Block truncation image bit plane coding

Yung-Gi Wu

doi:10.1117/1.1503345

1 October 2002 Block truncation image bit plane coding

Yung-Gi Wu

Optical Engineering, Vol. 41, Issue 10, (October 2002). https://doi.org/10.1117/1.1503345

Block truncation coding (BTC) is a successful image compression technique due to its simple and fast computational burden. The bit rate is fixed to 2.0 bits/pixel, whose performance is moderate in terms of compression ratio compared to other compression schemes such as discrete cosine transform (DCT), vector quantization (VQ), wavelet transform coding (WTC), etc. Two kinds of overheads are required for BTC coding: bit plane and quantization values, respectively. A new technique is presented to reduce the bit plane overhead. Conventional bit plane overhead is 1.0 bits/pixel; we decrease it to 0.734 bits/pixel while maintaining the same decoded quality as absolute moment BTC (AMBTC) does for the "Lena" image. Compared to other published bit plane coding strategies, the proposed method outperforms all of the existing methods.

©(2002) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Yung-Gi Wu "Block truncation image bit plane coding," Optical Engineering 41(10), (1 October 2002). https://doi.org/10.1117/1.1503345

Published: 1 October 2002

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