how to plot heat map coordinates density?

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Yan Zhu
Yan Zhu 2017-3-14
回答： Image Analyst 2017-3-14
I have a 1512*1 struct data which contains the coordinates of 1512 points. I want to plot the distribution density heat map according to this coordinates(i.e. the region contain more points will displayed with warmer colour, less points with cooler colour). The coordinates are botain with
s = regionprops(BWbi, 'Centroid');
and I want to plot the heat map overlay on image call 'patch'

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回答（1 个）

Image Analyst
Image Analyst 2017-3-14
Try scatteredInterpolant().

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