977 total contributions since 2017

#Image Processing

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#Alma-mater Tezpur University India

Answered

signal Processing data plot

Please do change as per your requirements T=table; for k=1:100 data1=k; %fprintf('The value is %d \n',data1); d...

signal Processing data plot

Please do change as per your requirements T=table; for k=1:100 data1=k; %fprintf('The value is %d \n',data1); d...

2 days ago | 0

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Answered

How to write MSE and PSNR values in table form ?

a=imread('coverimage.jpg'); [m,n,d]=size(a); kmax=floor((m*n)/(m+n+1)); da=double(a); U=zeros(m,m);S=zeros(m,n);V=zeros(n,n)...

How to write MSE and PSNR values in table form ?

a=imread('coverimage.jpg'); [m,n,d]=size(a); kmax=floor((m*n)/(m+n+1)); da=double(a); U=zeros(m,m);S=zeros(m,n);V=zeros(n,n)...

2 days ago | 0

Answered

How to remove error 'matrix dimensions must agree' in XOR code ?

Before apply the XOR logic operation, please make sure that both and b images have same dimension. Or If the a and b images ar...

How to remove error 'matrix dimensions must agree' in XOR code ?

Before apply the XOR logic operation, please make sure that both and b images have same dimension. Or If the a and b images ar...

2 days ago | 1

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Answered

How can I find maximums in the intensity profile and display it in the original image ?

My problem is why I got points outside the red curve ? here is my code? scatter(cy(locs(:)),cx(locs(:)),'b') I dot think ther...

How can I find maximums in the intensity profile and display it in the original image ?

My problem is why I got points outside the red curve ? here is my code? scatter(cy(locs(:)),cx(locs(:)),'b') I dot think ther...

2 days ago | 1

Answered

Why autocorr(x) and xcorr(x,x) give different results?

Please read here (Difference between autocorr & xcorr)

Why autocorr(x) and xcorr(x,x) give different results?

Please read here (Difference between autocorr & xcorr)

2 days ago | 1

Answered

How to get the threshold values so i can just get my hand in the binary image?

Hi Akshat, In your image the object (ROI) and image is clearly separable, you can directly apply the imbinirize function on th...

How to get the threshold values so i can just get my hand in the binary image?

Hi Akshat, In your image the object (ROI) and image is clearly separable, you can directly apply the imbinirize function on th...

2 days ago | 0

Answered

confront values in 2 matrix

"i have 2 different matrix with same dimensions and i need to know the min value against 2 values in the same position:" A=rand...

confront values in 2 matrix

"i have 2 different matrix with same dimensions and i need to know the min value against 2 values in the same position:" A=rand...

2 days ago | 0

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Answered

Problem with 'disp' function while using 'sym'

You are trying to diplay displaying a description and variable value in the same line using disp, please look at fprintf functio...

Problem with 'disp' function while using 'sym'

You are trying to diplay displaying a description and variable value in the same line using disp, please look at fprintf functio...

3 days ago | 1

| accepted

Answered

generate a crc bit using P(x)= 1 1 0 1 0 0 1 0 10 and G(x)=x3 + x +1

Matlab Documentation here I tried to implement the CRC from here %Transmitter: disp('###### Transmitter ######'); p=[1 1 0 1...

generate a crc bit using P(x)= 1 1 0 1 0 0 1 0 10 and G(x)=x3 + x +1

Matlab Documentation here I tried to implement the CRC from here %Transmitter: disp('###### Transmitter ######'); p=[1 1 0 1...

6 days ago | 0

Answered

How I can solve, index exceeds matrix dimensions

In your example PDF C1 is >> whos c1 Name Size Bytes Class Attributes c1 1x1 ...

How I can solve, index exceeds matrix dimensions

In your example PDF C1 is >> whos c1 Name Size Bytes Class Attributes c1 1x1 ...

6 days ago | 0

Answered

How to make changes in the code for determining grain size using Matlab?

Have you gone though? Recommended use of grain size parameters Find the way to get the volume-weighted average grain size d as...

How to make changes in the code for determining grain size using Matlab?

Have you gone though? Recommended use of grain size parameters Find the way to get the volume-weighted average grain size d as...

6 days ago | 0

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Answered

How to Sum the N newest data

One way: % Assuming E1,E2,E3...are scalars n= %total_data t1,t2,t3........ s=0; E=zeros(1,); for t=1:n % t time repr...

How to Sum the N newest data

One way: % Assuming E1,E2,E3...are scalars n= %total_data t1,t2,t3........ s=0; E=zeros(1,); for t=1:n % t time repr...

6 days ago | 0

Answered

How can In convert video to 3d image

One Way (Considering Gray Images): Extract the individuals frames and save in cell array reshape(all_frames,[row_frame,col_fra...

How can In convert video to 3d image

One Way (Considering Gray Images): Extract the individuals frames and save in cell array reshape(all_frames,[row_frame,col_fra...

6 days ago | 0

Answered

need to create a loop to load images

Assuming, you are trying to compare the images from same folder, suppose image1 and image2, image2 and image 3...so on.. %S...

need to create a loop to load images

Assuming, you are trying to compare the images from same folder, suppose image1 and image2, image2 and image 3...so on.. %S...

8 days ago | 1

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Answered

how to display images from a nifti file?

Read the individuals slices and convert them to binary, is there any issue? slice_test=Y(:,:,400) % Just as example of slice nu...

how to display images from a nifti file?

Read the individuals slices and convert them to binary, is there any issue? slice_test=Y(:,:,400) % Just as example of slice nu...

11 days ago | 0

Answered

What am i doing wrong in this code?

syms beta epsilon_r=2.1; f=(7e12); w=(2*3.1416*f); surface_conductivity = (0.00012164049 - 0.0053497497i); c=(3e8); epsil...

What am i doing wrong in this code?

syms beta epsilon_r=2.1; f=(7e12); w=(2*3.1416*f); surface_conductivity = (0.00012164049 - 0.0053497497i); c=(3e8); epsil...

11 days ago | 0

Answered

not enough input arguments

I assumed that num1 and num2 are number function s=test(num1, num2) s=num1+num2; end Save the above function as test.m file ...

not enough input arguments

I assumed that num1 and num2 are number function s=test(num1, num2) s=num1+num2; end Save the above function as test.m file ...

11 days ago | 0

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Answered

Converting polar form complex numbers into rectangular form

"Converting polar form complex numbers into rectangular form" z=0.5;theta=pi/4; [X,Y]=pol2cart(theta,z) Result: X = 0.3...

Converting polar form complex numbers into rectangular form

"Converting polar form complex numbers into rectangular form" z=0.5;theta=pi/4; [X,Y]=pol2cart(theta,z) Result: X = 0.3...

11 days ago | 1

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Answered

Function for Compliance Matrix

May be, one way? y=Tinv*T.*S; Example: >> Tinv Tinv = 0.1361 0.5499 0.6221 0.8693 0.1450 0.3510 0...

Function for Compliance Matrix

May be, one way? y=Tinv*T.*S; Example: >> Tinv Tinv = 0.1361 0.5499 0.6221 0.8693 0.1450 0.3510 0...

11 days ago | 1

Answered

How to remove the background of the person image?

I suppose you can do it, using K-means clustering technique. I dont have Matlab 2018b, hence unabled to test it. See here

How to remove the background of the person image?

I suppose you can do it, using K-means clustering technique. I dont have Matlab 2018b, hence unabled to test it. See here

11 days ago | 1

Answered

reflection and absorption coefficient of medical images

@Experts Your input is required here! Hey Jey, This is a very good question, also hard (for me) to answer, still I am trying.....

reflection and absorption coefficient of medical images

@Experts Your input is required here! Hey Jey, This is a very good question, also hard (for me) to answer, still I am trying.....

12 days ago | 0

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Answered

Thermal Image Analysis on Coffee Field

If you are confirm that farm affected area will emit higher or lower temperature than the healthy farm area. Then you can procee...

Thermal Image Analysis on Coffee Field

If you are confirm that farm affected area will emit higher or lower temperature than the healthy farm area. Then you can procee...

12 days ago | 0

Answered

How to repeat calculations at different large sets of coordinates.

z1= lambda1.*z Command Window: >> z1 z1 = -0.1666 0.5964 0.9796 0.0263 -0.3027 3.7607 Any is...

How to repeat calculations at different large sets of coordinates.

z1= lambda1.*z Command Window: >> z1 z1 = -0.1666 0.5964 0.9796 0.0263 -0.3027 3.7607 Any is...

12 days ago | 0

Answered

Effect in the output image for the transformation functions

Figure 1 No effect Figure 2 %Approximate Output_image=Input_image-L/2; or output_image=slope*input_image+(-c) % Decide C ...

Effect in the output image for the transformation functions

Figure 1 No effect Figure 2 %Approximate Output_image=Input_image-L/2; or output_image=slope*input_image+(-c) % Decide C ...

12 days ago | 0

Answered

Readtable from i-th row to last row

Readtable from i-th row to last row? load table, then or data=readtable(filename); i=??? % define data_read=data(i:end,:)

Readtable from i-th row to last row

Readtable from i-th row to last row? load table, then or data=readtable(filename); i=??? % define data_read=data(i:end,:)

13 days ago | 1

Answered

How to create Gaussian curve to an existing Histogram ?

histfit See here, any issue let me know here?

How to create Gaussian curve to an existing Histogram ?

histfit See here, any issue let me know here?

13 days ago | 0

Answered

How to create 2d plots

This is the code i used. I wanted to increase the speed of the animated line pause(0.0001); % decrease this one as per your req...

How to create 2d plots

This is the code i used. I wanted to increase the speed of the animated line pause(0.0001); % decrease this one as per your req...

13 days ago | 0

Answered

hi, i'm doing coding to calculate the blood cell, i have try one but seems like the result keep change

I run the code for 10 times and got the same results. The window figure is ovelaped as per your code, which uses 10 figures...

hi, i'm doing coding to calculate the blood cell, i have try one but seems like the result keep change

I run the code for 10 times and got the same results. The window figure is ovelaped as per your code, which uses 10 figures...

13 days ago | 0

Answered

question about sinc function

t=-linspace(-511*0.005,512*0.005,1000) u_t=3*(sin(2*55*pi*t)-sin(2*30*pi*t))./(2*pi*t); plot(u_t);

question about sinc function

t=-linspace(-511*0.005,512*0.005,1000) u_t=3*(sin(2*55*pi*t)-sin(2*30*pi*t))./(2*pi*t); plot(u_t);

13 days ago | 0

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