Hi Mr Suessl sorry, that you all didn`t hear to much from me, i was the last to weeks in carribean sea, now i m back home again! the Assessment criterias seems to be very smart. To do an evaluation together with the prints and the excel sheet with this specified criterias is an amazing way to do, i think. ok! With best regards from munich Michael Hilmer *Von:* wg_offset_profiles(a)lists.callassoftware.com *Gesendet:* 22.11.06 13:13:03 *An:* wg_offset_profiles(a)lists.callassoftware.com *Betreff:* [WG Offset-Profiles] Tests prints | profile quality criteria Dear collegues, In order to prepare an unbiased quality assessment I would like to propose the following: Please let me know if you ... … would prefer another approach. … would like to change the assessment criteria: Procedure ---------------------- (1) Sascha Bugai will send printed samples to all working group members who expressed to participate in the evaluation. these samples include different inking versions: ISO compliant, higher/lower Black density, disbalanced CMY (2) I will prepare an Excel sheet with the following criteria (see below) (3) Each member's feedback will be collected *anonymously* (4) Per profile version (A, B, C, D) we will fill in the respective rating per criterion rating with points (0-5) where 0 points means bad result - 5 points: excellent (5) Excel sheets sent back to me (6) Overview with the collected *anonymous* results sent via our mailing list like Version A: x of z possible points, B: y of z possible points Assessment criteria --------------------------- (1) Details/definition (Zeichnung/Kontrast) details reproduced with good definition (5 points) vs. flat detail reproduction (0 points) (2) Smooth gradients (glatte Verläufe) smooth gradients (5 points) vs. distinct posterization effects (0 points) (3) *Gray balance* (Graubalance/Farbstabilität) will be assessed in the print samples with different inking (higher/lower black density, disbalanced CMY) 0 points: gray with distinct color cast 5 points: almost no color cast (4) *Color stability* (Farberhalt/Vergrauung) Unchanged color vs. e.g. less saturation/grayish colors heavy GCR at least in the past caused problems like 'gray islands', sudden shift to gray in gradients of dark colors 0 points: image colors changed (e.g. grayish) 5 points: image colors almost unchanged (5) Reproduction of highly saturated colors (Gesättigte Farben/ Differenzierung) This criterion reflects the rising importance of digital camera data with highly saturated colors (blue tent 'Otto' image) 0 points: flat detail reproduction/ definition 5 points: excellent detail reproduction with clearly reproduced colors/details Best regards, Florian Suessl -- Florian Suessl, Director Technology MetaDesign AG, Leibnizstrasse 65, 10629 Berlin +49 30 59 00 54 246, fax +49 30 59 00 54 114 fsuessl(a)metadesign.de, http://www.metadesign.de, http://www.metaprintcheck.de _______________________________________________ WG_OFFSET_PROFILES mailing list WG_OFFSET_PROFILES(a)lists.callassoftware.com http://lists.callassoftware.com/mailman/listinfo/wg_offset_profiles -- Medienberatung Techn. Leiter High Quality eV München m.hilmer(a)highquality-ev.de Handy 0179 79 63514 Fax 012126 20502000 http://www.highquality-ev.de/