Multi-focus image fusion with half weighted gradient and self-similarity
Chao-ben Du , Ying Liu , She-sheng Gao
Optoelectronics Letters ›› : 311 -315.
Multi-focus image fusion with half weighted gradient and self-similarity
In order to get a satisfactory image fusion effect, getting a focus map is very necessary and usually difficult to finish. In this paper, we address this problem with a half weighted gradient approach, aiming to obtain a direct mapping between focus map and source images. Based on the advantages of multi-scale weighted gradient, while abandoning the shortcomings of weighted gradient, a new multi-focus image fusion method called half weighted gradient and self-similarity (HWGSS) is proposed. Experimental results validate that the proposed algorithm can obtain state-of-the-art fusion performance in terms of both qualitative and quantitative evaluations.
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