How to perform grayscale reconstruction by erosion

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rky
rky 2014-6-22
评论： Image Analyst 2014-6-23
On a gray scale image i want to perform reconstruction by erosion as well as reconstruction by dilation.

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Image Analyst
Image Analyst 2014-6-22
There is an imreconstruct that does reconstruction. You give it a smaller "marker" image and your larger binary image and it returns an image with only the blobs that have marker(s) in them. See my attached demos.
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rky
rky 2014-6-23
ok
but can you tell how to solve below problem
I know Imreconstruct is used for reconstruction purpose but my problem is as below
I have image f1
Then, I need to find regional minima RMIN of f1 as
f2 = RMIN(f1) = R* f1 (f1+1) - f1
where, R* f1 (f1 + h) is the grayscale reconstruction by erosion using f1 and (f1 + 1) as mask and marker images, respectively and R* is for reconstruction.

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