EFFICIENT IMPLEMENTATIONS OF WAVELET TRANSFORMS ―AROADMAP

摘要

The two major implementation methods for the discrete, two-dimensional binary-tree wavelet decomposition are presented. They are proposed in the context of efficient coupling with coding algorithms of compression standards, namely JPEG-2000 and MPEG-4. When implemented in software or hardware systems, they are capable of producing in real-time the binary-tree decomposition of the entire input image with a higher sample-rate. This is achieved by dividing and localizing the processing into small blocks of data. These blocks can efficiently be handled by a cache hierarchy in a programmable processor or by a custom-hardware design.