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Feeds
Droplet size calculation of a spray image
Use 'kmeans' for segmentation and 'regionprops' to get properties of particles, image=imread('particle.jpg'); jqimage=rgb2gr...
circa 3 anni fa | 0
Comparing an occurance of colors between 2 images
convert the images to HSV colorspace and use the hue component to clustering. match the colors using the obtained cluster cente...
circa 3 anni fa | 0
| accettato
Can anyone explain me how to read ecg .dat, .hea, .atr files ?
check ecg-kit https://physionet.org/content/ecgkit/1.0/common/
oltre 3 anni fa | 0
| accettato
Can someone help me with the square wave plot here?
T=12; N=3; D=25; A=3; t= 0:0.001:1; x = A*((1+square(2*pi*N*t,D))/2); t2=t*T*N; plot(t2, x);
oltre 3 anni fa | 1
How to export data used to make MATLAB figure?
fig=openfig('SophiesFigure_nanodomains.fig'); data1=fig.Parent.Children(2).CurrentAxes.Children.YData %histogram xdata=ww.Cu...
oltre 3 anni fa | 0
loops and conditional statements in Matlab for data filtration
A=[1 3 4 2 3 -9 4 -7 8 6 7 -1 2 3 4 6 19 7 12 3 -4 -5 6 7 8 2 3 5 2 3 4 ]'; A(A<0)=0; A(A>10)=0;
oltre 3 anni fa | 0
| accettato
How to extract value from a matrix with given indices
code example is ind = sub2ind(size(matrix),index,1:5); new=matrix(ind)
oltre 3 anni fa | 1
implay a video and draw n points with ginput
try: h=implay(video) [x,y] = getpts(h.Visual.Axes)
oltre 3 anni fa | 0
| accettato
How to match array data and excel data?
if all data type is in array type, the matching row positions can be obtained using rows=all(B==I,2) contents from 'A' obtain...
oltre 3 anni fa | 0
how to convert hours and minutes from decimals to datetime objects
First convert it into string type with the format "yyyy-MM-dd hh-mm" using hours_decimal=15.9 myDate=string("2008-05-07 ")+str...
oltre 3 anni fa | 0
Anyway to Pre-allocate Memory for Struct
s=struct; s(1).Name=0 s(2).Name=0
oltre 3 anni fa | 0
how to find the length of the foot automatically from the image
refer https://in.mathworks.com/help/images/image-segmentation.html https://in.mathworks.com/help/images/ref/regionprops.html...
oltre 3 anni fa | 0
Select specific area of a DICOM file
remove noise using median filter IM=medfilt2(P); find gradient [Gmag,Gdir] = imgradient(IM); then apply circle detection or ...
oltre 3 anni fa | 0
| accettato
GAN examples for Neural Network/Deep Learning Toolbox of R2018b or earlier?
you can find some in github. https://github.com/jonzhaocn/GAN-Base-on-Matlab
quasi 6 anni fa | 0
| accettato
How Can I create struct field in a loop?
'struct' command creates new structure. you have to create new structure at the starting of loop. add new fields to the structur...
oltre 6 anni fa | 0
| accettato
Specific change points in large dataset
Here is one of the methods using 'diff' function. use following code to get all the difference values and plot those values to...
oltre 6 anni fa | 0
read multiple csv files from different subfolders
Use 'dir' function to get the directory and file list of any folder. e.g D=dir('Raw data'); output 'D' is an structure array c...
oltre 6 anni fa | 0
How to convert time to a number?
use following code to get values as string array. time=input(prompt,'s'); split the output 'time' using split function with de...
oltre 6 anni fa | 0
Domanda
why 'colormap' did not change the color of my plots?
example: figure, plot(rand(5)) colormap hot above code did not change the color of plot.
oltre 6 anni fa | 2 risposte | 0
2
risposteExtracting Slices From Slice Function
use the vector slicing to get one slice, Let V is the input volume. e.g S=V(:,:,1); use 'imshow' or 'imagesc' functions to vie...
oltre 6 anni fa | 0
| accettato
Help with Loops and Switch cases and Mean
here is the code Q=input('Would you like to enter a real number? (Yes or No) ','s'); n=[]; switch Q case 'Yes' ...
oltre 6 anni fa | 1
| accettato
How to shift a matrix
loop version: M=[ 1,2,3; 4,5,6; 7,8,9; ]; C=nan(3,4); for i=1:size(M,1) if mod(i,2)==1 C(i,2:end)=M...
oltre 6 anni fa | 1
| accettato
How to upload csv. files from multiple folders
to automate the file and folder access operations, do not use 'uigetfile' or 'uigetdir' functions. use 'dir' function to get th...
oltre 6 anni fa | 0
How to access data from a struct when the dot notated reference is passed as a char array?
To to get the field names of struct array, use 'fieldnames' function S.x=1; S.y=2; fields = fieldnames(S) then, to get the...
oltre 6 anni fa | 0
Question about import a .txt file into matlab
you can use 'fopen' and 'fread' functions. https://www.mathworks.com/help/matlab/ref/fread.html
oltre 6 anni fa | 0
wirte in excel sheet.
Delete the already created excel sheet. Change the last line of code to xlswrite('Book1.xlsx',q,'A1:BI1') if you want to stor...
oltre 6 anni fa | 0
Problem with data saving in a for loop
Best solution is: store the output variable 'vector' fom each iteration, into another variable(array, cell array). then at the ...
oltre 6 anni fa | 1
Problem with data saving in a for loop
you have to put the 'xlswrite' functions inside the for loop. also, for each iteration, change the sheet number or the 'xlRange...
oltre 6 anni fa | 1
| accettato
Create lookup table for cell array
Code example to convert cell array to table. A={1,2,3} B=array2table(A');
oltre 6 anni fa | 0
I need to make a square wave
see: https://in.mathworks.com/help/signal/examples/signal-smoothing.html https://in.mathworks.com/matlabcentral/answers/3205...
oltre 6 anni fa | 0
