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We propose a weakly-supervised framework for the semantic segmentation of circular-scan synthetic-aperture-sonar (CSAS) imagery. The first part of our framework is trained in a supervised manner, on image-level labels, to uncover a set of…

Despite the increasing use of deep learning in medical image segmentation, the limited availability of annotated training data remains a major challenge due to the time-consuming data acquisition and privacy regulations. In the context of…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Aghiles Kebaili , Jérôme Lapuyade-Lahorgue , Pierre Vera , Su Ruan

Nuclei segmentation is a fundamental task in histopathology image analysis. Typically, such segmentation tasks require significant effort to manually generate accurate pixel-wise annotations for fully supervised training. To alleviate such…

计算机视觉与模式识别 · 计算机科学 2020-07-13 Hui Qu , Pengxiang Wu , Qiaoying Huang , Jingru Yi , Zhennan Yan , Kang Li , Gregory M. Riedlinger , Subhajyoti De , Shaoting Zhang , Dimitris N. Metaxas

The most recent fast and accurate image segmentation methods are built upon fully convolutional deep neural networks. In this paper, we propose new deep learning strategies for DenseNets to improve segmenting images with subtle differences…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Seyed Raein Hashemi , Sanjay P. Prabhu , Simon K. Warfield , Ali Gholipour

The magnetic resonance (MR) analysis of brain tumors is widely used for diagnosis and examination of tumor subregions. The overlapping area among the intensity distribution of healthy, enhancing, non-enhancing, and edema regions makes the…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

Weakly supervised medical image segmentation (MIS) using generative models is crucial for clinical diagnosis. However, the accuracy of the segmentation results is often limited by insufficient supervision and the complex nature of medical…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Zhihao Shuai , Yinan Chen , Shunqiang Mao , Yihan Zho , Xiaohong Zhang

Three-dimensional segmentation in magnetic resonance images (MRI), which reflects the true shape of the objects, is challenging since high-resolution isotropic MRIs are rare and typical MRIs are anisotropic, with the out-of-plane dimension…

图像与视频处理 · 电气工程与系统科学 2023-03-15 Hanxue Gu , Hongyu He , Roy Colglazier , Jordan Axelrod , Robert French , Maciej A Mazurowski

We develop a procedure for substantially improving the quality of segmented 3D micro-Computed Tomography (micro-CT) images of rocks with a Machine Learning (ML) Generative Model. The proposed model enhances the resolution eightfold (8x) and…

图像与视频处理 · 电气工程与系统科学 2025-01-14 Evgeny Ugolkov , Xupeng He , Hyung Kwak , Hussein Hoteit

Fully-supervised lesion recognition methods in medical imaging face challenges due to the reliance on large annotated datasets, which are expensive and difficult to collect. To address this, synthetic lesion generation has become a…

图像与视频处理 · 电气工程与系统科学 2026-02-16 Wenhui Lei , Henrui Tian , Linrui Dai , Hanyu Chen , Xiaofan Zhang

Medical image segmentation is almost the most important pre-processing procedure in computer-aided diagnosis but is also a very challenging task due to the complex shapes of segments and various artifacts caused by medical imaging, (i.e.,…

图像与视频处理 · 电气工程与系统科学 2023-04-26 Hao Du , Qihua Dong , Yan Xu , Jing Liao

Detecting and segmenting brain metastases is a tedious and time-consuming task for many radiologists, particularly with the growing use of multi-sequence 3D imaging. This study demonstrates automated detection and segmentation of brain…

图像与视频处理 · 电气工程与系统科学 2019-12-30 Endre Grøvik , Darvin Yi , Michael Iv , Elisabeth Tong , Daniel L. Rubin , Greg Zaharchuk

Variational Level Set (VLS) has been a widely used method in medical segmentation. However, segmentation accuracy in the VLS method dramatically decreases when dealing with intervening factors such as lighting, shadows, colors, etc.…

计算机视觉与模式识别 · 计算机科学 2018-10-12 T. Hoang Ngan Le , Raajitha Gummadi , Marios Savvides

Vascular structure segmentation plays a crucial role in medical analysis and clinical applications. The practical adoption of fully supervised segmentation models is impeded by the intricacy and time-consuming nature of annotating vessels…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Zhanqiang Guo , Zimeng Tan , Jianjiang Feng , Jie Zhou

Multiple sclerosis (MS) expresses substantial clinical and radiological heterogeneity, which poses significant challenges for automatic lesion segmentation. The current deep learning-based SOTA is highly susceptible to changes in both…

Melanoma is amongst most aggressive types of cancer. However, it is highly curable if detected in its early stages. Prescreening of suspicious moles and lesions for malignancy is of great importance. Detection can be done by images captured…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Mohammad H. Jafari , Ebrahim Nasr-Esfahani , Nader Karimi , S. M. Reza Soroushmehr , Shadrokh Samavi , Kayvan Najarian

Liver lesion segmentation is an important step for liver cancer diagnosis, treatment planning and treatment evaluation. LiTS (Liver Tumor Segmentation Challenge) provides a common testbed for comparing different automatic liver lesion…

计算机视觉与模式识别 · 计算机科学 2017-07-05 Xiao Han

The development of high quality medical image segmentation algorithms depends on the availability of large datasets with pixel-level labels. The challenges of collecting such datasets, especially in case of 3D volumes, motivate to develop…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Ekaterina Redekop , Alexey Chernyavskiy

Multiple Sclerosis (MS) is an autoimmune disease that leads to lesions in the central nervous system. Magnetic resonance (MR) images provide sufficient imaging contrast to visualize and detect lesions, particularly those in the white…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Snehashis Roy , John A. Butman , Daniel S. Reich , Peter A. Calabresi , Dzung L. Pham

In this paper, we propose 3DSS-VLG, a weakly supervised approach for 3D Semantic Segmentation with 2D Vision-Language Guidance, an alternative approach that a 3D model predicts dense-embedding for each point which is co-embedded with both…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Xiaoxu Xu , Yitian Yuan , Jinlong Li , Qiudan Zhang , Zequn Jie , Lin Ma , Hao Tang , Nicu Sebe , Xu Wang

Abnormal iron accumulation in the brain subcortical nuclei has been reported to be correlated to various neurodegenerative diseases, which can be measured through the magnetic susceptibility from the quantitative susceptibility mapping…

图像与视频处理 · 电气工程与系统科学 2020-08-04 Chao Chai , Pengchong Qiao , Bin Zhao , Huiying Wang , Guohua Liu , Hong Wu , E Mark Haacke , Wen Shen , Chen Cao , Xinchen Ye , Zhiyang Liu , Shuang Xia