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Comparative Analysis of Image Compression using Image Interpolation and RICE Codes with Quadtree Encoding Resolution Grid and Rice Encoding

Author(s): Vaibhav Jain | Nitin Jain | L.C. Patidar

Journal: International Journal of Computer Applications
ISSN 0975-8887

Volume: 38;
Issue: 3;
Start page: 47;
Date: 2012;
Original page

Keywords: SPIHT | ROI Compression | MIC | Peak Signal to Noise Ratio (PSNR) | Compression Ratio (CR) | Tukey-wind | PG algorithm (Papoulis-Gerchberg method)

In this paper we have discussed compression and analysis of image using high resolution grid and SPIHT encoding technique. Firstly the original image is converted in to low resolution (less size) image, then quantization and SPIHT encoding, techniques are applied to compress the image. To restore the original image, the compressed image is decompressed (dequantized & decoded) and interpolation techniques using high resolution grid (tukey window and PG algorithm) are applied to achieve high resolution decompressed image. The PSNR of the high resolution decompressed image is high compared to PSNR of low resolution original image. At last we found the compression ratio is directly proportional to PSNR.
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