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Photographs of wild animals in their natural habitats can be recorded unobtrusively via cameras that are triggered by motion nearby. The installation of such camera traps is becoming increasingly common across the world. Although this is a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Rita Pucci , Jitendra Shankaraiah , Devcharan Jathanna , Ullas Karanth , Kartic Subr

Non intrusive monitoring of animals in the wild is possible using camera trapping framework, which uses cameras triggered by sensors to take a burst of images of animals in their habitat. However camera trapping framework produces a high…

Computer Vision and Pattern Recognition · Computer Science 2016-03-23 Alexander Gomez , Augusto Salazar , Francisco Vargas

The manual processing and analysis of videos from camera traps is time-consuming and includes several steps, ranging from the filtering of falsely triggered footage to identifying and re-identifying individuals. In this study, we developed…

Having accurate, detailed, and up-to-date information about the location and behavior of animals in the wild would revolutionize our ability to study and conserve ecosystems. We investigate the ability to automatically, accurately, and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-17 Mohammed Sadegh Norouzzadeh , Anh Nguyen , Margaret Kosmala , Ali Swanson , Meredith Palmer , Craig Packer , Jeff Clune

Deep learning methods for computer vision tasks show promise for automating the data analysis of camera trap images. Ecological camera traps are a common approach for monitoring an ecosystem's animal population, as they provide continual…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Stefan Schneider , Graham W. Taylor , Stefan C. Kremer

Individual identification is essential to animal behavior and ecology research and is of significant importance for protecting endangered species. Red pandas, among the world's rarest animals, are currently identified mainly by visual…

Computer Vision and Pattern Recognition · Computer Science 2019-08-12 Qi He , Qijun Zhao , Ning Liu , Peng Chen , Zhihe Zhang , Rong Hou

We propose the first multi-frame video object detection framework trained to detect great apes. It is applicable to challenging camera trap footage in complex jungle environments and extends a traditional feature pyramid architecture by…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Xinyu Yang , Majid Mirmehdi , Tilo Burghardt

Camera traps are a proven tool in biology and specifically biodiversity research. However, camera traps including depth estimation are not widely deployed, despite providing valuable context about the scene and facilitating the automation…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Timm Haucke , Volker Steinhage

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

Reliable markerless motion tracking of people participating in a complex group activity from multiple moving cameras is challenging due to frequent occlusions, strong viewpoint and appearance variations, and asynchronous video streams. To…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Minh Vo , Ersin Yumer , Kalyan Sunkavalli , Sunil Hadap , Yaser Sheikh , Srinivasa Narasimhan

This paper considers the problem of detecting and tracking objects in a sequence of images. The problem is formulated in a filtering framework, using the output of object-detection algorithms as measurements. An extension to the filtering…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Magnus Malmström , Anton Kullberg , Isaac Skog , Daniel Axehill , Fredrik Gustafsson

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

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

Camera traps are revolutionising wildlife monitoring by capturing vast amounts of visual data; however, the manual identification of individual animals remains a significant bottleneck. This study introduces a fully self-supervised approach…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Vladimir Iashin , Horace Lee , Dan Schofield , Andrew Zisserman

Humans are able to categorize images very efficiently, in particular to detect the presence of an animal very quickly. Recently, deep learning algorithms based on convolutional neural networks (CNNs) have achieved higher than human accuracy…

Neurons and Cognition · Quantitative Biology 2023-06-01 Jean-Nicolas Jérémie , Laurent U Perrinet

Monitoring animal populations is crucial for assessing the health of ecosystems. Traditional methods, which require extensive fieldwork, are increasingly being supplemented by time-lapse camera-trap imagery combined with an automatic…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Marcus Jenkins , Kirsty A. Franklin , Malcolm A. C. Nicoll , Nik C. Cole , Kevin Ruhomaun , Vikash Tatayah , Michal Mackiewicz

Camera traps have revolutionized the animal research of many species that were previously nearly impossible to observe due to their habitat or behavior. They are cameras generally fixed to a tree that take a short sequence of images when…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Pierrick Pochelu , Clara Erard , Philippe Cordier , Serge G. Petiton , Bruno Conche

The highest accuracy object detectors to date are based either on a two-stage approach such as Fast R-CNN or one-stage detectors such as Retina-Net or SSD with deep and complex backbones. In this paper we present TigerNet - simple yet…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Orest Kupyn , Dmitry Pranchuk

Our understanding of collective animal behavior is limited by our ability to track each of the individuals. We describe an algorithm and software, idtracker.ai, that extracts from video all trajectories with correct identities at a high…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Francisco Romero-Ferrero , Mattia G. Bergomi , Robert Hinz , Francisco J. H. Heras , Gonzalo G. de Polavieja

Camera trapping is increasingly used to monitor wildlife, but this technology typically requires extensive data annotation. Recently, deep learning has significantly advanced automatic wildlife recognition. However, current methods are…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Zhongqi Miao , Ziwei Liu , Kaitlyn M. Gaynor , Meredith S. Palmer , Stella X. Yu , Wayne M. Getz
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