Constantino Carlos Reyes-Aldasoro
City, University of London
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Feeds
What is the actual ratio of color channels used in function rgb2gray?
This is interesting, it looks like rgb2gray is rounding or filtering in some way.
circa 2 mesi fa | 1
| accettato
Change colour on grid
The colour is going to be related to the values of whatever you are plotting, e.g., L = 160*membrane(1,100); mesh(L) colorb...
circa 2 mesi fa | 0
Matlab Mobile on iPad with Smart Keyboard, how do I press "F9" to run a portion of highlighted code?
Hello I found a work around, it is not the same but it may be useful. If you convert your file from a script (*.m) to a live ...
circa un anno fa | 0
how to plot a POINTING POINTER correctly
I ran in my computer and it worked well, I guess it must be something related with the interpreter (Tex,Latex,...) and how the a...
circa un anno fa | 0
| accettato
imread issues when loading large TIFF's
Hello I have found a way around this. Instead of using imread, I used blockedImage bim= blockedImage(nameOfYourFile); imLevel...
circa un anno fa | 1
intersection volume (mesh)
If these are points in the same coordinate system, could you find those points that occur in both cases? that would give you an ...
circa un anno fa | 0
Find similarities between two signals
Perhaps this file exchange analysing an ECG signal can give you some ideas: https://uk.mathworks.com/matlabcentral/fileexchan...
circa un anno fa | 0
Operator '<' is not supported for operands of type 'struct'.
Hard to know the exact issue without access to all the code and variables but most probably it is because you cannot compare a s...
circa un anno fa | 0
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 ...
oltre un anno 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...
oltre un anno 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 ...
oltre un anno 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...
oltre un anno 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 ...
oltre un anno 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 ...
oltre un anno 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...
oltre un anno 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...
oltre un anno 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 ...
oltre un anno 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...
oltre un anno 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...
oltre un anno fa | 0
For Loop iteration only displays last plot in PPT slides
Try using drawnow after view. It may just do the trick.
oltre un anno 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...
oltre un anno 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...
oltre un anno 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...
oltre un anno 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...
oltre un anno 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...
quasi 2 anni 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...
quasi 2 anni 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-...
quasi 2 anni 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.
quasi 2 anni 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...
quasi 2 anni 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...
quasi 2 anni fa | 0
