Test Print Job 'ColorProof.ipds_pdf' — Page 11/12
Referenzbilder
This test page uses reference images from ECI (© by European Color Initiative
www.eci.org). The reference images are embedded in the PDF, which is itself integrated
as the IPDS Object Container.
JPEG compression is used on page 11 of the test job, and TIFF (LZW) format on page
12.
Extract from the description of these images from ECI:
#
DescriptionIllustration
This image serves to visually check the reproduction quality of
detailed drawings and the color precision of highly saturated
colors.
1
Minor incorrect settings in the ratio of individual colors result
in clearly visible color shifts in the reproduction of images. This
image is also used to check the accuracy of the tonal reproduc-
tion in the highlights.
2
This image is printed exclusively with the primary color black.3
Even slight color shifts are plainly visible in images with skin
tones. This image is therefore ideal for visual assessment of the
test print quality.
4
Chapter 6 - Operating the Printing System 225
Test Print Job 'ColorProof.ipds_pdf' — Page 11/12
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