This paper proposes a simple and symmetrical scheme for the prediction and update operators in quincunx lifting, which is then applied into image coding based on Embedded Zerotree Wavelet (EZW) algorithm. In addition, we present a new strategy for taking quantization threshold by combining the power of 2 with the square of integer. The former is used for image coding at higher bit rates and the latter at lower bit rates. The experimental results demonstrate that the proposed method can improve the quality of the reconstructed image.
Embedded Zerotree Wavelet Based Image Coding via Quincunx Lifting
2008 Congress on Image and Signal Processing ; 1 ; 534-538
2008-05-01
359082 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Image coding using the embedded zerotree wavelet algorithm [2034-20]
British Library Conference Proceedings | 1993
|Rate-Distortion Optimized Zerotree Image Coding using Wavelet Transforms
British Library Conference Proceedings | 2003
|A Modified Embedded Zerotree Wavelet (MEZW) Algorithm for Image Compression
British Library Online Contents | 2008
|Embedded zerotree wavelets coding based on adaptive fuzzy clustering for image compression
British Library Online Contents | 2008
|