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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Saving multiple plots into one handle
Why don't you save your results in a variable, as a matrix x2(ind2,:) = x; uh2(ind2,:)=uh; and then once you have all, then you ...
21 giorni fa | 0
| accettato
Code runs very slow after making small changes
Are you plotting your results? If you are, and you are doing many of these, it may be the case that that is what is slowing down...
21 giorni fa | 1
Printing figure as pdf with long legend produces unncecessary whitespace
I am not sure that I understand the problem, I tried in my computer and obtained a figure like the one below (this is jpeg, but ...
circa un mese fa | 1
Faster Image Processing?
Two nested for loops with images is not an efficient way to deal with matrices or images. The point of Matlab is to handle every...
circa 2 mesi fa | 0
How to correct matrix dimensions and recombine blocks into original image?
It is hard to follow your code without the data, but still the error must be that when you are trying to sum your image and the ...
circa 2 mesi fa | 0
How can I do segmentation using edges and fill
Change from RGB to HSV and then segment via the colour space, that would give you differences between the background, the lower ...
2 mesi fa | 0
| accettato
How to change the desired xaxis ticks and subsequent values in log log plot?
Hello There are 2 separate properties that you have to handle, one is the ticks and the other is the ticklabels, and both are b...
2 mesi fa | 0
how to calculate entropy of a video file?
The entropy measures the amount of uncertainty (https://en.wikipedia.org/wiki/Entropy_(information_theory)) and to be able t...
3 mesi fa | 0
¡Como puedo resaltar la intersección de dos o mas líneas en un grafico de guide?
Hola Primero, te conviene escribir en ingles porque en espanol hay menos oportunidad de que alguien te ayude. Con respecto al ...
3 mesi fa | 0
I want to Nails Semantic Segmentation using the nail image from fingers
Hello Mithun This is not the way Matlab Answers work. Here people will try to help you when you have a problem and you get stuc...
3 mesi fa | 0
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...
4 mesi fa | 0
For Loop iteration only displays last plot in PPT slides
Try using drawnow after view. It may just do the trick.
4 mesi fa | 0
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...
5 mesi fa | 0
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...
5 mesi fa | 0
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...
5 mesi fa | 1
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...
5 mesi fa | 0
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...
7 mesi fa | 0
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...
7 mesi fa | 0
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-...
7 mesi fa | 0
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.
7 mesi fa | 1
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...
8 mesi fa | 0
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...
9 mesi fa | 0
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 ...
9 mesi fa | 0
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...
10 mesi fa | 1
| accettato
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.
10 mesi fa | 0
Check the output is less than a limit for a period of time
This is a simple case of a comparision function < threshold
10 mesi fa | 0
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...
10 mesi fa | 0
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...
11 mesi fa | 0
| accettato
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 ...
11 mesi fa | 0
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...
11 mesi fa | 0