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.
BS ISO 12640:1998 history
1998BS ISO 12640:1998 Graphic technology - Prepress digital data exchange - CMYK standard colour image data (CMYK/SCID)
1998BS ISO 12640:1997 Graphic technology - Prepress digital data exchange - CMYK standard colour image data (CMYK/SCID)