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# Constantino Carlos Reyes-Aldasoro

### City, University of London

56 total contributions since 2016

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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Legofy
Matlab: Convert a normal image (or internet image) into Lego-style, similar to https://github.com/JuanPotato/Legofy

I have a segmented image.. Now i need to find the smallest area from the image using the pixels values. How to do this in Matlab? Thank you in advanced...
to find the values of your pixels, add the colorbar to your figure and you can find out. Alternatively you can use this uniqu...

11 days ago | 0

I have a segmented image.. Now i need to find the smallest area from the image using the pixels values. How to do this in Matlab? Thank you in advanced...
Hello If the areas are defined by the pixel values then you can discard all other pixels by comparing against the value of in...

11 days ago | 0

Making subplots by reading many files in Matlab
Ok in that case you will have something like >> for k=1:9 name = strcat('Number_00',num2str(k)) end name = 'Number_...

16 days ago | 0

How to extract the main square, image window of the ultrasound image?
Ok, the issue here is the colour maps and the conversion of uint8 to double. If you convert to double the colours are always bet...

16 days ago | 1

| accepted

How to extract the main square, image window of the ultrasound image?
*IF* all the images look like this, it is rather easy, EXCEPT for the fact that the bottom edge of the ultrasound is not very...

16 days ago | 0

Making subplots by reading many files in Matlab
Perhaps it is not working because other problems: subtitle('%%%%%%%'N1') The title of a subplot is still title and the ...

16 days ago | 0

How to extract the main square, image window of the ultrasound image?
Hard to answer without knowing your data. Post a sample and we can try.

16 days ago | 0

How to measure distance between objects in a photo which should be detected?
OK, before measuring the distances, you need to distinguish properly each of the objects of interest. If the images are going to...

17 days ago | 0

3d skeleton branchpoints
I would suggest that you do a maximum intensity projection into 2D, i.e. data_2D = max(data_3D, [ ] ,3); and then check th...

5 months ago | 0

How can I extract a distribution from a 2d histogram?
The concept is the same even if it is not a probability distribution, you only need to sum along one of the dimensions and the v...

5 months ago | 0

How to Detect edges in very high res pictures?
The essence of Canny is that it has an in-built filter, you should not use filters before Canny, only control the standard devia...

5 months ago | 0

3d skeleton branchpoints
Something does not look right. Specifically, the skeleton should be a line, and you do not seem to have any lines, just disconne...

5 months ago | 0

How can I extract a distribution from a 2d histogram?
It is rather simple, X,Y have positions, so that does not count, it is Z the one that contains the information. To obtain a marg...

5 months ago | 0

Texture Feature Extraction using GLCM
Dear Sai Priya I am not sure of which software you are referring to, if it is the one on fileexchange: https://uk.mathworks....

7 months ago | 0

Submitted

removeLineArtefact
Remove line artefacts sometimes present in microscopical images

Where have the Command Shortcuts gone in R2018a?
Thanks, this brings them up, I think that when they were shortcuts was better, but this is a good improvement.

11 months ago | 0

Submitted

Remove shading (or the un-even intensity background) of images

Submitted

ElectroPalatography
A repository of useful routines that can be used in Phonetics and Electropalatography

Question

Tab for Favorites as we had with shortcuts?
I know that shortcuts have been now packaged as favorites (they worked just fine as they were...). Is there a way to have all th...

1 year ago | 1 answer | 0

### 1

How to Select ROI based on this algorithm. OR how can i segment only the bone part from these images.
Ok, good that you have sorted the problem.

1 year ago | 0

How to Select ROI based on this algorithm. OR how can i segment only the bone part from these images.
A problem, I do not have labeledImage biggestBlob = ismember(labeledImage, sortIndexes(1:numberToExtract)); Undefined fu...

1 year ago | 0

Change marker color and size to non default color
When you plot, the color code 'b-o' is a shortcut to indicate colour (b), linestyle (-) and marker (o), in your case you are usi...

1 year ago | 1

| accepted

how to solve the error 'undefined function "branchpoints" in matlab'
It works well with my Matlab, which version are you using? On the command line type "ver".

1 year ago | 0

| accepted

Error using xlswrite (line 165) Dimension of input array cannot be higher than two.
I had a similar problem recently, I think (without knowing what your variables are) is that xlswrite can only handle matrices an...

1 year ago | 0

How to Select ROI based on this algorithm. OR how can i segment only the bone part from these images.
In order to be able to help, we would need to run the code and find the error, and that is not possible without the image I=...

1 year ago | 0

For Medical Image Segmentation which technique is best?
I did my PhD on segmentation of the knee joint and used *multiresolution texture*. However, this will depend on YOUR data, I use...

1 year ago | 1

| accepted

Texture Feature Extraction using GLCM
Hello Well you need to know what you are looking for, and it is not possible to do that without knowing your data. You want t...

1 year ago | 0