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KALYAN ACHARJYA


1,167 total contributions since 2017

#Image Processing
#Whatsapp+91-8387942066
#Alma-mater Tezpur University India

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Answered
solve symbol four equations for c1 c2 c3 c4
solve here

10 hours ago | 0

Answered
How to plot log-normal probability with x and y values?
Based on the data provided by you, it shows the following plot. x=[44 38 36 35 27 26.5 26 26 24 23.5 23 23 21 20.5...

1 day ago | 0

Answered
Avoiding coloured pixels in text
Chnage the color of Text, there are multiple features to change the color of the text RGB = insertText(I,position,text_str,'Fo...

1 day ago | 0

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Finding series/pattern in an array
I have answered this question with help of @Jan Answer's here A =[0 0 0 1 3 6 9 10 10 10 10 10 0 0]; d=[true,diff(A)~=0,true];...

2 days ago | 0

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Index exceeds matrix dimensions error message
Yoi defined z3 as scalar, but in the while loop you trying acess it as vectors #Defined here z3=1.23; # while z3(i)>=0 ...

2 days ago | 0

Answered
correlation coefficient of two images
I have tested it with my sample images, there is no issue A=imread('11.png'); % Read any Gray Image [r,c,ch]=size(A); % C...

2 days ago | 0

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how can I seperate magnitude and phase from an image using 2d dft?(fft2)
Do the same for considering two images and show mag1+phase1 and so on, here I have shown how you calculate the mag and phase for...

2 days ago | 1

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Answered
I need to create letter K with 20 pixel by 20 pixel by plotting
"Now I want to know how to rotate this letter 90 degrees" n=5; % size of matrix x=[2 2 2 3 4 4 4 ]; % x-coordinate y=[1 2 3 ...

2 days ago | 0

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Answered
For loop in image translation?
If you want to store in the cell array, may be this one: 3D cell array, due to multiple undefined variables, hence I can't check...

3 days ago | 0

Answered
what does "Undefined function 'f_integration' for input arguments of type 'double' " mean
Because f_integration & K_matrix are not Matlab inbuilt functions, hence you have to defined both function file in the same dire...

3 days ago | 1

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Answered
Write a loop that sums and subtracts elements with a lower and upper limit?
The thing i cannot implement is that the value should stop adding values to P_stored once the value lim_max = 500 is reached and...

3 days ago | 0

Answered
Get (automatically) position of pixels that are white in my binary mask image
"Get (automatically) position of pixels that are white in my binary mask image" Let suppose im1 is a binary image [r c]=find(i...

4 days ago | 0

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Answered
How to solve "Index exceeds the number of array elements (39)."
The problem is here z0Le(i) = z0LtW(i-1); x0Le(i) = x0LtW(i-1); When the loop iterate for first i=1, then, in the else state...

5 days ago | 0

Answered
Capture Matrix Results from For Loop for Plotting - MATLAB
How can this possible, you are trying to plot i vs x, where i is scalar (single value) and x is vector having length 3. x = -...

5 days ago | 0

Answered
vector is not overwritten after certain interation during loop
for a=1:n k=k0+num(:,a); stpx(a)= stpx_0+[stpx(k(1,1));stpx(k(2,1));stpx(k(3,1));stpx(k(4,1));stpx(k(5,1))]; stpy...

5 days ago | 0

Answered
graph cuts result produce two image
Your question is still not clear, but I am trying to answer In the code, "if condition" true, then only it shows first figure wi...

5 days ago | 0

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Answered
change initial condition with binary data in matlab
"change initial condition with binary data in matlab" Is this? Change here u(:,1)=randi([0 1],nx,1) And uk(:,2) =randi(...

5 days ago | 0

Answered
hello, how can I resolve this?
data=[2 1 2 1 2 2 4 1 2 3 8 1 2 4 16 1 2 5 32 1 2 6 64 1 2 7 128 1 2 8 256 ...

5 days ago | 0

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Answered
How to erode certain parts of an image
You can do that in multiple ways: result1=bwareafilt(binary_image,1); result2=~bwareafilt(~result1,9); imshow(result2)

7 days ago | 0

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Answered
How to draw ROC for 6 algorithms
See here to draw ROC %Draw the ROC of individual algo hold on;

7 days ago | 0

Answered
Best way to vary the threshold value of a greyscale image
Let say im is the gray image, assumed you are try to convert gray to binary % Define all threshold values here, you would like ...

7 days ago | 0

Answered
problem in plotting figure
In the line no 44, see both variable have different lengths, how can plot two different lengths vectors here plot(tvec,abs(z...

7 days ago | 0

Answered
Correcting blsprice(...) when I have negative foreign rate
[call, put]=blsprice(stock,strike,rate,time,volatility) See more details here

8 days ago | 0

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Array of images indexing
Use cell array data={frame1,frame2,........} Frame is an image, you can same multiple frames in cell array. Its very easy to c...

8 days ago | 0

Answered
Creating 3D Plot using Surf
format long e n=1:1:5; m=1:1:10; alpha=0.01; A=zeros(length(n),length(m)); B=zeros(length(n),length(m)); f=zeros(length(n)...

8 days ago | 0

Answered
How can I plot points of different color shade each iteration?
One way: col=[define colors here]; % define colors in strings, like 'b','r'...see color in Matlab. % Define colors equal to ...

8 days ago | 0

Answered
I don't know what's wrong in this code, it doen't produce a graph.
IR(i)= (cos(beta(i)).^2).*(sin(alpha(i))./alpha(i)).^2; %..^ here inside for loop

8 days ago | 0

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Answered
for loop indexing per allocating
LA(t/0.1+1)=1.15-(5*t); %.....^ indexing value must be positive integer Just an examples : LA(0.02)>> Not allow LA(1)>> Allo...

8 days ago | 0

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Answered
Plotting multiple Values on one axis
num=[0.1, 1, 10, 100, 1000]; den=[1 0.1]; for i=1:length(num) G=tf(num(i),den); CIsys=feedback(G,1) step(CIsys) title('Ste...

8 days ago | 0

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Answered
how to find an optimal window size for moving averaging filter among several windows?
"then how to find an optimal window size for moving" As, average filter smooths the original image, its based on result on pari...

9 days ago | 0

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