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Efficiently merging several models fine-tuned for different tasks, but stemming from the same pretrained base model, is of great practical interest. Despite extensive prior work, most evaluations of model merging in computer vision are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Pau de Jorge , César Roberto de Souza , Björn Michele , Mert Bülent Sarıyıldız , Philippe Weinzaepfel , Florent Perronnin , Diane Larlus , Yannis Kalantidis

In predictive tasks, real-world datasets often present different degrees of imbalanced (i.e., long-tailed or skewed) distributions. While the majority (the head) classes have sufficient samples, the minority (the tail) classes can be…

Machine Learning · Computer Science 2021-09-14 Chongsheng Zhang , Paolo Soda , Jingjun Bi , Gaojuan Fan , George Almpanidis , Salvador Garcia

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

Most state-of-the-art computer vision models heavily depend on data. However, many datasets exhibit extreme class imbalance which has been shown to negatively impact model performance. Among the training-time and data-generation solutions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Indu Panigrahi , Richard Zhu

In real-world classification tasks, each class often comprises multiple finer-grained "subclasses." As the subclass labels are frequently unavailable, models trained using only the coarser-grained class labels often exhibit highly variable…

Machine Learning · Computer Science 2022-04-12 Nimit S. Sohoni , Jared A. Dunnmon , Geoffrey Angus , Albert Gu , Christopher Ré

Usually, Neural Networks models are trained with a large dataset of images in homogeneous backgrounds. The issue is that the performance of the network models trained could be significantly degraded in a complex and heterogeneous…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Vinorth Varatharasan , Hyo-Sang Shin , Antonios Tsourdos , Nick Colosimo

Object recognition and localization are important tasks in computer vision. The focus of this work is the incorporation of contextual information in order to improve object recognition and localization. For instance, it is natural to expect…

Computer Vision and Pattern Recognition · Computer Science 2013-12-23 Samy Bengio , Jeff Dean , Dumitru Erhan , Eugene Ie , Quoc Le , Andrew Rabinovich , Jonathon Shlens , Yoram Singer

Computer vision can accelerate ecology research by automating the analysis of raw imagery from sensors like camera traps, drones, and satellites. However, computer vision is an emerging discipline that is rarely taught to ecologists. This…

Computers and Society · Computer Science 2023-01-06 Elijah Cole , Suzanne Stathatos , Björn Lütjens , Tarun Sharma , Justin Kay , Jason Parham , Benjamin Kellenberger , Sara Beery

Recent methodological advances are enabling better examination of speciation and extinction processes and patterns. A major open question is the origin of large discrepancies in species number between groups of the same age. Existing…

Populations and Evolution · Quantitative Biology 2015-09-01 Sacha Laurent , Marc Robinson-Rechavi , Nicolas Salamin

Efficient wildlife monitoring methods are necessary for biodiversity conservation and management. The combination of remote sensing, aerial imagery and deep learning offer promising opportunities to renew or improve existing survey methods.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Camille Dionne-Pierre , Samuel Foucher , Jérôme Théau , Jérôme Lemaître , Patrick Charbonneau , Maxime Brousseau , Mathieu Varin

Deep convolution networks have proved very successful with big datasets such as the 1000-classes ImageNet. Results show that the error rate increases slowly as the size of the dataset increases. Experiments presented here may explain why…

Computer Vision and Pattern Recognition · Computer Science 2018-02-22 Mohamed Hajaj , Duncan Gillies

Traditional single-task image restoration methods excel in handling specific degradation types but struggle with multiple degradations. To address this limitation, we propose Grouped Restoration with Image Degradation Similarity (GRIDS), a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Shuo Cao , Yihao Liu , Wenlong Zhang , Yu Qiao , Chao Dong

In both terrestrial and marine ecology, physical tagging is a frequently used method to study population dynamics and behavior. However, such tagging techniques are increasingly being replaced by individual re-identification using image…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Ørjan Langøy Olsen , Tonje Knutsen Sørdalen , Morten Goodwin , Ketil Malde , Kristian Muri Knausgård , Kim Tallaksen Halvorsen

Monitoring feeding behaviour is a relevant task for efficient herd management and the effective use of available resources in grazing cattle. The ability to automatically recognise animals' feeding activities through the identification of…

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

Collective animal movement fascinates children and scientists alike. One of the most commonly given explanations for collective animal movement is improved foraging. Animals are hypothesized to gain from searching for food in groups. Here,…

Multiagent Systems · Computer Science 2019-04-08 Ravid Cohen , Yossi Yovel , Dan Halperin

In nature, the collective behavior of animals, such as flying birds is dominated by the interactions between individuals of the same species. However, the study of such behavior among the bird species is a complex process that humans cannot…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Seyed Mojtaba Marvasti-Zadeh , Mohammad N. S. Jahromi , Javad Khaghani , Devin Goodsman , Nilanjan Ray , Nadir Erbilgin

Climate change and other anthropogenic factors have led to a catastrophic decline in insects, endangering both biodiversity and the ecosystem services on which human society depends. Data on insect abundance, however, remains woefully…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Aditya Jain , Fagner Cunha , Michael Bunsen , Léonard Pasi , Anna Viklund , Maxim Larrivée , David Rolnick

Model merging combines fine-tuned checkpoints into a single multi-task model without retraining. Existing methods - such as task arithmetic, model soups, TIES, and DARE - are computationally efficient and empirically successful, but rely on…

Machine Learning · Computer Science 2026-05-29 Bethan Evans , Benjamin Etheridge , Stephen Roberts , Jared Tanner

Photo-identification (photo-id) is one of the main non-invasive capture-recapture methods utilised by marine researchers for monitoring cetacean (dolphin, whale, and porpoise) populations. This method has historically been performed…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Cameron Trotter , Nick Wright , A. Stephen McGough , Matt Sharpe , Barbara Cheney , Mònica Arso Civil , Reny Tyson Moore , Jason Allen , Per Berggren