摘要
提出了一种抗干扰能力强、高精度、低成本的色差计实现的方法。其采用IIC总线的16位高精度TCS3414CS颜色传感器和不受环境光线影响的光学积分球结构来实现颜色测量,并运用线性矩阵法对光谱三刺激值光谱响应曲线进行修正,基于CIE1976 Lab空间,计算出色差结果。采用ColorChecker与NCS标准颜色相近的色卡作为色差实验样本,实验结果表明其精度高。
One implementation method of colorimeter with strong anti-jamming, high-precision and low cost was proposed. Based on CIE1976 Lab space, this method could get the calculation result by adopting TCS3414CS 16 bit high-precision color sen- sor of IIC bus, achieving the color measurement with the optical integrating sphere not being affected by the ambient light, and revising the spectral tri-stimulus value response curve with linear matrix technique. Using the nearest color card between ColorChecker and NCS standard as color different experiment sample, the result indicates its high precision.
出处
《仪表技术与传感器》
CSCD
北大核心
2012年第2期28-30,33,共4页
Instrument Technique and Sensor
关键词
颜色传感器
卢瑟条件
光学积分球
光谱响应曲线
色差计
color sensor
Luther condition
optics integral ball
spectral response curve
color difference meter
