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Wildlife ReID involves utilizing visual technology to identify specific individuals of wild animals in different scenarios, holding significant importance for wildlife conservation, ecological research, and environmental monitoring.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Chenyue Li , Shuoyi Chen , Mang Ye

Recent work has established the ecological importance of developing algorithms for identifying animals individually from images. Typically, a separate algorithm is trained for each species, a natural step but one that creates significant…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Lasha Otarashvili , Tamilselvan Subramanian , Jason Holmberg , J. J. Levenson , Charles V. Stewart

Reliable re-identification of individuals within large wildlife populations is crucial for biological studies, ecological research, and wildlife conservation. Classic computer vision techniques offer a promising direction for Animal…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Yihao Wu , Di Zhao , Jingfeng Zhang , Yun Sing Koh

Camera-based animal re-identification (Animal Re-ID) can support wildlife monitoring and precision livestock management in large outdoor environments with limited wireless connectivity. In these settings, inference must run directly on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Yubo Chen , Di Zhao , Yun Sing Koh , Talia Xu

Animal re-identification (ReID) has become an indispensable tool in ecological research, playing a critical role in tracking population dynamics, analyzing behavioral patterns, and assessing ecological impacts, all of which are vital for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Yuhao Lin , Lingqiao Liu , Javen Shi

In this paper, we present WildlifeDatasets (https://github.com/WildlifeDatasets/wildlife-datasets) - an open-source toolkit intended primarily for ecologists and computer-vision / machine-learning researchers. The WildlifeDatasets is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Vojtěch Čermák , Lukas Picek , Lukáš Adam , Kostas Papafitsoros

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

Person re-identification (ReID) has made great strides thanks to the data-driven deep learning techniques. However, the existing benchmark datasets lack diversity, and models trained on these data cannot generalize well to dynamic wild…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Lei Zhang , Xiaowei Fu , Fuxiang Huang , Yi Yang , Xinbo Gao

Wildlife re-identification aims to recognise individual animals by matching query images to a database of previously identified individuals, based on their fine-scale unique morphological characteristics. Current state-of-the-art models for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Thanos Polychronou , Lukáš Adam , Viktor Penchev , Kostas Papafitsoros

Animal Re-ID has recently gained substantial attention in the AI research community due to its high impact on biodiversity monitoring and unique research challenges arising from environmental factors. The subtle distinguishing patterns,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Depanshu Sani , Mehar Khurana , Saket Anand

Depth estimation and 3D reconstruction have been extensively studied as core topics in computer vision. Starting from rigid objects with relatively simple geometric shapes, such as vehicles, the research has expanded to address general…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Muhammad Aamir , Naoya Muramatsu , Sangyun Shin , Matthew Wijers , Jia-Xing Zhong , Xinyu Hou , Amir Patel , Andrew Loveridge , Andrew Markham

Person re-identification (ReID) plays a critical role in intelligent surveillance systems by linking identities across multiple cameras in complex environments. However, ReID faces significant challenges such as appearance variations,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Dang H. Pham , Tu N. Nguyen , Hoa N. Nguyen

Camera trap imagery has become an invaluable asset in contemporary wildlife surveillance, enabling researchers to observe and investigate the behaviors of wild animals. While existing methods rely solely on image data for classification,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Aslak Tøn , Ammar Ahmed , Ali Shariq Imran , Mohib Ullah , R. Muhammad Atif Azad

Person re-identification (ReID) is an extremely important area in both surveillance and mobile applications, requiring strong accuracy with minimal computational cost. State-of-the-art methods give good accuracy but with high computational…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Anns Ijaz , Muhammad Azeem Javed

Conventional person re-identification (ReID) research is often limited to single-modality sensor data from static cameras, which fails to address the complexities of real-world scenarios where multi-modal signals are increasingly prevalent.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Ruiyang Ha , Songyi Jiang , Bin Li , Bikang Pan , Yihang Zhu , Junjie Zhang , Xiatian Zhu , Shaogang Gong , Jingya Wang

Person re-identification(ReID), as a crucial technology in the field of security, plays a vital role in safety inspections, personnel counting, and more. Most current ReID approaches primarily extract features from images, which are easily…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Chen Mao , Chong Tan , Jingqi Hu , Min Zheng

Object Re-identification (Re-ID) aims to identify specific objects across different times and scenes, which is a widely researched task in computer vision. For a prolonged period, this field has been predominantly driven by deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Mang Ye , Shuoyi Chen , Chenyue Li , Wei-Shi Zheng , David Crandall , Bo Du

Multimodal Re-Identification (ReID) is a popular retrieval task that aims to re-identify objects across diverse data streams, prompting many researchers to integrate multiple modalities into a unified representation. While such fusion…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Jennifer Crawford , Haoli Yin , Luke McDermott , Daniel Cummings

Animal re-identification (ReID) faces critical challenges due to viewpoint variations, particularly in Aerial-Ground (AG-ReID) settings where models must match individuals across drastic elevation changes. However, existing datasets lack…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 William Grolleau , Achraf Chaouch , Astrid Sabourin , Guillaume Lapouge , Catherine Achard

This paper introduces WildlifeReID-10k, a new large-scale re-identification benchmark with more than 10k animal identities of around 33 species across more than 140k images, re-sampled from 37 existing datasets. WildlifeReID-10k covers…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Lukáš Adam , Vojtěch Čermák , Kostas Papafitsoros , Lukas Picek
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