A SURVEY ON LOSSLESS AND LOSSY IMAGE COMPRESSION TECHNIQUES
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Abstract
With the growth of multimedia technology over the past decades the demand for digital information increases dramatically. This Paper gives review of two different compression techniques. Digital images are compressed of an enormous amount of data. reduction in the size of the image data for both storing and transmission of digital images are becoming increasingly important as they find more applications. Image compression is an mapping from an higher dimension space to lower dimension space. The basic goal of image compression is to represent an image with minimum number of bits of an acceptable image quality.
In lossless compression, the image after compression and decompression is identical to the original image and every bit of information is preserved during decomposition process. In lossy compression the reconstructed image contains degradation with respect to the original image.
In lossless compression, the image after compression and decompression is identical to the original image and every bit of information is preserved during decomposition process. In lossy compression the reconstructed image contains degradation with respect to the original image.
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