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200 papers

Giant panda (panda) is a highly endangered animal. Significant efforts and resources have been put on panda conservation. To measure effectiveness of conservation schemes, estimating its population size in wild is an important task. The…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Wojciech Michal Matkowski , Adams Wai Kin Kong , Han Su , Peng Chen , Rong Hou , Zhihe Zhang

Machine-learning excels in many areas with well-defined goals. However, a clear goal is usually not available in art forms, such as photography. The success of a photograph is measured by its aesthetic value, a very subjective concept. This…

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 Hui Fang , Meng Zhang

The hypothesis that image datasets gathered online "in the wild" can produce biased object recognizers, e.g. preferring professional photography or certain viewing angles, is studied. A new "in the lab" data collection infrastructure is…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Brandon Leung , Chih-Hui Ho , Amir Persekian , David Orozco , Yen Chang , Erik Sandstrom , Bo Liu , Nuno Vasconcelos

We present an image caption system that addresses new challenges of automatically describing images in the wild. The challenges include high quality caption quality with respect to human judgments, out-of-domain data handling, and low…

Computer Vision and Pattern Recognition · Computer Science 2016-04-01 Kenneth Tran , Xiaodong He , Lei Zhang , Jian Sun , Cornelia Carapcea , Chris Thrasher , Chris Buehler , Chris Sienkiewicz

The use of gait for person identification has important advantages such as being non-invasive, unobtrusive, not requiring cooperation and being less likely to be obscured compared to other biometrics. Existing methods for gait recognition…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Adrian Cosma , Emilian Radoi

Large-scale, volunteer-collected datasets of community-identified natural world imagery like iNaturalist have enabled marked performance gains for fine-grained visual classification of species using machine learning methods. However, such…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Elena Sierra , Lauren E. Gillespie , Salim Soltani , Moises Exposito-Alonso , Teja Kattenborn

Multi-target multi-camera tracking is a crucial task that involves identifying and tracking individuals over time using video streams from multiple cameras. This task has practical applications in various fields, such as visual…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Sanghyun Woo , Kwanyong Park , Inkyu Shin , Myungchul Kim , In So Kweon

Correctly identifying crosswalks is an essential task for the driving activity and mobility autonomy. Many crosswalk classification, detection and localization systems have been proposed in the literature over the years. These systems use…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Rodrigo F. Berriel , Franco Schmidt Rossi , Alberto F. de Souza , Thiago Oliveira-Santos

Recognising relevant objects or object states in its environment is a basic capability for an autonomous robot. The dominant approach to object recognition in images and range images is classification by supervised machine learning,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Mikhail Usvyatsov , Konrad Schindler

Face anti-spoofing (FAS) is an essential mechanism for safeguarding the integrity of automated face recognition systems. Despite substantial advancements, the generalization of existing approaches to real-world applications remains…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Dong Wang , Jia Guo , Qiqi Shao , Haochi He , Zhian Chen , Chuanbao Xiao , Ajian Liu , Sergio Escalera , Hugo Jair Escalante , Zhen Lei , Jun Wan , Jiankang Deng

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

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

Video quality assessment (VQA) is an important problem in computer vision. The videos in computer vision applications are usually captured in the wild. We focus on automatically assessing the quality of in-the-wild videos, which is a…

Computer Vision and Pattern Recognition · Computer Science 2021-02-11 Dingquan Li , Tingting Jiang , Ming Jiang

The deep neural networks used in modern computer vision systems require enormous image datasets to train them. These carefully-curated datasets typically have a million or more images, across a thousand or more distinct categories. The…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Connor Anderson , Ryan Farrell

Fisheye cameras are commonly employed for obtaining a large field of view in surveillance, augmented reality and in particular automotive applications. In spite of their prevalence, there are few public datasets for detailed evaluation of…

As is true of many complex tasks, the work of discovering, describing, and understanding the diversity of life on Earth (viz., biological systematics and taxonomy) requires many tools. Some of this work can be accomplished as it has been…

Machine Learning · Statistics 2023-11-16 Li Xu , Yili Hong , Eric P. Smith , David S. McLeod , Xinwei Deng , Laura J. Freeman

Deep supervised models have an unprecedented capacity to absorb large quantities of training data. Hence, training on many datasets becomes a method of choice towards graceful degradation in unusual scenes. Unfortunately, different datasets…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Petra Bevandić , Marin Oršić , Ivan Grubišić , Josip Šarić , Siniša Šegvić

Quadrat images are essential for ecological studies, as they enable standardized sampling, the assessment of plant biodiversity, long-term monitoring, and large-scale field campaigns. These images typically cover an area of fifty…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Giulio Martellucci , Herve Goeau , Pierre Bonnet , Fabrice Vinatier , Alexis Joly

Camera traps are a method for monitoring wildlife and they collect a large number of pictures. The number of images collected of each species usually follows a long-tail distribution, i.e., a few classes have a large number of instances,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Fagner Cunha , Eulanda M. dos Santos , Juan G. Colonna

In this paper, we introduce a new dataset consisting of 360,001 focused natural language descriptions for 10,738 images. This dataset, the Visual Madlibs dataset, is collected using automatically produced fill-in-the-blank templates…

Computer Vision and Pattern Recognition · Computer Science 2015-06-02 Licheng Yu , Eunbyung Park , Alexander C. Berg , Tamara L. Berg