| 摘要 |
Device and method for coding an image for compressing a digital video signal, including the steps of (1) transforming a spatial domain of the video signal into frequency domain, and dividing the frequency domain into subband regions having relatively much meaningful information on an original video signal and subband regions having no relatively much meaningful information on the original video signal, (2) classifying the divided-subband regions into a plurality of scan blocks each having a block size, and (3) scanning in a scan block unit, whereby increasing a probability of consecutive zero run statistically, to improve the compression ratio.
|
