Constantino Carlos Reyes-Aldasoro

City, University of London

Last seen: Today | 2016년부터 활동

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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Why I got small dice score when I compared between two skeletonize images?
It may be correct to have a small Dice score. Dice (https://en.wikipedia.org/wiki/S%C3%B8rensen%E2%80%93Dice_coefficient) as we...

대략 18시간 전 | 0

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For Loop iteration only displays last plot in PPT slides
Try using drawnow after view. It may just do the trick.

대략 19시간 전 | 0

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Laplace pyramid uses gaussian filter or binomial filter?
The original Burt and Adelson paper specifically uses a Gaussian filter https://ieeexplore.ieee.org/document/1095851 The Gauss...

대략 1개월 전 | 0

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resize matrix based on indices
This is an example of what is called "addressing a matrix", i.e., you need to use the address of certain locations of a matrix i...

대략 1개월 전 | 0

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Image-based glue track quality detection
You can start by labelling each region of your data with bwlabel (https://uk.mathworks.com/help/images/ref/bwlabel.html) and the...

대략 2개월 전 | 1

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how to know a intersection point at a line with specific slope?
Do you have your line as an equation? You could then tabulate the values of x,y,z to find the points. Then you can find the dist...

대략 2개월 전 | 0

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How to make graph instead of disp in command window for real time measurment
disp will display a value or text on the command line, if what you want is a graph, then you will need to save that value into a...

3개월 전 | 0

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plotting graph on matlab in linux server connected via ssh
I am not sure if I have understood your problem, but I think that you have connected via ssh and thus running on a commmand-line...

3개월 전 | 0

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How to rotate a pointcloud data and align parallel with y-z axis?
This answer may solve your problem https://uk.mathworks.com/matlabcentral/answers/123763-how-to-rotate-entire-3d-data-with-x-y-...

3개월 전 | 0

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Make the black lines of a gabor thinner than the white lines in psychtoolbox
Very hard to help with questions like this. Please try to include your code, sample data and what you have already tried.

4개월 전 | 1

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How to define a constraint in MATLAB
You will not easily get someone to code for you. Best way to get help is to try something and if it does not work or you have pr...

5개월 전 | 0

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Symbols not working after MATLAB update
Something similar to this happened to me when I migrated code from Windows to a Mac. It is annoying as things are not 100% trans...

5개월 전 | 0

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Valley/Ridge tracing in N-D data
Hello Not sure if you still need this, but I have implemented a ridge tracing using Lindeberg's Scale Space algorithms. The ...

5개월 전 | 0

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How to increase the length and thickness of the arrows in the EHfields plot
Hello Changing the thickness is not too difficult, but changing the length may be rather complicated. Let me illustrate. You ca...

6개월 전 | 1

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How to find active contours of multiple images simultaneously and how to overlay multiple of them?
Post what you have done so that it is possible to help.

6개월 전 | 0

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Check the output is less than a limit for a period of time
This is a simple case of a comparision function < threshold

6개월 전 | 0

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Matlab out of Memory and cannot be released
I think that you are not clearing what is consuming the memory, e.g. audio_data=get_audio();% a record object is called in th...

6개월 전 | 0

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Subplot disappeared after getting its handle
Ok, I have now seen that the error is in the object that you are trying to copy, it should NOT be the subplot, but the actual ob...

7개월 전 | 0

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How to save training process output in MATLAB?
That should be pretty easy, train whatever architecture you are using (say you call that net) with whatever training data. Once ...

7개월 전 | 0

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Subplot disappeared after getting its handle
The problem is the order in which you are passing the commands, you create a subplot in a figure, then you call for a new figure...

7개월 전 | 0

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My plot for a photon traveling around a black hole isn't updating.
Is h_time being updated? if yes, then it may be due to the initial display with h_traj = plot(nan, nan); try not using nans bu...

7개월 전 | 0

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Change size and location of plot area in plot window
You need to learn how to use the handles. Instead of just plotting things, grab the handle to the figure and the axes and then...

7개월 전 | 0

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Trying to randomly permute a time series, error with time point
A=[1 2 3 4 5 6 7] A(1:3) A(-1:2) Yes, Matlab needs the index of the position starting from 1, so if you use negative numbers ...

7개월 전 | 0

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Create colorbar outside of parent of axes
That is easy, when you create figures and plots, you can grab the handle and then you can modify its properties: a = rand(64); ...

8개월 전 | 1

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to extract information from a text file?
You can solve this problem by finding strings in the text that you have. Let's save the example that you have shown in variable ...

8개월 전 | 0

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Can I overlay a large number of image?
Hello You can always overlay things by summing them, say your data is a 3D stack and each layer is one of your frames, a ...

9개월 전 | 0

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Trying to get an answer for 'a' - while loop??
Run the code! a=0 while a<5 a = a + 2; end disp (a)

9개월 전 | 0

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How to fix this error : Not enough input arguments.
Hello Most probably you are not calling the function with all the necessary input parameters, look at this example in which t...

9개월 전 | 1

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Is there any better alternative of four nested loops?
Hi In Matlab, if you think in matrices you can avoid many many many loops. For example, if you want to find if a column of a ce...

10개월 전 | 0

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How to split the last 4 elements in a column into a new column?
In Matlab is better to think of matrices than to think of columns (like you would do in Excel for instance), so think of your fi...

10개월 전 | 0