KALYAN ACHARJYA

1,269 total contributions since 2017

#Image Processing
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Answered
Number of Object in binary image
Yes, the correct answer is 31, not 6. Actually it counts the all white pixels, blobs (having 1 white pixel with sourounding by b...

17 hours ago | 1

Question

Image Write in Excel
Hello all, I am trying to write image pixels values in excel file, the size of image 2048x1365 uint8. presently using windows ...

18 hours ago | 1 answer | 0

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Answered
How to manually add matrices using only for loops
Here Loop is not required result=C+D

6 days ago | 0

Answered
Properly scale histogram in subplot and error handling
IMG = imread('img.tif'); subplot(1,2,1); imshow(IMG); subplot(1,2,2); histogram(IMG);

9 days ago | 0

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Answered
index exceeds array bounds
#Is this one, please do check & confirm? while(1) % mass spring damper system m=20; %Default mass in kg k1=100; %default sp...

9 days ago | 0

Answered
find main area of image
#Approximate Here se = strel('line',3,3); BW1=imdilate(binaryImage,se); BW2=bwareafilt(~BW1,1); se = strel('line',3,3); BW...

9 days ago | 0

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Answered
Variable plot title and legend
Other way apart from @Star's Answered: For variable data title plot, see this example: xmin=input('please input your minimum va...

9 days ago | 0

Answered
Finding the Sum of a Finite Series
No need any loop, just check here https://in.mathworks.com/help/symbolic/symsum.html Still having trouble, let me know?

9 days ago | 0

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Answered
How to save image with its original name?
Please see this example, you may able to fix it Images=dir('C:\Lab\Hand stage 4\*.png'); % Complete path outDirectory='C:\Lab...

10 days ago | 0

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Answered
for loop inside a if else loop
In each iteration code store the p2(i, j) element. After the loop execute, you may use unique function, ?? result=unique(p2); ...

11 days ago | 0

Answered
Sum two arrays using logical indices
c=a.*(a_logical)+b.*(b_logical) c = 1 3 4

11 days ago | 1

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Answered
Matrix Dimension does not agree when using ==
May be both Image having different size. Please make them same size and type and do compare. Use this way isequal(I1,I11) W...

11 days ago | 1

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Answered
how to get exact pixel value of the point marked in pen
Steps: Use loop to call one by one image Read the image (RGB2GRAY) / For Color thesoholding RGB2GRAY is not required Segment...

11 days ago | 0

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Answered
Normalize y axis in Matlab histogram2 Percentage
This example gives you the hints, just divide the y with total elements ran_data=randi(15,[1 150]); % Just random data [resul...

11 days ago | 0

Answered
How to store each for loop array values in avariable?
ret=[]; for n=1:b(2) ret=[ret P1*P2(n)] end

11 days ago | 1

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Answered
How to raise a matrix to multiple powers 0 to 100.
mat=..?? % Define the given Matrix mat_result=cell(1,100); for i=1:100 mat_result{i}=mat.^i; end

12 days ago | 0

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Answered
Error: Index in position 1 is invalid. Array indices must be positive integers or logical values
Here is the issue? In first iteration, when i=1; temp_data=data_final(find(data_final(:,2)==i),:); Does not find any data, wh...

12 days ago | 1

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Answered
How to crop detected face part?
Please see my this answer, it may help

12 days ago | 1

Answered
Finding the minima or maxima point on a graph
You can find local min islocalmin (first return array) or #Example x=1:100; c=2; m=3; y=m*x+c; data1=find(y==min(y)...

12 days ago | 0

Answered
What is the meaning of this line?
"why 2 times sumX2 and what is the purpose of using 2times and can anyone do let me know?" sumX2=sumX2+... Here sumX2 updated ...

12 days ago | 1

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Answered
Plotting only highest peaks from multiple signals
fs = 2e3; t = (0:1/fs:1-1/fs)'; A= sin(2*pi*19*t); B= chirp(t-0.6,61,t(end),603,'quadratic'); C=cos(2*pi*19*t); peakSig= ma...

13 days ago | 1

Answered
Search subarray closest other array
One way: A = [4, 5.5, 7, 8.1, 1, 5, 6, 7, 8, 9]; B = [5.5, 6.2, 7, 7.9]; for i=1:length(A)-4 result(i)=sum(A(i:i+3)-B); ...

13 days ago | 0

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Answered
Integration over function between two limits
syms x f_x=@(x) sin(x) q = integral(f_x,0,pi)

13 days ago | 0

Answered
matrix summation inside loop
#Without Loop Recomended syms i F_result=symsum((cos(q1)+cos(q2))*i,i,1,100) More detail, please check here কল্যাণ :)

13 days ago | 0

Answered
Switch case transition statement
I assume you have multiple cases n=input('Enter the case number: '); switch n case 1 if Conditionstatemnet/If this is tr...

13 days ago | 0

Answered
Help i get this error: Array indices must be positive integers or logical values. Error in simulering (line 35) plot(v(t),t)
plot(v,t)

13 days ago | 0

Answered
The end part of a set of cell arrays without loop
aa{end}

13 days ago | 0

Answered
I want to check the list [2:N] for values that are devisible by 2 and remove those from the list, help plz
N = 10; list=2:N list(find(mod(list,2)==0))=[] Result: list = 2 3 4 5 6 7 8 9 10 list ...

13 days ago | 1

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Answered
Transfering results form one function to another one
"how i can take values from one function to another one?" Its nesting of function, just call the 1st function to the 2nd functi...

13 days ago | 0

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Answered
How do I do random integers between (100*pi and 200*pi)?
100*pi or 200*pi are not integers >> 100*pi ans = 314.1593 For randi case randi([IMIN IMAX],1); here the input must be a...

13 days ago | 0

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