A simplified SPIHT algorithm

Jun Ren Ding, Jar Ferr Yang

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

Based on the SPIHT algorithms, we define two modifications to develop a simpler image coding method. The first concept is obtained from the relationship between the bit-planes and the target bit-rate. The second concept is obtained from the relationship between the initial threshold and the target bit-rate. Based on the abovementioned concepts, we can discard the refinement pass and improve the image quality at different target bit-rates. The simulation results show that in comparison with the original SPIHT algorithm, the proposed algorithm can reduce memory usage by approximately 50% and computation time by approximately 30% with an acceptable PSNR loss.

All Science Journal Classification (ASJC) codes

  • 工程 (全部)

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