使用抖动创建图像。使用抖动得到的图像看上去有更多的颜色数；不适用抖动得到的图像看上去颜色数少，大门空间分辨率要高些。-Creating images using dithering. Jitter by using the image appears to have more number of colors not apply to jitter resulting image looks small number of colors, the door to higher spatial

1、用matlab编写采样和量化程序，并对比分析不同空间和幅度分辨率的数字化图像的效果；对比分析自己程序与matlab自带函数的效果； 2、用matlab编写彩色图变灰度图和二值图。-1, using matlab sampling and quantization procedures, and comparative analysis of the effect of different spatial and amplitude resolution digitized image