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Lossless Image Compression for Transmitting Over Low Bandwidth Line

Author(s): G. Murugan | E. Kannan | S. Arun

Journal: International Journal of Computer Science and Information Security
ISSN 1947-5500

Volume: 9;
Issue: 9;
Start page: 140;
Date: 2011;
Original page

Keywords: ijcsis | Research Scholar | Singhania University & Sri Venkateswara College of Engg | Thiruvallur

The aim of this paper is to develop an effective loss less algorithm technique to convert original image into a compressed one. Here we are using a lossless algorithm technique in order to convert original image into compressed one. Without changing the clarity of the original image. Lossless image compression is a class of image compression algorithms that allows the exact original image to be reconstructed from the compressed data. We present a compression technique that provides progressive transmission as well as lossless and near-lossless compression in a single framework. The proposed technique produces a bit stream that results in a progressive and ultimately lossless reconstruction of an image similar to what one can obtain with a reversible wavelet codec. In addition, the proposed scheme provides near-lossless reconstruction with respect to a given bound after decoding of each layer of the successively refineable bit stream. We formulate the image data compression problem as one of successively refining the probability density function (pdf) estimate of each pixel. Experimental results for both lossless and near-lossless cases indicate that the proposed compression scheme, that innovatively combines lossless, near-lossless and progressive coding attributes, gives competitive performance in comparison to state-of-the-art compression schemes.
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