Intraframe compression of radar image sequences for ship traffic control applications

Alessandro Andreadis; Giuliano Benelli; Andrea Garzelli; S. Susini

doi:10.1117/12.251266

16 September 1996 Intraframe compression of radar image sequences for ship traffic control applications

Alessandro Andreadis, Giuliano Benelli, Andrea Garzelli, S. Susini

Proceedings Volume 2952, Digital Compression Technologies and Systems for Video Communications; (1996) https://doi.org/10.1117/12.251266
Event: Advanced Imaging and Network Technologies, 1996, Berlin, Germany

Abstract

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.

Citation Download Citation

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); https://doi.org/10.1117/12.251266

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KEYWORDS

Image compression

Radar

Chromium

X band

Data compression

Antennas

Automatic target recognition

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