彩色图像是指每个像素由R、G、B分量构成的图像，其中R、G、B是由不同的灰度级来描述的。
本文提出的彩色图象压缩方法基于BTC(块截断编码)和PCA(主成分分析)的有效结合。
A method is presented here for color image compression which is based on efficient combination of Block Truncation coding (BTC) and Principal Component Analysis (PCA).
通过本仪器可将2～3张不同反差的黑白图象一次合成为彩色图象，用于金相显微图象检测及分析。
Through applying the synthesizer 2-3 pieces of black-and-white photos of different contrast can instantly be synthesized into colored photos to be used in testing and analysing metallogical m…
延时解调器将相邻二行的色度信进行平均使彩色图象垂直分解力下降，本文对这一问题进行分析和讨论。
On the average of two line chroma signal in succession, delay demodulator made color image vertical resolution reduce, the paper analyses and discusses this question.
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