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# KALYAN ACHARJYA

##### Last seen: Today
1,434 2017 이후 총 참여 횟수

#Image Processing
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Segmentation and vertical length measurements
#NonTested, but providing the steps for the same- Convert the image to binary Apply Hit and Miss Transfrom to trace the outer...

약 6시간 전 | 0

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Change column name based on another vector
See the table and set accordingly https://www.mathworks.com/help/matlab/ref/table.html

약 6시간 전 | 0

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How to convert string "26/7" into a double variable?
X = str2double(str) converts the text in str to double precision values. Text is "22/7" This is not a number right "/" . What d...

약 6시간 전 | 0

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Is it possible Matlab shows the grid on the surface of the plot?
Change the faceAlpha (within 0 and 1) value, see, it may heps you (This is transperancy) surf(x,t,abs(r1),'FaceAlpha',0.5); Or...

약 7시간 전 | 0

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How to use a loop to increase polynomial order and store results
One way hints: Start with T(1) to T(10), Matlab doesnot allow zero indexing T(1)=t^1 for i=2:9 T(i)=[T(i-1),t^i]; end

약 23시간 전 | 0

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non zero elements in matrix
[r,c]=find(mat~=0)

1일 전 | 0

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How can i change the positions of numbers in a matrix
sort the matrix, you will get all rows at initails of rows numbers sort(matrix)

1일 전 | 0

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How to transform double to unit8
im2uint8

1일 전 | 0

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Help with filling in a few pixels
See imerode with proper str element then trace. Later you have to take care this morpho operation to get the actual shape/sizes

2일 전 | 0

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Plot Data into a Histogramm
"My question: Is my histogram ok?" Ans: OK, as per your data "Because i thought that in a histogram the most frequent data mus...

2일 전 | 0

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Array indices must be positive integers or logical values.
keff2 = k2 .*(am2*(k1+2*k2)-2*am1*(k2-k1))./(am2*(k1+2*k2)-am1*(k1-k2)); More: p0=8.854e-12; % Membrane thickness d, cell ra...

2일 전 | 0

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Multiple graphs not showing
All values produce the same result, hence opvelaped. When I multiply k by rand function it shows the plots.

2일 전 | 0

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How can I assign correct value for variable img_heq
img_heq=histeq(img,[0,255])

2일 전 | 0

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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');

20일 전 | 0

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how to remove Outermost semicircle on the grayscale image?

23일 전 | 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(...

약 1달 전 | 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....

약 1달 전 | 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...

약 1달 전 | 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]';

약 1달 전 | 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...

약 1달 전 | 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...

약 1달 전 | 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...

약 1달 전 | 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...

약 1달 전 | 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"

약 1달 전 | 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...

약 1달 전 | 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...

약 1달 전 | 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...

약 1달 전 | 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

약 1달 전 | 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...

약 1달 전 | 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 ...

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