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Related papers: Adapting the re-ID challenge for static sensors

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This paper combines deep learning techniques for species detection, 3D model fitting, and metric learning in one pipeline to perform individual animal identification from photographs by exploiting unique coat patterns. This is the first…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Maria Stennett , Daniel I. Rubenstein , Tilo Burghardt

Photographs, taken by field scientists, tourists, automated cameras, and incidental photographers, are the most abundant source of data on wildlife today. Wildbook is an autonomous computational system that starts from massive collections…

We present the first method to perform automatic 3D pose, shape and texture capture of animals from images acquired in-the-wild. In particular, we focus on the problem of capturing 3D information about Grevy's zebras from a collection of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Silvia Zuffi , Angjoo Kanazawa , Tanya Berger-Wolf , Michael J. Black

Generalizable person re-identification (re-ID) has attracted growing attention due to its powerful adaptation capability in the unseen data domain. However, existing solutions often neglect either crossing cameras (e.g., illumination and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Xin Xu , Wei Liu , Zheng Wang , Ruiming Hu , Qi Tian

Monitoring critically endangered western lowland gorillas is currently hampered by the immense manual effort required to re-identify individuals from vast archives of camera trap footage. The primary obstacle to automating this process has…

Camera-traps is a relatively new but already popular instrument in the estimation of abundance of non-identifiable animals. Although camera-traps are convenient in application, there remain both theoretical complications such as spatial…

Quantitative Methods · Quantitative Biology 2017-03-23 Evgeny Ivanko

As of 2023, a record 117 million people have been displaced worldwide, more than double the number from a decade ago [22]. Of these, 32 million are refugees under the UNHCR mandate, with 8.7 million residing in refugee camps. A critical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Simone Fobi Nsutezo , Amrita Gupta , Duncan Kebut , Seema Iyer , Luana Marotti , Rahul Dodhia , Juan M. Lavista Ferres , Anthony Ortiz

Biodiversity conservation depends on accurate, up-to-date information about wildlife population distributions. Motion-activated cameras, also known as camera traps, are a critical tool for population surveys, as they are cheap and…

Machine Learning · Computer Science 2019-10-23 Mohammad Sadegh Norouzzadeh , Dan Morris , Sara Beery , Neel Joshi , Nebojsa Jojic , Jeff Clune

Camera traps are crucial in biodiversity motivated studies, however dealing with large number of images while annotating these data sets is a tedious and time consuming task. To speed up this process, Machine Learning approaches are a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Miroslav Valan , Lukáš Picek

This study revisits the findings of Carl et al., who evaluated the pre-trained Google Inception-ResNet-v2 model for automated detection of European wild mammal species in camera trap images. To assess the reproducibility and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Tobias Abraham Haider

Monitoring the population and movements of endangered species is an important task to wildlife conversation. Traditional tagging methods do not scale to large populations, while applying computer vision methods to camera sensor data…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Shuyuan Li , Jianguo Li , Hanlin Tang , Rui Qian , Weiyao Lin

As a basic task of multi-camera surveillance system, person re-identification aims to re-identify a query pedestrian observed from non-overlapping multiple cameras or across different time with a single camera. Recently, deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Di Wu , Kun Zhang , Fei Cheng , Yang Zhao , Qi Liu , Chang-An Yuan , De-Shuang Huang

Person re-identification is an open and challenging problem in computer vision. Existing approaches have concentrated on either designing the best feature representation or learning optimal matching metrics in a static setting where the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-13 Rameswar Panda , Amran Bhuiyan , Vittorio Murino , Amit K. Roy-Chowdhury

The ability of a researcher to re-identify (re-ID) an individual animal upon re-encounter is fundamental for addressing a broad range of questions in the study of ecosystem function, community and population dynamics, and behavioural…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Stefan Schneider , Graham W. Taylor , Stefan S. Linquist , Stefan C. Kremer

Crowd counting from unconstrained scene images is a crucial task in many real-world applications like urban surveillance and management, but it is greatly challenged by the camera's perspective that causes huge appearance variations in…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Lingbo Liu , Hongjun Wang , Guanbin Li , Wanli Ouyang , Liang Lin

Person re-identification (Re-ID) is a key challenge in computer vision, requiring the matching of individuals across cameras, locations, and time. While most research focuses on short-term scenarios with minimal appearance changes,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Bessie Dominguez-Dager , Felix Escalona , Francisco Gomez-Donoso , Miguel Cazorla

Computer vision-based re-identification (Re-ID) systems are increasingly being deployed for estimating population size in large image collections. However, the estimated size can be significantly inaccurate when the task is challenging or…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Gustavo Perez , Daniel Sheldon , Grant Van Horn , Subhransu Maji

Visual animal biometrics is rapidly gaining popularity as it enables a non-invasive and cost-effective approach for wildlife monitoring applications. Widespread usage of camera traps has led to large volumes of collected images, making…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Gullal Singh Cheema , Saket Anand

Person reidentification (ReID) refers to the task of verifying the identity of a pedestrian observed from nonoverlapping views in a surveillance camera network. It has recently been validated that reranking can achieve remarkable…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Ruo-Pei Guo , Chun-Guang Li , Yonghua Li , Jiaru Lin , Jun Guo

Biologists all over the world use camera traps to monitor biodiversity and wildlife population density. The computer vision community has been making strides towards automating the species classification challenge in camera traps, but it…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Sara Beery , Dan Morris , Siyu Yang
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