Through the transformation of color space and the use of the up-to-date formula of color difference, the evaluating index such as SCAPSNR of the colorful images is defined.
2
推导出理想的信噪比公式时，首先定义信号的均方根。
When you derive the ideal SNR formula, you first define the RMS signal.
3
文章从噪声的组成入手，对信噪比进行定义，分析了噪声对图像质量的影响；
The article proceeds with the compositions of noise and defines the signal-to-noise, analyzes the influence of SNR on image quality;
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