期刊名称：International Journal of Reviews in Computing
印刷版ISSN：2076-3328
电子版ISSN：2076-3336
出版年度：2014
卷号：13
出版社：Little Lion Scientific Research and Developement
摘要：This paper has presents a review on the different image fusion techniques. The main application of image fusion in multi-focus cameras to combine information from multiple images of the same scene in order to deliver only the multi focused image. The discrete cosine transforms (DCT) based methods of image fusion are more suitable and time-saving in real-time systems using DCT based standards of still image or video. In this paper an efficient approach for fusion of multi-focus images based on variance calculated in DCT domain is presented. The overall goal is to find the gaps in existing literature and suggesting a suitable method to reduce the gaps of existing techniques.
关键词：Image fusion; Multi-focus; Visual Sensor; DCT; and PCA
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