Supplementary loss concealment technique for image transmission through data hiding

Authors:
Kyung-Su Kim;Hae-Yeoun Lee;Heung-Kyu Lee
Affiliations:
Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea 305-701;School of Computer and Software Engineering, Kumoh National Institute of Technology, Gumi, South Korea;Department of Electrical Engineering and Computer Science, Korea Advanced Institute of Science and Technology, Daejeon, South Korea 305-701
Venue:
Multimedia Tools and Applications
Year:
2009

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Abstract

This paper addresses a loss concealment technique of image transmission in error prone environments. Imperfect transmission of imagery results in the loss of lines or blocks. Previous concealment techniques utilize the spatial, spectral, or temporal redundancy of the imagery. We propose a supplementary loss concealment technique that uses a data-hiding method. We divide an image into 8驴脳驴8 pixels blocks and generate block description information of each block. The block description information is inserted into other blocks in the same image through LSB-based data hiding. Missing lines or blocks during transmission are restored by extracting this block description information. The technique to resist against lossy compression is also considered. We have performed a simulation to show the outstanding performance of the proposed technique in comparison with other loss concealment methods.