نتایج جستجو برای: Exudate Detection

تعداد نتایج: 570867  

Journal: :IEEE Access 2023

This paper presents a framework for the automated detection of Exudates, an early sign Diabetic Retinopathy. The introduces classification-extraction-superimposition (CES) mechanism enabling generation representative exudate samples based on limited open-source samples. demonstrates how manipulation Yolov5M output vector can be utilized extraction and super-imposition, segueing into development...

Diabetic retinopathy lesion detection such as exudate in fundus image of retina can lead to early diagnosis of the disease. Retinal image includes dark areas such as main blood vessels and retinal tissue and also bright areas such as optic disk, optical fibers and lesions e.g. exudate. In this paper, a multistage algorithm for the detection of exudate in foreground is proposed. The algorithm se...

Journal: :Canadian journal of ophthalmology. Journal canadien d'ophtalmologie 2006
Christopher J Rudnisky Matthew T S Tennant Alexander R de Leon Bradley J Hinz Mark D J Greve

BACKGROUND The need to incorporate stereopsis into a teleophthalmology system is controversial. Detection of hard exudate in the macula is suggested by some as an adequate surrogate for direct observation of retinal thickening. This study was designed to determine how accurate the detection of hard exudate is as a surrogate for stereoscopic detection of clinically significant macular edema (CSM...

Journal: :INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY 2019

Journal: :IEICE Transactions 2009
Akara Sopharak Bunyarit Uyyanonvara Sarah Barman Thomas H. Williamson

To prevent blindness from diabetic retinopathy, periodic screening and early diagnosis are neccessary. Due to lack of expert ophthalmologists in rural area, automated early exudate (one of visible sign of diabetic retinopathy) detection could help to reduce the number of blindness in diabetic patients. Traditional automatic exudate detection methods are based on specific parameter configuration...

2013
FLÁVIO ARAÚJO RODRIGO VERAS ANDRÉ MACEDO FÁTIMA MEDEIROS

Diabetic Retinopathy (DR) is one of the major complications of diabetes mellitus and can cause blindness. The diagnosis of DR is performed by visual analysis of retinal images, with exudates (fat deposits) being the main patterns traced by a specialist doctor. Thus, this paper proposes an algorithm for exudate detection in retinal images, whose experimental validation is performed on a public i...

Journal: :Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 2008
Akara Sopharak Bunyarit Uyyanonvara Sarah Barman Thomas H. Williamson

Diabetic retinopathy is a complication of diabetes that is caused by changes in the blood vessels of the retina. The symptoms can blur or distort the patient's vision and are a main cause of blindness. Exudates are one of the primary signs of diabetic retinopathy. Detection of exudates by ophthalmologists normally requires pupil dilation using a chemical solution which takes time and affects pa...

Journal: :medical journal of islamic republic of iran 0
mohammad homayouni head of dept. of internal medicine, shohada-e- tajrish medical center,سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)سازمان های دیگر: shohada-e- tajrish medical center reza hashemi shohada medical center, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)سازمان های دیگر: shohada-e- tajrish medical center ashraf ashraf askari shemiran health center, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)سازمان های دیگر: shemiran health center,

abstract  background: at present, differentiation between exudative and transudative pleural  effusion is based solely on laboratory measures and is time-consuming. asimple  bedside method would be of great help to differentiate between these two types of effusions.  we present a new method for this purpose assessed in 46 patients.  methods: standard laboratory tests and our method were tested ...

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