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Questions tagged [image3d]

Questions about Image3D, its relation to Graphics3D and other 3-dimensional image issues.

12
votes
2answers
213 views

3D Thinning algorithm in Mathematica

as far as I understood Thinning[] only works on 2D images thus far. Is there a library/piece of code that performs 3D Thinning in Mathematica? Max edit: I want ...
2
votes
0answers
27 views

Specifying different thickness for each graded contours of Mandelbrot Set so that I can export it as .STL file.

I am using Mandelbrot Set function in Mathematica to get the Mandelbrot plot. I want to 3d print this model, so want to specify thickness for each contour and then convert into .STL file. Is this ...
3
votes
1answer
80 views

Converting 3D graphics primitives to 3D image data

My goal is to produce a 3D dataset, from a scene of simple transformed shapes. The idea is that this data serves as a ground truth for some tomographic reconstruction problems. (For this, it is ...
0
votes
0answers
91 views

How do I overlay two images from Densityplot and ListDensityPlot?

I am trying to overlay two images as in the following (from here): I have a data in MS excel format here! (1) I want to select three columns for listdensityplot. This will serve as my background ...
2
votes
1answer
42 views

How to remove white margins of a rendered image of an Image3D object?

This question is related to this. In the case of Graphics3D, there is an option for Method->{"ShrinkWrap"->True}, however, ...
2
votes
0answers
52 views

Use List convolve for aligning images

I am trying to align images of point spread functions using a convolution. Before doing it on real data, I wanted to try on simulated data. I have no problem with the 1-D case where I create 2 ...
0
votes
2answers
69 views

Reproduce orthogonal images from 2d consecutive image set

I have 3474 images (png, 8bit, gey scale, horizontal size x=3107 pixels, vertical size y=1200 pixels). The images can be downloaded here: https://drive.google.com/open?id=1rK7xlbFIGMG4O3Z-...
3
votes
2answers
132 views

3D printing cardioid

I am hoping to 3D print some simple cardioid pictures, like the following: ...
1
vote
0answers
59 views

Saving in 2D and 3D in vectorial (pdf or svg) format

Good Day everybody, I have difficulties to save both 2D and 3D plots in vectorial format. I can get acceptable results if I save manually: righ-click on image, "Save Graphic as..." or "Print as...". ...
4
votes
0answers
46 views

What is a good source of public domain 3D images that can be imported into Mathematica?

I am interested in using some 3D images for a lesson I'm developing for kids, in which I want to show them various printouts of 2D cross-sections of the image and have them try to figure out what the ...
3
votes
2answers
68 views

How to combine density plot and a given image?

I have a sine plot and image, and I want to combine the two on 2D basis and 3D basis. I tried below:- ...
4
votes
1answer
86 views

How to add an image to the bottom of a ListPointPlot3D?

I am trying to plot the points of virus outbreak along time of 3 areas. I already have the data1, which have 3 columns: x-coordinate, y-coordinate and time. Then I ...
1
vote
0answers
24 views

Reading the color from a photo of a 3D object

While trying to cope with this problem, it came to me that I have no way of coloring the spikey correctly if I can't get to know the colors. The shapes could be easily judged, but the color gets ...
4
votes
1answer
160 views

Create 3D objects from 2D image and export as a 3D model

I want to create 3D objects from 2D image and export it as a "3ds" file (or "obj"). I tried: img=Import["https://i.imgur.com/orbbFG4.png"] ...
0
votes
0answers
107 views

How to implement a Cube 2: Sauerbraten octree?

I found this image of subdividing a cube based on octree model for the game "Cube 2: Sauerbraten octree". How can such an octree subdivision algorithm can be implemented? I also need a generalized ...
1
vote
1answer
137 views

Eliminate the black color of the “W” so that it is equal to the “S” using Mathematica?

I have searched the answers for a long time to help me with this but I can not find it. I tried to do with drawing programs but it looks good. How can I leave the "w" blank, respecting its shadows or ...
0
votes
1answer
31 views

The volume of the region enclosed around the Y-axis [duplicate]

The volume of the region enclosed by $x=y^{3}$, $x=0$, $y=2$, revolved around the Y-axis is? My question is, how would that solid be represented?
1
vote
2answers
112 views

The volume of the region enclosed by $x=y^3$, $x=0$, $y=2$ [duplicate]

The volume of the region enclosed by $x=y^{3}$, $x=0$, $y=2$, revolved around the X-axis is? My question is, how would that solid be represented?
6
votes
2answers
165 views

How to segment nuclei from a noisy image

(data can be downloaded from this link.) I am trying to segment and count nuclei in a noisy 3-D image stack and it is proving to be somewhat challenging. The strategy I could come up with requires ...
1
vote
2answers
111 views

Convert data from Image3D to ListPlot3D

Let's suppose I have created a 3d image of gray scale Images with: image3d = Image3D[Table[readImage[i], {i, numberOfImages}]]; and ...
0
votes
1answer
157 views

Image3D - plot physical axes scales

I have read in 600 thresholded gray scale images (located here - 14MB, png, 8bit, 300*200 pixel) into Image3D with: ...
4
votes
1answer
222 views

Image3D: Specify distance between image slices

When applying Image3D to an array of binary images, how can I specify the Z-depth between these images? Consider the RegionPlot3D of $x y z < 1$: ...
0
votes
0answers
198 views

How to dilate or erode a 3D geometry import with STL format?

I am a freshman to Mathematica. I just wonder if it is possible to dilate or erode directly the 3D geometry in STL format. I have tried to import a STL file and then used Dilation function. However, ...
5
votes
2answers
1k views

Create a 3D stack of 2D line plots [duplicate]

A simple concept but I've not been able to solve it. I'm trying to create a stack of 2D plots in 3D space using Mathematica 9. This is not a parametric plot, but I'm creating it from an array of ...
-1
votes
1answer
97 views

Importing a large number of 2d DICOM images and generating a 3D image from them [closed]

I would like to construct a 3D image from 900 2D images in DICOM format in a folder. I am fairly new to mathematica and would greatly appreciate your help. I am currently using Mathematica 11. I used ...
13
votes
1answer
400 views

How can Mathematica be used to create a 3D Maze with text like this?

Interesting Graphic that creates a cool visual 3D maze which could possibly be done in Mathematica but I haven't seen an example in 3D. Assuming a Randomized Prim's algorithm will work for the maze ...
3
votes
0answers
94 views

Stereogram in Mathematica: inverse question

I've seen in this wonderful post that it's possible to create a stereogram in Mathematica. But I didn't found anything regardless the inverse problem. Given a stereogram, is possible to retrieve the ...
0
votes
1answer
118 views

Custom Ticks for Image3D?

Is it possible to make user-defined ticks in an Image3D? (Wizardly solutions will be appreciated, too.) With ...
5
votes
0answers
130 views

Bug in Image3D?

On a fresh kernel, in an empty notebook, I go directly to the docs of Image3D and evaluate one of the Basic Examples: ...
2
votes
1answer
173 views

Interpolate discrete points to create a 3D surface and highlight points

I have some discrete points in 3D: https://www.dropbox.com/s/syl7w3s30tc30b9/amycoo.xlsx?dl=0 I have the following problem: I want to create a 3D surface from those points and need to somehow ...
1
vote
1answer
161 views

Visualize 3D Vector Field in Voxels with Mask

Is there a way to view a vector field specified in voxels with a mask? I have three 3D arrays with $x,y,z$ components of the fields at each voxel, as well as a 3D array of booleans saying which ...
1
vote
1answer
107 views

How to customize the Color Function Editor?

I'm happy with Mathematica's inbuilt Colour Function Editor. However, I wish to add some extra functionalities to this to make it customised for my purpose. For example, I wish to manipulate the ...
1
vote
0answers
166 views

How to design a simple 1D transfer function for volume visualization? [closed]

Consider a volume (MRI Head) from (http://www9.informatik.uni-erlangen.de/External/vollib/). I wish to design a simple 1D Transfer Function which will assign/map each intensity value to a specific ...
1
vote
0answers
110 views

Creating a 3D mesh on an Image3D Figure

I have a stack of images that I compile with the Image3D function. The resulting figure is 360x360x93 pixels and named "X". My goal is to mesh the figure. I have defined points that correspond the ...
0
votes
1answer
83 views

I have a short CT video of a BuffaloFish and i need to manipluate the Frames from the video to make a 3D model of the animals skeleton [duplicate]

I know i need to use Image3D but other than that, im not exactly sure on where to start? https://youtu.be/yPTEs6jE6B4 heres a link to the video.
0
votes
1answer
137 views

How to draw a 3-dimensional sphere whose Head is Image3D?

In 2 dimensions, I can do like this to draw my image: Image[Graphics[{Circle[]}]] But in 3 dimensions, this method will give an error information: So I try ...
3
votes
0answers
213 views

3d Image reconstruction

I'm using Image3D to reconstruct a 3d image from over 800 2d slices. I'm able to create the image but takes too long to do anything useful with the 3d image. Even rotating the output freezes ...
3
votes
0answers
123 views

Challenge: Calulating The Resulting 2D Image Behind A Lens [closed]

This is a tough question! I would like to calculate how an image (a real 2D photograph) looks if I place a lens at a certain distance d1 from it and I observe it at a certain distance d2. It is ...
2
votes
0answers
57 views

Is there a substitute for the “Show” function to use within the Mathematica kernel?

I needed to implement a function to convert an object from Graphics3D to Image3D, basically a 3D version of rasterisation (I need the geometry in a discretised form). I used the method suggested by R....
1
vote
0answers
155 views

Creating 3D image from importing 2D images [closed]

I'm trying to recreate a 3D image from it's 2D slices. I have saved the 2D images as "image1, image2, etc". I've imported them this way: ...
1
vote
0answers
42 views

How to make 3D image of dynamic current image [duplicate]

How to make a 3D image of Dynamic[CurrentImage[]]? for example: ...
0
votes
0answers
46 views

Why is the SelectComponents behaving differently?

based on the code provided by Dr. belisarius at here, I wanted to test it on a single slice of a 3d image. If I write the code in the following way I get the desired output. ...
66
votes
6answers
15k views

How to make a Spherical Cow?

Being a theoretical physicist, I always have a great respect for Spherical Cow. So I thought about making one myself. I am not sure how can I create (something considered to be the simplest!) this ...
5
votes
1answer
140 views

Implementation of interactive 3D slicer

Being motivated by this I have tried to proceed further to make it an interactive 3D slicer. Here is what I am up to now: Code ...
1
vote
0answers
63 views

PeronaMalikFilter for 3D image

Is there any other way to use PeronaMalikFilter for 3D images apart from using a loop to run through all the slices? What I tried to do ...
3
votes
1answer
166 views

How to read import VRML (.wrl) into Mathematica

I wonder if there is a way to Import VRML objects, e.g. here. The Export of These formats is provided but I did not found a way to Import it. Can anyone help here? (The Goal is to build a model of ...
4
votes
4answers
774 views

Plotting 3D points with an intensity

I have a list of elements where the first 3 numbers in each curly bracket are x,y,z coordinates and the last number is an intensity: ...
0
votes
0answers
65 views

3D Plots and vector fields [duplicate]

I'm a beginner. How I make a 3D Plot from zero? (like a graphics with the potencial of the electric field). I have to make vector fields too. (vectors of the electric field). I search at internet but ...
1
vote
2answers
301 views

How to convert Image3D object into Graphics3D object and vice versa?

There are some rendering options (for example, Lighting) which are associated with the Graphics3D objects. I cannot apply these ...
2
votes
0answers
123 views

Image3D interactive manipulation slower in 10.4.1?

I've upgraded to MMa version 10.4.1 under MacOS 10.11.4 on a MBP Retina. We use Image3D a lot in our work and it seems like it has gotten very very slow in this ...