AN OPTIMIZED BLOCK ESTIMATION BASED IMAGE COMPRESSION AND DECOMPRESSION ALGORITHM
Journal: International Journal of Computer Engineering and Technology (IJCET) (Vol.7, No. 1)Publication Date: 2016-02-23
Authors : JNVR SWARUP KUMAR; R DEEPIKA;
Page : 9-17
Keywords : Compression; Block Size; Probability; Encode; Decode; Iaeme Publication; IAEME; Research; Engineering; IJARET;
Abstract
In this paper, we implemented a new model of image compression and decompression method to search the aimed image based on the robust image block variance estimation. Many methods of image compression have been proposed in the literature to minimize the error rate and compression ratio. For encoding the medium type of images, traditional models use hierarchical scheme that enables the use of upper, left, and lower pixels for the pixel prediction, whereas the conventional raster scan prediction methods use upper and left pixels. In this proposed work, we have implemented block estimation and image distortion rate to optimize the compression ration and to minimize the error rate. Experimental results show that proposed model gives a high compression rate and less rate compared to traditional models.
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Last modified: 2016-05-23 17:04:22