Retina image enhancement algorithm based on multiple scales and multiple directions
An image enhancement and retinal technology, applied in image enhancement, image data processing, calculation, etc., can solve problems such as not taking into account changes in blood vessel width
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[0035] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0036] The purpose of the present invention is to provide a retinal image enhancement algorithm based on multi-scale and multi-direction, which solves the two problems of changes in the width and direction of blood vessels, and uses the multi-scale Hessian matrix to enhance the blood vessels within a specified width range in the retinal image. At the same time, the blood vessels in 12 different directions in the retinal image are enhanced by using multi-directional two-dimensional matched filtering, and then the above two enhancement results are fused to achieve the final image enhancement.
[0037] figure 1 It is a flow c...
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