M.Y. Sanavullah

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This paper proposes an optimized dequantization array for JPEG compression scheme. The Joint Photographers Expert Group (JPEG) algorithm is a powerful lossy compression strategy for still image. The existing JPEG block compression approach results in poor visual quality because of creating discontinuities at low bit rates. Moreover, if the decompressed(More)
Discovery of efficient association rules has been found useful in many applications. However, without fully considering the importance and significance of items and transactions, it is noted that some discovered rules may be expired from users' interest. This paper proposes a novel technique to solve this problem. Utility measures play an important role in(More)
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