This work is supported by the National Natural Science Foundation of China (No.60675026, No.60121302, No.90820011), 863 China National High Technology Development Project (No.20060101Z4073, No.2006AA01Z194), the National Grand Fundamental Research 973 Program of China (No.2004CB318105).
Density estimation via Gaussian mixture modeling has been successfully applied to image segmentation, speech processing and other fields relevant to clustering analysis and Probability density function (PDF) modelin...