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Hyperspectral image (HSI) clustering is gaining considerable attention owing to recent methods that overcome the inefficiency and misleading results from the absence of supervised information. Contrastive learning methods excel at existing…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Renxiang Guan , Zihao Li , Xianju Li , Chang Tang

Self-supervised learning (SSL) provides a promising alternative for representation learning on hypergraphs without costly labels. However, existing hypergraph SSL models are mostly based on contrastive methods with the instance-level…

机器学习 · 计算机科学 2024-04-19 Fan Li , Xiaoyang Wang , Dawei Cheng , Wenjie Zhang , Ying Zhang , Xuemin Lin

Although supervised learning has enabled high performance for image segmentation, it requires a large amount of labeled training data, which can be difficult to obtain in the medical imaging field. Self-supervised learning (SSL) methods…

In the past few years, we have witnessed remarkable breakthroughs in self-supervised representation learning. Despite the success and adoption of representations learned through this paradigm, much is yet to be understood about how…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Klemen Kotar , Gabriel Ilharco , Ludwig Schmidt , Kiana Ehsani , Roozbeh Mottaghi

Contrastive learning has achieved state-of-the-art performance in various self-supervised learning tasks and even outperforms its supervised counterpart. Despite its empirical success, theoretical understanding of the superiority of…

机器学习 · 计算机科学 2023-12-21 Wenlong Ji , Zhun Deng , Ryumei Nakada , James Zou , Linjun Zhang

Traditional supervised learning methods are hitting a bottleneck because of their dependency on expensive manually labeled data and their weaknesses such as limited generalization ability and vulnerability to adversarial attacks. A…

机器学习 · 计算机科学 2021-06-08 Ran Liu

Learning representations for individual instances when only bag-level labels are available is a fundamental challenge in multiple instance learning (MIL). Recent works have shown promising results using contrastive self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Kangning Liu , Weicheng Zhu , Yiqiu Shen , Sheng Liu , Narges Razavian , Krzysztof J. Geras , Carlos Fernandez-Granda

Semi-supervised learning (SSL) has attracted much attention since it reduces the expensive costs of collecting adequate well-labeled training data, especially for deep learning methods. However, traditional SSL is built upon an assumption…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Lie Ju , Yicheng Wu , Wei Feng , Zhen Yu , Lin Wang , Zhuoting Zhu , Zongyuan Ge

Recommender systems (RecSys) are essential for online platforms, providing personalized suggestions to users within a vast sea of information. Self-supervised graph learning seeks to harness high-order collaborative filtering signals…

信息检索 · 计算机科学 2025-07-18 Weizhi Zhang , Liangwei Yang , Zihe Song , Henrry Peng Zou , Ke Xu , Yuanjie Zhu , Philip S. Yu

Unsupervised visual representation learning has gained much attention from the computer vision community because of the recent achievement of contrastive learning. Most of the existing contrastive learning frameworks adopt the instance…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Mingkai Zheng , Fei Wang , Shan You , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

This work presents a novel self-supervised pre-training method to learn efficient representations without labels on histopathology medical images utilizing magnification factors. Other state-of-theart works mainly focus on fully supervised…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Prakash Chandra Chhipa , Richa Upadhyay , Gustav Grund Pihlgren , Rajkumar Saini , Seiichi Uchida , Marcus Liwicki

New advancements in radio data post-processing are underway within the SKA precursor community, aiming to facilitate the extraction of scientific results from survey images through a semi-automated approach. Several of these developments…

Humans have a unique ability to learn new representations from just a handful of examples with little to no supervision. Deep learning models, however, require an abundance of data and supervision to perform at a satisfactory level.…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Ojas Kishorkumar Shirekar , Anuj Singh , Hadi Jamali-Rad

In this paper we propose a strategy for semi-supervised image classification that leverages unsupervised representation learning and co-training. The strategy, that is called CURL from Co-trained Unsupervised Representation Learning,…

机器学习 · 计算机科学 2015-09-14 Simone Bianco , Gianluigi Ciocca , Claudio Cusano

In the 21st-century information age, with the development of big data technology, effectively extracting valuable information from massive data has become a key issue. Traditional data mining methods are inadequate when faced with…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Aoran Shen , Minghao Dai , Jiacheng Hu , Yingbin Liang , Shiru Wang , Junliang Du

Contrastive self-supervised learning methods famously produce high quality transferable representations by learning invariances to different data augmentations. Invariances established during pre-training can be interpreted as strong…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Ruchika Chavhan , Henry Gouk , Jan Stuehmer , Calum Heggan , Mehrdad Yaghoobi , Timothy Hospedales

Content-based image retrieval (CBIR) with self-supervised learning (SSL) accelerates clinicians' interpretation of similar images without manual annotations. We develop a CBIR from the contrastive learning SimCLR and incorporate a…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Kristin Qi , Jiali Cheng , Daniel Haehn

Most deep neural networks (DNNs) based ultrasound (US) medical image analysis models use pretrained backbones (e.g., ImageNet) for better model generalization. However, the domain gap between natural and medical images causes an inevitable…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Yixiong Chen , Chunhui Zhang , Li Liu , Cheng Feng , Changfeng Dong , Yongfang Luo , Xiang Wan

Unsupervised image representations have significantly reduced the gap with supervised pretraining, notably with the recent achievements of contrastive learning methods. These contrastive methods typically work online and rely on a large…

计算机视觉与模式识别 · 计算机科学 2021-01-11 Mathilde Caron , Ishan Misra , Julien Mairal , Priya Goyal , Piotr Bojanowski , Armand Joulin

Noisy labels hurt deep learning-based supervised image classification performance as the models may overfit the noise and learn corrupted feature extractors. For natural image classification training with noisy labeled data, model…

图像与视频处理 · 电气工程与系统科学 2023-08-10 Bidur Khanal , Binod Bhattarai , Bishesh Khanal , Cristian A. Linte
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