然而，如何识别和划分多光谱数据中的异常色调没有统一的标准。
However, there is no unified standard how to identify and classify anomaly hues of multi-spectral remote sensing data.
但它也需要基本颜色认证的具体色调和密度标准。
But it also requires that the basic colors are certified to specific hue and density standards.
由联合图像专家组织提出的一套连续色调静态影像压缩标准ISO 10918-1，即我们俗称的JPEG。
The compression standard for continues-tone still images(ISO 10918-1), which is made by Joint Photographic Experts Group, known as JPEG.
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