And the method of the polynomial interpolation for sub-pixel edge measure was also studied elementarily.
同时对多项式插值亚像素边缘检测方法进行了初步的研究。
Conventional multi-directional interpolation method sometimes may cause some inaccurate edges when using it to restore lost blocks in a picture, because of unrelated edge in correctly received blocks.
传统的多方向插值方法对图像丢失块进行恢复时，在某些情况下由于受周围正确接收块内无关边界的影响而导致出现错误边界。
Based on the characteristics of human visual system in the interpolation process, the more accurate brightness information and edge information of the image can be obtained.
插值过程中利用了人眼的视觉特性，能够更精确地得到图像的亮度信息和边缘信息。
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