|
Abstract: . . . N= ( 1.96s / ? )² N = minimum sample size 1.96 = constand representing 95% confidence level S = estimate of standard deviation data ? = the difference youre trying to detect Page 10 U.S. Government Printing Office Specification for Quality Control (Version 1.1) 10 5.3 Color Reviewing Requirements 5.3.1 When tonal/dynamic range is visibly inadequate for color/grayscale images, the following must be evaluated and corrected. Kodak . . . . . . Density 0.05 – 0.10 0.75 – 0.85 1.65 – 1.75 RGB Level 242-242-242 122-122-122 40-40-40 Aimpoint % Black 4% 60% 90% RGB Level 236 – 248 116-128 34-46 Acceptable Range % Black 2 – 6% 58 – 62% 88 – 92% Aimpoint Variability For the three aimpoint values described above, none should exceed a variability of ± 6 RGB increments per each individual channel: Red, Green, and Blue. You can verify this by using an image sampler in the scanner software . . . . . . N = minimum sample size 1.96 = constand representing 95% confidence level S = estimate of standard deviation data ? = the difference youre trying to detect Page 10 U.S. Government Printing Office Specification for Quality Control (Version 1.1) 10 5.3 Color Reviewing Requirements 5.3.1 When tonal/dynamic range is visibly inadequate for color/grayscale images, the following must be evaluated and corrected. Kodak Grayscale Target . . . . . . minimum sample size 1.96 = constand representing 95% confidence level S = estimate of standard deviation data ? = the difference youre trying to detect Page 10 U.S. Government Printing Office Specification for Quality Control (Version 1.1) 10 5.3 Color Reviewing Requirements 5.3.1 When tonal/dynamic range is visibly inadequate for color/grayscale images, the following must be evaluated and corrected. Kodak Grayscale Target (Q-13 . . . . . . sample size 1.96 = constand representing 95% confidence level S = estimate of standard deviation data ? = the difference youre trying to detect Page 10 U.S. Government Printing Office Specification for Quality Control (Version 1.1) 10 5.3 Color Reviewing Requirements 5.3.1 When tonal/dynamic range is visibly inadequate for color/grayscale images, the following must be evaluated and corrected. Kodak Grayscale Target (Q-13 or Q-14) . . . . . . 1.96 = constand representing 95% confidence level S = estimate of standard deviation data ? = the difference youre trying to detect Page 10 U.S. Government Printing Office Specification for Quality Control (Version 1.1) 10 5.3 Color Reviewing Requirements 5.3.1 When tonal/dynamic range is visibly inadequate for color/grayscale images, the following must be evaluated and corrected. Kodak Grayscale Target (Q-13 or Q-14) , or an . . . . . . dissatisfiers shall be identified and corrected prior to release: • incorrect color mode • Incorrect resolution • page omissions, duplications, improper sequence • digital files and folders named not in accordance with specifications • incorrect cropping • skew from page placement represented • dust representation • digital artifact representation • scratch representation • inadequate color contrast • inadequate brightness • poor . . . --3000,7,214,3514,17998
|