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Recent advances in self-supervised learning (SSL) have largely closed the gap with supervised ImageNet pretraining. Despite their success these methods have been primarily applied to unlabeled ImageNet images, and show marginal gains when…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Ramprasaath R. Selvaraju , Karan Desai , Justin Johnson , Nikhil Naik

Deep neural networks achieve remarkable performances on a wide range of tasks with the aid of large-scale labeled datasets. Yet these datasets are time-consuming and labor-exhaustive to obtain on realistic tasks. To mitigate the requirement…

机器学习 · 计算机科学 2022-11-10 Baixu Chen , Junguang Jiang , Ximei Wang , Pengfei Wan , Jianmin Wang , Mingsheng Long

This paper proposes a novel method of learning by predicting view assignments with support samples (PAWS). The method trains a model to minimize a consistency loss, which ensures that different views of the same unlabeled instance are…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Mahmoud Assran , Mathilde Caron , Ishan Misra , Piotr Bojanowski , Armand Joulin , Nicolas Ballas , Michael Rabbat

At the most basic level, pixels are the source of the visual information through which we perceive the world. Pixels contain information at all levels, ranging from low-level attributes to high-level concepts. Autoencoders represent a…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Lihe Yang , Shang-Wen Li , Yang Li , Xinjie Lei , Dong Wang , Abdelrahman Mohamed , Hengshuang Zhao , Hu 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

Inspired by the success of generative pretraining in natural language, we ask whether the same principles can yield strong self-supervised visual learners. Instead of training models to output features for downstream use, we train them to…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Sihan Xu , Ziqiao Ma , Wenhao Chai , Xuweiyi Chen , Weiyang Jin , Joyce Chai , Saining Xie , Stella X. Yu

Pre-trained models, e.g., from ImageNet, have proven to be effective in boosting the performance of many downstream applications. It is too demanding to acquire large-scale annotations to build such models for medical imaging. Meanwhile,…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Xiaosong Wang , Ziyue Xu , Leo Tam , Dong Yang , Daguang Xu

This paper does not introduce a novel method per se. Instead, we address the neglected potential of hard negative samples in self-supervised learning. Previous works explored synthetic hard negatives but rarely in the context of vision…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Nikolaos Giakoumoglou , Andreas Floros , Kleanthis Marios Papadopoulos , Tania Stathaki

Deep convolutional neural networks are widely used in medical image segmentation but require many labeled images for training. Annotating three-dimensional medical images is a time-consuming and costly process. To overcome this limitation,…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Weiyi Xie , Nathalie Willems , Nikolas Lessmann , Tom Gibbons , Daniele De Massari

Accurate and robust medical image classification is paramount for early disease diagnosis and treatment planning. However, challenges such as limited annotated data, high intra-class variability, and subtle inter-class differences often…

图像与视频处理 · 电气工程与系统科学 2026-05-22 Joao Florindo , Viviane Moura

We propose a new strategy to improve the accuracy and robustness of image classification. First, we train a baseline CNN model. Then, we identify challenging regions in the feature space by identifying all misclassified samples, and…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Fadoua Khmaissia , Hichem Frigui

Vision-based reinforcement learning requires efficient and robust representations of image-based observations, especially when the images contain distracting (task-irrelevant) elements such as shadows, clouds, and light. It becomes more…

计算机视觉与模式识别 · 计算机科学 2025-06-09 Kyungsoo Kim , Jeongsoo Ha , Yusung Kim

Recent supervised multi-view depth estimation networks have achieved promising results. Similar to all supervised approaches, these networks require ground-truth data during training. However, collecting a large amount of multi-view depth…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Jiayu Yang , Jose M. Alvarez , Miaomiao Liu

Training deep networks with noisy labels leads to poor generalization and degraded accuracy due to overfitting to label noise. Existing approaches for learning with noisy labels often rely on the availability of a clean subset of data. By…

机器学习 · 计算机科学 2025-11-27 David Szczecina , Nicholas Pellegrino , Paul Fieguth

Deep neural networks are known to be vulnerable to adversarial examples, i.e., images that are maliciously perturbed to fool the model. Generating adversarial examples has been mostly limited to finding small perturbations that maximize the…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Hossein Hosseini , Radha Poovendran

Self-supervision is one of the hallmarks of representation learning in the increasingly popular suite of foundation models including large language models such as BERT and GPT-3, but it has not been pursued in the context of multivariate…

机器学习 · 计算机科学 2024-02-05 Xiao Shou , Dharmashankar Subramanian , Debarun Bhattacharjya , Tian Gao , Kristin P. Bennet

Hyperspectral image (HSI) classification presents unique challenges due to its high spectral dimensionality and limited labeled data. Traditional deep learning models often suffer from overfitting and high computational costs.…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Prachet Dev Singh , Shyamsundar Paramasivam , Sneha Barman , Mainak Singha , Ankit Jha , Girish Mishra , Biplab Banerjee

Recent methods in self-supervised learning have demonstrated that masking-based pretext tasks extend beyond NLP, serving as useful pretraining objectives in computer vision. However, existing approaches apply random or ad hoc masking…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Dylan Sam , Min Bai , Tristan McKinney , Li Erran Li

Self-supervised learning offers an efficient way of extracting rich representations from various types of unlabeled data while avoiding the cost of annotating large-scale datasets. This is achievable by designing a pretext task to form…

机器学习 · 计算机科学 2023-10-11 Pouya Mehralian , Bagher BabaAli , Ashena Gorgan Mohammadi

Unsupervised learning has been a long-standing goal of machine learning and is especially important for medical image analysis, where the learning can compensate for the scarcity of labeled datasets. A promising subclass of unsupervised…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Ozan Ciga , Tony Xu , Anne L. Martel