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Position: Chinese Standard in English/GB/T 20147.4-2023
GB/T 20147.4-2023   Colorimetry―Part 4:CIE 1976 L*a*b* colour space (English Version)
Standard No.: GB/T 20147.4-2023 Status:valid remind me the status change

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Target Language:English File Format:PDF
Word Count: 5500 words Translation Price(USD):165.0 remind me the price change

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Implemented on:2024-3-1 Delivery: via email in 1~3 business day

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Standard No.: GB/T 20147.4-2023
English Name: Colorimetry―Part 4:CIE 1976 L*a*b* colour space
Chinese Name: 色度学 第4部分:CIE 1976 L* a* b*颜色空间
Chinese Classification: K71    Electric light source products
Professional Classification: GB    National Standard
ICS Classification: 29.140.01 29.140.01    Lamps in general 29.140.01
Source Content Issued by: SAMR; SAC
Issued on: 2023-08-06
Implemented on: 2024-3-1
Status: valid
Target Language: English
File Format: PDF
Word Count: 5500 words
Translation Price(USD): 165.0
Delivery: via email in 1~3 business day
本文件规定了一种计算CIE 1976 L*a*b*颜色空间坐标明度、彩度和色调相关量的方法,它包括两种在颜色空间中表示颜色感知差异的欧氏几何距离的计算方法。本文件适用于使用色匹配函数计算三刺激值的CIE 1931标准色度系统或CIE 1964标准色度系统。本文件可用于描述反射或透射物体的颜色特性,在这种情况下,需要一个比三刺激颜色空间更均匀的三维颜色空间。本文件适用于自发光显示器,如阴极射线管,如果它们被用于模拟反射或透射物体的颜色刺激,并且颜色刺激已适当归一化。本文件不适用于主要由光源自身发光的区域或者镜面反射该发光区域的颜色刺激。附录A中给出了逆向变换计算的方法。
Code of China
Standard
GB/T 20147.4-2023  Colorimetry―Part 4:CIE 1976 L*a*b* colour space (English Version)
Standard No.GB/T 20147.4-2023
Statusvalid
LanguageEnglish
File FormatPDF
Word Count5500 words
Price(USD)165.0
Implemented on2024-3-1
Deliveryvia email in 1~3 business day
Detail of GB/T 20147.4-2023
Standard No.
GB/T 20147.4-2023
English Name
Colorimetry―Part 4:CIE 1976 L*a*b* colour space
Chinese Name
色度学 第4部分:CIE 1976 L* a* b*颜色空间
Chinese Classification
K71
Professional Classification
GB
ICS Classification
Issued by
SAMR; SAC
Issued on
2023-08-06
Implemented on
2024-3-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
5500 words
Price(USD)
165.0
Keywords
GB/T 20147.4-2023, GB 20147.4-2023, GBT 20147.4-2023, GB/T20147.4-2023, GB/T 20147.4, GB/T20147.4, GB20147.4-2023, GB 20147.4, GB20147.4, GBT20147.4-2023, GBT 20147.4, GBT20147.4
Introduction of GB/T 20147.4-2023
本文件规定了一种计算CIE 1976 L*a*b*颜色空间坐标明度、彩度和色调相关量的方法,它包括两种在颜色空间中表示颜色感知差异的欧氏几何距离的计算方法。本文件适用于使用色匹配函数计算三刺激值的CIE 1931标准色度系统或CIE 1964标准色度系统。本文件可用于描述反射或透射物体的颜色特性,在这种情况下,需要一个比三刺激颜色空间更均匀的三维颜色空间。本文件适用于自发光显示器,如阴极射线管,如果它们被用于模拟反射或透射物体的颜色刺激,并且颜色刺激已适当归一化。本文件不适用于主要由光源自身发光的区域或者镜面反射该发光区域的颜色刺激。附录A中给出了逆向变换计算的方法。
Contents of GB/T 20147.4-2023
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