linearity|linearity and convolution

1.To convolute a image with a filer ,a good way to cut down the magnitude.
linearity|linearity and convolution
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QS:Is any matrix can be get by the convolution with two vectors?
2.Devison can be a linear function when the denominator is a constant.
3.Three ways about the boundary issues.


linearity|linearity and convolution
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And matlab code are listed below:


linearity|linearity and convolution
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4.Sharping filter


linearity|linearity and convolution
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5 Median filter to remove the salt and pepper noise,and be noticed that it is not a linear filter
【linearity|linearity and convolution】

linearity|linearity and convolution
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6.In order to avoid bluring the nice sharp in the sec box,median filter


linearity|linearity and convolution
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and the code is here:


linearity|linearity and convolution
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cite:
https://classroom.udacity.com/courses/ud810/lessons/3490398568/concepts/34996085510923

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