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Predicting the neural response to natural images in the visual cortex requires extracting relevant features from the images and relating those feature to the observed responses. In this work, we optimize the feature extraction in order to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Alex Mulrooney , Austin J. Brockmeier

We propose a novel biologically-plausible solution to the credit assignment problem motivated by observations in the ventral visual pathway and trained deep neural networks. In both, representations of objects in the same category become…

Machine Learning · Computer Science 2020-12-08 Shanshan Qin , Nayantara Mudur , Cengiz Pehlevan

Contrastive learning (CL) is a predominant technique in image classification, but they showed limited performance with an imbalanced dataset. Recently, several supervised CL methods have been proposed to promote an ideal regular simplex…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Sumin Roh , Harim Kim , Ho Yun Lee , Il Yong Chun

Contrastive Language-Image Pre-training (CLIP) has been a celebrated method for training vision encoders to generate image/text representations facilitating various applications. Recently, CLIP has been widely adopted as the vision backbone…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Hong-You Chen , Zhengfeng Lai , Haotian Zhang , Xinze Wang , Marcin Eichner , Keen You , Meng Cao , Bowen Zhang , Yinfei Yang , Zhe Gan

Training deep learning models on cardiac magnetic resonance imaging (CMR) can be a challenge due to the small amount of expert generated labels and inherent complexity of data source. Self-supervised contrastive learning (SSCL) has recently…

Image and Video Processing · Electrical Eng. & Systems 2022-05-26 Makiya Nakashima , Inyeop Jang , Ramesh Basnet , Mitchel Benovoy , W. H. Wilson Tang , Christopher Nguyen , Deborah Kwon , Tae Hyun Hwang , David Chen

Meta-reinforcement learning typically requires orders of magnitude more samples than single task reinforcement learning methods. This is because meta-training needs to deal with more diverse distributions and train extra components such as…

Machine Learning · Computer Science 2021-03-12 Bernie Wang , Simon Xu , Kurt Keutzer , Yang Gao , Bichen Wu

Recent advances in self-supervised contrastive learning yield good image-level representation, which favors classification tasks but usually neglects pixel-level detailed information, leading to unsatisfactory transfer performance to dense…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Feng Wang , Huiyu Wang , Chen Wei , Alan Yuille , Wei Shen

This paper presents a self-supervised feature learning method for hyperspectral image classification. Our method tries to construct two different views of the raw hyperspectral image through a cross-representation learning method. And then…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Anyu Zhang , Haotian Wu , Zeyu Cao

Vision-language models, such as contrastive language-image pre-training (CLIP), have demonstrated impressive results in natural image domains. However, these models often struggle when applied to specialized domains like remote sensing, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Sangwoo Mo , Minkyu Kim , Kyungmin Lee , Jinwoo Shin

Contrastive learning is a powerful framework for learning self-supervised representations that generalize well to downstream supervised tasks. We show that multiple existing contrastive learning methods can be reinterpreted as learning…

Machine Learning · Computer Science 2023-02-16 Daniel D. Johnson , Ayoub El Hanchi , Chris J. Maddison

We tackle open-world semantic segmentation, which aims at learning to segment arbitrary visual concepts in images, by using only image-text pairs without dense annotations. Existing open-world segmentation methods have shown impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Junbum Cha , Jonghwan Mun , Byungseok Roh

Visual and linguistic pre-training aims to learn vision and language representations together, which can be transferred to visual-linguistic downstream tasks. However, there exists semantic confusion between language and vision during the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Shentong Mo , Jingfei Xia , Ihor Markevych

In medical image analysis, multi-organ semi-supervised segmentation faces challenges such as insufficient labels and low contrast in soft tissues. To address these issues, existing studies typically employ semi-supervised segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Feilong Tang , Zhongxing Xu , Ming Hu , Wenxue Li , Peng Xia , Yiheng Zhong , Hanjun Wu , Jionglong Su , Zongyuan Ge

We propose Graph Contrastive Learning (GraphCL), a general framework for learning node representations in a self supervised manner. GraphCL learns node embeddings by maximizing the similarity between the representations of two randomly…

Machine Learning · Computer Science 2020-07-17 Hakim Hafidi , Mounir Ghogho , Philippe Ciblat , Ananthram Swami

Image classification datasets exhibit a non-negligible fraction of mislabeled examples, often due to human error when one class superficially resembles another. This issue poses challenges in supervised contrastive learning (SCL), where the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Zijun Long , George Killick , Lipeng Zhuang , Richard McCreadie , Gerardo Aragon Camarasa , Paul Henderson

Standard contrastive learning approaches usually require a large number of negatives for effective unsupervised learning and often exhibit slow convergence. We suspect this behavior is due to the suboptimal selection of negatives used for…

Machine Learning · Computer Science 2021-12-22 Anshul Shah , Suvrit Sra , Rama Chellappa , Anoop Cherian

Self-supervised learning has become a cornerstone in computer vision, primarily divided into reconstruction-based methods like masked autoencoders (MAE) and discriminative methods such as contrastive learning (CL). Recent empirical…

Machine Learning · Computer Science 2025-02-06 Yu Huang , Zixin Wen , Yuejie Chi , Yingbin Liang

Human skeleton point clouds are commonly used to automatically classify and predict the behaviour of others. In this paper, we use a contrastive self-supervised learning method, SimCLR, to learn representations that capture the semantics of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Nico Lingg , Miguel Sarabia , Luca Zappella , Barry-John Theobald

We present Consistent Assignment of Views over Random Partitions (CARP), a self-supervised clustering method for representation learning of visual features. CARP learns prototypes in an end-to-end online fashion using gradient descent…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Thalles Silva , Adín Ramírez Rivera

Multilabel representation learning is recognized as a challenging problem that can be associated with either label dependencies between object categories or data-related issues such as the inherent imbalance of positive/negative samples.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Ahmad Sajedi , Samir Khaki , Konstantinos N. Plataniotis , Mahdi S. Hosseini
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