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Impulse Noise Filtering Algorithm Based on Dual Threshold Criterion
Abstract:
In order to filter the impulse noise existing in the weld surface defect images, the traditional median filtering will dim image, even destroy some details in the image, We put forward a new filtering algorithm based on dual threshold Criterion. This way distinguishes the noise point and signal location in the first, and it only doing median filter to the noise point. Lastly, it solves the image’s boundary. We can find it when compared to the traditional median filtering and modified extremum median filtering, the way in this article can be good for filtration, and can keep the image’s details, which have obvious advantage.
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849-852
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Online since:
October 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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