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Joint near-lossless watermarking and compression for the authentication of remote sensing images

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4 Author(s)
R. Caldelli ; Dept. of Electron. & Telecommun., Florence Univ., Italy ; G. Macaluso ; M. Barni ; E. Magli

In this paper we present a new watermarking algorithm for joint near-lossless compression and authentication of remote sensing images. The adopted compression algorithm is the standard JPEG-LS algorithm. Our methodology has been designed by integrating into the standard JPEG-LS compression algorithm, by means of a stripe approach, a known authentication technique derived from Fridrich. This procedure points out two advantages: firstly, the produced bit-stream is perfectly compliant with the JPEG-LS standard, secondly, when the image has been decoded, it is always authenticated because information has been embedded in the reconstructed values. Near-lossless coding does not harm authentication procedure and robustness against different attacks is preserved

Published in:

Geoscience and Remote Sensing Symposium, 2004. IGARSS '04. Proceedings. 2004 IEEE International  (Volume:1 )

Date of Conference:

20-24 Sept. 2004