AN IMAGE ENLARGEMENT METHOD USING ITERATED FUNCTION SYSTEM(International Workshop on Advanced Image Technology 2006)

概要

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This paper proposes an effective image enlargement method based on an Iterated Function System (IFS), which is well-known as an image coding method. The IFS can reconstruct an image of a different size from the coding target image's. Based on this property, this paper expands the IFS for coding to a method for the image enlargement. However, if the IFS is simply expanded for the image enlargement use, it cannot achieve accurate enlargement. For example, the block-wised procedures of the IFS make a problem that the enlarged images suffer from block noise. Therefore, the proposed method is realized by not only the expansion but also some modifications. Some simulation results are shown to verify that the performance of the proposed method is higher than that of the conventional methods.
社団法人電子情報通信学会の論文
2006-01-02