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Crop frames in video and apply it on other frames.
As per question you have already done video to frame splits let's consider im1 and im2 have same size images, rxcx3 unit 8 type....

circa un mese fa | 0

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How do I plot this series?
Change the upper bound value to any finite number f = symsum(an.*cos(100*n*pi*t) + bn.*sin(100*n*pi*t),n,1,100); %..............

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How to set to zero specific elements of a 3D array?
Here if the voxel element is equal to 4, 5 & 50..so on. , all such voxels element will be replaced by 0 (Zero) data= % #3D Arra...

circa un mese fa | 0

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How can i get the points within a space defined by vectors (0,0,0), (2,4,1),(0,0,2),(-2,4,-1)?
po=[randi([-2,2]),randi([0,4]),randi([-1,2])]

circa un mese fa | 0

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How to calculate peak value and duration of signal in Image
There are many threds sillimar quaestions, calculate the FWHM and time duration of the signal, please refer https://in.mathwor...

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How to store a color and location in a matrix?
#Easy way (Not Efficient too) test_image=imread('image_file_name.jpeg'); %Change the image file name with format [rows,clom,ch...

circa un mese fa | 0

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Finding unique closest point corresponding to latitude and longitude vectors for a given point with shortest distance.
#It can verify from plot too, pls modify as per requirments- PQ=[39.2591200000000 -85.9394200000000 39.2591300000000 ...

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using kalman filter in medical images
Please refer the following link to study about Kalman Filter (MATLAB) https://in.mathworks.com/help/vision/ug/using-kalman-filt...

circa un mese fa | 0

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How to convert structure to gray image
Read the individual cell array data element, apply image function % cell_element=.... % image(cell_element) % axis off; You ...

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Merge two arrays w/o for-loop. Speed-up
B1 = [52, 52, 52, 52] B2 = [0.437288188, 0.437288188, 0.437288188, 0.437288188] C=B1+B2

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Using while loop in a video
vid=VideoReader('video.mp4'); frame_num=vid.NumFrames; frame_format='.jpg'; vid=read(vid); for i=1:frame_num %Initial Level:...

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Write code to print ten columns of every number between 1 to 10
Read at MATLAB Docs randi function %Hint: data=randi([1,10],[1,10]) %random array-10 columns between 1 to 10 result=repelem(...

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How to generate an array based on the values of another array?
A=[1 3;3 1;2 4;4 3] B=A; A(B==2)=4; A(B==1)=3; A(B==3)=2; A(B==4)=1; A

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How to save multiple vector signals in one variable using wavelet Denoising?
F data can be store in cell array. F=cell(1,60); for i = 1:60; x = y(i,:) ; F{i}= wden(x,'rigrsure','s','mln',5,'d...

3 mesi fa | 0

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How to smooth and normalize noisy data
Please check the smoothdata Matlab function https://in.mathworks.com/help/matlab/ref/smoothdata.html it can smooth the data i...

3 mesi fa | 0

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What is the correct way to calculate the average dice score for multiple data in binary image segmentation?
Here>explanation with references https://stats.stackexchange.com/questions/550646/proper-way-to-calculate-mean-dice-coefficient...

3 mesi fa | 0

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Decode the cryptogram was encoded from 2x2 matrix
"but it keeps saying invalid in the inverse command and I can't figure why" >> X =[5 2; 25 11; -2 -7; -15 -15; 32 14; -8 -13; 3...

4 mesi fa | 0

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How to change maximum Index value in MATLAB
I re-read the question again- I want to find the maximum pixel (index) for example in above 55 is the maximum pixel (index) th...

4 mesi fa | 0

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Matlab Extracting X and Y coordinates
Concept wise: cross_index=find(data1==data2); This may not work, if there may floating numbers, in that case you may follow th...

4 mesi fa | 0

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About interpolation pressure & temperature
The are multiple ways to sort the structure fields data points- Procedure 1: b=load('Tempe.mat'); temp_data=sort(vertcat(b.T...

5 mesi fa | 0

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I need help trying to write a code for a logistic map that requires a range of r between 0 and 5
Refer the following File Exchange FIle, it may be useful- https://in.mathworks.com/matlabcentral/fileexchange/32424-logistics-m...

5 mesi fa | 0

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Create x and y coordinates with available values
cor_xy=[randi(20),randi(30)]

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get 2 set of random coordinates
x=0:20; % Or any Random Data y=0:30; % Or any Random Data cor_data=[x(randi(length(x))),y(randi(length(y)))]

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White Noise generator same signal every time I run the simulation
Jurt use the rand function & add to the original signal data signalData= noiseData=rand(1,length(signalData)); signalNoise=si...

5 mesi fa | 0

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I have matrix K and Z
Another way: K = {[12, 50, 15, 99, 61, 74 ,71];[54, 23, 14, 13, 16, 89,67];[12, 45, 78, 90, 12, 56, 16]}; Z = {[ 0, 1, 0, 0, 0...

5 mesi fa | 0

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how to batch save and load loop variable
#Cell Array cell a=cell(1,3); for i = 1:3 a{i}=rand(1,10) end Once strore in the cell array, you can do/access data in ...

6 mesi fa | 0

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I have 3 SST plots which I wish to put side-by-side in 1 figure in the form of a 1x3 panel. How do I go about this? I have attached my plots and the code.
long = ncread(filename,'XAXIS') lat = ncread(filename, 'YAXIS') SST = ncread(filename,'SST') SST_Oct = SST(:,:,10:10) SST_No...

6 mesi fa | 1

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Quiver Plot over Binary map
im = imread('Genova_Binary.tif'); [x,y] = meshgrid(-2:.2:2,-1:.15:1); z = x .* exp(-x.^2 - y.^2); [px,py] = gradient(z,.2,.15)...

6 mesi fa | 0

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Some basic MATLAB questions
Hint: rand https://in.mathworks.com/help/matlab/ref/rand.html

6 mesi fa | 0

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Have implemented for loop corectly in my code?
I don't think, is there any loop needed, it can be avoided, just define the following parameters s1=.. s2=.. g1=.. g2=.. Eo...

7 mesi fa | 0

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