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16 September 1996 Intraframe compression of radar image sequences for ship traffic control applications
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In this paper, an intraframe scheme for high compression of X-band radar images for ship traffic control is proposed. We used a proprietary radar simulator which generates maritime scenarios as seen by one or more radar sites. We propose a modified adaptive discrete cosine transform (MADCT) scheme which allows us to classify each 8 by 8 image block by means of a threshold criterion based on ac and dc activity. The strategy of transmission of the DCT coefficients, the recovering process of blocks incorrectly discarded, and the bit-allocation phase have been properly designed to fit with the particular application. Accurate experimental results, in terms of PSNR and compression ratio, prove the superiority of the novel scheme with respect to standard coding techniques.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alessandro Andreadis, Giuliano Benelli, Andrea Garzelli, and S. Susini "Intraframe compression of radar image sequences for ship traffic control applications", Proc. SPIE 2952, Digital Compression Technologies and Systems for Video Communications, (16 September 1996);


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