Abstract
Data compression has been at an important stage, which not only needs to achieve higher compression ration but also needs to achieve the low distortion rate. High compression can make us be able to save the same data with smaller space; it can also be save the bandwidth of data transmission on networks. The proposed method is tried to further reduce the size of digital image and improve the visual quality of the decompressed image. The experimental results shows that the proposed method has better visual quality than VQ in case of AC codebook size is greater than 1024. On the other hand, the compression rate of VQ is 0.06 and the proposed method is 0.04 when AC codebook size set as 1024.
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Chou, YC., Chen, SH., Hou, MR. (2015). A Quality Improving Scheme for VQ Decompressed Image Based on DCT. In: Sun, H., Yang, CY., Lin, CW., Pan, JS., Snasel, V., Abraham, A. (eds) Genetic and Evolutionary Computing. Advances in Intelligent Systems and Computing, vol 329. Springer, Cham. https://doi.org/10.1007/978-3-319-12286-1_20
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DOI: https://doi.org/10.1007/978-3-319-12286-1_20
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-12285-4
Online ISBN: 978-3-319-12286-1
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