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This work explores a hybrid approach to segmentation as an alternative to a purely data-driven approach. We introduce an end-to-end U-Net based network called DU-Net, which uses additional frequency preserving features, namely the…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Alakh Desai , Ruchi Chauhan , Jayanthi Sivaswamy

Optic disc and cup segmentation helps in the diagnosis of glaucoma, myocardial infarction, and diabetic retinopathy. Most deep learning methods developed to perform segmentation tasks are built on top of a U-Net-based model architecture.…

图像与视频处理 · 电气工程与系统科学 2024-08-12 Yoga Sri Varshan , Hitesh Gupta Kattamuri , Subin Sahayam , Umarani Jayaraman

Automated segmentation of vascular map in retinal images endeavors a potential benefit in diagnostic procedure of different ocular diseases. In this paper, we suggest a new unsupervised retinal blood vessel segmentation approach using…

图像与视频处理 · 电气工程与系统科学 2019-08-13 Kundan Kumar , Debashisa Samal , Suraj

Coronary heart disease is one of the top rank leading cause of mortality in the world which can be because of plaque burden inside the arteries. Intravascular Ultrasound (IVUS) has been recognized as power- ful imaging technology which…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Chirag Balakrishna , Sarshar Dadashzadeh , Sara Soltaninejad

Automated vascular segmentation on optical coherence tomography angiography (OCTA) is important for the quantitative analyses of retinal microvasculature in neuroretinal and systemic diseases. Despite recent improvements, artifacts continue…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Yih-Cherng Lee , Ling Yeung

Although the preservation of shape continuity and physiological anatomy is a natural assumption in the segmentation of medical images, it is often neglected by deep learning methods that mostly aim for the statistical modeling of input data…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Yousef Yeganeh , Azade Farshad , Goktug Guevercin , Amr Abu-zer , Rui Xiao , Yongjian Tang , Ehsan Adeli , Nassir Navab

Retinal vessel segmentation methods based on standard overlap losses tend to miss thin peripheral vessels because these structures occupy very few pixels and have low contrast against the background. We propose HMS-VesselNet, a hierarchical…

图像与视频处理 · 电气工程与系统科学 2026-03-24 Amarnath R

We propose to learn non-convex regularizers with a prescribed upper bound on their weak-convexity modulus. Such regularizers give rise to variational denoisers that minimize a convex energy. They rely on few parameters (less than 15,000)…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Alexis Goujon , Sebastian Neumayer , Michael Unser

This paper demonstrates the efficacy of a modified U-Net structure for the extraction of vascular tree masks for human fundus photographs. On limited compute resources and training data, the proposed model only slightly underperforms when…

图像与视频处理 · 电气工程与系统科学 2024-07-09 Georgiy Kiselev

This paper addresses the problem of document image dewarping, which aims at eliminating the geometric distortion in document images for document digitization. Instead of designing a better neural network to approximate the optical flow…

图像与视频处理 · 电气工程与系统科学 2022-04-06 Xiangwei Jiang , Rujiao Long , Nan Xue , Zhibo Yang , Cong Yao , Gui-Song Xia

Accurate whole-heart segmentation is a critical component in the precise diagnosis and interventional planning of cardiovascular diseases. Integrating complementary information from modalities such as computed tomography (CT) and magnetic…

图像与视频处理 · 电气工程与系统科学 2025-11-13 Jierui Qu , Jianchun Zhao

Segmenting Synthetic Aperture Radar (SAR) images is crucial for many remote sensing applications, particularly water body detection. However, deep learning-based segmentation models often face challenges related to convergence speed and…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Marwane Kzadri , Franco Alberto Cardillo , Nanée Chahinian , Carole Delenne , Renaud Hostache , Jamal Riffi

This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

计算机视觉与模式识别 · 计算机科学 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir

We identify and address three research gaps in the field of vessel segmentation for funduscopy. The first focuses on the task of inference on high-resolution fundus images for which only a limited set of ground-truth data is publicly…

计算机视觉与模式识别 · 计算机科学 2020-03-18 Tim Laibacher , André Anjos

Optimal surface segmentation is a state-of-the-art method used for segmentation of multiple globally optimal surfaces in volumetric datasets. The method is widely used in numerous medical image segmentation applications. However, nodes in…

计算机视觉与模式识别 · 计算机科学 2019-02-18 Abhay Shah , Michael D. Abramoff , Xiaodong Wu

Deep convolutional neural networks have been proven to be very effective in image related analysis and tasks, such as image segmentation, image classification, image generation, etc. Recently many sophisticated CNN based architectures have…

图像与视频处理 · 电气工程与系统科学 2020-05-12 Eshal Zahra , Bostan Ali , Wajahat Siddique

Vessel segmentation is crucial in many medical image applications, such as detecting coronary stenoses, retinal vessel diseases and brain aneurysms. However, achieving high pixel-wise accuracy, complete topology structure and robustness to…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Tianyi Shi , Xiaohuan Ding , Wei Zhou , Feng Pan , Zengqiang Yan , Xiang Bai , Xin Yang

Accurate multi-class segmentation is a long-standing challenge in medical imaging, especially in scenarios where classes share strong similarity. Segmenting retinal blood vessels in retinal photographs is one such scenario, in which…

图像与视频处理 · 电气工程与系统科学 2021-12-10 Yukun Zhou , Moucheng Xu , Yipeng Hu , Hongxiang Lin , Joseph Jacob , Pearse A. Keane , Daniel C. Alexander

Purpose: Accurate segmentation of glioma subregions in multi-parametric MRI (MP-MRI) is essential for diagnosis and treatment planning but remains challenging due to tumor heterogeneity and ambiguous boundaries. This study proposes an…

医学物理 · 物理学 2025-07-22 Zhenyu Yang , Chen Yang , Rihui Zhang , Minbin Chen , Chunhao Wang , Fang-Fang Yin

We have developed and trained a convolutional neural network to automatically and simultaneously segment optic disc, fovea and blood vessels. Fundus images were normalised before segmentation was performed to enforce consistency in…

计算机视觉与模式识别 · 计算机科学 2017-02-03 Jen Hong Tan , U. Rajendra Acharya , Sulatha V. Bhandary , Kuang Chua Chua , Sobha Sivaprasad
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