Define an image preprocessing protocole
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afduquebr commented
The main idea of this task is to generate a protocole that allows the improvement of the algorithm that correlates the data base acquired and the sample.
- Finding a Matlab function that normalizes the bright, contrast and light from each image according to the background and color skin.
DiegoHerrera262 commented
Try Using High pass filter for edge enhancement. Use function EnhanceBorder.m. It simply asks for the image to be enhanced (not necessarily in grayscale), and the radius of the filter in the frequency domain. I tried this myself, and highlighted my eyes, some features of my nose and my lips. Perhaps combination of this technique with some other process could help