I believe "IHDR" is a chunk tag in PNG image files. Actually PNG files are extensible and some of the standard chunks can contain text for metadata… The PixelKnot images we never decoded at least used stegnography.
I believe "IHDR" is a chunk tag in PNG image files. Actually PNG files are extensible and some of the standard chunks can contain text for metadata… The PixelKnot images we never decoded at least used stegnography.