Does anyone know the algorithm behind photoshop's Trace Contour Filter?
Hello There!
I am a student currently working on a Computer Science project and using Photoshop's Trace Contour filter is excellent at tracing edges of any image. Does anyone know the exact algorithm that Adobe uses to implement the Trace Contour Filter? Online it just says that it looks at difference in brightness to trace the edges, but is it a modification of Canny, Sobel or any other known Algorithms? Does it use Moore neighborhood to calculate it the edges? If anyone has any idea, I would appreciate it.
Thanks!
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-Noel
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