A novel LBG algorithm for image compression in wavelet transform domain

Authors:
Somphob Soongsathitanon
Affiliations:
Nuclear Medicine Division, Department of Radiology, Faculty of Medicine at Siriraj, Mahidol University, Bangkoknoi, Bangkok, Thailand
Venue:
MATH'07 Proceedings of the 11th WSEAS International Conference on Applied Mathematics
Year:
2007

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Abstract

The paper presents a novel LBG algorithm for image compression in wavelet transform domain. The performance of the algorithm is evaluated by using standard 512×512 benchmark still images and the results compared to the traditional well-known JPEG standard. The important metric of time and Peak Signal to Noise Ratio are used to evaluate the novel algorithm. The results show that the strength of the algorithm lies in the speed of operation as it is much faster than the JPEG standard. It has speed advantages of almost 41% over the JPEG standard. Further more, the accuracy of the prediction of the Novel algorithm is better than that of the JPEG standards.