Scan with camera

Program to use your camera as a scanner. Automatically detects the page on the picture.

Useful program if you don't have a scanner or need to scan quickly a lot of pages.
It detects the page on the picture, make it rectangular, cut the borders and enhance the contrast.
Function parameters are the input picture filename and output filename.
Some parameters that can be changed are described in the function.
Be careful with the flash of the camera, it creates a non-homogeneous luminosity difficult to clean.