Region of Interest - human vision takes in regions of interest.
Human interpretation takes in themes and perspectives of interest.
Our computer-based systems must support this. This interactive demonstrator shows a graphic arts image of size 13 MB JPEG-compressed to just over 1 MB, with on demand decompression of block regions of interest. Compression is lossy, without loss of visual quality. Demonstrator - web server based of a zoomable image. Compression here is strictly lossless.