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《Journal of Northern Jiaotong University》 2001-02
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A Fast Algorithm and Its Application of 2-D Mean Value Filter

SHU Zhi long,RUAN Qiu qi(College of Computer and Information Technology, Northern Jiaotong University, Beijing 100044,China)  
Box filtering technique is applied to the computing of similarity measurement of intensity based on stereo matching and the processing of rectangular structure element in mathematical morphology, and the computing complexity is greatly reduced. Taking advantage of the relation between calculation of adjacent pixels, box filtering technique can reduce the computing operations. Its main advantage is that it approaches 4 operations for each pixel and is independent of the window size. In addition, this paper improves on the box filtering and reduces the whole time of the computing.
【Fund】: “8 63 -2”遥科学资助项目!(H2 0 0 0 -0 2 2 )
【CateGory Index】: TP391.4
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