On estimation of perceived mottling prior to printing

Albert Sadovnikov; Lasse Lensu; Heikki Kälviäinen

doi:10.1117/12.766404

28 January 2008 On estimation of perceived mottling prior to printing

Albert Sadovnikov, Lasse Lensu, Heikki Kälviäinen

Proceedings Volume 6808, Image Quality and System Performance V; 68080B (2008) https://doi.org/10.1117/12.766404
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

Print mottle is one of the most significant defects in modern offset printing influencing overall print quality. Mottling can be defined as undesired unevenness in perceived print density. Previous research in the field considered designing and improving perception models for evaluating print mottle. Mottle has traditionally been evaluated by estimating the reflectance variation in the print. In our work, we present an approach of estimating mottling effect prior to printing. Our experiments included imaging non printed media under various lighting conditions, printing the samples with sheet fed offset printing and imaging afterwards. For the preprint examinations we used a set of preprint images and for the outcome testing we used high resolution scans. For the set of papers used in experiment only uncoated mechanical speciality paper showed a good chance of print mottle prediction. Other tested paper types had a low correlation between non-printed and printed images. The achieved results allow predicting the amount of mottling on the final print using preprint area images for a certain paper type. Current experiment settings suited well for uncoated paper, but for the coated samples other settings need to be tested. The results show that the estimation can be made on the coarse scale and for better results extra parameters will be required, i.e., paper type, coating, printing process in question.

Citation Download Citation

Albert Sadovnikov, Lasse Lensu, and Heikki Kälviäinen "On estimation of perceived mottling prior to printing", Proc. SPIE 6808, Image Quality and System Performance V, 68080B (28 January 2008); https://doi.org/10.1117/12.766404

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available