Basic study of threshold calculation of multi-directional switching median filter based on the edge data

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  • 多方向型スイッチングメジアンフィルタのエッジ情報をもとにしたしきい値算出の基礎検討
  • タホウコウガタ スイッチングメジアンフィルタ ノ エッジ ジョウホウ オ モト ニ シタ シキイチ サンシュツ ノ キソ ケントウ

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Abstract

Multi-directional switching median filter (Multi-directional SMF) is a method to remove impulse noise from an image effectively. When we use this method, we need to set a threshold for each image. However, a decisive method has not been established yet. We considered that the values of the edge data of the image would be the key factors in deciding the threshold. We studied the relationship between the statistic values of the edge data and the threshold for each image. Our experiments confirmed that there is some relationship between them, and we propose one threshold calculating method here.

Journal

  • ITE Technical Report

    ITE Technical Report 37.35 (0), 23-26, 2013

    The Institute of Image Information and Television Engineers

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