delete white frame around images

[Bob Bedford]

I've about 50`000 jpg images on a dir. Some images have a white frame, other
only 2 white lines, sometimes vertically, sometimes horizontally.

I've to show those image on a darkgrey background, and the result is ugly.

It's there any way to detect those white lines, then change their color for
showing on the screen ? I won't change the color of the frame on the image
itself, but when showing them.
Also take in mind that some parts of the image are white, and they must be
kept white !

Bob

 

[Paul Cooper]

I've about 50`000 jpg images on a dir. Some images have a white frame, other
only 2 white lines, sometimes vertically, sometimes horizontally.

I've to show those image on a darkgrey background, and the result is ugly.

It's there any way to detect those white lines, then change their color for
showing on the screen ? I won't change the color of the frame on the image
itself, but when showing them.
Also take in mind that some parts of the image are white, and they must be
kept white !

Bob

If the white lines are part of the image, then the answer is no.

Paul