This standard is applicable to the calibration of the color consistency of each channel of a color television camera. It can also be used to balance the television camera channel itself with the help of some instruments. GB/T 3175.3-1987 Transmissive color bar test chart GB/T3175.3-1987 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
GB/T3175.3—1987
Transparency colour bar test chart
Transparencycolourbar
testcard
Published on 1987-03-12
National Bureau of Standards
Implemented on 1987-11-01
National Standard of the People's Republic of China
Transparency colour bar test chart
Transparency colour bar
test card
621.397.012
GB/T3175.3—1987
This standard is applicable to the correction of the colour consistency of each channel of a colour television camera, and can also be used to balance the television camera channel itself with the help of some instruments. 1 Color bar test chart*
The standard pattern is as shown below.
2 Basic parameters
This standard is tested under the light source of the standard illuminant D6. 2.1 The angles of each color on the TV vectorscope after passing through the camera are shown in Table 1. *This figure is only a schematic diagram.
Approved by the National Bureau of Standards on March 12, 1987
Implementation on November 1, 1987
Yellow (Y)
Cyan (C)
Green (G)
Magenta (M)
Red (R)
Blue (B)
The dominant wavelengths of each color in the color bar are shown in Table 2.bzxZ.net
Yellow (Y)
Cyan (C)
Green ( G)
Magenta (M)
Red (R)
Blue (B)
3 Geometric dimensions of test pattern
GB/T3175.3—1987
3.1 Color bar test pattern size: 240mm×180mm3.1.1 Color bar test pattern size: 34mm×180mm. 3.2 The size of the finished product is the size with the frame. 3.2.1 Large light The size of the box is 360mm×280mm3.2.2 The size of the small light box is 260mm×200mm4 Working environment
4.1 Working temperature: -10~40℃.
4.2 Relative humidity: 40%~80%.
4.3 Light box surface illumination: 15001x or more. 4.4 Light box surface color temperature: 3200±10K. 5 Packaging and storage
5.1 The test chart must be placed in the box after use to prevent dust, moisture and shock. 5.2 Long-term exposure should be avoided as much as possible.
Additional instructions:
This standard was proposed by the Ministry of Radio, Film and Television of the People's Republic of China. Value
±3.
This standard was drafted by the Institute of Broadcasting Science of the Ministry of Radio, Film and Television, the Institute of Psychology of the Chinese Academy of Sciences, and the Beijing Third Optical Instrument Factory. The main drafters of this standard are Lu Yao, Lin Zhongxian, Sun Xiuru, and Chen Shijie. 2
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