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From: zlf lf on 4 Apr 2010 11:30
I have a smooth x-y curve (one x value corresponds one y value) with some noisy points. The noisy point's y value differs largely from its neigbhours. How can I detect the noisy points?

Thanks

superZZ
From: ImageAnalyst on 4 Apr 2010 12:13
superZZ:
You can try to subtract a median filtered version from the noisy
original and check for values that exceed some threshold.

Or you can try Brett Shoelson's deleteoutlier function:
http://www.mathworks.com/matlabcentral/fileexchange/3961

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