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Building accurate and robust artificial intelligence systems for medical image assessment requires not only the research and design of advanced deep learning models but also the creation of large and curated sets of annotated training…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Florin C. Ghesu , Bogdan Georgescu , Awais Mansoor , Youngjin Yoo , Dominik Neumann , Pragneshkumar Patel , R. S. Vishwanath , James M. Balter , Yue Cao , Sasa Grbic , Dorin Comaniciu

Deep subspace clustering (DSC) algorithms face several challenges that hinder their widespread adoption across variois application domains. First, clustering quality is typically assessed using only the encoder's output layer, disregarding…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Lovro Sindicic , Ivica Kopriva

This paper proposes a method for unsupervised whole-image clustering of a target dataset of remote sensing scenes with no labels. The method consists of three main steps: (1) finetuning a pretrained deep neural network (DINOv2) on a…

Computer Vision and Pattern Recognition · Computer Science 2024-09-09 Isaac Ray , Alexei Skurikhin

We propose a training scheme to train neural network-based source separation algorithms from scratch when parallel clean data is unavailable. In particular, we demonstrate that an unsupervised spatial clustering algorithm is sufficient to…

Machine Learning · Computer Science 2019-04-03 Lukas Drude , Daniel Hasenklever , Reinhold Haeb-Umbach

Clustering algorithms are one of the main analytical methods to detect patterns in unlabeled data. Existing clustering methods typically treat samples in a dataset as points in a metric space and compute distances to group together similar…

Machine Learning · Computer Science 2021-10-12 Tarek Naous , Srinjay Sarkar , Abubakar Abid , James Zou

The objectives of this paper are to explore ways to analyze breast cancer dataset in the context of unsupervised learning without prior training model. The paper investigates different ways of clustering techniques as well as preprocessing.…

Machine Learning · Computer Science 2021-09-06 Somenath Chakraborty , Beddhu Murali

Many studies in data mining have proposed a new learning called semi-Supervised. Such type of learning combines unlabeled and labeled data which are hard to obtain. However, in unsupervised methods, the only unlabeled data are used. The…

Machine Learning · Computer Science 2013-04-16 Badreddine Meftahi , Ourida Ben Boubaker Saidi

In computer vision, a prevailing method for quantifying dataset bias is to train a model to distinguish between datasets. High classification accuracy is then interpreted as evidence of meaningful semantic differences. This approach assumes…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Amir Hossein Saleknia , Mohammad Sabokrou

Hyperspectral image analysis has become an important topic widely researched by the remote sensing community. Classification and segmentation of such imagery help understand the underlying materials within a scanned scene, since…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Jakub Nalepa , Michal Myller , Yasuteru Imai , Ken-ichi Honda , Tomomi Takeda , Marek Antoniak

The high cost of creating pixel-by-pixel gold-standard labels, limited expert availability, and presence of diverse tasks make it challenging to generate segmentation labels to train deep learning models for medical imaging tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Tanvi Deshpande , Eva Prakash , Elsie Gyang Ross , Curtis Langlotz , Andrew Ng , Jeya Maria Jose Valanarasu

Melanoma is a fatal skin cancer that is curable and has dramatically increasing survival rate when diagnosed at early stages. Learning-based methods hold significant promise for the detection of melanoma from dermoscopic images. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Saban Ozturk , Tolga Cukur

In this paper we present a method for the unsupervised clustering of high-dimensional binary data, with a special focus on electronic healthcare records. We present a robust and efficient heuristic to face this problem using tensor…

Machine Learning · Statistics 2017-08-31 Matteo Ruffini , Ricard Gavaldà , Esther Limón

When approaching a clustering problem, choosing the right clustering algorithm and parameters is essential, as each clustering algorithm is proficient at finding clusters of a particular nature. Due to the unsupervised nature of clustering…

Machine Learning · Computer Science 2021-08-26 Elizabeth Ditton , Anne Swinbourne , Trina Myers , Mitchell Scovell

Background and objective: The usage of machine learning in medical diagnosis and treatment has witnessed significant growth in recent years through the development of computer-aided diagnosis systems that are often relying on annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Mateja Napravnik , Franko Hržić , Sebastian Tschauner , Ivan Štajduhar

Deep Learning has demonstrated a significant improvement against traditional machine learning approaches in different domains such as image and speech recognition. Their success on benchmark datasets is transferred to the real-world through…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Ahmad Mustapha , Wael Khreich , Wasim Masr

Semi-supervised learning has substantially advanced medical image segmentation since it alleviates the heavy burden of acquiring the costly expert-examined annotations. Especially, the consistency-based approaches have attracted more…

Image and Video Processing · Electrical Eng. & Systems 2022-03-16 Zhe Xu , Yixin Wang , Donghuan Lu , Lequan Yu , Jiangpeng Yan , Jie Luo , Kai Ma , Yefeng Zheng , Raymond Kai-yu Tong

The success of deep learning heavily depends on the availability of large labeled training sets. However, it is hard to get large labeled datasets in medical image domain because of the strict privacy concern and costly labeling efforts.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-30 Dewen Zeng , Yawen Wu , Xinrong Hu , Xiaowei Xu , Haiyun Yuan , Meiping Huang , Jian Zhuang , Jingtong Hu , Yiyu Shi

Semantic segmentation of medical images aims to associate a pixel with a label in a medical image without human initialization. The success of semantic segmentation algorithms is contingent on the availability of high-quality imaging data…

Although supervised deep-learning has achieved promising performance in medical image segmentation, many methods cannot generalize well on unseen data, limiting their real-world applicability. To address this problem, we propose a deep…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Shangqi Gao , Hangqi Zhou , Yibo Gao , Xiahai Zhuang

Unsupervised Person Re-identification (U-ReID) with pseudo labeling recently reaches a competitive performance compared to fully-supervised ReID methods based on modern clustering algorithms. However, such clustering-based scheme becomes…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Xin Jin , Tianyu He , Xu Shen , Tongliang Liu , Xinchao Wang , Jianqiang Huang , Zhibo Chen , Xian-Sheng Hua
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