Answered

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....

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....

1 month ago | 0

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Answered

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); %..............

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); %..............

1 month ago | 0

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Answered

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...

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...

1 month ago | 0

Answered

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])]

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])]

1 month ago | 0

Answered

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...

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...

1 month ago | 0

Answered

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...

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...

1 month ago | 0

Answered

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 ...

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 ...

1 month ago | 0

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Answered

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...

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...

1 month ago | 0

Answered

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 ...

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 ...

1 month ago | 0

Answered

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

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

1 month ago | 0

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Answered

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:...

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:...

1 month ago | 0

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Answered

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(...

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(...

1 month ago | 0

Answered

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

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

1 month ago | 0

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Answered

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...

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...

2 months ago | 0

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Answered

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...

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...

2 months ago | 0

Answered

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...

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 months ago | 0

Answered

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...

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 months ago | 0

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Answered

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...

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 months ago | 0

Answered

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...

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 months ago | 0

Answered

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...

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...

4 months ago | 0

Answered

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...

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 months ago | 0

Answered

Create x and y coordinates with available values

cor_xy=[randi(20),randi(30)]

Create x and y coordinates with available values

cor_xy=[randi(20),randi(30)]

5 months ago | 0

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Answered

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)))]

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)))]

5 months ago | 0

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Answered

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...

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 months ago | 0

Answered

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...

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 months ago | 0

Answered

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 ...

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 ...

5 months ago | 0

Answered

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...

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...

5 months ago | 1

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Answered

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)...

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 months ago | 0

Answered

Some basic MATLAB questions

Hint: rand https://in.mathworks.com/help/matlab/ref/rand.html

Some basic MATLAB questions

Hint: rand https://in.mathworks.com/help/matlab/ref/rand.html

6 months ago | 0

Answered

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...

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 months ago | 0

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