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Efficient Classification of Scanned Media Using Spatial Statistics
Authors: G. Unal, G. Sharma, R. Eschbach
Published in: International Journal of Pattern Recognition and Artificial Intelligence, to appear in Vol 24, No. 6, (2010) 917--946
Publication year: 2010
Abstract: We address the automatic classification of scanned input media in order to improve color calibration. Since scanner responses vary significantly according to the t y o~f in put. a media dependent color calibration fur a scanner is desirable lo scanner responses to a standard color space. dependent calibration, we propose an efficient algorithm for automated classification of input media into four major classes corresponding to photographic. lithographic. xerographic. and inkjet. Our technique exploits the strong correlatinn between the type of input medium and the spatial statistics of corresponding images. which may be observed in the scanned images. Adopting two spatial statistical measures ofdispersion and periodicity. and utilizing extensive training data. we determine well separated decision regions to classify the input medium with a high confidence level. Experimental results over an independent test data set validate the results.
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