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Semantic segmentation is a key computer vision task that has been actively researched for decades. In recent years, supervised methods have reached unprecedented accuracy, however they require many pixel-level annotations for every new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Nir Zabari , Yedid Hoshen

Weakly supervised segmentation methods have gained significant attention due to their ability to reduce the reliance on costly pixel-level annotations during model training. However, the current weakly supervised nuclei segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-02-04 Ye Zhang , Yifeng Wang , Zijie Fang , Hao Bian , Linghan Cai , Ziyue Wang , Yongbing Zhang

Learning discriminative representations of unlabelled data is a challenging task. Contrastive self-supervised learning provides a framework to learn meaningful representations using learned notions of similarity measures from simple pretext…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Nicklas Boserup , Raghavendra Selvan

Mixture distributions are a workhorse model for multimodal data in information theory, signal processing, and machine learning. Yet even when each component density is simple, the differential entropy of the mixture is notoriously hard to…

Information Theory · Computer Science 2026-02-18 Namyoon Lee

Shannon entropy is widely used to measure the complexity of DNA sequences but suffers from saturation effects that limit its discriminative power for long uniform segments. We introduce a novel metric, the entropy rank ratio R, which…

Information Theory · Computer Science 2025-11-10 Emmanuel Pio Pastore , Giuseppe Passarino , Peppino Sapia , Francesco De Rango

Pixel-level crack segmentation is widely studied due to its high impact on building and road inspections. While recent studies have made significant improvements in accuracy, they typically heavily depend on pixel-level crack annotations,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Yuki Inoue , Hiroto Nagayoshi

Current instance segmentation methods rely heavily on pixel-level annotated images. The huge cost to obtain such fully-annotated images restricts the dataset scale and limits the performance. In this paper, we formally address…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Zhenyu Wang , Yali Li , Shengjin Wang

In surgical procedures, correct instrument counting is essential. Instance segmentation is a location method that locates not only an object's bounding box but also each pixel's specific details. However, obtaining mask-level annotations is…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Zhen Sun , Huan Xu , Jinlin Wu , Zhen Chen , Zhen Lei , Hongbin Liu

Deep neural networks (DNNs) have the capacity to fit extremely noisy labels nonetheless they tend to learn data with clean labels first and then memorize those with noisy labels. We examine this behavior in light of the Shannon entropy of…

Machine Learning · Computer Science 2021-04-28 Hao Wu , Jiangchao Yao , Jiajie Wang , Yinru Chen , Ya Zhang , Yanfeng Wang

$\textbf{Motivation:}$ Small $p$-values are often required to be accurately estimated in large-scale genomic studies for the adjustment of multiple hypothesis tests and the ranking of genomic features based on their statistical…

Applications · Statistics 2023-08-29 Yang Shi , Mengqiao Wang , Weiping Shi , Ji-Hyun Lee , Huining Kang , Hui Jiang

Cell and nucleus segmentation are fundamental tasks for quantitative bioimage analysis. Despite progress in recent years, biologists and other domain experts still require novel algorithms to handle increasingly large and complex real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Thibaut Goldsborough , Ben Philps , Alan O'Callaghan , Fiona Inglis , Leo Leplat , Andrew Filby , Hakan Bilen , Peter Bankhead

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang

Addressing the annotation challenge in 3D Point Cloud segmentation has inspired research into weakly supervised learning. Existing approaches mainly focus on exploiting manifold and pseudo-labeling to make use of large unlabeled data…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Yongyi Su , Xun Xu , Kui Jia

The costly process of obtaining semantic segmentation labels has driven research towards weakly supervised semantic segmentation (WSSS) methods, using only image-level, point, or box labels. The lack of dense scene representation requires…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Peri Akiva , Kristin Dana

Human body part segmentation refers to the task of predicting the semantic segmentation mask for each body part. Fully supervised body part segmentation methods achieve good performances but require an enormous amount of effort to annotate…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Zhengyuan Yang , Yuncheng Li , Linjie Yang , Ning Zhang , Jiebo Luo

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

Many existing techniques provide automatic estimation of crop damage due to various diseases. However, early detection can prevent or reduce the extend of damage itself. The limited performance of existing techniques in early detection is…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 M. Hammad Masood , Habiba Saim , Murtaza Taj , Mian M. Awais

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,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Weiyi Xie , Nathalie Willems , Nikolas Lessmann , Tom Gibbons , Daniele De Massari

Automatic cell detection in histology images is a challenging task due to varying size, shape and features of cells and stain variations across a large cohort. Conventional deep learning methods regress the probability of each pixel…

Computer Vision and Pattern Recognition · Computer Science 2018-06-20 Shan E Ahmed Raza , Khalid AbdulJabbar , Mariam Jamal-Hanjani , Selvaraju Veeriah , John Le Quesne , Charles Swanton , Yinyin Yuan

Compared to supervised deep learning, self-supervision provides remote sensing a tool to reduce the amount of exact, human-crafted geospatial annotations. While image-level information for unsupervised pretraining efficiently works for…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Chenying Liu , Conrad M Albrecht , Yi Wang , Xiao Xiang Zhu
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