In this paper, a new lossy to lossless image coding scheme combined with Orthogonal Polynomials Transform and Integer Wavelet Transform is proposed. The Lifting Scheme based Integer Wavelet Transform (LS-IWT) is first applied on the image in order to reduce the blocking artifact and memory demand. The Embedded Zero tree Wavelet (EZW) subband coding algorithm is used in this proposed work for pr...

Embedded zerotree wavelet (EZW) coding, introduced by J. M. Shapiro, is a very e ective and computationally simple technique for image compression. Here we o er an alternative explanation of the principles of its operation, so that the reasons for its excellent performance can be better understood. These principles are partial ordering by magnitude with a set partitioning sorting algorithm, ord...

Recent success in wavelet image coding is mainly attributed to a recognition of the importance of data organization and representation. There have been several very competitive wavelet coders developed, namely, Shapiro's (1993) embedded zerotree wavelets (EZW), Servetto et al.'s (1995) morphological representation of wavelet data (MRWD), and Said and Pearlman's (see IEEE Trans. Circuits Syst. V...

Embedded zerotree wavelet EZW coding introduced by J M Shapiro is a very e ective and computationally simple technique for image compression Here we o er an alternative explanation of the principles of its operation so that the reasons for its excellent performance can be better understood These principles are partial ordering by magnitude with a set partitioning sorting algorithm ordered bit p...

Exchange of databases between hospitals needs efficient and reliable transmission and storage techniques to cut down the cost of health care. This exchange involves a large amount of vital patient information such as biosignals and medical images. Interleaving one form of data such as 1-D signal over digital images can combine the advantages of data security with efficient memory utilization (N...

AlbstructEmbedded zerotree wavelet (EZW) coding, introduced by J. M. Shapiro, is a very effective and computationally simple technique for image compression. Here we offer an alternative explanation of the principles of its operation, so that the reasons for its excellent performance can be better understood. Theise principle9 are partial ordering by magnitude with a set parlitioning sorting al...

We apply the dynamic bit allocation to the block-based EZW algorithm for robust image compression. To optimize the performance of the bit allocation, the eeect of the channel noise is concerned. The robustness of our method was evaluated.

A new image compression algorithm is proposed, based on independent embedded block coding with optimized truncation of the embedded bit-streams (EBCOT). The algorithm exhibits state-of-the-art compression performance while producing a bit-stream with a rich set of features, including resolution and SNR scalability together with a "random access" property. The algorithm has modest complexity and...

ii ACKNOWLEDGEMENTS I would like to state my sincere gratitude to Dr. Teerapat Sanguankotchakorn, my thesis advisor, for his valuable advice, excellent guidance and constant encouragement throughout my thesis period. Without his contributive help, this thesis would not have been completed successfully. Tripathi for their kind consideration to serve as my examination committee members, and their...