#Image Processing

#Learner

Answered

Counting the amount of overlap for 2D surfaces

This way: a=1:20; b=1:180; [x,y]=meshgrid(a,b); data=randi(100,[180,20,20]); tiledlayout(5,4);% 20 Plots for i=1:20 ...

Counting the amount of overlap for 2D surfaces

This way: a=1:20; b=1:180; [x,y]=meshgrid(a,b); data=randi(100,[180,20,20]); tiledlayout(5,4);% 20 Plots for i=1:20 ...

2 hours ago | 0

Answered

how to extract the area of highlighted circle from the original image? I don't want to include part 2 area. I have attached original file along with the highlighted file

This one: #Step 1: Morphological Operation to remove those unwanted Region (You may avoid Morpho operation. Please see the dif...

how to extract the area of highlighted circle from the original image? I don't want to include part 2 area. I have attached original file along with the highlighted file

This one: #Step 1: Morphological Operation to remove those unwanted Region (You may avoid Morpho operation. Please see the dif...

3 hours ago | 0

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Answered

How to Change Array Values with some Random numbers

K=randi([min_value max_value],1,12)

How to Change Array Values with some Random numbers

K=randi([min_value max_value],1,12)

3 hours ago | 0

Answered

How can I change 'y axis' into 'Probability', not the 'number' when I use 'hist(variable)' ?

Is there any sense? Let's suppose I have the following array > data data = 4 3 5 3 5 5 3 4 ...

How can I change 'y axis' into 'Probability', not the 'number' when I use 'hist(variable)' ?

Is there any sense? Let's suppose I have the following array > data data = 4 3 5 3 5 5 3 4 ...

8 hours ago | 0

Answered

Convert ECG signal waveform into text file

Steps: %load the mat file data=load('mat_file.mat'); %Save the data in txt file dlmwrite('filename.txt',data)

Convert ECG signal waveform into text file

Steps: %load the mat file data=load('mat_file.mat'); %Save the data in txt file dlmwrite('filename.txt',data)

9 hours ago | 0

Answered

How do I create a vector in which the exponet is increasing?

"something like 10^-1, 10^-.9,10^-.8 ..... 10^1" data=10.^(-1:0.1:1)

How do I create a vector in which the exponet is increasing?

"something like 10^-1, 10^-.9,10^-.8 ..... 10^1" data=10.^(-1:0.1:1)

10 hours ago | 0

Answered

Help on zero padding and understanding of the following example?

"If the zero padding was right then this time should be lower than above two, right?" How? The only difference between section...

Help on zero padding and understanding of the following example?

"If the zero padding was right then this time should be lower than above two, right?" How? The only difference between section...

21 hours ago | 0

Answered

Extract FFT of every column in frequency domain

A_G_fft = fft(A_G,[],1); Is that : y_data=vibration measured through labVIEW ? for i=1:size(A_G_fft,2) col_data=A_G_fft(:,i)...

Extract FFT of every column in frequency domain

A_G_fft = fft(A_G,[],1); Is that : y_data=vibration measured through labVIEW ? for i=1:size(A_G_fft,2) col_data=A_G_fft(:,i)...

1 day ago | 0

Answered

runge-kutta ode45

Minor modification: Function Code (Save in the same working directory, filename runge_kutta_sis.m) function runge_kutta_sis(f,g...

runge-kutta ode45

Minor modification: Function Code (Save in the same working directory, filename runge_kutta_sis.m) function runge_kutta_sis(f,g...

1 day ago | 0

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Answered

For loop to add elements in a vector

% Set the format as per how numbers should appear in Command Window output format shortG Next: x=zeros(15,1); x(1)=50; for...

For loop to add elements in a vector

% Set the format as per how numbers should appear in Command Window output format shortG Next: x=zeros(15,1); x(1)=50; for...

1 day ago | 0

Answered

Matching elements from two different matrixes.

a=Shut(Shut>LowerLimit & Shut<UpperLimit) a = 228.6000 304.8000 381.0000 457.2000

Matching elements from two different matrixes.

a=Shut(Shut>LowerLimit & Shut<UpperLimit) a = 228.6000 304.8000 381.0000 457.2000

1 day ago | 0

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Answered

Calling elements of a row vector in Loop function

To save the array or matrix data use cell array. The ( ) allows to save the scalar numeric data only. { } bracket Read about...

Calling elements of a row vector in Loop function

To save the array or matrix data use cell array. The ( ) allows to save the scalar numeric data only. { } bracket Read about...

1 day ago | 0

Answered

Problem with try/catch

Have you read the document of try catch Doc fucntion? If any statement in a try block generates an error, program control goes...

Problem with try/catch

Have you read the document of try catch Doc fucntion? If any statement in a try block generates an error, program control goes...

1 day ago | 0

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Answered

How to center and add margin around image?

You can manually adjust the indices and overlap with the main image. Note that the main image pixel values will be lost in the o...

How to center and add margin around image?

You can manually adjust the indices and overlap with the main image. Note that the main image pixel values will be lost in the o...

2 days ago | 0

Answered

Deleting multiple rows based on a specific condition

Lets say data1 is the column time data diff_data=diff(data1); idx_delete=find(diff_data~=3600)+1; % +1 for compensate with ne...

Deleting multiple rows based on a specific condition

Lets say data1 is the column time data diff_data=diff(data1); idx_delete=find(diff_data~=3600)+1; % +1 for compensate with ne...

2 days ago | 0

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Answered

How can I plot the curve of SNR in dB versus target range in Km. The following code is producing blank plots.

The plot variables data are scalar (Single data), is there any sense? Like x=4; y=7; plot(x,y); There is a single dot in ...

How can I plot the curve of SNR in dB versus target range in Km. The following code is producing blank plots.

The plot variables data are scalar (Single data), is there any sense? Like x=4; y=7; plot(x,y); There is a single dot in ...

2 days ago | 0

Answered

How should I find cubic root?

Here roots https://in.mathworks.com/help/matlab/ref/roots.html

How should I find cubic root?

Here roots https://in.mathworks.com/help/matlab/ref/roots.html

2 days ago | 1

Answered

How to extract matching coordinates of a stitched and set of original images?

First Case: Pixel to Pixel comparision Simplest is Do the subtraction: The nearly zero or zero in the differenc result signify ...

How to extract matching coordinates of a stitched and set of original images?

First Case: Pixel to Pixel comparision Simplest is Do the subtraction: The nearly zero or zero in the differenc result signify ...

3 days ago | 0

Answered

How can I keep peak data

First case: The data is already there (store in the workspace, variable named as pks). You can use the data in proceeding spar...

How can I keep peak data

First case: The data is already there (store in the workspace, variable named as pks). You can use the data in proceeding spar...

3 days ago | 0

Answered

i have 2 tables have same number of columns i need to marge without key

result_table=[table1,table1] Make sure that both tables do not have the same column variable names and both have same number of...

i have 2 tables have same number of columns i need to marge without key

result_table=[table1,table1] Make sure that both tables do not have the same column variable names and both have same number of...

3 days ago | 0

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Answered

How to save clustergram as fig file using code?

One way: plot(cgo); saveas(gcf,'filename1.png')

How to save clustergram as fig file using code?

One way: plot(cgo); saveas(gcf,'filename1.png')

3 days ago | 0

Answered

Creating a matrix with for and input

nnd=input('Enter nnd '); ... geom(i,j)=input('Enter the Value: ')' .. geom

Creating a matrix with for and input

nnd=input('Enter nnd '); ... geom(i,j)=input('Enter the Value: ')' .. geom

3 days ago | 1

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Answered

How to increase axis of stem plots

xlim([0,1400 ]) Do the same for y axis ylim([0 16])

How to increase axis of stem plots

xlim([0,1400 ]) Do the same for y axis ylim([0 16])

3 days ago | 0

Answered

Plot a graph from the given table

Graph: Please do learn about line/plot design here simu_result=[34 81 92 94 211 222 233 234 312 336 372]; ana_result=[36 98 ...

Plot a graph from the given table

Graph: Please do learn about line/plot design here simu_result=[34 81 92 94 211 222 233 234 312 336 372]; ana_result=[36 98 ...

3 days ago | 0

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Answered

precision problem ? why ans for 10 ^ 5 * 0.0633 is 6.3299e+03

>> 10 ^ 5 * 0.0633 ans = 6.3300e+03 >> format shortG >> 10 ^ 5 * 0.0633 ans = 6330 See the other Format opti...

precision problem ? why ans for 10 ^ 5 * 0.0633 is 6.3299e+03

>> 10 ^ 5 * 0.0633 ans = 6.3300e+03 >> format shortG >> 10 ^ 5 * 0.0633 ans = 6330 See the other Format opti...

4 days ago | 0

Answered

How to visualize a pixel intensity values into an image or a plot?

You can use the following function to read a txt file. readmatrix, readtable, load etc Example: data=readmatrix('post_mathwor...

How to visualize a pixel intensity values into an image or a plot?

You can use the following function to read a txt file. readmatrix, readtable, load etc Example: data=readmatrix('post_mathwor...

5 days ago | 0

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Answered

Multiple conditions in an IF statement and they are not logical scalar values

Replace x with x(i) in all data, then code execute without any error. More: read about preallocation and logical indexing (MATL...

Multiple conditions in an IF statement and they are not logical scalar values

Replace x with x(i) in all data, then code execute without any error. More: read about preallocation and logical indexing (MATL...

5 days ago | 0

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Answered

Check if Column has Correct Sequence of Numbers

Steps: 1.Create the complete Table with original data (including missing data) 2. use ismissing function to detect in Table ...

Check if Column has Correct Sequence of Numbers

Steps: 1.Create the complete Table with original data (including missing data) 2. use ismissing function to detect in Table ...

5 days ago | 0

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Answered

Image Segmentation and Saving image

There are multiple threads are avalible on simmilar questions, please see my answer https://in.mathworks.com/matlabcentral/ans...

Image Segmentation and Saving image

There are multiple threads are avalible on simmilar questions, please see my answer https://in.mathworks.com/matlabcentral/ans...

5 days ago | 0

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Answered

Find first index that exceeds condition

"I would like to find the index and value of the 1st value > 2 after value (8)" Is this? data=[1,4,8,0,0,1,9,0,3] idx8=find(d...

Find first index that exceeds condition

"I would like to find the index and value of the 1st value > 2 after value (8)" Is this? data=[1,4,8,0,0,1,9,0,3] idx8=find(d...

5 days ago | 0