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Learning robust representations of polyp tracklets is key to enabling multiple AI-assisted colonoscopy applications, from polyp characterization to automated reporting and retrieval. Supervised contrastive learning is an effective approach…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Luca Parolari , Pietro Gori , Lamberto Ballan , Carlo Biffi , Loic Le Folgoc

We present a pioneering investigation into the application of deep learning techniques to analyze histopathological images for addressing the substantial challenge of automated prognostic prediction. Prognostic prediction poses a unique…

We propose Domain-Conditioned Meta-Contrastive Learning, a framework for improving the cross-domain generalization of vision-language models. While contrastive models such as CLIP achieve strong performance through large-scale training,…

Optimization and Control · Mathematics 2026-03-31 Merham Fouladvand , Peuroly Batra

Automated Human Activity Recognition has long been a problem of great interest in human-centered and ubiquitous computing. In the last years, a plethora of supervised learning algorithms based on deep neural networks has been suggested to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Bulat Khaertdinov , Stylianos Asteriadis

The volume of data being collected in solar physics has exponentially increased over the past decade and with the introduction of the $\textit{Daniel K. Inouye Solar Telescope}$ (DKIST) we will be entering the age of petabyte solar data.…

Solar and Stellar Astrophysics · Physics 2019-07-10 John A. Armstrong , Lyndsay Fletcher

Image super-resolution has been an important subject in image processing and recognition. Here, we present an attention-aided convolutional neural network (CNN) for solar image super-resolution. Our method, named SolarCNN, aims to enhance…

Solar and Stellar Astrophysics · Physics 2024-03-28 Chunhui Xu , Jason T. L. Wang , Haimin Wang , Haodi Jiang , Qin Li , Yasser Abduallah , Yan Xu

High-content screening (HCS) assays based on high-throughput microscopy techniques such as Cell Painting have enabled the interrogation of cells' morphological responses to perturbations at an unprecedented scale. The collection of such…

Machine Learning · Computer Science 2025-09-25 Mingyu Lu , Ethan Weinberger , Chanwoo Kim , Su-In Lee

How can we teach a computer to recognize 10,000 different actions? Deep learning has evolved from supervised and unsupervised to self-supervised approaches. In this paper, we present a new contrastive learning-based framework for decision…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Mindi Ruan , Xiangxu Yu , Na Zhang , Chuanbo Hu , Shuo Wang , Xin Li

Recently, significant advancements in artificial intelligence have been attributed to the integration of self-supervised learning (SSL) scheme. While SSL has shown impressive achievements in natural language processing (NLP), its progress…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Shervin Halat , Mohammad Rahmati , Ehsan Nazerfard

This work considers supervised contrastive learning for semantic segmentation. We apply contrastive learning to enhance the discriminative power of the multi-scale features extracted by semantic segmentation networks. Our key methodological…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Theodoros Pissas , Claudio S. Ravasio , Lyndon Da Cruz , Christos Bergeles

Post-processing algorithms play a key role in pushing the detection limits of high-contrast imaging (HCI) instruments. State-of-the-art image processing approaches for HCI enable the production of science-ready images relying on…

Instrumentation and Methods for Astrophysics · Physics 2018-06-06 Carlos Alberto Gomez Gonzalez , Olivier Absil , Marc van Droogenbroeck

Spatial transcriptomics enables simultaneous measurement of gene expression and tissue morphology, offering unprecedented insights into cellular organization and disease mechanisms. However, the field lacks comprehensive benchmarks for…

In direct imaging at high contrast, the bright glare produced by the host star makes the detection and the characterization of sub-stellar companions particularly challenging. In spite of the use of an extreme adaptive optics system…

Instrumentation and Methods for Astrophysics · Physics 2024-09-23 Olivier Flasseur , Théo Bodrito , Julien Mairal , Jean Ponce , Maud Langlois , Anne-Marie Lagrange

Solar power harbors immense potential in mitigating climate change by substantially reducing CO$_{2}$ emissions. Nonetheless, the inherent variability of solar irradiance poses a significant challenge for seamlessly integrating solar power…

Machine Learning · Computer Science 2023-10-24 Oussama Boussif , Ghait Boukachab , Dan Assouline , Stefano Massaroli , Tianle Yuan , Loubna Benabbou , Yoshua Bengio

A key requirement for the success of supervised deep learning is a large labeled dataset - a condition that is difficult to meet in medical image analysis. Self-supervised learning (SSL) can help in this regard by providing a strategy to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-02 Krishna Chaitanya , Ertunc Erdil , Neerav Karani , Ender Konukoglu

In the era of big data and Artificial Intelligence, an emerging paradigm is to utilize contrastive self-supervised learning to model large-scale heterogeneous data. Many existing foundation models benefit from the generalization capability…

Machine Learning · Computer Science 2024-04-02 Lecheng Zheng , Baoyu Jing , Zihao Li , Hanghang Tong , Jingrui He

Contrastive learning (CL) has emerged as a powerful paradigm for learning transferable representations without the reliance on large labeled datasets. Its ability to capture intrinsic similarities and differences among data samples has led…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Debashis Gupta , Aditi Golder , Rongkhun Zhu , Kangning Cui , Wei Tang , Fan Yang , Ovidiu Csillik , Sarra Alaqahtani , V. Paul Pauca

The self-supervised pretraining paradigm has achieved great success in learning 3D action representations for skeleton-based action recognition using contrastive learning. However, learning effective representations for skeleton-based…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Qiushuo Cheng , Jingjing Liu , Catherine Morgan , Alan Whone , Majid Mirmehdi

Whilst contrastive learning has recently brought notable benefits to deep clustering of unlabelled images by learning sample-specific discriminative visual features, its potential for explicitly inferring class decision boundaries is less…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Jiabo Huang , Shaogang Gong

Learning discriminative image representations plays a vital role in long-tailed image classification because it can ease the classifier learning in imbalanced cases. Given the promising performance contrastive learning has shown recently in…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Peng Wang , Kai Han , Xiu-Shen Wei , Lei Zhang , Lei Wang