how to fill a surface to obtain a 3D mask

4 次查看（过去 30 天）
Mads
Mads 2018-1-10
评论： Mads 2018-1-11
I have a script that gives me 3D coordinates of the surface of a 3D object.
I would like to obtain a mask in 3D where everything on and inside the surface is true, and everthing outside the surface is false.
The mask could for example be of size 64-by-64-by-64.
Roughly speaking a 3D version of imfill() that tolerates not all points being connected once they are placed in the mask grid.

请先登录，再回答此问题。

回答（1 个）

Image Analyst
Image Analyst 2018-1-10
Is there any problem with just doing it one slice at a time using imfill()?
  1 个评论
Mads
Mads 2018-1-11
When for a given slice the points are connected, there is no problem. But when the curve is not closed imfill() doesn't work. I have tried imdilate() followed by imerode() to "invent" the missing points, but the operations seem to be a bit too harsh on the other parts of the curve. I wonder if there is some interpolation method that can fill out missing portions of the curve to close it...

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 Image Segmentation and Analysis 的更多信息

标签

产品

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by