International Conference on Information Technology and Computer Science, 3rd (ITCS 2011)
129 Classified Frequency Sensitive Self-Organizing Maps Algorithm Based on Variance Threshold
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This paper presents a new CFSOM (classified frequency sensitive self-organization mapping) algorithm based on self-organization mapping (SOM) and its improved algorithm that is frequency sensitive self-organization mapping (FSOM) algorithm. The CFSOM algorithm can consider the edge feature and high-frequency detail of the tested image. Experiment results shows that the peak signal-to-noise ratio (PSNR) of the reconstructed image using CFSOM algorithm is higher than that using SOM and FSOM algorithm, that is the reconstructed image quality with CFSOM algorithm has better than that with SOM and FSOM algorithm.