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AN APPROACH TO IMAGE RETRIEVAL BY COMBINING COLOR AND SPATIAL INFORMATION

Wei Na Geng Guohua Zhou Mingquan (Department of Computer Science,Northwest University,Xi'an 710069)  
We have adopted a new image retrieval method called the color correlogram and used it for image indexing and comparison.As for distance measurements,an experiment was designed to evaluate the effectiveness of four sorts of similarity measurements.The test has been applied to a medical image database developed by the Institute of Visualization Technology in Northwest University.It has been proved that the method can get better recall ratio and precision ratio.
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