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KALYAN ACHARJYA


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1,421 2017 年以降の合計貢献数

#Image Processing
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Smith Diagramm in matlab/octave
axis off; Or Also you can set the axes properties , like set(...) or axes('Color','none','XColor','none');

15日 前 | 0

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how to remove Outermost semicircle on the grayscale image?
mask=bwareafilt(~imbinarize(grayImage,0.8),1); grayImage(~mask)=255; imshow(grayImage);

17日 前 | 0

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How to show all figure in lopping to only only one figure?
"How to show all figure in lopping to only only one figure?" #Example figure, for i=1:10 data=rand(1,20); subplot(...

25日 前 | 0

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how to random initialize svd function in matlab??
data_test=magic(3); [U,S,V]=svd(data_test) Result U = -0.5774 0.7071 0.4082 -0.5774 0.0000 -0.8165 -0....

25日 前 | 0

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Can anyone help me to solve my last line matlab error? When I use haar transfrom, it works perfect, but when I use db2, the last figure could not come, please help.
It's the issue with concanatation (Dimention Mismatch) , Here I have choosen one test image to check. Lets simply to get the iss...

25日 前 | 0

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How to replace a column in a text file with time and plot a graph from it?
Please note: It should be column vector data = load('test1.txt'); data(:, 1) =[0:0.0001:60000]';

26日 前 | 0

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How can I plot this discrete recursive function?
function pop=discrete_logistic(time) r = 1; K = 1000; N0 = 0.1; if time==0 pop=N0; else pop=discrete_logistic(tim...

26日 前 | 1

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plot median of a vector from several seperate fodlers
figure; hold on; M=zeros(1,40); for fileidx = 1:40 filedata = load(fullfile('F:\Simulationsergebnisse\Generationen_FMUOneHea...

26日 前 | 1

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Eliminating duplicated values in a cell Array
S = {'ABS' ; 'First'; 'input'; 'ABS'}; result=unique(S) result result = 3×1 cell array 'ABS' 'First' 'input...

26日 前 | 0

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How can I find center coordinates of six black rectangles in a image with HitMiss transformation?
bwImage=imread('semafor.bmp'); result=bwareaopen(~(bwImage | bwareafilt(~bwImage,1)),50); imshow(result); Now get the ind...

26日 前 | 1

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What is the difference between a weighted mean filter and an alternative mean filter in low pass filtering?
As per my undestanding, in weigthed mean the mask coefficients are not "1"

26日 前 | 0

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"machine learning implementation in matlab"
TO calculate the energy, here is the best Matlab documentation. Steps: FFT Calculate the Average Power Sum up for particu...

26日 前 | 0

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Seperate rows in matrix based on values of the elements.
for i=1:length(unique(A(:,1))) mat{i}=A(A(:,1)==i-1,:); end result=cell2mat(mat) out1=reshape(result(1,:),[2,3])' % Use loop...

28日 前 | 0

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How to create grating diffraction pattern.
x = linspace(-50, 50, 500); lambda = 632.8e-9; % m D = 1; % Distance to the observati...

28日 前 | 0

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how to differentiate this equation
syms s theta_D=diff(theta,s); theta_2D=diff(theta,s,2); %or theta_2D=diff(theta_D,s); diff

28日 前 | 0

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How can i make an image from a .mat file?
The data n=7544x53 double, which is shown in the figure as per data size, if the data have more columns then it may be show more...

28日 前 | 0

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Need help to debug code
#Need help to debug code There is no coding error. function [x1]=tutorial1(x0,nMax,tol) % for loop acting continously for 15 ...

28日 前 | 1

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how to convert a segmented image to a set of bounding boxes?
regionprops(segmmented_image, 'BoundingBox' ); then rectangle See the Matlab Documention for details

28日 前 | 0

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How can I fill a matrix in certain places with intervals?
N=input('How many squares: '); tab=ones(N,N); tab(1:2:N,2:2:N)=0; tab(2:2:N,1:2:N)=0; imshow(logical(tab));

30日 前 | 0

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Finding a specific row in a matrix based on user inputs?
#Do the necessary changes, as required %let say mat_data is the main matrix mat_data=[1 1 3 4 56 1 2 3 4 50 ...

約1ヶ月 前 | 0

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How can I faster matrix multiplication
Is it simmilar? G=[-0.00101584090085100 -0.0373729264800720 0.00786581385357300 -0.0373729264800720 -0.284509289498308 0.075...

約1ヶ月 前 | 0

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Simulation Domain (Region)?
May be, he is talking about x and y axes scaling N_x =1:0.1:100; N_y =1:0.1:100;

約1ヶ月 前 | 0

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Drawing Rectangles/Polygons shapes with data
I think, one for loop is sufficients %Read the file xlsx or CSV for loop to read the individual row row_data=data; % Please ...

約1ヶ月 前 | 0

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comparison and replacement of values between 2 matrixes.
"i am wanting to find and replace the values in the 4th column of the first matrix, with the values in the 4th column of the 2n...

約1ヶ月 前 | 0

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How can i find maximum and minimum intensity values of gray image????
min_intensity=min(grayImage(:)); max_intensity=max(grayImage(:));

約1ヶ月 前 | 0

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pleas! what is wrong in this program?
sampleTime = 1/500000; % Sample time (s) maxDopplerShift = 200; % Maximum Doppler shift of diffuse components (Hz) delayVector...

約1ヶ月 前 | 0

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Making my answer show in matrix form
for n=1:7 coordsX(n)= ; % Semicolon here coordsY(n)= ; % Semic...

約1ヶ月 前 | 0

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Removing unwanted components in a binary image?
BW=bwareafilt(bw_im,1); result=bw_im-BW; imshow(result); If you are more interested to control the small area objects use thi...

約1ヶ月 前 | 0

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Fitting a curve to a histogram
data=[yA;yB;yC] histfit(data) Set appropriately https://in.mathworks.com/help/stats/histfit.html

約2ヶ月 前 | 0

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Why does it say Iteration limit reached and how do I fix it?
Its doing as defined in the code, when the iteration reached more than iteration limit, it reflects the message as mentioned wit...

約2ヶ月 前 | 0

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