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detect scratches in images of glass and calculate length, number, and other characteristics

I am new to this field of image processing, but have been reading that openCV might be a good candidate library to use to solve my problem. I have images of cell phone cover glass with scratches in them. I want to not only detect the scratches in the image, but I also want to characterize those scratches. I want to find the total number of scratches, length, width, area, etc.

Can anyone point me in the right direction? Is openCV a good candidate library to solve problems such as these? If openCV is a good choice, what algorithms I should focus on?

Thank you in advance for all your help.