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Over the past decade network theory has been applied successfully to the study of a variety of complex adaptive systems. However, the application of these techniques to non-human social networks has several shortfalls. Firstly, in most…

Populations and Evolution · Quantitative Biology 2009-03-10 David Lusseau , Hal Whitehead , Shane Gero

Pose estimation in the wild is a challenging problem, particularly in situations of (i) occlusions of varying degrees and (ii) crowded outdoor scenes. Most of the existing studies of pose estimation did not report the performance in similar…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Sudip Das , Perla Sai Raj Kishore , Ujjwal Bhattacharya

Camera traps, unmanned observation devices, and deep learning-based image recognition systems have greatly reduced human effort in collecting and analyzing wildlife images. However, data collected via above apparatus exhibits 1) long-tailed…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Jeongsoo Kim , Sangmin Woo , Byeongjun Park , Changick Kim

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

With the internet, a massive amount of information on species abundance can be collected under citizen science programs. However, these data are often difficult to use directly in statistical inference, as their collection is generally…

Applications · Statistics 2015-02-27 Christophe Giraud , Clément Calenge , Camille Coron , Romain Julliard

With the rapid advancements in deep learning techniques, wearable sensor-aided animal activity recognition (AAR) has demonstrated promising performance, thereby improving livestock management efficiency as well as animal health and welfare…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Axiu Mao , Meilu Zhu , Lei Shen , Xiaoshuai Wang , Tomas Norton , Kai Liu

A crowd density forecasting task aims to predict how the crowd density map will change in the future from observed past crowd density maps. However, the past crowd density maps are often incomplete due to the miss-detection of pedestrians,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Ryo Fujii , Ryo Hachiuma , Hideo Saito

Mobile Crowd Sensing (MCS) is a promising paradigm that leverages mobile users and their smart portable devices to perform various real-world tasks. However, due to budget constraints and the inaccessibility of certain areas, Sparse MCS has…

Machine Learning · Computer Science 2024-08-30 Ziyu Sun , Haoyang Su , Hanqi Sun , En Wang , Wenbin Liu

We introduce Time-Conditioned Contraction Matching (TCCM), a novel method for semi-supervised anomaly detection in tabular data. TCCM is inspired by flow matching, a recent generative modeling framework that learns velocity fields between…

Machine Learning · Computer Science 2025-10-22 Zhong Li , Qi Huang , Yuxuan Zhu , Lincen Yang , Mohammad Mohammadi Amiri , Niki van Stein , Matthijs van Leeuwen

Numerous fields, such as ecology, biology, and neuroscience, use animal recordings to track and measure animal behaviour. Over time, a significant volume of such data has been produced, but some computer vision techniques cannot explore it…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Jose Sosa , Sharn Perry , Jane Alty , David Hogg

In the recent past, the computer vision community has developed centralized benchmarks for the performance evaluation of a variety of tasks, including generic object and pedestrian detection, 3D reconstruction, optical flow, single-object…

Computer Vision and Pattern Recognition · Computer Science 2015-04-09 Laura Leal-Taixé , Anton Milan , Ian Reid , Stefan Roth , Konrad Schindler

Camera traps have long been used by wildlife researchers to monitor and study animal behavior, population dynamics, habitat use, and species diversity in a non-invasive and efficient manner. While data collection from the field has…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Bernie Boscoe , Shawn Johnson , Andrea Osbon , Chandler Campbell , Karen Mager

The two dominant approaches for the analysis of species-habitat associations in animals have been shown to reach divergent conclusions. Models fitted from the viewpoint of an individual (step selection functions), once scaled up, do not…

Quantitative Methods · Quantitative Biology 2018-06-27 Théo Michelot , Paul G. Blackwell , Jason Matthiopoulos

We address the problem of making human motion capture in the wild more practical by using a small set of inertial sensors attached to the body. Since the problem is heavily under-constrained, previous methods either use a large number of…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Timo von Marcard , Bodo Rosenhahn , Michael J. Black , Gerard Pons-Moll

Accurate object pose estimation using multi-modal perception such as visual and tactile sensing have been used for autonomous robotic manipulators in literature. Due to variation in density of visual and tactile data, we previously proposed…

Robotics · Computer Science 2022-05-11 Prajval Kumar Murali , Ravinder Dahiya , Mohsen Kaboli

Much environmental enforcement in the United States has historically relied on either self-reported data or physical, resource-intensive, infrequent inspections. Advances in remote sensing and computer vision, however, have the potential to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Ben Chugg , Brandon Anderson , Seiji Eicher , Sandy Lee , Daniel E. Ho

Multi-camera dynamic Augmented Reality (AR) applications require a camera pose estimation to leverage individual information from each camera in one common system. This can be achieved by combining contextual information, such as markers or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Shiyu Li , Hannah Schieber , Kristoffer Waldow , Benjamin Busam , Julian Kreimeier , Daniel Roth

We study the inverse problem of estimating n locations $t_1, ..., t_n$ (up to global scale, translation and negation) in $R^d$ from noisy measurements of a subset of the (unsigned) pairwise lines that connect them, that is, from noisy…

Computer Vision and Pattern Recognition · Computer Science 2015-01-19 Onur Ozyesil , Amit Singer , Ronen Basri

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

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