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Deep learning has achieved tremendous success in computer vision, while medical image segmentation (MIS) remains a challenge, due to the scarcity of data annotations. Meta-learning techniques for few-shot segmentation (Meta-FSS) have been…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Qianqian Shen , Yanan Li , Jiyong Jin , Bin Liu

Fourier ptychography (FP) is a newly developed computational imaging approach that achieves both high resolution and wide field of view by stitching a series of low-resolution images captured under angle-varied illumination. So far, many…

Image and Video Processing · Electrical Eng. & Systems 2019-09-20 Yongbing Zhang , Yangzhe Liu , Xiu Li , Shaowei Jiang , Krishna Dixit , Xinfeng Zhang , Xiangyang Ji

Fine-grained object categorization aims for distinguishing objects of subordinate categories that belong to the same entry-level object category. The task is challenging due to the facts that (1) training images with ground-truth labels are…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Yabin Zhang , Kui Jia , Zhixin Wang

Early and accurate diagnosis of parkinsonian syndromes is critical to provide appropriate care to patients and for inclusion in therapeutic trials. The red nucleus is a structure of the midbrain that plays an important role in these…

Edge detection has long been an important problem in the field of computer vision. Previous works have explored category-agnostic or category-aware edge detection. In this paper, we explore edge detection in the context of object instances.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Xueyan Zou , Haotian Liu , Yong Jae Lee

Background and objectives: Colorectal cancer histopathological grading depends on accurate segmentation of glandular structures. Current deep learning approaches rely on large scale pixel level annotations that are labor intensive and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Hikmat Khan , Wei Chen , Muhammad Khalid Khan Niazi

The problem of image segmentation is known to become particularly challenging in the case of partial occlusion of the object(s) of interest, background clutter, and the presence of strong noise. To overcome this problem, the present paper…

Computer Vision and Pattern Recognition · Computer Science 2010-06-15 Robert Sheng Xu , Oleg Michailovich , Magdy Salama

The main obstacle to weakly supervised semantic image segmentation is the difficulty of obtaining pixel-level information from coarse image-level annotations. Most methods based on image-level annotations use localization maps obtained from…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Jungbeom Lee , Eunji Kim , Sungmin Lee , Jangho Lee , Sungroh Yoon

Weakly supervised segmentation methods can delineate thyroid nodules in ultrasound images efficiently using training data with coarse labels, but suffer from: 1) low-confidence pseudo-labels that follow topological priors, introducing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Jianning Chi , Zelan Li , Geng Lin , MingYang Sun , Xiaosheng Yu

Few-shot Semantic Segmentation addresses the challenge of segmenting objects in query images with only a handful of annotated examples. However, many previous state-of-the-art methods either have to discard intricate local semantic features…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Amirreza Fateh , Mohammad Reza Mohammadi , Mohammad Reza Jahed Motlagh

Instance segmentation is critical in biomedical imaging to accurately distinguish individual objects like cells, which often overlap and vary in size. Recent query-based methods, where object queries guide segmentation, have shown strong…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Yaroslav Prytula , Illia Tsiporenko , Ali Zeynalli , Dmytro Fishman

Retinal image plays a crucial role in diagnosing various diseases, as retinal structures provide essential diagnostic information. However, effectively capturing structural features while integrating them with contextual information from…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Xinwei Luo , Songlin Zhao , Yun Zong , Yong Chen , Gui-shuang Ying , Lifang He

With the rapid advancement of deep learning, the field of change detection (CD) in remote sensing imagery has achieved remarkable progress. Existing change detection methods primarily focus on achieving higher accuracy with increased…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Chenfeng Xu

Segmentation of infected areas in chest CT volumes is of great significance for further diagnosis and treatment of COVID-19 patients. Due to the complex shapes and varied appearances of lesions, a large number of voxel-level labeled samples…

Image and Video Processing · Electrical Eng. & Systems 2020-10-20 Zhanwei Xu , Yukun Cao , Cheng Jin , Guozhu Shao , Xiaoqing Liu , Jie Zhou , Heshui Shi , Jianjiang Feng

In this paper, we introduce an unsupervised cancer segmentation framework for histology images. The framework involves an effective contrastive learning scheme for extracting distinctive visual representations for segmentation. The encoder…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Yilong Li , Yaqi Wang , Huiyu Zhou , Huaqiong Wang , Gangyong Jia , Qianni Zhang

Deep learning based image segmentation has achieved the state-of-the-art performance in many medical applications such as lesion quantification, organ detection, etc. However, most of the methods rely on supervised learning, which require a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Ruizhe Li , Dorothee Auer , Christian Wagner , Xin Chen

We propose an embarrassingly simple point annotation scheme to collect weak supervision for instance segmentation. In addition to bounding boxes, we collect binary labels for a set of points uniformly sampled inside each bounding box. We…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Bowen Cheng , Omkar Parkhi , Alexander Kirillov

We present FourierMask, which employs Fourier series combined with implicit neural representations to generate instance segmentation masks. We apply a Fourier mapping (FM) to the coordinate locations and utilize the mapped features as…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Hamd ul Moqeet Riaz , Nuri Benbarka , Timon Hoefer , Andreas Zell

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

This study addresses the essential task of medical image segmentation, which involves the automatic identification and delineation of anatomical structures and pathological regions in medical images. Accurate segmentation is crucial in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Seyedeh Sahar Taheri Otaghsara , Reza Rahmanzadeh