This International Standard specifies the CMYK digital data that represents a set of standard colour images to be used for evaluation of changes in image quality during coding,image proccssing(including transformation.compression and decompression),film recording or printing which can be used for rescarch,development, product evaluation,and process control.
ISO 12640:1997 history
2004ISO 12640:1997/Cor 1:2004 Graphic technology - Prepress digital data exchange - Part 1: CMYK standard colour image data (CMYK/SCID); Technical Corrigendum 1
1997ISO 12640:1997 Graphic technology - Prepress digital data exchange - CMYK standard colour image data (CMYK/SCID)