DETECTION OF BLOOD VESSELS IN COLOR FUNDUS IMAGES USING A LOCAL RADON TRANSFORM

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POURREZA REZA; POURREZA HAMID REZA; BANAEE TOUKA; DANESHVAR RAMIN

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Journal: IRANIAN JOURNAL OF MEDICAL PHYSICS Year:2010 | Volume:7 | Issue:3 (28) Page(s): 1-8

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Title

DETECTION OF BLOOD VESSELS IN COLOR FUNDUS IMAGES USING A LOCAL RADON TRANSFORM

Author(s)

POURREZA REZA | POURREZA HAMID REZA | BANAEE TOUKA | DANESHVAR RAMIN | Issue Writer Certificate

Keywords

DRIVEQ3

RADON TRANSFORMQ3

RETINAQ3

VESSEL DETECTIONQ3

Abstract

Introduction: This paper addresses a method for automatic detection of blood vessels in color fundus images which utilizes two main tools: image partitioning and local RADON TRANSFORM.Material and Methods: The input images are firstly divided into overlapping windows and then the RADON TRANSFORM is applied to each. The maximum of the RADON TRANSFORM in each window corresponds to the probable available sub-vessel. To verify the detected sub-vessel, the maximum is compared with a predefined threshold. The verified sub-vessels are reconstructed using the RADON TRANSFORM information. All detected and reconstructed sub-vessels are finally combined to make the final vessel tree.Results: The algorithm’s performance was evaluated numerically by applying it to 40 images of DRIVE database, a standard RETINAl image database. The vessels were extracted manually by two physicians. This database was used to test and compare the available and proposed algorithms for VESSEL DETECTION in color fundus images.By comparing the output of the algorithm with the manual results, the two parameters TPR and FPR were calculated for each image and the average of TPRs and FPRs were used to plot the ROC curve.Discussion and Conclusion: Comparison of the ROC curve of this algorithm with other algorithms demonstrated the high achieved accuracy. Beside the high accuracy, the RADON TRANSFORM which is integral-based makes the algorithm robust against noise.

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APA: Copy

POURREZA, REZA, POURREZA, HAMID REZA, BANAEE, TOUKA, & DANESHVAR, RAMIN. (2010). DETECTION OF BLOOD VESSELS IN COLOR FUNDUS IMAGES USING A LOCAL RADON TRANSFORM. IRANIAN JOURNAL OF MEDICAL PHYSICS, 7(3 (28)), 1-8. SID. https://sid.ir/paper/96946/en

Vancouver: Copy

POURREZA REZA, POURREZA HAMID REZA, BANAEE TOUKA, DANESHVAR RAMIN. DETECTION OF BLOOD VESSELS IN COLOR FUNDUS IMAGES USING A LOCAL RADON TRANSFORM. IRANIAN JOURNAL OF MEDICAL PHYSICS[Internet]. 2010;7(3 (28)):1-8. Available from: https://sid.ir/paper/96946/en

IEEE: Copy

REZA POURREZA, HAMID REZA POURREZA, TOUKA BANAEE, and RAMIN DANESHVAR, “DETECTION OF BLOOD VESSELS IN COLOR FUNDUS IMAGES USING A LOCAL RADON TRANSFORM,” IRANIAN JOURNAL OF MEDICAL PHYSICS, vol. 7, no. 3 (28), pp. 1–8, 2010, [Online]. Available: https://sid.ir/paper/96946/en

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