Keywords : Curvelet transform
RETINAL ABNORMALITY DETECTION BY CONTRAST ENHANCEMENT USING CURVELET TRANSFORM
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 4, Pages 2972-2980
This paper proposed about the recognition of blood veins in the retina, thereby diagnosing any abnormality in the retina. Optic blood vessels calculation is mostly owned in therapeutic analysis in many causes like arteriosclerosis, diabetes mellitus ,hypertension, stroke and heart problems. Due to the very great capability of the curvelet transform in place of ridges, reform of curve let transform factors will increase the optic fundus image ridges improved makes the picture for dissection part. Fast discrete curvelet transform via wrapping technique is used. The direction of a multistructure features technique makes is used for edge detection. Therefore, morphology operatives using multistructure features are useful locally for improved picture to do invention in the optic fundus image edges. Therefore, operatives by restoration will remove the edges which is not belonging of vein though making to reserve the tinny vein unaltered. Instruction for improve effectiveness of operatives through re-establishment, these are useful by multistructure features to use CCA more powerful, it is useful and length filtering as an alternative of considering the full image. The algorithm is applied to the retinal images got from a publicly accessible data base called drive database. Comparing to the previous techniques, the proposed technique achieves greater accuracy and so the blood veins will be more efficiently detected.