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A Novel Optimum Technique for JPEG 2000 Post Compression Rate Distortion Algorithm

. International Journal on Information Technology IJIT, 1 (2): 6 (September 2011)

Abstract

The new technique we proposed in this paper based on Hidden Markov Model in the field of post compression rate distortion algorithms certainly meet the requirements of high quality still images. The existing technology has been extensively applied in modern image processing. Development of image compression algorithms is becoming increasingly important for obtaining a more informative image from several source images captured by different modes of imaging systems or multiple sensors. The JPEG 2000 image compression standard is very sensitive to errors. The JPEG2000 system provides scalability with respect to quality, resolution and color component in the transfer of images. But some of the applications need certainly qualitative images at the output ends. In our architecture the Proto-object also introduced as the input ant bit rate allocation and rate distortion has been discussed for the output image with high resolution. In this paper, we have also discussed our novel response dependent condensation image compression which has given scope to go for this post compression Rate Distortion Algorithm (PCRD) of JPEG 2000 standard. This proposed technique outperforms the existing methods in terms of increasing efficiency, optimum PSNR values at different bpp levels. The proposed technique involves Hidden M arkov M odel to meet the requirements for higher scalability and also to increase the memory storage capacity.

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