Concatenated wavelet/modified Hadamard-structured discrete cosine transform (MHDCT) coding of images

Majid Barazande-Pour; Jon W. Mark

doi:10.1117/12.205388

6 April 1995 Concatenated wavelet/modified Hadamard-structured discrete cosine transform (MHDCT) coding of images

Majid Barazande-Pour, Jon W. Mark

Proceedings Volume 2491, Wavelet Applications II; (1995) https://doi.org/10.1117/12.205388
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

Wavelet transform (WT) is concatenated with the modified Hadamard-structured discrete cosine transform (MHDCT) to encode image signals. As the outer code, the WT decomposes the image signals into uncorrelated low resolution and detailed signal components. As inner codes, the MHDCT adaptively encodes the low resolution signal, while the detailed signals are encoded using pulse code modulation (PCM). The concatenated coding approach offers the possibility of regulated coding for progressive transmission of the image signals over communication networks. Results of image coding using the concatenated WT/MHDCT coder are presented.

Citation Download Citation

Majid Barazande-Pour and Jon W. Mark "Concatenated wavelet/modified Hadamard-structured discrete cosine transform (MHDCT) coding of images", Proc. SPIE 2491, Wavelet Applications II, (6 April 1995); https://doi.org/10.1117/12.205388

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