Image Processing Reference
In-Depth Information
its appearance with the image content. Often, rating experiments are carried out with
weights applied to certain image quality attributes, and attribute tables are populated
by comparing images to proofs.
Ultimate color rendering performance on a variety of print media depends on
how well the pro
les perform for different paper stocks, halftone screens, and print
C o rne r s = 0 0 0 0
C o rne r s = 0 0 0 0
8
250
7
200
6
5
150
K
C
M
Y
4
100
3
2
50
1
0
0
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
From 0 to gamut corner
From 0 to gamut corner
C o rne r s = 0 25 5 255 0
C orne r s = 0 25 5 255 0
8
250
7
200
6
5
150
K
C
M
Y
4
100
3
2
50
1
0
0
0
20
40
60
80
100 120 140 160 180
0
20
40
60
80
100 120 140 160 180
From 0 to gamut corner
From 0 to gamut corner
C o rner s = 2 5 5 0 255 0
C o rner s = 2 5 5 0 255 0
250
8
7
200
6
5
150
K
C
M
Y
4
100
3
2
50
1
0
0
0
20
40
60
80
100
120
140
160
0
20
40
60
80
100
120
140
160
(f)
From 0 to gamut corner
From 0 to gamut corner
FIGURE 7.65 (continued) (f) CMYK response (left) and corresponding round trip accuracy
(right) to white, red, green corners from 50,0,0 point ( ' 0 ' on x-axis corresponds to 50,0,0
point).
(continued )
 
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