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KALYAN ACHARJYA


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1.353 total contributions since 2017

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Answered
Extracting features from rice grain image
Steps: As the ROIs are distinct, apply the proper threshold on gray images to segment ROIs Do the image engancement (if requi...

ongeveer 4 uur ago | 1

Answered
Denoising 3D ultrasound
It's purely depends on, what types of noise presence in the images. Though I can't commnet with surety, those filters may work ...

ongeveer 5 uur ago | 0

Answered
Transforming cell from excel file into numeric matrix
Exactly, readmatrix is preffered, if you have latest version. If not you can try the following one T=xlsread('Output_1.xls'); ...

ongeveer 7 uur ago | 0

| accepted

Answered
IF-statement for matrix/vector
As you mentioned that the matrix having size 146652x1, which means it has 1 column. Prefer logical conditional statement. idx=m...

3 dagen ago | 0

Answered
Index in position 2 exceeds array bounds (must not exceed 5).
I sense to be here fprintf(1,' %d tbp = %g C.\n',i, u(6+i)); %...................................^ Check? >>whos u

3 dagen ago | 0

Answered
Why 4.8/1.6 is not equal to 3?
Here "==" is logical equality check, if the Left Hand Side equal to Right Hand side, it gives logical 1 (True), else 0 More ab...

3 dagen ago | 0

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Answered
create an image with black background from extracted pixel values
%Lets suppose you have image1 as main image image1=ones(150,150); subplot(121),imshow(image1); title('Main'); r=randi(150,[1,...

3 dagen ago | 0

Answered
Feature orientation in images
The "best method" is purely based on input data and multiple factors, and it is apurely a subjective term. I would suggest to fo...

4 dagen ago | 0

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Answered
How to make a loop to do a specific operation for multiple variables?
Assuming those results are array, hence used cell array { }. If numeric, please change to array [ ] RefInd={}; ny=cell(1,3);;n...

5 dagen ago | 0

Answered
How to write horizontally
x=-5:1:5; y=x.^2; disp('desired output:'); x y More x=-5:1:5; y=x.^2; disp('desired outpit'); fprintf('x'); disp(x); ...

5 dagen ago | 0

Answered
How to display 1D vector with indices into a function
Store those index in some 1 D array and later call the respective index data from ECG data, see the modified code, you may get i...

5 dagen ago | 0

Answered
How to select different data points in different images in a loop?
Hope I understand the question?? Yes, lets suppose three data points points in image 1. Please stored in a array or matrix (wh...

6 dagen ago | 0

Answered
How to find the valley areas of the image?
The segmention approach for this image is already answerd, for localizing valley region please see the watershed algorithm. It w...

6 dagen ago | 0

Answered
How to multiply matrix by using for loop
clc; clear; Qhc=2000000*1000;%J , potrebna energija za grijanje u jednom satu N=200; %broj VK Qg=Qhc/3600; t=3600; %vrijem...

6 dagen ago | 0

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Answered
matlab code for 3x3 matrix determinant
det(matrix) Here det

7 dagen ago | 0

Answered
How to scale data and plot?
I want to scale it so that x axis is in [kHz] . Multiply x data with 10^(-3), and calculate the corresponding y data, then pl...

7 dagen ago | 0

Answered
Opening .m files in EEGLAB
See here the complete tutorial (Step by Step) http://www.indiana.edu/~pcl/busey/temp/eeglabtutorial4.301/readtut/eeglabreadata....

7 dagen ago | 0

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Answered
Filtering data separated by NaN rows for self-similarity
Is this? Lets suppose data is given as provided) idx=find(isnan(data(:,1))); [r,c]=size(data); for i=1:length(idx)-1 plot(...

7 dagen ago | 0

Answered
cell2sym...where it is?
May be you are using earlier version of Matlab, cell2sym is Introduced in R2016a

7 dagen ago | 0

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Answered
How to increase Quiver_tri arrow length
Quiver_tri arrow length When I tried, the arrow length is adjusted with gird number. [x,y] = meshgrid(0:0.5:2,0:0.5:2); u = c...

7 dagen ago | 0

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Answered
How can i use a loop for various sheet in excel?
Excel_files=dir('C:\Work\steven_work\*.xlsx'); for i=1:length(Excel_files) fName=strcat('C:\Work\steven_work\',Excel_files(i...

8 dagen ago | 0

Answered
1D vector in ECG
One Main Figure Window (Multiple Plots Window) : Remove the figure statement within the loop, & use proper subplot assignment O...

8 dagen ago | 0

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Answered
Looping a function with different inputs and storing multiple outputs.
Please note that you are using invalid indexing, In MATLAB allows only positive real numbers for indexing for loop g1=0.5:1:2....

8 dagen ago | 1

Answered
how do i find a maximum point (y axis)on a graph and the corresponding point on the x axis using loops?
index_point=find(max(F./G)==(F./G)); % Geting the index of max y x_data=x(index_point); % Getting the corresponding x data

8 dagen ago | 0

Answered
Increase exposure of an image by a certain number of stops (EV)
Still I feel the question is quite subjective, One way: the issue is how to get the contrast of an image? If done, you may look ...

8 dagen ago | 0

Answered
How to do average of different arrays of a matrix?
Yes, Stephen is rightly said, other options, array function or you can use this custom function for Block-wise Operations (5,1)...

10 dagen ago | 1

Answered
how to fit or plot a eclipse with data point
Interpolate 1D array for both x & y, then plot, Here interp1 function

10 dagen ago | 0

Answered
classification using properties obtained from GLCM
The question is purely subjective "what is specific range of contrast for vegtation,waterbodies" Contrast consider as the dyna...

10 dagen ago | 0

Answered
How to display smooth 3D surface from 3D binary matrix from 2D slices ?
Try with increasing cmax & lmax? xb = linspace(xstart,xend,cmax); yb = linspace(ystart,yend,lmax);

10 dagen ago | 1

Answered
graphing a gaussian fit of data, invalid use of operator
"however when I run the code it highlights the "-Xo" and says invalid use of operator." G = (1/dmax)*exp(((a*(x.(-Xo))^2))/(2*S...

10 dagen ago | 0

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