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Similarity between objects is multi-faceted and it can be easier for human annotators to measure it when the focus is on a specific aspect. We consider the problem of mapping objects into view-specific embeddings where the distance between…

Machine Learning · Statistics 2015-10-08 Liwen Zhang , Subhransu Maji , Ryota Tomioka

Unlike traditional third-person cameras mounted on robots, a first-person camera, captures a person's visual sensorimotor object interactions from up close. In this paper, we study the tight interplay between our momentary visual attention…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Gedas Bertasius , Hyun Soo Park , Stella X. Yu , Jianbo Shi

Image-to-video person re-identification identifies a target person by a probe image from quantities of pedestrian videos captured by non-overlapping cameras. Despite the great progress achieved,it's still challenging to match in the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Zhongwei Xie , Lin Li , Xian Zhong , Luo Zhong

Several theories in cognitive neuroscience suggest that when people interact with the world, or simulate interactions, they do so from a first-person egocentric perspective, and seamlessly transfer knowledge between third-person (observer)…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Gunnar A. Sigurdsson , Abhinav Gupta , Cordelia Schmid , Ali Farhadi , Karteek Alahari

Wearable cameras are becoming more and more popular in several applications, increasing the interest of the research community in developing approaches for recognizing actions from the first-person point of view. An open challenge in…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Mirco Planamente , Andrea Bottino , Barbara Caputo

Person re-identification is an important task and has widespread applications in video surveillance for public security. In the past few years, deep learning network with triplet loss has become popular for this problem. However, the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Xinglu Wang

We present a method for learning an embedding that places images of humans in similar poses nearby. This embedding can be used as a direct method of comparing images based on human pose, avoiding potential challenges of estimating body…

Computer Vision and Pattern Recognition · Computer Science 2015-07-02 Greg Mori , Caroline Pantofaru , Nisarg Kothari , Thomas Leung , George Toderici , Alexander Toshev , Weilong Yang

Video-based person re-identification (Re-ID) which aims to associate people across non-overlapping cameras using surveillance video is a challenging task. Pedestrian attribute, such as gender, age and clothing characteristics contains rich…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Tianrui Chai , Zhiyuan Chen , Annan Li , Jiaxin Chen , Xinyu Mei , Yunhong Wang

First person action recognition is an increasingly researched topic because of the growing popularity of wearable cameras. This is bringing to light cross-domain issues that are yet to be addressed in this context. Indeed, the information…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Mirco Planamente , Chiara Plizzari , Emanuele Alberti , Barbara Caputo

Egocentric videos present unique challenges for 3D scene understanding due to rapid camera motion, frequent object occlusions, and limited object visibility. This paper introduces a novel approach to instance segmentation and tracking in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Yash Bhalgat , Vadim Tschernezki , Iro Laina , João F. Henriques , Andrea Vedaldi , Andrew Zisserman

This paper presents a new self-supervised system for learning to detect novel and previously unseen categories of objects in images. The proposed system receives as input several unlabeled videos of scenes containing various objects. The…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Juntao Tan , Changkyu Song , Abdeslam Boularias

Surveillance cameras are widely applied for indoor occupancy measurement and human movement perception, which benefit for building energy management and social security. To address the challenges of limited view angle of single camera as…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Ping Zhang , Zhenxiang Tao , Wenjie Yang , Minze Chen , Shan Ding , Xiaodong Liu , Rui Yang , Hui Zhang

In this paper, a simple yet efficient activity recognition method for first-person video is introduced. The proposed method is appropriate for representation of high-dimensional features such as those extracted from convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Reza Kahani , Alireza Talebpour , Ahmad Mahmoudi-Aznaveh

The modern image search system requires semantic understanding of image, and a key yet under-addressed problem is to learn a good metric for measuring the similarity between images. While deep metric learning has yielded impressive…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Jian Wang , Feng Zhou , Shilei Wen , Xiao Liu , Yuanqing Lin

In recent years, person re-identification (re-id) catches great attention in both computer vision community and industry. In this paper, we propose a new framework for person re-identification with a triplet-based deep similarity learning…

Computer Vision and Pattern Recognition · Computer Science 2018-02-12 Wentong Liao , Michael Ying Yang , Ni Zhan , Bodo Rosenhahn

Video surveillance can be significantly enhanced by using both top-view data, e.g., those from drone-mounted cameras in the air, and horizontal-view data, e.g., those from wearable cameras on the ground. Collaborative analysis of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Ruize Han , Yujun Zhang , Wei Feng , Chenxing Gong , Xiaoyu Zhang , Jiewen Zhao , Liang Wan , Song Wang

In this work, we consider the problem of estimating the 3D position of multiple humans in a scene as well as their body shape and articulation from a single RGB video recorded with a static camera. In contrast to expensive marker-based or…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Diogo Luvizon , Marc Habermann , Vladislav Golyanik , Adam Kortylewski , Christian Theobalt

Multi-face tracking in unconstrained videos is a challenging problem as faces of one person often appear drastically different in multiple shots due to significant variations in scale, pose, expression, illumination, and make-up. Existing…

Computer Vision and Pattern Recognition · Computer Science 2017-10-06 Shun Zhang , Jia-Bin Huang , Jongwoo Lim , Yihong Gong , Jinjun Wang , Narendra Ahuja , Ming-Hsuan Yang

We address the challenging task of video-based person re-identification. Recent works have shown that splitting the video sequences into clips and then aggregating clip based similarity is appropriate for the task. We show that using a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Neeraj Matiyali , Gaurav Sharma

Recent works on dynamic 3D neural field reconstruction assume the input from synchronized multi-view videos whose poses are known. The input constraints are often not satisfied in real-world setups, making the approach impractical. We show…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Changwoon Choi , Jeongjun Kim , Geonho Cha , Minkwan Kim , Dongyoon Wee , Young Min Kim