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In this paper, we present a simple yet effective method that takes advantage of the gradient information to accomplish the multi-exposure image composition in both static and dynamic scenes. Given multiple images with different exposures, the proposed approach is capable of producing a pleasant tone mapped-like high dynamic range (HDR) image by compositing them seamlessly with the guidance of gradient-based...
In recent years, the classic encryption architecture based on chaotic map-??confusion diffusion?? has been investigated. Among them, a two dimension Cat map is usually employed in confusion phase as an image can be seen as a two dimension array, meanwhile the flew of Cat map is obvious, that is the key space of it is not large enough. In the proposed encryption scheme, the Cat map is not with the...
Directly marking tool encoding information in Data Matrix symbol is a good means to realize its effective inventory control and working process supervision in a digital workshop. How to quickly and correctly identify the information is the key of the tool lifecycle management. The paper puts forward a set of identification method on tool encoding information and has achieved it, and in detail explains...
Aiming at the characteristics of the marrow cell image, proposed a new method to calculate local regularity and got a appropriate threshold using multi-fractal spectrum so that accurate edges of different kinds of cells can be detected. Proposed a new genetic clustering algorithm based on entropy to classify the marrow cells. Through the experiences, better result can be attained.
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