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Cell detection and segmentation is fundamental for all downstream analysis of digital pathology images. However, obtaining the pixel-level ground truth for single cell segmentation is extremely labor intensive. To overcome this challenge,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Alireza Chamanzar , Yao Nie

Weakly supervised semantic segmentation (WSSS) with image-level labels is a challenging task. Mainstream approaches follow a multi-stage framework and suffer from high training costs. In this paper, we explore the potential of Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yuqi Lin , Minghao Chen , Wenxiao Wang , Boxi Wu , Ke Li , Binbin Lin , Haifeng Liu , Xiaofei He

Tumor segmentation stands as a pivotal task in cancer diagnosis. Given the immense dimensions of whole slide images (WSI) in histology, deep learning approaches for WSI classification mainly operate at patch-wise or superpixel-wise level.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Huaqian Wu , Clara Brémond-Martin , Kévin Bouaou , Cédric Clouchoux

The performance of Video Instance Segmentation (VIS) methods has improved significantly with the advent of transformer networks. However, these networks often face challenges in training due to the high annotation cost. To address this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Farnoosh Arefi , Amir M. Mansourian , Shohreh Kasaei

The microvascular invasion (MVI) is a major prognostic factor in hepatocellular carcinoma, which is one of the malignant tumors with the highest mortality rate. The diagnosis of MVI needs discovering the vessels that contain hepatocellular…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Zunlei Feng , Zhonghua Wang , Xinchao Wang , Xiuming Zhang , Lechao Cheng , Jie Lei , Yuexuan Wang , Mingli Song

We introduce a new loss function for the weakly-supervised training of semantic image segmentation models based on three guiding principles: to seed with weak localization cues, to expand objects based on the information about which classes…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Alexander Kolesnikov , Christoph H. Lampert

We address the task of weakly-supervised few-shot image classification and segmentation, by leveraging a Vision Transformer (ViT) pretrained with self-supervision. Our proposed method takes token representations from the self-supervised ViT…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Dahyun Kang , Piotr Koniusz , Minsu Cho , Naila Murray

Accurate segmentation of brain vessels is crucial for cerebrovascular disease diagnosis and treatment. However, existing methods face challenges in capturing small vessels and handling datasets that are partially or ambiguously annotated.…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Fengming Lin , Yan Xia , Nishant Ravikumar , Qiongyao Liu , Michael MacRaild , Alejandro F Frangi

Conventional few-shot object segmentation methods learn object segmentation from a few labelled support images with strongly labelled segmentation masks. Recent work has shown to perform on par with weaker levels of supervision in terms of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Mennatullah Siam , Naren Doraiswamy , Boris N. Oreshkin , Hengshuai Yao , Martin Jagersand

Teeth segmentation is an essential task in dental image analysis for accurate diagnosis and treatment planning. While supervised deep learning methods can be utilized for teeth segmentation, they often require extensive manual annotation of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Tomáš Kunzo , Viktor Kocur , Lukáš Gajdošech , Martin Madaras

Recent years have seen a rapid growth in new approaches improving the accuracy of semantic segmentation in a weakly supervised setting, i.e. with only image-level labels available for training. However, this has come at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Nikita Araslanov , Stefan Roth

Image segmentation is a fundamental task in the field of imaging and vision. Supervised deep learning for segmentation has achieved unparalleled success when sufficient training data with annotated labels are available. However, annotation…

Image and Video Processing · Electrical Eng. & Systems 2023-04-10 Hongrun Zhang , Liam Burrows , Yanda Meng , Declan Sculthorpe , Abhik Mukherjee , Sarah E Coupland , Ke Chen , Yalin Zheng

Medical experts often manually segment images to obtain diagnostic statistics and discard the resulting annotations. We aim to train segmentation models to alleviate this burden, but constrained to the retained summary statistics (e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Omkar Kulkarni , Edward Raff , Tim Oates

Sclera segmentation is crucial for developing automatic eye-related medical computer-aided diagnostic systems, as well as for personal identification and verification, because the sclera contains distinct personal features. Deep…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Guanjun Wang , Lu Wang , Ning Niu , Qiaoyi Yao , Yixuan Wang , Sufen Ren , Shengchao Chen

Vertebrae identification in arbitrary fields-of-view plays a crucial role in diagnosing spine disease. Most spine CT contain only local regions, such as the neck, chest, and abdomen. Therefore, identification should not depend on specific…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Sheng Zhang , Minheng Chen , Junxian Wu , Ziyue Zhang , Tonglong Li , Cheng Xue , Youyong Kong

Many studies regarding the vasculature of biological tissues involve the segmentation of the blood vessels in a sample followed by the creation of a graph structure to model the vasculature. The graph is then used to extract relevant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 João Pedro Parella , Matheus Viana da Silva , Cesar Henrique Comin

Carotid vessel wall segmentation is a crucial yet challenging task in the computer-aided diagnosis of atherosclerosis. Although numerous deep learning models have achieved remarkable success in many medical image segmentation tasks,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-30 Shishuai Hu , Zehui Liao , Yong Xia

Most of the current state-of-the-art methods for tumor segmentation are based on machine learning models trained on manually segmented images. This type of training data is particularly costly, as manual delineation of tumors is not only…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Pawel Mlynarski , Hervé Delingette , Antonio Criminisi , Nicholas Ayache

Accurate vertebra localization and identification are required in many clinical applications of spine disorder diagnosis and surgery planning. However, significant challenges are posed in this task by highly varying pathologies (such as…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Fakai Wang , Kang Zheng , Le Lu , Jing Xiao , Min Wu , Shun Miao

Accurate liver segmentation in multi-phase MRI is vital for liver fibrosis assessment, yet labeled data is often scarce and unevenly distributed across imaging modalities and vendor systems. We propose a label-efficient segmentation…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Quang-Khai Bui-Tran , Minh-Toan Dinh , Thanh-Huy Nguyen , Ba-Thinh Lam , Mai-Anh Vu , Ulas Bagci