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Chinese Standard: GB/T 19894-2025

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Digital still-picture cameras—Methods for measuring opto-electronic conversion functions(OECFs)


Standard in brief
Scope of Application:  
本文件详细描述了输出数字编码图像文件的数码照相机的光电转换函数(OECFs)的测量方法。OECF被定义为焦平面对数曝光或景物的对数亮度和一个光电数字影像拍摄系统的数字输出信号值之间的关系。本文件适用于黑白和彩色数码照相机光电转换函数的测量。

Basic information
Standard No:GB/T 19894-2025
Standard Name:数码照相机 光电转换函数(OECFs)的测量方法
English Name:Digital still-picture cameras—Methods for measuring opto-electronic conversion functions(OECFs)
Standard Status:现行
Release Date:2005-09-09
Effective Date:2026-02-01
Language of Publication:中文简体

Standard Classification
ICS Number:37.040.10
CCS Number:N46

Related Standards
Referenced Standards:ISO 5-1,ISO 5-2,ISO 5-3,ISO 5-4,ISO 516,ISO 554,ISO 7589:2002
Adopted Standards:ISO 14524:2009
Adopted Standard Name:《摄影 数码照相机 光电转换函数(OECFs)的测量方法》
Adoption Level:IDT

Publication Information
Number of pages:28
Number of words:41 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-08-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:19894
Drafter:闵歆、张毓栋、钱丽夏、胡丽华、王均
Drafting Organization:中国传媒大学、杭州照相机械研究所有限公司、杭州国照检测技术有限公司
Management Organization:全国照相机械标准化技术委员会(SAC/TC 107)
Proposing Department:中国机械工业联合会

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