Computers and Biomedical Research
ISMDA '01 Proceedings of the Second International Symposium on Medical Data Analysis
Morphological Image Analysis: Principles and Applications
Morphological Image Analysis: Principles and Applications
Automatic Segmentation of Microaneurysms in Retinal Angiograms of Diabetic Patients
ICIAP '99 Proceedings of the 10th International Conference on Image Analysis and Processing
Detection of red lesions in digital fundus images
ISBI'09 Proceedings of the Sixth IEEE international conference on Symposium on Biomedical Imaging: From Nano to Macro
Effects of preprocessing eye fundus images on appearance based glaucoma classification
CAIP'07 Proceedings of the 12th international conference on Computer analysis of images and patterns
A local adaptive algorithm for microaneurysms detection in digital fundus images
CVBIA'05 Proceedings of the First international conference on Computer Vision for Biomedical Image Applications
Computer Methods and Programs in Biomedicine
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In this paper we propose a new algorithm for the detection of microaneurysms in color fundus images of the human retina. Microaneurysms are the first unequivocal indication of Diabetic Retinopathy (DR), a severe and wide-spread eye disease. Their automatic detection may play a major role in computer assisted diagnosis of DR. We propose an algorithm that can be divided into four steps. The first step is an image enhancement technique that comprises normalization and noise reduction. The second step ist the extraction of small details that fulfill a certain criterion: This leads to the definition of the bounding box closing. Then, an automatic threshold depending on image quality is calculated. In the last step false positives are eliminated.