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1 Fundamenta Informaticae

1 2004

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A Refined VQ-Based Image Compression Method

Chan Y-K, Wang H-F., Lee C-F.

Fundamenta Informaticae

2004

Vol. 61, nr 3,4

213-221

This paper presents a refined VQ-based image compression method which modifies the traditional VQ-based image compression method. The refined VQ-based image compression method further lossless encodes the compression data which is generated by the traditional VQ-based image compression method into a set of compression codes. The index image generated by the refined method is a contracted image of the compressed image, which can be used as the preview of the compressed image on image management. Although the PSNRs of the reconstructed images that are decoded by the refined VQ-based image compression method and the traditional VQ-based image compression method are the same, the refined VQ-based image compression method provides a better storage efficiency.