521 total contributions since 2013

#Freelancer (Part-Time)

#Image Processing

#Alma-mater Tezpur University India

Answered

i use this for profile plot using selection but its not working

im=imread('test.jpg'); imshow(im); improfile; It open the imshow figure window with + cursor on it. Left Mouse click-number ...

i use this for profile plot using selection but its not working

im=imread('test.jpg'); imshow(im); improfile; It open the imshow figure window with + cursor on it. Left Mouse click-number ...

13 hours ago | 0

Answered

How to make a Power Spectral Density plot

Read Here, the answer you are looking for Documentation

How to make a Power Spectral Density plot

Read Here, the answer you are looking for Documentation

16 hours ago | 0

Answered

How can I make an array with randomly choose from another matrix?

First One: A=[1 2 7 9] => how to build A like this> A=[1 1 2 2 7 7 9 9] result=repelem(A,2) 2nd One: >> A=[1 2 7 9]; >> ...

How can I make an array with randomly choose from another matrix?

First One: A=[1 2 7 9] => how to build A like this> A=[1 1 2 2 7 7 9 9] result=repelem(A,2) 2nd One: >> A=[1 2 7 9]; >> ...

1 day ago | 0

| accepted

Answered

how to remove stars (background stars) from image?

Here forced all pixels (those all pixels having more than 150) to zero(black) You can edit the as per your requirements- im1=...

how to remove stars (background stars) from image?

Here forced all pixels (those all pixels having more than 150) to zero(black) You can edit the as per your requirements- im1=...

1 day ago | 0

Answered

How do I remove the scattered noise from my Image?

You can do that in multiples ways- Use morphological operations (Documentation here) im=imread('image3.jpeg'); im2=im2bw(im); ...

How do I remove the scattered noise from my Image?

You can do that in multiples ways- Use morphological operations (Documentation here) im=imread('image3.jpeg'); im2=im2bw(im); ...

2 days ago | 1

| accepted

Answered

subtracting images processing,

If you see the result image, its not exactly compleyely dark. If you subtract the similar pixel elements, definitely you get the...

subtracting images processing,

If you see the result image, its not exactly compleyely dark. If you subtract the similar pixel elements, definitely you get the...

5 days ago | 0

| accepted

Answered

How to draw equally sized squares

x=[-1, 1, 1, -1, -1]; y=[-1, -1, 1, 1, -1]; plot(x, y, 'r-'); fill(x,y,'b') hold on; r=1.0; th=linspace(0,2*pi) ; x=r*cos...

How to draw equally sized squares

x=[-1, 1, 1, -1, -1]; y=[-1, -1, 1, 1, -1]; plot(x, y, 'r-'); fill(x,y,'b') hold on; r=1.0; th=linspace(0,2*pi) ; x=r*cos...

5 days ago | 0

Answered

Calculating Error and intercept on a log plot

ERROR Error using fit>iFit (line 127) X must be a matrix with one or two columns. Error in fit (line 108) [fitobj, goodness,...

Calculating Error and intercept on a log plot

ERROR Error using fit>iFit (line 127) X must be a matrix with one or two columns. Error in fit (line 108) [fitobj, goodness,...

7 days ago | 0

| accepted

Answered

How obtain coordinates of pixels within bwboundaries for each object?

Code for find the pixels of two withe segmented objects (Larger is object1 and circular object2) %Image raed, ensure that ima...

How obtain coordinates of pixels within bwboundaries for each object?

Code for find the pixels of two withe segmented objects (Larger is object1 and circular object2) %Image raed, ensure that ima...

7 days ago | 0

Answered

algorithm for bwmorph(BW,'skel',Inf)?

Have you check in Matlab documentation, check here? You will get little idea of skel. Also you can check here, where two name o...

algorithm for bwmorph(BW,'skel',Inf)?

Have you check in Matlab documentation, check here? You will get little idea of skel. Also you can check here, where two name o...

21 days ago | 0

Answered

Second Order ODE Error (Error in ode45 (line 115))

In the function file following line q is not defined ceq = sqrt(q*m*alpha*Fo/m/3/pi);

Second Order ODE Error (Error in ode45 (line 115))

In the function file following line q is not defined ceq = sqrt(q*m*alpha*Fo/m/3/pi);

21 days ago | 0

Answered

fsolve will not work on my machine

Do the following; Save the function named as test.m function F=test(x) F=2*x+1; end 2. Call the function from diff...

fsolve will not work on my machine

Do the following; Save the function named as test.m function F=test(x) F=2*x+1; end 2. Call the function from diff...

21 days ago | 0

Answered

How can I fix this Imrotate error in my program?

imrotate(I, 180); Where I must be image, But in your case you rotatinng the I_graycolor= imshow(I_graycolor,map); figure window...

How can I fix this Imrotate error in my program?

imrotate(I, 180); Where I must be image, But in your case you rotatinng the I_graycolor= imshow(I_graycolor,map); figure window...

21 days ago | 0

Answered

please ineed help for this "Load the image ‘cameraman.tif’, find its dimensions and number of channels and display it."

img = imread('cameraman.tiff'); % Read the image [rows, colm, dim]=size(img); Here rows and clom gives the number of rows and ...

please ineed help for this "Load the image ‘cameraman.tif’, find its dimensions and number of channels and display it."

img = imread('cameraman.tiff'); % Read the image [rows, colm, dim]=size(img); Here rows and clom gives the number of rows and ...

22 days ago | 0

Answered

error in test the retrain image

As you have use the following assignment inn function file img = imresize(img, [224, 224]); This way applies to grayscale ima...

error in test the retrain image

As you have use the following assignment inn function file img = imresize(img, [224, 224]); This way applies to grayscale ima...

23 days ago | 0

Answered

how to display different features with different color edges on a original image ?

I read your question two times, still If misundestood the question, let me know, I will delete the answer. I am doing here for...

how to display different features with different color edges on a original image ?

I read your question two times, still If misundestood the question, let me know, I will delete the answer. I am doing here for...

23 days ago | 1

| accepted

Answered

encoding NRZ polar as square wave ?

Note: This same can be easily done without using for loop (recomended), but first try to understand the issue, where you did wro...

encoding NRZ polar as square wave ?

Note: This same can be easily done without using for loop (recomended), but first try to understand the issue, where you did wro...

23 days ago | 0

| accepted

Answered

How to use matlab fuction in simulink

Save the following function file in same working directory (save file same name as fuction CalculPhases.m) function Phases =Cal...

How to use matlab fuction in simulink

Save the following function file in same working directory (save file same name as fuction CalculPhases.m) function Phases =Cal...

28 days ago | 1

| accepted

Answered

How to compare or find out the P.S.N.R. value of two image.

For Gray level images, there are inbuilt psnr function there. For color image you can do the way PSNR_value=PSNR_rgb(noisyImag...

How to compare or find out the P.S.N.R. value of two image.

For Gray level images, there are inbuilt psnr function there. For color image you can do the way PSNR_value=PSNR_rgb(noisyImag...

29 days ago | 0

Answered

error of Subscript indices must either be real positive integers or logicals, index exceeds matrix dimension,

There may be multiple error, I have noticed one immeditely You have defined dt1 as dt1=dx1/(a1*n); It return the value dt1...

error of Subscript indices must either be real positive integers or logicals, index exceeds matrix dimension,

There may be multiple error, I have noticed one immeditely You have defined dt1 as dt1=dx1/(a1*n); It return the value dt1...

29 days ago | 0

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Answered

Satisfying an equation using random numbers

theta=pi*(1/2-1*rand(1,10)); LHS=sqrt((1-sin(theta))./(1+sin(theta))); RHS=(1-tan(theta/2))./(1+tan(theta/2)); If your chec...

Satisfying an equation using random numbers

theta=pi*(1/2-1*rand(1,10)); LHS=sqrt((1-sin(theta))./(1+sin(theta))); RHS=(1-tan(theta/2))./(1+tan(theta/2)); If your chec...

29 days ago | 0

Answered

MATLAB could not find modbus function

This modbus function introduced in R2017a

MATLAB could not find modbus function

This modbus function introduced in R2017a

29 days ago | 0

Answered

Error opening .fig files

Have you tried this? fig1=openfig(figure_filename); %Only figure file name, ensure that figure in current directory

Error opening .fig files

Have you tried this? fig1=openfig(figure_filename); %Only figure file name, ensure that figure in current directory

1 month ago | 0

Answered

How can i obtain the edge of an Image using Compass operator in matlab.. pls respond with matlab code

I have answered based on the defination from this paper (SOBEL COMPASS EDGE DETECTOR). hx=[-1 0 1;-2 0 2;-1 0 1]; hy=[-1 -2 -...

How can i obtain the edge of an Image using Compass operator in matlab.. pls respond with matlab code

I have answered based on the defination from this paper (SOBEL COMPASS EDGE DETECTOR). hx=[-1 0 1;-2 0 2;-1 0 1]; hy=[-1 -2 -...

1 month ago | 0

Answered

change the graph from vertical to horizontal

As you did not provide A and B datas, you can do it in number of ways, which is suitable, please look on it. I have shown the ...

change the graph from vertical to horizontal

As you did not provide A and B datas, you can do it in number of ways, which is suitable, please look on it. I have shown the ...

1 month ago | 0

Answered

Enter matrix as table format in editor?

If I undestand the question, are you looking for this one or mat file?? M=[ 1 200 56; 67 0 34; 9 1123 467] Command ...

Enter matrix as table format in editor?

If I undestand the question, are you looking for this one or mat file?? M=[ 1 200 56; 67 0 34; 9 1123 467] Command ...

1 month ago | 0

Answered

create custom filter to image

Use mean2 and conv2 Is this OK with exp^ terms? -0.5 * x * brcov.^(-1) * x' >> whos x Name Size Byt...

create custom filter to image

Use mean2 and conv2 Is this OK with exp^ terms? -0.5 * x * brcov.^(-1) * x' >> whos x Name Size Byt...

1 month ago | 0

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Answered

I have about 300 short wav files, which have to be load into MATLAB. I am not able to find any information on how to load all the wav files into Matlab for further processing plz help.

% Ensure that all wav files in current directory and file names in proper sequence wavefiles=dir('*.wav'); for i=1:l...

I have about 300 short wav files, which have to be load into MATLAB. I am not able to find any information on how to load all the wav files into Matlab for further processing plz help.

% Ensure that all wav files in current directory and file names in proper sequence wavefiles=dir('*.wav'); for i=1:l...

1 month ago | 0

Answered

looping image analysis problem.

for i = 0:s while (i<10) image1=['img-00000000', int2str(i), '_Default_000.tif']; end while (i<100 && i>...

looping image analysis problem.

for i = 0:s while (i<10) image1=['img-00000000', int2str(i), '_Default_000.tif']; end while (i<100 && i>...

1 month ago | 1

Answered

How can i create two subplot

% Figure 1 figure(1); subplot(121), plot(test1); subplot(122), plot(test2); % Figure 2 figure(2); ...

How can i create two subplot

% Figure 1 figure(1); subplot(121), plot(test1); subplot(122), plot(test2); % Figure 2 figure(2); ...

1 month ago | 0