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Gdańsk University of Technology

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Adaptive Method of Raster Images Compression and Examples of Its Applications in the Transport Telematic Systems

The paper presents a concept and exemplary application of an adaptive method of compression of raster images which may be applied, i.a. in ITS systems. The described method allows to improve the efficiency of systems belonging to ITS category, which require transmission of large volumes of image data through telecommunications networks. The concept of the adaptive method of compression of raster images described in the paper uses a compressor with a variable compressor ration and is based on the dependence of the degree of compression of each transmitted digital image on the transmission conditions (defined by the average data transmission rate) and the number of digital images queuing in the buffer to be processed and transmitted.

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