How can I use the nearest neighbor interpolation and exclude the use of a specific value?

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Taylor Shropshire
Taylor Shropshire 2017-5-17
评论： Taylor Shropshire 2017-5-18
I would like to interpolate using the "nearest" method.
I have an 2D array that has zeros and non zeros.
I would like the interpolation to select the nearest non-zero value.
I have been looking around the matlab forums and have not been able to find a solution.
  2 个评论
Jon
Jon 2017-5-17
Seems ill-posed. If you have a pixel who has 7 nonzero neighbors (all different values) and only one zero neighbor, which of the 7 pixels do you choose?
Taylor Shropshire
Taylor Shropshire 2017-5-18
Hey Jon,
Thanks for your response.
In the case you described above I would assume that the value would be the average of all 7 non-zero points.
I was thinking this is what the interpolate "nearest" function does if all the points are equally close.

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