, body features and facial…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Agelos Kratimenos , Georgios Pavlakos , Petros Maragos

Multi-view surface reconstruction is an ill-posed, inverse problem in 3D vision research. It involves modeling the geometry and appearance with appropriate surface representations. Most of the existing methods rely either on explicit…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Zhangjin Huang , Zhihao Liang , Haojie Zhang , Yangkai Lin , Kui Jia

The appearance of a human in clothing is driven not only by the pose but also by its temporal context, i.e., motion. However, such context has been largely neglected by existing monocular human modeling methods whose neural networks often…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Hansol Lee , Junuk Cha , Yunhoe Ku , Jae Shin Yoon , Seungryul Baek

We present a method for teaching machines to understand and model the underlying spatial common sense of diverse human-object interactions in 3D in a self-supervised way. This is a challenging task, as there exist specific manifolds of the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Sookwan Han , Hanbyul Joo

To facilitate the analysis of human actions, interactions and emotions, we compute a 3D model of human body pose, hand pose, and facial expression from a single monocular image. To achieve this, we use thousands of 3D scans to train a new,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Georgios Pavlakos , Vasileios Choutas , Nima Ghorbani , Timo Bolkart , Ahmed A. A. Osman , Dimitrios Tzionas , Michael J. Black

Monocular 3D reconstruction of deformable objects, such as human body parts, has been typically approached by predicting parameters of heavyweight linear models. In this paper, we demonstrate an alternative solution that is based on the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Dominik Kulon , Haoyang Wang , Riza Alp Güler , Michael Bronstein , Stefanos Zafeiriou

Human hands are highly articulated and versatile at handling objects. Jointly estimating the 3D poses of a hand and the object it manipulates from a monocular camera is challenging due to frequent occlusions. Thus, existing methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Haozhe Qi , Chen Zhao , Mathieu Salzmann , Alexander Mathis

We present Gradient-SDF, a novel representation for 3D geometry that combines the advantages of implict and explicit representations. By storing at every voxel both the signed distance field as well as its gradient vector field, we enhance…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Christiane Sommer , Lu Sang , David Schubert , Daniel Cremers

Various SDF-based neural implicit surface reconstruction methods have been proposed recently, and have demonstrated remarkable modeling capabilities. However, due to the global nature and limited representation ability of a single network,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Leyuan Yang , Bailin Deng , Juyong Zhang

Substantial progress has been made on modeling rigid 3D objects using deep implicit representations. Yet, extending these methods to learn neural models of human shape is still in its infancy. Human bodies are complex and the key challenge…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Marko Mihajlovic , Yan Zhang , Michael J. Black , Siyu Tang

Light field presents a rich way to represent the 3D world by capturing the spatio-angular dimensions of the visual signal. However, the popular way of capturing light field (LF) via a plenoptic camera presents spatio-angular resolution…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Anil Kumar Vadathya , Sharath Girish , Kaushik Mitra

Reconstructing 3D clothed human involves creating a detailed geometry of individuals in clothing, with applications ranging from virtual try-on, movies, to games. To enable practical and widespread applications, recent advances propose to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Yifan Yang , Dong Liu , Shuhai Zhang , Zeshuai Deng , Zixiong Huang , Mingkui Tan

In this paper, we aim to create generalizable and controllable neural signed distance fields (SDFs) that represent clothed humans from monocular depth observations. Recent advances in deep learning, especially neural implicit…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Shaofei Wang , Marko Mihajlovic , Qianli Ma , Andreas Geiger , Siyu Tang

Multiple cameras can provide comprehensive multi-view video coverage of a person. Fusing this multi-view data is crucial for tasks like behavioral analysis, although it traditionally requires camera calibration, a process that is often…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Yitao Zhu , Sheng Wang , Mengjie Xu , Zixu Zhuang , Zhixin Wang , Kaidong Wang , Han Zhang , Qian Wang