A simplified SPIHT algorithm

Jun Ren Ding; Jar Ferr Yang

doi:10.1080/02533839.2008.9671425

A simplified SPIHT algorithm

Jun Ren Ding, Jar Ferr Yang

Institute of Computer and Communication Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	715-719
Number of pages	5
Journal	Journal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume	31
Issue number	4
DOIs	https://doi.org/10.1080/02533839.2008.9671425
Publication status	Published - 2008 Jan 1

All Science Journal Classification (ASJC) codes

Engineering(all)

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10.1080/02533839.2008.9671425

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AB - 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.

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A simplified SPIHT algorithm

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