Answered
How to train Unet semantic segmentation with only one single class/label?
The value of 'numClasses' is invalid. Expected numClasses to be a scalar with value > 1 Because you have two classes (0 and 1)....

2 years ago | 0

Answered
Image processing - Is there any technics to remove this marks ?
A=im2gray(imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1746876/image.jpeg')); B=255+double(imcomple...

2 years ago | 0

Answered
How to use OutputFcn with fitnlm
Only Optimization Toolbox solvers have an OutputFcn option. Perhaps you are thinking of lsqcurvefit, load carbig tbl =...

2 years ago | 0

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3D system definition: How btaining the angle between a single axis and a plane
and eventually XY That would just be the angle between Yprime and Z, wouldn't it? Yprime=Rprime(:,2); Z=R(:,3); angle = ac...

2 years ago | 0

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Answered
Mean and Standard Deviation of outputs on a neural network
You have shown the code for your network, but not how you have adapted the training code, nor the error messages. So, it calls f...

2 years ago | 0

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Dual problem and primal problem unbounded linear programming
%Primary Problem %coefficients of A A = [1 4; 4 5; 2 3; 3 1]; %coefficients of B b = [320 510 430 300]; %coefficients...

2 years ago | 0

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how can i rescale image? standard is at the center part
Use imresize. It scales relative to the center.

2 years ago | 0

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Answered
How can I identify and fill outliers in a 2d matrix?
You could detect and replace the outliers with missing values by doing, outlierMap = abs(yourMatrix-medfilt2(yourMatrix,[M,N]))...

2 years ago | 1

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Answered
How can I calibrate a fixed camera to obtain accurate measurements of objects at different distances, despite height variations and pixel distortion?
You cannot determine the size of the object from a single camera without knowing its distance from the camera. You would need tw...

2 years ago | 0

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Answered
Setting bounds for constants in a fit() object in terms of other constants in the fit object
As a more indirect approach, instead of fitting, y=A*log(B*x-C) %D has been deliberately removed - it is unnecessary you coul...

2 years ago | 0

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Answered
1D gaussian filter for A-scans (OCT)
See imgaussfilt, e.g., A=zeros(1,11); A((end+1)/2)=1 B=imgaussfilt(A,1.2)

2 years ago | 0

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Finding zeros of intersection of the "x-axis" - Error using "fzero"
tic close all; clc; % For the region k_o < k_p < sqrt(u_r*e_r)*k_o % Wavelength value lambda lambda = 1; % Wavenumber...

2 years ago | 0

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Answered
Why are the gradients not backpropagating into the encoder in this custom loop?
In terms of what may be different from trainnet, I don't see any regularization in your customized loop. You have a function cal...

2 years ago | 0

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How to define a slicing like x(i).property in a custom class?
function varargout = subsref(this, s) switch s(1).type case '()' ...

2 years ago | 0

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Answered
GPU memory usage for Hadamard product
This is just a guess, but possibly the GPU memory is fragmented. I.e., maybe your available 28GB is broken into blocks that are ...

2 years ago | 0

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Loop data in both x and y direction, and do linear fit of each y at each x
t = 15:15:1440; %time MSD=readmatrix('MSDdata.xlsx'); A=t.'.^[1,0]; slopes=nan(size(MSD)); for i=1:height(A) tm...

2 years ago | 0

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Answered
Loop data in both x and y direction, and do linear fit of each y at each x
Perhaps this is what you want. matrix1=rand(96,1); matrix2=rand(96,150); [Xslope,Tslope]=gradient(matrix2,1:150,matrix1); ...

2 years ago | 0

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"tighter" tile spacing and uniform tile height using tiledlayout?
You could also play with the tilespan: % Create tiled layout tiledlayout(1,305,'TileSpacing','none','Padding','none'); % I...

2 years ago | 1

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"tighter" tile spacing and uniform tile height using tiledlayout?
One option would be to download subaxis, as an alternative to tiledlayout. s=.01; % Image A subaxis(1,3,1,'SpacingHoriz',s)...

2 years ago | 1

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How can I use the data of a set of matrices labelled in order
data_1=10; data_2=20; data_3=30; data_4=40; data_5=50; Data=arrayfun(@(i)evalin('caller', "data_"+i), 1:5,'uni',0)

2 years ago | 0

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Where can I find a good example of using tied weights in nested layers?
The example at your link is for R2024a, but the version of Matlab you are running is only R2023b.

2 years ago | 0

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Answered
Formatting Data in dlarray for Deep Learning Models
You cannot do that, but you shouldn't need to. Because the dimensions are all identified by labels (in this case CBT), trainnet(...

2 years ago | 0

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Assigning many cell array entries to same value using index
You should probably be using strings or catgorical arrays instead of cells. Regardless, it is easy to switch back and forth: ce...

2 years ago | 1

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Assigning many cell array entries to same value using index
Another way, [cellArray{iHigh}] = deal('High'); [cellArray{iLow}] = deal('Low');

2 years ago | 1

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Single struct as alternative to name-value pairs in user-defined function
You would have to use the older inputParser system to do that kind of thing, with the StructExpand property set to true (the def...

2 years ago | 1

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Answered
imregcorr() misaligns images badly
Phase correlation isn't going to be a good algorithm for images of a starry field. I think your best bet is to do landmark extra...

2 years ago | 1

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Answered
Merging different legend labels
One way, x1 = [1, 2 ,3, 4, 5]; y1 = [5, 3, 2.8, 1.7, 1.2]; y2 = [6.5, 4.7, 3.5, 1.9, 1.3]; x2 = [1, 2, 3, 4, 5]; y3 = [6, 5...

2 years ago | 0

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Trouble with inheritance i MATLAB OOP
Remove these property declarations from PathParameterFile, properties Path; xmlStruct; ...

2 years ago | 0

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Answered
I have been working on 3D imaging in the form of pixels with spheres in a box and need help in finding out the contact points in between the spheres in the produced pixel data
This assumes SS contains the edge map of the two spheres and nothing else. L=bwlabel( imfill(SS~=0,'holes') ); se=ones(3); ...

2 years ago | 0

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The extrinsic function 'perms' is not available for standalone code generation.
Here's an alternative implementation of perms(), suitable for small vectors. Maybe pre-2024b Coder will find it more pallatable....

2 years ago | 0