ITE Grayscale Chart II(Gamma = 1)

ITE Grayscale Chart II(Gamma = 1)

The ITE Grayscale Chart II(Gamma = 1) is disigned and used to

evaluate the halftone reproduction of an electronic camera. Two 11-graduated counter current gray scales are arranged on a gray background (D≈0.65), the gray scales being graduated linear. Related to the densities of the gray scales: gamma = 1. The contrast range of the gray scales is 40:1.

Properties

Type	selectable
Format	selectable
Aspect ratio	4:3

The values of the 11-graduated gray scales are the follows:

Step	Density	Reflectance in %
1	0.05	89
2	0.10	80
3	0.14	72
4	0.20	63
5	0.26	54
6	0.34	45
7	0.43	37
8	0.55	28
9	0.71	19
10	0.96	11
11	1.65	2

The density of the white filed between the gray scales is D = 0.05 (reflectance = 89%).

ITE Gray scale Chart I(Gamma = 1)

ITE Grayscale Chart

The ITE Gray scale Chart I(Gamma = 1) is disigned and used to

evaluate the halftone reproduction of an electronic camera. Two 11-graduated counter current gray scales are arranged on a gray background(D=0.62) . The gray scales being graduated logarithmically (gamma = 0.45).The output signal of an optimal gamma-corrected camera yields two 11-graduated counter current linear step signals. The contrast range of the gray scale is 40:1.

The values of the 11-graduated gray scale are as follows:

Step	Density	Reflectance in %
1	0.05	89
2	0.13	74
3	0.22	60
4	0.32	48
5	0.43	37
6	0.55	28
7	0.69	20
8	0.86	14
9	1.06	9
10	1.31	5
11	1.65	2

The density of the white field between the gray scale is D=0.05 (reflectance = 89%).

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