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Semi-supervised learning utilizes insights from unlabeled data to improve model generalization, thereby reducing reliance on large labeled datasets. Most existing studies focus on limited samples and fail to capture the overall data…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Xiuzhen Guo , Lianyuan Yu , Ji Shi , Na Lei , Hongxiao Wang

This paper seeks to address the dense labeling problems where a significant fraction of the dataset can be pruned without sacrificing much accuracy. We observe that, on standard medical image segmentation benchmarks, the loss gradient…

计算机视觉与模式识别 · 计算机科学 2023-08-03 Yongkang He , Mingjin Chen , Zhijing Yang , Yongyi Lu

Automated and semi-automated techniques in biomedical electron microscopy (EM) enable the acquisition of large datasets at a high rate. Segmentation methods are therefore essential to analyze and interpret these large volumes of data, which…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Anusha Aswath , Ahmad Alsahaf , Ben N. G. Giepmans , George Azzopardi

The astounding success made by artificial intelligence (AI) in healthcare and other fields proves that AI can achieve human-like performance. However, success always comes with challenges. Deep learning algorithms are data-dependent and…

图像与视频处理 · 电气工程与系统科学 2021-06-25 Johann Li , Guangming Zhu , Cong Hua , Mingtao Feng , BasheerBennamoun , Ping Li , Xiaoyuan Lu , Juan Song , Peiyi Shen , Xu Xu , Lin Mei , Liang Zhang , Syed Afaq Ali Shah , Mohammed Bennamoun

Generalizing the medical image segmentation algorithms to unseen domains is an important research topic for computer-aided diagnosis and surgery. Most existing methods require a fully labeled dataset in each source domain. Although some…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Huifeng Yao , Xiaowei Hu , Xiaomeng Li

We present a novel clustering objective that learns a neural network classifier from scratch, given only unlabelled data samples. The model discovers clusters that accurately match semantic classes, achieving state-of-the-art results in…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xu Ji , João F. Henriques , Andrea Vedaldi

Semi-supervised learning for medical image segmentation presents a unique challenge of efficiently using limited labeled data while leveraging abundant unlabeled data. Despite advancements, existing methods often do not fully exploit the…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Bin Zhao , Chunshi Wang , Shuxue Ding

Unsupervised learning has gained prominence in the big data era, offering a means to extract valuable insights from unlabeled datasets. Deep clustering has emerged as an important unsupervised category, aiming to exploit the non-linear…

机器学习 · 计算机科学 2024-02-02 Georgios Vardakas , Ioannis Papakostas , Aristidis Likas

Semi-supervised learning (SSL) promises improved accuracy compared to training classifiers on small labeled datasets by also training on many unlabeled images. In real applications like medical imaging, unlabeled data will be collected for…

机器学习 · 计算机科学 2023-05-29 Zhe Huang , Mary-Joy Sidhom , Benjamin S. Wessler , Michael C. Hughes

In this paper, we build autoencoders to learn a latent space from unlabeled image datasets obtained from the Mars rover. Then, once the latent feature space has been learnt, we use k-means to cluster the data. We test the performance of the…

天体物理仪器与方法 · 物理学 2019-11-18 Vikas Ramachandra

We present a novel unsupervised learning approach to automatically segment and label images in astronomical surveys. Automation of this procedure will be essential as next-generation surveys enter the petabyte scale: data volumes will…

天体物理仪器与方法 · 物理学 2015-07-08 Alex Hocking , James E. Geach , Neil Davey , Yi Sun

Pre-training general-purpose visual features with convolutional neural networks without relying on annotations is a challenging and important task. Most recent efforts in unsupervised feature learning have focused on either small or highly…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Mathilde Caron , Piotr Bojanowski , Julien Mairal , Armand Joulin

The recent advances in representation learning inspire us to take on the challenging problem of unsupervised image classification tasks in a principled way. We propose ContraCluster, an unsupervised image classification method that combines…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Seongho Joe , Byoungjip Kim , Hoyoung Kang , Kyoungwon Park , Bogun Kim , Jaeseon Park , Joonseok Lee , Youngjune Gwon

An open question in deep clustering is how to understand what in the image is creating the cluster assignments. This visual understanding is essential to be able to trust the results of an inherently complex algorithm like deep learning,…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Sarah Ryan , Nichole Carlson , Harris Butler , Tasha Fingerlin , Lisa Maier , Fuyong Xing

Recently, machine learning-based semantic segmentation algorithms have demonstrated their potential to accurately segment regions and contours in medical images, allowing the precise location of anatomical structures and abnormalities.…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yifei Wang , Chuhong Zhu

In typical medical image classification problems, labeled data is scarce while unlabeled data is more available. Semi-supervised learning and self-supervised learning are two different research directions that can improve accuracy by…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Zhe Huang , Ruijie Jiang , Shuchin Aeron , Michael C. Hughes

Nowadays, with the advance of technology, there is an increasing amount of unstructured data being generated every day. However, it is a painful job to label and organize it. Labeling is an expensive, time-consuming, and difficult task. It…

机器学习 · 计算机科学 2020-06-25 Pedro H. M. Braga , Heitor R. Medeiros , Hansenclever F. Bassani

Training deep neural networks usually requires a large amount of labeled data to obtain good performance. However, in medical image analysis, obtaining high-quality labels for the data is laborious and expensive, as accurately annotating…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Quande Liu , Lequan Yu , Luyang Luo , Qi Dou , Pheng Ann Heng

The clustering of autonomous driving scenario data can substantially benefit the autonomous driving validation and simulation systems by improving the simulation tests' completeness and fidelity. This article proposes a comprehensive data…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Jinxin Zhao , Jin Fang , Zhixian Ye , Liangjun Zhang

Trustworthy deployment of deep learning medical imaging models into real-world clinical practice requires that they be calibrated. However, models that are well calibrated overall can still be poorly calibrated for a sub-population,…

图像与视频处理 · 电气工程与系统科学 2023-07-21 Changjian Shui , Justin Szeto , Raghav Mehta , Douglas L. Arnold , Tal Arbel