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An algorithm for binary codebook design based on the average bitmap replacement error (ABPRE) | ||
| Baghdad Science Journal | ||
| Article 1, Volume 8, Issue 2, 2011, Pages 684-688 | ||
| Author | ||
| Maha A. Hameed | ||
| Abstract | ||
| In this paper, an algorithm for binary codebook design has been used in vector quantization technique, which is used to improve the acceptability of the absolute moment block truncation coding (AMBTC) method. Vector quantization (VQ) method is used to compress the bitmap (the output proposed from the first method (AMBTC)). In this paper, the binary codebook can be engender for many images depending on randomly chosen to the code vectors from a set of binary images vectors, and this codebook is then used to compress all bitmaps of these images. The chosen of the bitmap of image in order to compress it by using this codebook based on the criterion of the average bitmap replacement error (ABPRE). This paper is suitable to reduce bit rates (increase compression ratios) with little reduction of performance (PSNR). | ||
| Keywords | ||
| Absolute Moment Block Truncation Coding; Vector Quantization; bitmap image and the criterion of the average bitmap replacement error | ||
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