GB/T 7771-1987
Replaced
GB/T 7921-2008
Active
National standards
GB/T 7921-2008 Uniform color space and color difference formula
GB/T 7921-2008 Uniform color space and color difference formula
Basic Information
Standard Code:
GB/T 7921-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nBasic standards
ICS Name:
The measurement of color and light
Publish Date:
2008-06-26
Implement Date:
2009-03-01
Pages:
11 pages
Scope
This standard specifies the calculation methods for the CIE 1976 (Lab) color space and the CIE 1976 (Luv) color space, which are visually nearly uniform, as well as the corresponding color difference formulas and the CIEDE2000 color difference formula. This standard applies to the representation of object colors and light source colors, as well as the representation and calculation of color differences.
Development Information
Replace the following standards
Referenced Standards
Adopt standards
CIE 15:2004
CIE 142:2001
Related Standards
GB/T 13170.10-1991
Replaced
GB/T 13170.10-1991 Test charts of reflection for television Registration test chart B
GB/T 13170.11-1991
Replaced
GB/T 13170.11-1991 Test charts of reflection for television Circular zone test chart
GB/T 13170.1-1991
Replaced
GB/T 13170.1-1991 Test charts of reflection for television Multiple test chart
GB/T 13170.12-1991
Replaced
GB/T 13170.12-1991 Test charts of reflection for television Radiation stripe test chart
GB/T 13170.13-1991
Replaced