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24 October 2006 A multifocus image fusion new method based on multidecision
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A novel method of multi-decision of multi-focus image fusion on the basis of wavelet transform is presented for the sake of standing out clear characteristics and keeping detail information of original images. Low frequency part utilizes definition whose evaluating function is sum of Laplacian operator in the eight directions. High frequency parts utilize spatial frequency, which is calculated only one direction that is the same as high frequency direction, whose method decreases workload. Besides the traditional evaluating measures of fused image quality, which are entropy and cross entropy, the newest universal measures which combines objective and subjective factors, and the spatial frequency presented by this paper based on three directions which are horizontal, vertical and diagonal, are also used. These evaluating methods don't require a reference image. The experimental results show that the fused image obtained by proposed method has good effect, and the proposed method is superior to the other given algorithms.
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Yajie Wang and Xinhe Xu "A multifocus image fusion new method based on multidecision", Proc. SPIE 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence, 63570G (24 October 2006);

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