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Purpose: To develop a deep learning approach to de-noise optical coherence tomography (OCT) B-scans of the optic nerve head (ONH). Methods: Volume scans consisting of 97 horizontal B-scans were acquired through the center of the ONH using a…

In nuclear imaging, limited resolution causes partial volume effects (PVEs) that affect image sharpness and quantitative accuracy. Partial volume correction (PVC) methods incorporating high-resolution anatomical information from CT or MRI…

Chronic wounds significantly impact quality of life. If not properly managed, they can severely deteriorate. Image-based wound analysis could aid in objectively assessing the wound status by quantifying important features that are related…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Gaetano Scebba , Jia Zhang , Sabrina Catanzaro , Carina Mihai , Oliver Distler , Martin Berli , Walter Karlen

Automatic organ segmentation is an important yet challenging problem for medical image analysis. The pancreas is an abdominal organ with very high anatomical variability. This inhibits previous segmentation methods from achieving high…

计算机视觉与模式识别 · 计算机科学 2015-06-23 Holger R. Roth , Le Lu , Amal Farag , Hoo-Chang Shin , Jiamin Liu , Evrim Turkbey , Ronald M. Summers

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

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

Purpose: Segmentation of liver vessels from CT images is indispensable prior to surgical planning and aroused broad range of interests in the medical image analysis community. Due to the complex structure and low contrast background,…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Mian Wu , Yinling Qian , Xiangyun Liao , Qiong Wang , Pheng-Ann Heng

Wounds, such as foot ulcers, pressure ulcers, leg ulcers, and infected wounds, come up with substantial problems for healthcare professionals. Prompt and accurate segmentation is crucial for effective treatment. However, contemporary…

图像与视频处理 · 电气工程与系统科学 2024-08-22 Md. Zihad Bin Jahangir , Sumaiya Akter , MD Abdullah Al Nasim , Kishor Datta Gupta , Roy George

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 escalating global cancer burden underscores the critical need for precise diagnostic tools in oncology. This research employs deep learning to enhance lesion segmentation in PET/CT imaging, utilizing a dataset of 900 whole-body…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Jiayi Liu , Qiaoyi Xue , Youdan Feng , Tianming Xu , Kaixin Shen , Chuyun Shen , Yuhang Shi

Retinal vein cannulation (RVC) is a minimally invasive microsurgical procedure for treating retinal vein occlusion (RVO), a leading cause of vision impairment. However, the small size and fragility of retinal veins, coupled with the need…

机器人学 · 计算机科学 2025-07-30 Yi Wang , Peiyao Zhang , Mojtaba Esfandiari , Peter Gehlbach , Iulian I. Iordachita

Deep learning techniques for 3D brain vessel image segmentation have not been as successful as in the segmentation of other organs and tissues. This can be explained by two factors. First, deep learning techniques tend to show poor…

Open-Vocabulary Semantic Segmentation (OVSS) assigns pixel-level labels from an open set of text-defined categories, demanding reliable generalization to unseen classes at inference. Although modern vision-language models (VLMs) support…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Saikat Dutta , Biplab Banerjee , Hamid Rezatofighi

This paper presents a novel automated system that segments six sub-retinal layers from optical coherence tomography (OCT) image stacks of healthy patients and patients with diabetic macular edema (DME). First, each image in the OCT stack is…

计算机视觉与模式识别 · 计算机科学 2016-10-25 Sohini Roychowdhury , Dara D. Koozekanani , Michael Reinsbach , Keshab K. Parhi

Deep-learning based segmentation model is proposed for Optical Coherence Tomography images of human varicose vein based on the U-Net model employing atrous convolution with residual blocks, which gives an accuracy of 0.9932.

图像与视频处理 · 电气工程与系统科学 2023-03-03 Maryam Viqar , Violeta Madjarova , Amit Kumar Yadav , Desislava Pashkuleva , Alexander S. Machikhin

Segmentation has been a major task in neuroimaging. A large number of automated methods have been developed for segmenting healthy and diseased brain tissues. In recent years, deep learning techniques have attracted a lot of attention as a…

图像与视频处理 · 电气工程与系统科学 2019-07-05 Jimit Doshi , Guray Erus , Mohamad Habes , Christos Davatzikos

Since the introduction of optical coherence tomography (OCT), it has been possible to study the complex 3D morphological changes of the optic nerve head (ONH) tissues that occur along with the progression of glaucoma. Although several deep…

Introduction: The present study on the development and evaluation of an automated brain tumor segmentation technique based on deep learning using the 3D U-Net model. Objectives: The objective is to leverage state-of-the-art convolutional…

图像与视频处理 · 电气工程与系统科学 2024-04-10 Suman Sourabh , Murugappan Valliappan , Narayana Darapaneni , Anwesh R P

Segmentation of retinal layers from Optical Coherence Tomography (OCT) volumes is a fundamental problem for any computer aided diagnostic algorithm development. This requires preprocessing steps such as denoising, region of interest…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Karthik Gopinath , Samrudhdhi B Rangrej , Jayanthi Sivaswamy

Automated classification of human anatomy is an important prerequisite for many computer-aided diagnosis systems. The spatial complexity and variability of anatomy throughout the human body makes classification difficult. "Deep learning"…

计算机视觉与模式识别 · 计算机科学 2015-09-17 Holger R. Roth , Christopher T. Lee , Hoo-Chang Shin , Ari Seff , Lauren Kim , Jianhua Yao , Le Lu , Ronald M. Summers