Content based human retinal image retrieval using vascular feature extraction

Authors:
J. Sivakamasundari;G. Kavitha;V. Natarajan;S. Ramakrishnan
Affiliations:
Department of Instrumentation Engineering, MIT Campus, Anna University, India;Department of Electronics Engineering, MIT Campus, Anna University, India;Department of Instrumentation Engineering, MIT Campus, Anna University, India;Biomedical Engineering Group, Department of Applied Mechanics, IIT Madras, India
Venue:
ACIIDS'12 Proceedings of the 4th Asian conference on Intelligent Information and Database Systems - Volume Part II
Year:
2012

Citing 3
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Abstract

In this work, an attempt has been made to analyze retinal images for Content Based Image Retrieval (CBIR) application. Different normal and abnormal images are subjected to vessel detection using Canny based edge detection method with and without preprocessing. Canny segmentation using morphological preprocessing is compared with conventional Canny without preprocessing and contrast stretching based preprocessing method. Essential features are extracted from the segmented images. The similarity matching is carried out between the features obtained from the query image and retinal images stored in the database. The best matched images are ranked and retrieved with appropriate assessment. The results show that it is possible to differentiate the normal and abnormal retinal images using the features derived using Canny with morphological preprocessing. The recall of this CBIR system is found to be 82% using the Canny with morphological preprocessing and is better than the other two methods. It appears that this method is useful to analyze retinal images using CBIR systems.