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Automated animal censuses with aerial imagery are a vital ingredient towards wildlife conservation. Recent models are generally based on deep learning and thus require vast amounts of training data. Due to their scarcity and minuscule size,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Xiaochen Zheng , Benjamin Kellenberger , Rui Gong , Irena Hajnsek , Devis Tuia

Large image collections generated from camera traps offer valuable insights into species richness, occupancy, and activity patterns, significantly aiding biodiversity monitoring. However, the manual processing of these datasets is…

Advances in image restoration and enhancement techniques have led to discussion about how such algorithmscan be applied as a pre-processing step to improve automatic visual recognition. In principle, techniques like deblurring and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-30 Rosaura G. Vidal , Sreya Banerjee , Klemen Grm , Vitomir Struc , Walter J. Scheirer

Visuals captured by high-flying aerial drones are increasingly used to assess biodiversity and animal population dynamics around the globe. Yet, challenging acquisition scenarios and tiny animal depictions in airborne imagery, despite…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Mowen Xue , Theo Greenslade , Majid Mirmehdi , Tilo Burghardt

We are losing biodiversity at an unprecedented scale and in many cases, we do not even know the basic data for the species. Traditional methods for wildlife monitoring are inadequate. Development of new computer vision tools enables the use…

Machine Learning · Computer Science 2019-08-08 Matteo Foglio , Lorenzo Semeria , Guido Muscioni , Riccardo Pressiani , Tanya Berger-Wolf

Fine-grained classification of microscopic image data with limited samples is an open problem in computer vision and biomedical imaging. Deep learning based vision systems mostly deal with high number of low-resolution images, whereas…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Mengran Fan , Tapabrata Chakrabort , Eric I-Chao Chang , Yan Xu , Jens Rittscher

The increasing need for automated visual monitoring and control for applications such as smart camera surveillance, traffic monitoring, and intelligent environments, necessitates the improvement of methods for visual active monitoring.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Christos Kyrkou

Identifying individual animals is crucial for many biological investigations. In response to some of the limitations of current identification methods, new automated computer vision approaches have emerged with strong performance. Here, we…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Maxime Vidal , Nathan Wolf , Beth Rosenberg , Bradley P. Harris , Alexander Mathis

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

Fine-grained image analysis (FGIA) is a longstanding and fundamental problem in computer vision and pattern recognition, and underpins a diverse set of real-world applications. The task of FGIA targets analyzing visual objects from…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Xiu-Shen Wei , Yi-Zhe Song , Oisin Mac Aodha , Jianxin Wu , Yuxin Peng , Jinhui Tang , Jian Yang , Serge Belongie

Uses of underwater videos to assess diversity and abundance of fish are being rapidly adopted by marine biologists. Manual processing of videos for quantification by human analysts is time and labour intensive. Automatic processing of…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Ranju Mandal , Rod M. Connolly , Thomas A. Schlacherz , Bela Stantic

The rapid advancement of generative Artificial Intelligence (AI) has introduced significant challenges for reliable AI-generated image detection. Existing detectors often suffer from performance degradation under distribution shifts and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Thanasis Pantsios , Dimitrios Karageorgiou , Christos Koutlis , George Karantaidis , Olga Papadopoulou , Symeon Papadopoulos

State-of-the-art methods for zero-shot visual recognition formulate learning as a joint embedding problem of images and side information. In these formulations the current best complement to visual features are attributes: manually encoded…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Scott Reed , Zeynep Akata , Bernt Schiele , Honglak Lee

Fine-grained visual classification aims to recognize images belonging to multiple sub-categories within a same category. It is a challenging task due to the inherently subtle variations among highly-confused categories. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Tian Zhang , Dongliang Chang , Zhanyu Ma , Jun Guo

Convolutional networks trained on large supervised dataset produce visual features which form the basis for the state-of-the-art in many computer-vision problems. Further improvements of these visual features will likely require even larger…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Armand Joulin , Laurens van der Maaten , Allan Jabri , Nicolas Vasilache

Herbarium contains treasures of millions of specimens which have been preserved for several years for scientific studies. To speed up more scientific discoveries, a digitization of these specimens is currently on going to facilitate easy…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Burhan Rashid Hussein , Owais Ahmed Malik , Wee-Hong Ong , Johan Willem Frederik Slik

Prior work on plant species classification predominantly focuses on building models from isolated plant attributes. Hence, there is a need for tools that can assist in species identification in the natural world. We present a novel and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Dewald Homan , Johan A. du Preez

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

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…

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen