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Multiwavelet Reconstruct Image Enhancement using 1 and 2 OrderApproximations Based on Multi-Stage Vector Quantization | ||
| Diyala Journal For Pure Science | ||
| Article 1, Volume 7, Issue 3, 2011, Pages 162-173 | ||
| Authors | ||
| Muneera Abed Hmdi Al-Saedi; Adil Abdulwahhab Ghidan Al-Azzawi | ||
| Abstract | ||
| One from the most problems of multiwavelet transform is listing by the existing imagecoding standards generally degrades at low bit-rates and lose some of data after applyingimage reconstruction because of the underlying block based. Due to implementationconstraints multiwavelets do not posses all the properties such as orthogonally, short support,linear phase symmetry, and a high order of approximation through vanishing momentssimultaneously, which are very much essential for signal processing. New class of waveletscalled ‘Multiwavelets’ which possess more than one scaling function overcomes thisproblem. This paper presents a new image technique scheme based on reconstructapproximation of Multiwavelets coefficients along with multistage vector quantizationnamed as Multi Stage Vector Quantization using the inverse computation of multiwavelettransform, after apply the multi-stage vector quantization named as (MSVQ-IDMWT). Theperformance of the proposed scheme is compared with the results obtained from regulartechnique of reconstructing (IDMWT) from the SNR and PSNR values. | ||
| Keywords | ||
| Multiwavelet transform; Reconstructed Image Enhancement; and; multi; Stage Vector Quantization | ||
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