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1
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0answers
29 views

Limited Opacity Levels in Image3D?

I'm trying to render a simple spherical distribution where the opacity varies with radius using Image3D. Unfortunately, the outcome is not very appealing, with ...
1
vote
1answer
39 views

What format can Image3D be exported to? [closed]

I made a 3D image by stacking 2D images (Image3D command). When I tried to export it, 3DS and X3D are not working. What format can I export?
18
votes
2answers
351 views

Object separation from a 2.5D surface

I'm trying to identify the shape and the boundaries of objects. The data was generated with a laser scanner and represent the surface of an area in which many boulders lay on the ground and making up ...
-9
votes
1answer
269 views

Plot The Cornu Parametric Spiral

How to plot the Cornu parametric Spiral in 3D With Mathematica. The 2D is quite easy. Thx. For more details you need to be familiar with the Cornu statement. $$\begin{cases} ...
4
votes
0answers
96 views

Challenge: Speeding up MaxDetect for application in 3D blob detection

In image segmentation it is a common problem that objects appear clustered and are therefore undistinguishable from each other when using simple algorithms. Based on this post I obtained efficient ...
3
votes
2answers
377 views

How can I define a 3d-body through different views? [closed]

In one of the maths blogs I follow I stumbled upon the following question: The bottom, side, and front views of an object are shown below: How would the object look in three dimensions? My ...
0
votes
1answer
197 views

How to work with 3D images of STL format

After importing a 3D image of STL format, my possibilities in regard to "3D Volumetric Image Processing" seems rather limited. All examples are given with TIFF files. Is there a way to convert from ...
0
votes
0answers
40 views

How to get shadow of a 3d object [duplicate]

Suppose that we have a box or a sphere or an other 3D object and a ponctual light source. How we can generate the cast shadow using mathematic? Is there any tools to render a shadow given the light ...
0
votes
3answers
329 views

Plotting Voxel in mathematica

I am developping a 3D reconstruction application. I recuperate the voxels coordinates (the coordinate of each voxel) of the object that I need to reconstruct. Each voxel have a dimensions like this ...
9
votes
1answer
129 views

What is the default ColorFunction for Image3D?

What is the default ColorFunction for Image3D? I find it a bit confusing that the most intense colour is not shown where the ...
5
votes
1answer
137 views

How to modify tick's range in Image3D

Suppose we have an array of color data ...
0
votes
0answers
166 views

Camera Simulator

I am developping a perspective camera simulator. For the moment, I am considering only the projection of a quadrics form that gives us a conic. For testing my simulator, I use povray an image ...
8
votes
1answer
260 views

How to convert Graphics3D object into an Image3D object?

How does one convert a Graphics3D object into an Image3D object? E.g., start with ...
3
votes
3answers
351 views

Image3D and Graphics3D

also I guess that the topic was tackled in Combining Image3D and Graphics3D. My question is quite similar: How do I match the coordinate Systems of Graphics3D and Image3D? Here some code: ...
18
votes
4answers
406 views

Running out of memory when partitioning an image with ImagePartition

I have an Image3D object of image type "Bit16" with the dimensions 1472 x 1472 x 1472 that I would like to split into small image cubes of dimension 64 x 64 x 64 ...
9
votes
1answer
251 views

Deconvolution of Image3D object using ImageDeconvolve

I am trying to get the ImageDeconvolve function to work with Image3D objects. In the documentation of ImageDeconvolve it says: ...
4
votes
0answers
576 views

computation of gradient vector field in 3D using GradientOrientationFilter

I want to compute a 3D gradient vector field of an Image3D object using the built-in GradientOrientationFilter function in Mathematica. From the documentation I ...
45
votes
2answers
2k views

Image segmentation and object separation in 3D using Mathematica

I currently work on an image segmentation scenario to detect cell nuclei in 3D using Mathematica. The data I have are image stacks in the TIFF file format. I would like to keep the sequence of image ...