提出了基于嘴部亮度信息变化的唇动检测切分算法。

Proposing a lip movement detection algorithm based on the changes in intensity information of the mouth.

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在YUV色彩空间中，实现了对亮度信息进行增强，对色差保持不变的增强方法。

Carried out to enhance lightness, keep the chromatic aberration invariable in the YUV color space.

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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。

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.

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