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Zooplankton images, like many other real world data types, have intrinsic properties that make the design of effective classification systems difficult. For instance, the number of classes encountered in practical settings is potentially…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Ketil Malde , Hyeongji Kim

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

Automated scoring of free drawings or images as responses has yet to be utilized in large-scale assessments of student achievement. In this study, we propose artificial neural networks to classify these types of graphical responses from a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Matthias von Davier , Lillian Tyack , Lale Khorramdel

We propose a random convolutional neural network to generate a feature space in which we study image classification and retrieval performance. Put briefly we apply random convolutional blocks followed by global average pooling to generate a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Yunzhe Xue , Usman Roshan

A major challenge in rare animal image classification is the scarcity of data, as many species usually have only a small number of labeled samples. To address this challenge, we designed a hybrid deep-learning framework comprising a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Ziyue Kang , Weichuan Zhang

Convolutional neural networks trained using manually generated labels are commonly used for semantic or instance segmentation. In precision agriculture, automated flower detection methods use supervised models and post-processing techniques…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Abubakar Siddique , Amy Tabb , Henry Medeiros

Image classification has advanced significantly in recent years with the availability of large-scale image sets. However, fine-grained classification remains a major challenge due to the annotation cost of large numbers of fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2016-04-21 Zeynep Akata , Scott Reed , Daniel Walter , Honglak Lee , Bernt Schiele

The keep-growing content of Web images may be the next important data source to scale up deep neural networks, which recently obtained a great success in the ImageNet classification challenge and related tasks. This prospect, however, has…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Phong D. Vo , Alexandru Ginsca , Hervé Le Borgne , Adrian Popescu

Applying convolutional neural networks to large images is computationally expensive because the amount of computation scales linearly with the number of image pixels. We present a novel recurrent neural network model that is capable of…

Machine Learning · Computer Science 2014-06-25 Volodymyr Mnih , Nicolas Heess , Alex Graves , Koray Kavukcuoglu

Caribou across the Arctic has declined in recent decades, motivating scalable and accurate monitoring approaches to guide evidence-based conservation actions and policy decisions. Manual interpretation from this imagery is labor-intensive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Ghazaleh Serati , Samuel Foucher , Jerome Theau

As most ''in the wild'' data collections of the natural world, the North America Camera Trap Images (NACTI) dataset shows severe long-tailed class imbalance, noting that the largest 'Head' class alone covers >50% of the 3.7M images in the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Zehua Liu , Tilo Burghardt

Over the last years, advancements in deep learning models for computer vision have led to a dramatic improvement in their image classification accuracy. However, models with a higher accuracy in the task they were trained on do not…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Fritz Günther , Marco Marelli , Marco Alessandro Petilli

Understanding the spatio-temporal distribution of species is a cornerstone of ecology and conservation. By pairing species observations with geographic and environmental predictors, researchers can model the relationship between an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Christophe Botella , Benjamin Deneu , Diego Marcos , Maximilien Servajean , Theo Larcher , Cesar Leblanc , Joaquim Estopinan , Pierre Bonnet , Alexis Joly

Generative models have made immense progress in recent years, particularly in their ability to generate high quality images. However, that quality has been difficult to evaluate rigorously, with evaluation dominated by heuristic approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Y. Alex Kolchinski , Sharon Zhou , Shengjia Zhao , Mitchell Gordon , Stefano Ermon

The convolutional neural networks (CNNs) trained on ILSVRC12 ImageNet were the backbone of various applications as a generic classifier, a feature extractor or a base model for transfer learning. This paper describes automated heuristics…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Csaba Kertész

Perceptual distances between images, as measured in the space of pre-trained deep features, have outperformed prior low-level, pixel-based metrics on assessing perceptual similarity. While the capabilities of older and less accurate models…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Manoj Kumar , Neil Houlsby , Nal Kalchbrenner , Ekin D. Cubuk

Camera model identification has earned paramount importance in the field of image forensics with an upsurge of digitally altered images which are constantly being shared through websites, media, and social applications. But, the task of…

Image and Video Processing · Electrical Eng. & Systems 2019-05-28 Abdul Muntakim Rafi , Uday Kamal , Rakibul Hoque , Abid Abrar , Sowmitra Das , Robert Laganière , Md. Kamrul Hasan

Discovery of microRNAs (miRNAs) relies on predictive models for characteristic features from miRNA precursors (pre-miRNAs). The short length of miRNA genes and the lack of pronounced sequence features complicate this task. To accommodate…

Monitoring forest dynamics at an individual tree scale is essential for accurately assessing ecosystem responses to climate change, yet traditional methods relying on field-based forest inventories are labor-intensive and limited in spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Matthew J. Allen , Harry J. F. Owen , Stuart W. D. Grieve , Emily R. Lines

Most of the achievements in artificial intelligence so far were accomplished by supervised learning which requires numerous annotated training data and thus costs innumerable manpower for labeling. Unsupervised learning is one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Mingxiang Chen , Zhanguo Chang , Haonan Lu , Bitao Yang , Zhuang Li , Liufang Guo , Zhecheng Wang