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New tree structure with conditional height difference for wavelet transform image coding

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3 Author(s)
Yongkyu Kim ; Dept. of Electron. Eng., Yonsei Univ., Seoul, South Korea ; Hyoung Gon Kim ; Kuy Tae Park

The proposed tree structure for image coding exploits the similarity between hierarchical bands of the wavelet transform. Each node has a height attribute and the tree structure is represented as a conditional height difference to remove the statistical dependency between hierarchical nodes. For the 512×512 Lena image, the result shows above 40 dB at 1 bit/pixel

Published in:

Electronics Letters  (Volume:31 ,  Issue: 2 )