Compression with reversible embedded wavelets with an enhanced binary mode

Zandi, Ahmad; Boliek, Martin P.; Schwartz, Edward L.; Keith, A.

doi:10.1109/icassp.1996.544837

1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings

DOI: 10.1109/icassp.1996.544837

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Compression with reversible embedded wavelets with an enhanced binary mode

Ahmad Zandi¹,

Martin P. Boliek²,

Edward L. Schwartz³

et al.

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Lossless image compression with multiscale segmentation

Ratakonda

Ahuja

2002

IEEE Trans. on Image Process.

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This paper is concerned with developing a lossless image compression method which employs an optimal amount of segmentation information to exploit spatial redundancies inherent in image data. Multiscale segmentation is obtained using a previously proposed transform which provides a tree-structured segmentation of the image into regions characterized by grayscale homogeneity. In the proposed algorithm we prune the tree to control the size and number of regions thus obtaining a rate-optimal balance between the overhead inherent in coding the segmented data and the coding gain that we derive from it. Another novelty of the proposed approach is that we use an image model comprising separate descriptions of pixels lying near the edges of a region and those lying in the interior. Results show that the proposed algorithm can provide performance comparable to the best available methods and 15-20% better compression when compared with the JPEG lossless compression standard for a wide range of images.

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Lossless image compression with multiscale segmentation

Ratakonda

Ahuja

2002

IEEE Trans. on Image Process.

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Compression with reversible embedded wavelets with an enhanced binary mode

Cited by 1 publication

References 8 publications

Lossless image compression with multiscale segmentation

Lossless image compression with multiscale segmentation

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