同时，根据色度学原理，研究了算法。
We have do some research in arithmetic based on principle of chrome.
根据色度学和数字图像处理原理，讨论了如何计算数字图像区域周长和致密度。
According to the chroma and digital image processing principle, we discussed the principle and method of calculating the regional circumference and density of the digital image.
本文介绍的矢量编码属于图像信息非保持编码，它是根据色度学理论来实现彩色图像数据压缩的。
The vector coding touched in this article is a kind of coding based on the theories of color metrics, which belongs to non-preserving coding of image information.
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