Hi, A couple of thoughts.
Are you using absolut colorimetric intent? If not, you should. How different are the values? Slighly different may be due to profile error, but if the difference is huge, then the mistake is in the methodology. Again, double check the intent. The error induced by target is a estimation using chi-squared. It is an acotation of the maximum error that the target can induce. Never rises more than dE 1 or 2 and you can effetively ignore that. If you want more information, there is a paper in the Kodak site: ftp://ftp.kodak.com/GASTDS/Q60DATA/Chi_sq.pdf Regards, Marti Maria The little cms project http://www.littlecms.com [EMAIL PROTECTED] ----- Original Message ----- From: Debora Vanni To: [EMAIL PROTECTED] Sent: Friday, October 24, 2003 8:13 AM Subject: [Lcms-user] (no subject) I work for a visual inspection systems business, and now I work with ICC profiles. For validating my result I took the Q-60(Kodak) target and scan it . I calculated by your tool the ICC profile for the scanner, then for each color I calculated the average RGB and then I converted them in Lab values with your library. I expected to find the Lab values written in the target-file R1******.Q60 but I found different values. I saw in the report generated when I created the profile that you talk about a dE and an error induced by the target itself. How can you calculate these two errors and what are them? The value under the column "Got" have inside these two errors? Why my values differ also from the values in the column "Got"? Thank you Debora Vanni Parvis System and Services [EMAIL PROTECTED] ------------------------------------------------------- This SF.net email is sponsored by: The SF.net Donation Program. Do you like what SourceForge.net is doing for the Open Source Community? Make a contribution, and help us add new features and functionality. Click here: http://sourceforge.net/donate/ _______________________________________________ Lcms-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/lcms-user
