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The Reserch of Granular Computing Applied in Image Mosaic

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Author(s): Xiuping Ping

Journal: TELKOMNIKA
ISSN 1693-6930

Volume: 11;
Issue: 3;
Date: 2013;
Original page

Keywords: Image Mosaic | Granular Computing | Information Granule | Feature Points

ABSTRACT
Based on the existing image mosaic technology, this paper introduces the granular computing, and obtains a simplified new algorithm. The image mosaic executed by this algorithm at first establishes correlation model on the basis of granular computing theory, and obtains edge map of each image needing mosaic. The new calculation method is used to calculate gradient of in different columns of edge map, to obtain the feature point coordinates with the maximum gradient; meanwhile, all feature points of two images are matched with each other, to acquire the best matching point. In addition, the error-correcting mechanism is introduced in the matching process, which is used to delete feature points with matching error. The correlation calculation is carried out for the matching pixels acquired by the above processing, to get the feature transformational matrix between two images.
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