Proc. SPIE. 6789, MIPPR 2007: Medical Imaging, Parallel Processing of Images, and Optimization Techniques
KEYWORDS: Mobile devices, Image compression, Detection and tracking algorithms, Pattern recognition, Medical imaging, Data processing, Signal processing, Information technology, Bismuth, Evolutionary algorithms
An improved modified approach to compute the inverse discrete cosine transform (IDCT) is proposed based on B. G. Lee
algorithm. We replace the multiplication operator in original B. G. Lee algorithm with addition and shift operators and
looking-up table to implement the fix-point computation. Due to the absence of the multiplication operator, this modified
algorithm will take less time to complete the same computation.