The edge detection of numeric picture has a very important function in the image segmentation, pattern recognition, and machine vision and so on.
数字图像的边缘检测在图像分割、模式识别、机器视觉等中有很重要的作用。
To generate the picture on a computer screen, the computer assigns every pixel three numeric values that correspond to the amount of red, green or blue in the color the pixel displays.
要在屏幕上显示图像，计算机必须给每个像素分配相应的红、绿、蓝颜色比例的三项数值。
To generate the picture on a computer screen, the computer assigns every pixel three numeric values that correspond to the amount of red, green or blue in the color the pixel displays.
要在屏幕上显示图像，计算机必须给每个像素分配相应的红、绿、蓝颜色比例的三项数值。
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