JAVA数字图像处理，对图像进行采样！图像Miss.jpg为256×256，采样得N值可以是256，128，64，32，16等-JAVA digital image processing, image sampling! Miss.jpg images for 256 × 256, sampling a N value can be 256,128,64,32,16, etc.

JAVA数字图像处理，对图像进行量化！图像Miss.jpg为256×256，量化值K可以为256，128，64，32，16，8，4，2-JAVA Digital Image Processing, to quantify the image! Miss.jpg images for 256 × 256, to quantify the value of K can 256,128,64,32,16,8,4,2

create a standard MAC based on a CBC block cipher (64 or 128 bit block). This will produce an authentication code the length of the block size of the cipher.