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23 February 2005 Automatic image enhancement by picture fusion
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Proceedings Volume 5678, Digital Photography; (2005)
Event: Electronic Imaging 2005, 2005, San Jose, California, United States
This paper describes an automatic technique able to fuse different images of the same scene, acquired with different camera settings, in order to obtain an enhanced single representation of the interested. This allows to extend the functionalities (depth of field, dynamic range) of medium and low cost digital cameras. When Multi-Scale Decomposition (MSD) is used on differently focused images, magnification and blurring effects of lens focusing systems often compromise the final image with unpleasant artifacts. In our approach new techniques able to reduce these artifacts are introduced. Even if the algorithm has been essentially designed to extend depth of field it can be also used on multi-exposed input images thus extending dynamic range. The algorithm can be applied on full colorand on Color Filter Array (CFA)images.
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Alfio Castorina, Alessandro Capra, Salvatore Curti, Edoardo Ardizzone, and Valentina Lo Verde "Automatic image enhancement by picture fusion", Proc. SPIE 5678, Digital Photography, (23 February 2005);

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