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We identify a novel instance of the background subtraction problem that focuses on extracting near-field foreground objects captured using handheld cameras. Given two user-generated videos of a scene, one with and the other without the…

计算机视觉与模式识别 · 计算机科学 2014-04-23 Raffay Hamid , Atish Das Sarma , Dennis DeCoste , Neel Sundaresan

We present a solution for the goal of extracting a video from a single motion blurred image to sequentially reconstruct the clear views of a scene as beheld by the camera during the time of exposure. We first learn motion representation…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Kuldeep Purohit , Anshul Shah , A. N. Rajagopalan

This work addresses a novel and challenging problem of estimating the full 3D hand shape and pose from a single RGB image. Most current methods in 3D hand analysis from monocular RGB images only focus on estimating the 3D locations of hand…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Liuhao Ge , Zhou Ren , Yuncheng Li , Zehao Xue , Yingying Wang , Jianfei Cai , Junsong Yuan

A motion-blurred image is the temporal average of multiple sharp frames over the exposure time. Recovering these sharp video frames from a single blurred image is nontrivial, due to not only its strong ill-posedness, but also various types…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Daoyu Li , Liheng Bian , Jun Zhang

The hand gestures are one of the typical methods used in sign language. It is very difficult for the hearing-impaired people to communicate with the world. This project presents a solution that will not only automatically recognize the hand…

计算机视觉与模式识别 · 计算机科学 2018-11-30 K. Manikandan , Ayush Patidar , Pallav Walia , Aneek Barman Roy

Hand segmentation and fingertip detection play an indispensable role in hand gesture-based human-machine interaction systems. In this study, we propose a method to discriminate hand components and to locate fingertips in RGB-D images. The…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Duong Hai Nguyen , Tai Nhu Do , In-Seop Na , Soo-Hyung Kim

Nowadays, hand gesture recognition has become an alternative for human-machine interaction. It has covered a large area of applications like 3D game technology, sign language interpreting, VR (virtual reality) environment, and robotics. But…

计算机视觉与模式识别 · 计算机科学 2022-02-28 Abir Sen , Tapas Kumar Mishra , Ratnakar Dash

We propose a method for extracting very accurate masks of hands in egocentric views. Our method is based on a novel Deep Learning architecture: In contrast with current Deep Learning methods, we do not use upscaling layers applied to a…

计算机视觉与模式识别 · 计算机科学 2016-08-29 Tadej Vodopivec , Vincent Lepetit , Peter Peer

Many vision based applications have used fingertips to track or manipulate gestures in their applications. Gesture identification is a natural way to pass the signals to the machine, as the human express its feelings most of the time with…

计算机视觉与模式识别 · 计算机科学 2012-12-04 J. L. Raheja , Karen Das , Ankit Chaudhary

Markerless tracking of hands and fingers is a promising enabler for human-computer interaction. However, adoption has been limited because of tracking inaccuracies, incomplete coverage of motions, low framerate, complex camera setups, and…

计算机视觉与模式识别 · 计算机科学 2016-02-15 Srinath Sridhar , Franziska Mueller , Antti Oulasvirta , Christian Theobalt

Estimating 3D hand pose from single RGB images is a highly ambiguous problem that relies on an unbiased training dataset. In this paper, we analyze cross-dataset generalization when training on existing datasets. We find that approaches…

计算机视觉与模式识别 · 计算机科学 2019-09-16 Christian Zimmermann , Duygu Ceylan , Jimei Yang , Bryan Russell , Max Argus , Thomas Brox

Transparent objects are common in daily life, while their optical properties pose challenges for RGB-D cameras to capture accurate depth information. This issue is further amplified when these objects are hand-held, as hand occlusions…

机器人学 · 计算机科学 2024-09-17 Ran Yu , Haixin Yu , Shoujie Li , Huang Yan , Ziwu Song , Wenbo Ding

We present a method for reconstructing accurate and consistent 3D hands from a monocular video. We observe that detected 2D hand keypoints and the image texture provide important cues about the geometry and texture of the 3D hand, which can…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Zhigang Tu , Zhisheng Huang , Yujin Chen , Di Kang , Linchao Bao , Bisheng Yang , Junsong Yuan

This paper presents an approach that reconstructs a hand-held object from a monocular video. In contrast to many recent methods that directly predict object geometry by a trained network, the proposed approach does not require any learned…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Di Huang , Xiaopeng Ji , Xingyi He , Jiaming Sun , Tong He , Qing Shuai , Wanli Ouyang , Xiaowei Zhou

3D hand pose estimation based on RGB images has been studied for a long time. Most of the studies, however, have performed frame-by-frame estimation based on independent static images. In this paper, we attempt to not only consider the…

计算机视觉与模式识别 · 计算机科学 2020-07-13 John Yang , Hyung Jin Chang , Seungeui Lee , Nojun Kwak

Reconstructing the motion of objects from videos is a key component for embodied AI and robot manipulation. While diverse approaches to object pose tracking have been studied, they rely heavily on strong external priors, such as depth data…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Jisu Shin , Junoh Lee , JunGyu Lee , Inhwan Bae , Dohyeon Lee , Hokyun Im , Youngwoon Lee , Hae-Gon Jeon

Hand gesture-based human-computer interaction is an important problem that is well explored using color camera data. In this work we proposed a hand gesture detection system using thermal images. Our system is capable of handling multiple…

计算机视觉与模式识别 · 计算机科学 2023-03-07 James Ballow , Soumyabrata Dey

In this paper, we propose an end to end solution for image matting i.e high-precision extraction of foreground objects from natural images. Image matting and background detection can be achieved easily through chroma keying in a studio…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Rishab Sharma , Rahul Deora , Anirudha Vishvakarma

We present a solution for the goal of extracting a video from a single motion blurred image to sequentially reconstruct the clear views of a scene as beheld by the camera during the time of exposure. We first learn motion representation…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Kuldeep Purohit , Anshul Shah , A. N. Rajagopalan

We propose a method for jointly estimating the 3D motion, 3D shape, and appearance of highly motion-blurred objects from a video. To this end, we model the blurred appearance of a fast moving object in a generative fashion by parametrizing…

计算机视觉与模式识别 · 计算机科学 2022-04-08 Denys Rozumnyi , Martin R. Oswald , Vittorio Ferrari , Marc Pollefeys