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With the introduction of spectral-domain optical coherence tomography (SDOCT), much larger image datasets are routinely acquired compared to what was possible using the previous generation of time-domain OCT. Thus, there is a critical need…

计算机视觉与模式识别 · 计算机科学 2015-08-06 Yankui Sun , Tian Zhang , Yue Zhao , Yufan He

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

Medical images often exhibit low and blurred contrast between lesions and surrounding tissues, with considerable variation in lesion edges and shapes even within the same disease, leading to significant challenges in segmentation.…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Wang Jiangtao , Nur Intan Raihana Ruhaiyem , Fu Panpan

Segmentation of multiple anatomical structures is of great importance in medical image analysis. In this study, we proposed a $\mathcal{W}$-net to simultaneously segment both the optic disc (OD) and the exudates in retinal images based on…

图像与视频处理 · 电气工程与系统科学 2020-06-12 Hongwei Zhao , Chengtao Peng , Lei Liu , Bin Li

Extracting blood vessels from retinal fundus images plays a decisive role in diagnosing the progression in pertinent diseases. In medical image analysis, vessel extraction is a semantic binary segmentation problem, where blood vasculature…

图像与视频处理 · 电气工程与系统科学 2022-03-21 Kundan Kumar , Sumanshu Agarwal

The precise segmentation of retinal blood vessels is of great significance for early diagnosis of eye-related diseases such as diabetes and hypertension. In this work, we propose a lightweight network named Spatial Attention U-Net (SA-UNet)…

图像与视频处理 · 电气工程与系统科学 2020-10-22 Changlu Guo , Márton Szemenyei , Yugen Yi , Wenle Wang , Buer Chen , Changqi Fan

Retinal vessel segmentation is a crucial step in diagnosing and screening various diseases, including diabetes, ophthalmologic diseases, and cardiovascular diseases. In this paper, we propose an effective and efficient method for vessel…

图像与视频处理 · 电气工程与系统科学 2020-09-24 Zhun Fan , Jiajie Mo , Benzhang Qiu , Wenji Li , Guijie Zhu , Chong Li , Jianye Hu , Yibiao Rong , Xinjian Chen

This paper introduces Spectral U-Net, a novel deep learning network based on spectral decomposition, by exploiting Dual Tree Complex Wavelet Transform (DTCWT) for down-sampling and inverse Dual Tree Complex Wavelet Transform (iDTCWT) for…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Yaopeng Peng , Milan Sonka , Danny Z. Chen

Optical coherence tomography (OCT) as retina imaging technology is currently used by ophthalmologist as a non-invasive and non-contact method for diagnosis of agerelated degeneration (AMD) and diabetic macular edema (DME) diseases. Fluid…

图像与视频处理 · 电气工程与系统科学 2019-12-30 Elyas Rashno , Abdolreza Rashno , Sadegh Fadaei

Recently, deep learning has become much more popular in computer vision area. The Convolution Neural Network (CNN) has brought a breakthrough in images segmentation areas, especially, for medical images. In this regard, U-Net is the…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Ange Lou , Shuyue Guan , Murray Loew

Automatic and accurate segmentation for retinal and choroidal layers of Optical Coherence Tomography (OCT) is crucial for detection of various ocular diseases. However, because of the variations in different equipments, OCT data obtained…

计算机视觉与模式识别 · 计算机科学 2019-09-02 Jiexiang Wang , Cheng Bian , Meng Li , Xin Yang , Kai Ma , Wenao Ma , Jin Yuan , Xinghao Ding , Yefeng Zheng

Deep learning models tend to underperform in the presence of domain shifts. Domain transfer has recently emerged as a promising approach wherein images exhibiting a domain shift are transformed into other domains for augmentation or…

图像与视频处理 · 电气工程与系统科学 2022-10-27 Weinan Song , Gaurav Fotedar , Nima Tajbakhsh , Ziheng Zhou , Lei He , Xiaowei Ding

Deep learning has demonstrated remarkable achievements in medical image segmentation. However, prevailing deep learning models struggle with poor generalization due to (i) intra-class variations, where the same class appears differently in…

图像与视频处理 · 电气工程与系统科学 2024-08-09 Vandan Gorade , Sparsh Mittal , Debesh Jha , Rekha Singhal , Ulas Bagci

Optical coherence tomography (OCT) is commonly used to analyze retinal layers for assessment of ocular diseases. In this paper, we propose a method for retinal layer segmentation and quantification of uncertainty based on Bayesian deep…

计算机视觉与模式识别 · 计算机科学 2018-09-13 Suman Sedai , Bhavna Antony , Dwarikanath Mahapatra , Rahil Garnavi

Identifying biomarkers in medical images is vital for a wide range of biotech applications. However, recent Transformer and CNN based methods often struggle with variations in morphology and staining, which limits their feature extraction…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Saad Wazir , Daeyoung Kim

Retinal image segmentation plays an important role in automatic disease diagnosis. This task is very challenging because the complex structure and texture information are mixed in a retinal image, and distinguishing the information is…

图像与视频处理 · 电气工程与系统科学 2020-08-04 Shihao Zhang , Huazhu Fu , Yanwu Xu , Yanxia Liu , Mingkui Tan

Optical coherence tomography angiography (OCTA) is a novel non-invasive imaging modality for the visualisation of microvasculature in vivo that has encountered broad adoption in retinal research. OCTA potential in the assessment of…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Ylenia Giarratano , Eleonora Bianchi , Calum Gray , Andrew Morris , Tom MacGillivray , Baljean Dhillon , Miguel O. Bernabeu

The task of localizing and categorizing objects in medical images often remains formulated as a semantic segmentation problem. This approach, however, only indirectly solves the coarse localization task by predicting pixel-level scores,…

Visible light optical coherence tomography (vis-OCT) is gaining traction for retinal imaging due to its high resolution and functional capabilities. However, the significant absorption of hemoglobin in the visible light range leads to…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Razieh Ganjee , Bingjie Wang , Lingyun Wang , Chengcheng Zhao , José-Alain Sahel , Shaohua Pi

U-Net has been providing state-of-the-art performance in many medical image segmentation problems. Many modifications have been proposed for U-Net, such as attention U-Net, recurrent residual convolutional U-Net (R2-UNet), and U-Net with…

计算机视觉与模式识别 · 计算机科学 2019-08-29 Juntang Zhuang