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Current image compression models often require separate models for each quality level, making them resource-intensive in terms of both training and storage. To address these limitations, we propose an innovative approach that utilizes…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Ayman A. Ameen , Thomas Richter , André Kaup

Meta-learning algorithms adapt quickly to new tasks that are drawn from the same task distribution as the training tasks. The mechanism leading to fast adaptation is the conditioning of a downstream predictive model on the inferred…

Machine Learning · Computer Science 2021-07-23 Muhammad Waleed Gondal , Shruti Joshi , Nasim Rahaman , Stefan Bauer , Manuel Wüthrich , Bernhard Schölkopf

We introduce MIM (Masked Image Modeling)-Refiner, a contrastive learning boost for pre-trained MIM models. MIM-Refiner is motivated by the insight that strong representations within MIM models generally reside in intermediate layers.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Benedikt Alkin , Lukas Miklautz , Sepp Hochreiter , Johannes Brandstetter

Contrastive learning has been shown to produce generalizable representations of audio and visual data by maximizing the lower bound on the mutual information (MI) between different views of an instance. However, obtaining a tight lower…

Machine Learning · Computer Science 2021-04-20 Shuang Ma , Zhaoyang Zeng , Daniel McDuff , Yale Song

Visual model-based reinforcement learning (RL) has the potential to enable sample-efficient robot learning from visual observations. Yet the current approaches typically train a single model end-to-end for learning both visual…

Robotics · Computer Science 2023-05-30 Younggyo Seo , Danijar Hafner , Hao Liu , Fangchen Liu , Stephen James , Kimin Lee , Pieter Abbeel

Vision transformers combined with self-supervised learning have enabled the development of models which scale across large datasets for several downstream tasks like classification, segmentation and detection. The low-shot learning…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Srinivasa Rao Nandam , Sara Atito , Zhenhua Feng , Josef Kittler , Muhammad Awais

Featurizing microscopy images for use in biological research remains a significant challenge, especially for large-scale experiments spanning millions of images. This work explores the scaling properties of weakly supervised classifiers and…

Medical image segmentation is a fundamental yet challenging task due to the arduous process of acquiring large volumes of high-quality labeled data from experts. Contrastive learning offers a promising but still problematic solution to this…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Shuang Zeng , Lei Zhu , Xinliang Zhang , Micky C Nnamdi , Wenqi Shi , J Ben Tamo , Qian Chen , Hangzhou He , Lujia Jin , Zifeng Tian , Qiushi Ren , Zhaoheng Xie , Yanye Lu

Current self-supervised learning algorithms are often modality-specific and require large amounts of computational resources. To address these issues, we increase the training efficiency of data2vec, a learning objective that generalizes…

Machine Learning · Computer Science 2023-06-16 Alexei Baevski , Arun Babu , Wei-Ning Hsu , Michael Auli

Learning useful representations without supervision remains a key challenge in machine learning. In this paper, we propose a simple yet powerful generative model that learns such discrete representations. Our model, the Vector…

Machine Learning · Computer Science 2018-05-31 Aaron van den Oord , Oriol Vinyals , Koray Kavukcuoglu

Self-supervised learning has been successfully applied to pre-train video representations, which aims at efficient adaptation from pre-training domain to downstream tasks. Existing approaches merely leverage contrastive loss to learn…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Yuanze Lin , Xun Guo , Yan Lu

Recent advances in audio-visual learning have shown promising results in learning representations across modalities. However, most approaches rely on global audio representations that fail to capture fine-grained temporal correspondences…

Large, pretrained models are commonly finetuned with imagery that is heavily augmented to mimic different conditions and scales, with the resulting models used for various tasks with imagery from a range of spatial scales. Such models…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Colorado J. Reed , Ritwik Gupta , Shufan Li , Sarah Brockman , Christopher Funk , Brian Clipp , Kurt Keutzer , Salvatore Candido , Matt Uyttendaele , Trevor Darrell

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

Contrastive learning has emerged as a transformative method for learning effective visual representations through the alignment of image and text embeddings. However, pairwise similarity computation in contrastive loss between image and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Sachin Mehta , Maxwell Horton , Fartash Faghri , Mohammad Hossein Sekhavat , Mahyar Najibi , Mehrdad Farajtabar , Oncel Tuzel , Mohammad Rastegari

Masked Autoencoders (MAE) based on a reconstruction task have risen to be a promising paradigm for self-supervised learning (SSL) and achieve state-of-the-art performance across different benchmark datasets. However, despite its impressive…

Machine Learning · Computer Science 2023-03-28 Qi Zhang , Yifei Wang , Yisen Wang

Many contrastive representation learning methods learn a single global representation of an entire image. However, dense contrastive representation learning methods such as DenseCL (Wang et al., 2021) can learn better representations for…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Berk Iskender , Zhenlin Xu , Simon Kornblith , En-Hung Chu , Maryam Khademi

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

Inferring biological relationships from cellular phenotypes in high-content microscopy screens provides significant opportunity and challenge in biological research. Prior results have shown that deep vision models can capture biological…

Vision Transformer (ViT) has shown its advantages over the convolutional neural network (CNN) with its ability to capture global long-range dependencies for visual representation learning. Besides ViT, contrastive learning is another…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Hua-Bao Ling , Bowen Zhu , Dong Huang , Ding-Hua Chen , Chang-Dong Wang , Jian-Huang Lai