A special test pattern and image quality analysis system and process for evaluating the test pattern are provided to accurately measure color-color registration in an image output device that prints in CMYK color. The process is robust even when using relatively low-resolution CCD-based scanners and...http://www.google.com/patents/US6529616?utm_source=gb-gplus-sharePatent US6529616 - Technique for accurate color-color registration measurements
