
Constantino Carlos Reyes-Aldasoro
City, University of London
Senior Lecturer in Biomedical Image Analysis at City, University of London. Huge Matlab fan, wrote the book "Biomedical Image Analysis Recipes in MATLAB: For Life Scientists and Engineers" published by Wiley-Blackwell.
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How to visualise results of regionprops3 function?
What regionprops will do is to calculate the metrics for each of the elements in your data, and you can then use these to select...
4 dagar ago | 0
Submitted
Segmentation of 3D HeLa Cells
Segmentation, Measurement and Visualisation of Nuclear Envelope of HeLa Cells observed with Electron Microscope
12 dagar ago | 7 downloads |

How to create two-dimensional boxplots
Have a look at this code: https://uk.mathworks.com/matlabcentral/fileexchange/68006-boxplot3d-create-three-dimensional-boxplo...
13 dagar ago | 0
Error with plot command
I do not think this is a problem of plot, but rather that your variable has only 1 value and you are addressing a higher value. ...
13 dagar ago | 1
why are my programs treated as function?
Very very hard to help without the file itself, and without knowledge of what V is. I ran that line in Matlab online and worked ...
13 dagar ago | 0
How can I make a boxplot match at 0 with another plot?
A workaround to solve your problem is to call the boxplots with zero values in between your actual data. E.g. plot([1 2 3 4 5...
13 dagar ago | 0
Why there are high frequency spikes in the instantaneous frequency variation vs time curve of a faulted phase current ?
It is very different to answer this question on the abstract, please add more details and figures preferably to be able to help....
13 dagar ago | 0
how to slice 3d .fig file?
If I understand correctly, what you want is a slice of your 3D data, and add that to your figure (say one surface with one sl...
16 dagar ago | 1
selecting area on a image and Tracking the same area in the next subsequent images automatically
Ok, the first part of this problem is rather simple, if I understand correctly, you want to select a region of interest in one i...
17 dagar ago | 0
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How do i remove an outlier?
Use a moving filter, in your case, the best would be to replace each value by the median value of a neighbourhood, that is if yo...
18 dagar ago | 0
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Generate code for randomly oriented short fiber RVE?
You are not running your loops correctly. If you ident your code (control-i) you can see better: for i=1:1:N while 1 ...
18 dagar ago | 0
| accepted
Can we move a vertex in voronoi diagram?
Yes, quite easy: X=[1 2 1.1 1.3 1.4 1.5 1.3 1.2 1.8 2.1 2.2]; Y=[1.5 1.3 1.5 1.8 1.4 1.6 2.5 2.3 2.4 1.1 1.8]; vorono...
26 dagar ago | 0
Can LBP be used for flame analysis?
Assuming that LBP stands for Local Binary Patterns, I would say it depends. If you already have the flame located and segmented,...
26 dagar ago | 0
How to caluclate centroid of a voronoi cell of a voronoi diagram.
This is not a trivial problem especially because the voronoi algorithm does not give you a series of closed polygons, i.e. chang...
26 dagar ago | 0
How to detect cricket wide ball in video using Matlab .
It is not simple to offer any help here. Any image processing or video processing depends totally on the images or videos, which...
26 dagar ago | 0
I need help to make graphs please
It is easier to help for specific questions, i.e., you tried something and it did not work. The way you have phrased this is mor...
26 dagar ago | 0
Splitting a color image into sub-images only displays the yellow color
From the images it seems that your channel (the yellow one) is saturated. Have you tried to display the three RGB channels is se...
ungefär 2 månader ago | 0
How can i do Orthogonal and Log transformations in image processing
Hello Many of the steps that you want to do can be done with one command of the image processing toolbox https://uk.mathwork...
ungefär 2 månader ago | 1
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I have a problem with movie2avi in a code of 2010
Very hard to help without more details, have you tried using breakpoints along the code to stop and see what is going on? Have y...
ungefär 2 månader ago | 0
how to open .mat data in to excel sheet
You better export your data from Matlab into excel directly: https://uk.mathworks.com/help/matlab/import_export/exporting-to-ex...
3 månader ago | 0
Change direction of the Y-axis for a single figure
What you need is to rotate, try imrotate https://uk.mathworks.com/help/images/ref/imrotate.html?searchHighlight=imrotate&s_ti...
3 månader ago | 0
How do I clear the gradient of an image across pixels? (Image processing for the intensity of fluorescence)
Hello I am afraid the question is not very clear. What do you mean by "doesn't have a clear gradient across the pixels"? This s...
3 månader ago | 0
How can I smooth a surf with many spikes?
If you just want to smooth the values, you could use a filter, from a small uniform filter like [1 1 1;1 1 1;1 1 1]/9 to a Gauss...
3 månader ago | 0
compare edge detected images
It is a bit difficult to help without context and illustrations. If you could add some figures it would be easier to help.
4 månader ago | 0
How to compute edge map from the image gradients?
It would help if you could add figures illustrating your problem.
4 månader ago | 0
extraction road from lidar
This can be solved by using a combination of morphological operators and image processing steps: 1) label all the regions that ...
4 månader ago | 0
Image Processing for Grain Size Analysis
You need to define your task first. What is it that you want to "calculate"? I am going to make an educated guess that it is the...
4 månader ago | 0
Save a plot figure without the white background AROUND THE AXES
The issue is that you are trying to do 2 things in one, save as jpg, and have a transparent background. As far as I understand t...
4 månader ago | 0
How to Make Segmentation of a Circular optic nerve in the eye for a Multiple images?
This question is about how the optic disc is defined, have you tried anything yet? Have you checked the literature about this? I...
5 månader ago | 1