Layered image transmission based on embedded zero-tree wavelet coding

Wen-Jyi Hwang; Wen-Liang Hwang; Yeong-Cherng Lu

doi:10.1117/1.602174

1 August 1999 Layered image transmission based on embedded zero-tree wavelet coding

Wen-Jyi Hwang, Wen-Liang Hwang, Yeong-Cherng Lu

Optical Engineering, Vol. 38, Issue 8, (August 1999). https://doi.org/10.1117/1.602174

A new layered image transmission (LIT) design algorithm is presented. The algorithm allows various decoder devices with different resolution and rate requirements to share a common image encoder. The number of layers for the transmission as well as the resolution and the average rate associated with each layer can be determined from the requirements of the decoders. Based on the constraints for each layer, the successive approximation quantization scheme is used to encode images for transmission. In addition to LIT, the algorithm can also be used to design progressive image transmission (PIT) systems where image resolution during transmission can be controlled. Simulation results show that the new algorithm is very effective for constructing both LIT and PIT systems.

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Wen-Jyi Hwang, Wen-Liang Hwang, and Yeong-Cherng Lu "Layered image transmission based on embedded zero-tree wavelet coding," Optical Engineering 38(8), (1 August 1999). https://doi.org/10.1117/1.602174

Published: 1 August 1999

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