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Semi-supervised learning (SSL) has been extensively studied to improve the generalization ability of deep neural networks for visual recognition. To involve the unlabelled data, most existing SSL methods are based on common density-based…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Suichan Li , Bin Liu , Dongdong Chen , Qi Chu , Lu Yuan , Nenghai Yu

Non-Local Attention (NLA) brings significant improvement for Single Image Super-Resolution (SISR) by leveraging intrinsic feature correlation in natural images. However, NLA gives noisy information large weights and consumes quadratic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Bin Xia , Yucheng Hang , Yapeng Tian , Wenming Yang , Qingmin Liao , Jie Zhou

Accurate medical image segmentation is of utmost importance for enabling automated clinical decision procedures. However, prevailing supervised deep learning approaches for medical image segmentation encounter significant challenges due to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Sanaz Karimijafarbigloo , Reza Azad , Amirhossein Kazerouni , Yury Velichko , Ulas Bagci , Dorit Merhof

Self-supervised learning (SSL) has made enormous progress and largely narrowed the gap with the supervised ones, where the representation learning is mainly guided by a projection into an embedding space. During the projection, current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Lang Huang , Shan You , Mingkai Zheng , Fei Wang , Chen Qian , Toshihiko Yamasaki

Recently proposed consistency-based Semi-Supervised Learning (SSL) methods such as the $\Pi$-model, temporal ensembling, the mean teacher, or the virtual adversarial training, have advanced the state of the art in several SSL tasks. These…

Machine Learning · Statistics 2021-01-19 Atin Ghosh , Alexandre H. Thiery

Self-supervised learning (SSL) has become the de facto training paradigm of large models, where pre-training is followed by supervised fine-tuning using domain-specific data and labels. Despite demonstrating comparable performance with…

Machine Learning · Computer Science 2024-06-05 Sofia Yfantidou , Dimitris Spathis , Marios Constantinides , Athena Vakali , Daniele Quercia , Fahim Kawsar

Deep neural networks have achieved remarkable performance across various tasks when supplied with large-scale labeled data. However, the collection of labeled data can be time-consuming and labor-intensive. Semi-supervised learning (SSL),…

Machine Learning · Computer Science 2024-06-28 Chaoqi Liang , Guanglei Yang , Lifeng Qiao , Zitong Huang , Hongliang Yan , Yunchao Wei , Wangmeng Zuo

Mid-level vision capabilities - such as generic object localization and 3D geometric understanding - are not only fundamental to human vision but are also crucial for many real-world applications of computer vision. These abilities emerge…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Xuweiyi Chen , Markus Marks , Zezhou Cheng

We propose a method of aligning a source image to a target image, where the transform is specified by a dense vector field. The two images are encoded as feature hierarchies by siamese convolutional nets. Then a hierarchy of aligner modules…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Eric Mitchell , Stefan Keselj , Sergiy Popovych , Davit Buniatyan , H. Sebastian Seung

Pixel-wise regression is probably the most common problem in fine-grained computer vision tasks, such as estimating keypoint heatmaps and segmentation masks. These regression problems are very challenging particularly because they require,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Huajun Liu , Fuqiang Liu , Xinyi Fan , Dong Huang

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

Self-Supervised Learning (SSL) surmises that inputs and pairwise positive relationships are enough to learn meaningful representations. Although SSL has recently reached a milestone: outperforming supervised methods in many modalities\dots…

Machine Learning · Computer Science 2022-06-13 Randall Balestriero , Yann LeCun

We develop biologically plausible training mechanisms for self-supervised learning (SSL) in deep networks. Specifically, by biological plausible training we mean (i) All updates of weights are based on current activities of pre-synaptic…

Neural and Evolutionary Computing · Computer Science 2022-02-02 Mufeng Tang , Yibo Yang , Yali Amit

Semi-supervised learning (SSL) has attracted considerable attention in medical image processing. The latest SSL methods use a combination of consistency regularization and pseudo-labeling to achieve remarkable success. However, most…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Qiangguo Jin , Hui Cui , Junbo Wang , Changming Sun , Yimiao He , Ping Xuan , Linlin Wang , Cong Cong , Leyi Wei , Ran Su

Kernel principal component analysis (KPCA) is a well-recognized nonlinear dimensionality reduction method that has been widely used in nonlinear fault detection tasks. As a kernel trick-based method, KPCA inherits two major problems. First,…

Machine Learning · Computer Science 2024-10-28 Zelin Ren , Xuebing Yang , Yuchen Jiang , Wensheng Zhang

We present an uncertainty learning framework for dense neural simultaneous localization and mapping (SLAM). Estimating pixel-wise uncertainties for the depth input of dense SLAM methods allows re-weighing the tracking and mapping losses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Erik Sandström , Kevin Ta , Luc Van Gool , Martin R. Oswald

Automated medical diagnosis through image-based neural networks has increased in popularity and matured over years. Nevertheless, it is confined by the scarcity of medical images and the expensive labor annotation costs. Self-Supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Luffina C. Huang , Darren J. Chiu , Manish Mehta

To improve instance-level detection/segmentation performance, existing self-supervised and semi-supervised methods extract either task-unrelated or task-specific training signals from unlabeled data. We show that these two approaches, at…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Lu Qi , Jason Kuen , Zhe Lin , Jiuxiang Gu , Fengyun Rao , Dian Li , Weidong Guo , Zhen Wen , Ming-Hsuan Yang , Jiaya Jia

Self-supervised learning (SSL) has great potential for molecular representation learning given the complexity of molecular graphs, the large amounts of unlabelled data available, the considerable cost of obtaining labels experimentally, and…

Machine Learning · Computer Science 2023-11-30 Yuankai Luo , Lei Shi , Veronika Thost

Joint-embedding self-supervised learning (SSL) commonly relies on transformations such as data augmentation and masking to learn visual representations, a task achieved by enforcing invariance or equivariance with respect to these…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Hafez Ghaemi , Eilif Muller , Shahab Bakhtiari