Paper: | DISPS-P1.4 | ||
Session: | VLSI Algorithms and Architectures for DSP | ||
Time: | Friday, May 21, 09:30 - 11:30 | ||
Presentation: | Poster | ||
Topic: | Design and Implementation of Signal Processing Systems: Hardware for Image and Video Coding | ||
Title: | AN IMPROVED ALGORITHM FOR RATE DISTORTION OPTIMIZATION IN JPEG2000 AND ITS INTEGRATED CIRCUIT IMPLEMENTATION | ||
Authors: | Xiang Xie; Tsinghua University | ||
Zhihua Wang; Tsinghua University | |||
Chun Zhang; Tsinghua University | |||
Li Zhang; Tsinghua University | |||
Abstract: | The Rate Distortion Optimization (RDO) plays an important role in JPEG2000 encoder. An improved RDO algorithm is presented in this paper. The proposed algorithm is suitable for integrated circuit implementation and can reduce the computational cost. A hardware architecture which includes control unit, memory, divider, data converter is also given to implement the algorithm. The circuit based on the improved algorithm has been integrated in a JPG2000 chip codec core. | ||
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