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A detail extraction technique for image coding using morphological Laplacian operator

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2 Author(s)
Jinwoo Eo ; Dept. of Electron. Eng., Dankook Univ., Seoul, South Korea ; Huijun Kim

In this paper, an efficient detail extraction technique for a progressive coding scheme is proposed. The existing technique using the top-hat transformation yields an efficient extraction scheme for isolated and visually important details, but yields inefficient results containing significant redundancy for extracting the contour information. The proposed technique using the strong edge feature extraction property of the morphological Laplacian in this paper can reduce the redundancy and thus provides a lower bit-rate. Experimental results show that the proposed technique is more efficient than the existing one, and promise the applicability of the morphological Laplacian operator

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TENCON 99. Proceedings of the IEEE Region 10 Conference  (Volume:1 )

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