Questions tagged [segmentation]
The segmentation tag has no summary.
56 questions
1
vote
1
answer
81
views
Options of ImageSegmentationComponents
In 2024 there was a nice update of image segmentation package with ImageSegmentationComponents expression:
It works nicely, but it seems not possible to provide ...
- 1,769
13
votes
1
answer
322
views
Performant blob detection in images
I am looking for practical (and sufficiently fast) ways to detect blobs of varying sizes in images. Libraries like scikit-image in Python have this functionality, but I couldn't find any in ...
- 239k
3
votes
1
answer
149
views
How to convert a segmented 3D image into a FE mesh with different sub-regions?
I am exploring how to use Mathematica to segment micro - CT images into multiple regions and in the next step use this segmentation to create a water-tight finite element mesh which can then be used ...
- 4,677
2
votes
0
answers
124
views
Polygon segmentation of branches
Let's say I have a polygon defined by a closed curve that has a semi-dendritic shape. Is it possible to partition it and extract branches and the main stem in MMA automatically?
I have been thinking ...
- 1,774
0
votes
0
answers
69
views
What is the network structure of Ademxapp Model A1 Trained on Cityscapes Data in the Mathematica?
I want to implement the model (Ademxapp Model A1 Trained on Cityscapes Data) on my data for segmentation, so I need the partial structure of this model, can anyone help?
- 301
9
votes
3
answers
403
views
Fast Segmentation
Imagine I have an image of a segmented tissue as follows
what is the fastest way of converting such an image into a mesh-type object in Mathematica? I am familiar with ...
- 5,023
1
vote
1
answer
117
views
DSolve is producing a segmentation fault for large systems of equations
The below code runs fine for anything up to a 64^2 matrix. However, moving to 128^2 throws a segmentation fault, which, despite my best efforts to debug, I cannot find a cause for. Or, to be honest, ...
- 101
2
votes
1
answer
830
views
Rectangular Image Segmentation?
I'd like to segment an image such that the components are rectangles. Is this possible out of the box? For example:
...
- 31.9k
7
votes
1
answer
185
views
How can I add legends in the ClusteringComponents function?
I am trying to do color separation on this image using ClusteringComponents function (following an example on Wolfram Mathematica webpage). I will like to have a legend identifying each segmented ...
- 655
4
votes
2
answers
216
views
How to get ComponentMeasurements[] from colorized image?
I'm using a software to segment images. Long story short, the output given is an array of integers (range 0-255), which I show here colorized:
I'm supposing that the software avoids representing two ...
- 1,673
4
votes
0
answers
171
views
Separating boundaries from WatershedComponents
I am trying to look for local minimum on the boundaries between watershed regions.
Typically the boundaries are not connected and spanning across the whole image so it is possible to do it through
<...
- 61
6
votes
0
answers
254
views
How to obtain the adjacency matrix of morphological components?
I am wondering if there's a simple way to obtain the adjacency matrix of the morphological components of a segmented image. Consider the following example (originally, from this question):
...
- 1,673
3
votes
2
answers
412
views
How can I find all the rectangles in an image when they overlap?
When I apply MorphologicalComponents to images like the one below (which consist of white rectangles laid on a black background), I get a single object returned, as ...
- 483
3
votes
2
answers
251
views
Video segmentation
Mathematica v12.1 introduced Video and various functions like VideoFrameMap and ...
- 26.3k
3
votes
1
answer
155
views
Image segmentation on the edge (no pun entended)
I want to detect nuclei from unevenly stained images, which works quite well with LocalAdaptiveBinarize. Unfortunately, in many of these images the imaged area does ...
- 1,404