Extrema of a PointCloud surface
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Hi,
I have a set of data points in 3D space (a matrix of (n x 3), in which each row corresponds to a point) that are extracted from a stl file and all together describe an irregular surface. I want to find the extrema of this surface. Is there anyway to do this in matlab? Attached is a sample file.
I know using the approach described in the following post we can find the extrema but the problem is that my data points are not continous and I cannot use meshgrid.
Thanks.
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darova
2020 年 6 月 20 日
編集済み: darova
2020 年 6 月 20 日
Here is the idea:
- use griddata to build a surface
- use imregionlmax to calculate extrema
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