Low Frequency Part Dropping and Self-adapt in Digital Graphics Transfer
Zhishu Li · Jisuanji yingyong yanjiu · 2005
The image transfer need decrease the size because of the channel bandwidth requirement. At first, the image sen-der disparts the image by blocks, the use the DCT (Discrete Cosine Transform), by the cooperation of the human eye’s low pass, the image can discard some low frequency positive by some roles. At the same time, the image receiver recovers the image by the image rebuild technology and make the image to be original.