Compute hash of only the core image data (excluding metadata) for an image

Question

I\'m writing a script to calculate the MD5 sum of an image excluding the EXIF tag.

In order to do this accurately, I need to know where the EXIF tag is located in th

Answer 1

I would use a metadata stripper to preprocess your hashing :

From ImageMagick package you have ...

mogrify -strip blah.jpg

and if you do

identify -list format 

it apparently works with all the cited formats.