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).

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通过数模转换、彩色编码、边缘锐化、透视显示、多元图象迭合等处理，获得常规物探数据处理方法难于获得的某些地球物理信息。

Some new geo-physical informations can be acquired by such as the digital analog conversion, color code, edge sharpening, perspective display and multivariableimage overlapping.

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本文讨论了位相调制彩色编码输出图象的色度、亮度随调制深度变化的规律。

The variation of brightness and chromaticity of output image with modulation depth in phase-modulated colour encoding image is investigated.

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