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)....

1 year 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...

1 year 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 =...

1 year ago | 0

Answered
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...

1 year ago | 0

| accepted

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...

1 year ago | 0

Answered
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...

1 year ago | 0

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

1 year ago | 0

| accepted

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]))...

1 year ago | 1

| accepted

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...

1 year ago | 0

| accepted

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...

1 year ago | 0

| accepted

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)

1 year ago | 0

Answered
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...

1 year ago | 0

| accepted

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...

1 year ago | 0

| accepted

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

1 year ago | 0

| accepted

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 ...

1 year ago | 0

Answered
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...

1 year ago | 0

| accepted

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); ...

1 year ago | 0

Answered
"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...

1 year ago | 1

Answered
"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)...

1 year ago | 1

Answered
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)

1 year ago | 0

Answered
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.

1 year ago | 0

| accepted

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(...

1 year ago | 0

Answered
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...

1 year ago | 1

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

1 year ago | 1

Answered
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...

1 year ago | 1

| accepted

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...

1 year ago | 1

| accepted

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...

1 year ago | 0

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

1 year ago | 0

| accepted

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); ...

1 year ago | 0

Answered
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....

1 year ago | 0