方向加權中值濾波算法

馮星奎,肖興明,尹洪君(第二炮兵駐中國工程物理研究院型號辦事處,綿陽 621900)

摘 要

方向加權中值濾波算法是一種新的濾波方法.該方法用于指紋二值化圖象處理主要是充分運用指紋方向圖和模糊理論思想來構造濾波模板,其算法簡單,處理速度快,而且當方向不準確時,也可給出較正確的結果,因而大大增強了算法的抗干擾性.

關鍵詞

The Directional Medial Filtering with Weights

FENG Xing-kui,XIAO Xing-ming,YIN Hong-jun()

Abstract

A new filtering algorithm, i.e., the directional medial filtering with weights is proposed. The directional image of the fingerprint and the idea of the fuzzy theory are utilized to construct filtering template, so the method is simple and the speed is high. Moreover, comparatively correct result can be worked out when the direction isn't exact, which strengthens the capability of the algorithm against disturbance.

Keywords

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