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KALYAN ACHARJYA


Last seen: 4 Tage ago
1.486 total contributions since 2017

#Image Processing
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Answered
Copy move forgery detection sift Ransac
You can can give any two images to create a mosaic of images. As per definition in the code- "SIFT_MOSAIC demonstrates matchin...

10 Tage ago | 0

Answered
Trying to change pixels in an image based on values I have obtained in a previous Array.
image1=[1225 534;532 212;1315 440;39 1;1542 503;1509 902]; max1=max(image1(:)); image2=uint8(zeros(max1,max1); image2(image1(...

12 Tage ago | 0

Answered
finding forward direction in matlab
Please use the another index varibale name inside if statement, like k=1; for i=2: m-1 if a(i)>=1 && a(i-1)>i && a(i+1)...

13 Tage ago | 0

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How to plot smoothing line like on excel ?
I want to plot this data in a smooth line, what a functions should i use ? smooth function https://www.mathworks.com/help/cur...

13 Tage ago | 0

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intersection of lines and curves
Have you tried this way? data1 data2 diff=data1-data2; small_value=?? % Define small value to deal with samll differenece ...

13 Tage ago | 1

Answered
How to detect and count number of circles in overlap condition
Here are my submission: 1. How to count the number of disks in the image? (If I'm not mistaken,the mentioned disks are refer t...

14 Tage ago | 0

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Conversion dat file into m file
Why m file ? Use the readtable or readmatrix function and save the file in allowable format. .m file represents as MATLAB scri...

14 Tage ago | 0

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Update a for loop issue.
Here are my submission: Please define the "Items_Left" before the for loop (may be original number of items, during start the...

14 Tage ago | 0

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Answered
Why is @(x) used in matlab and how does it work?
Its creates the function handle, I suggest ti go through the following MATLAB Documentation, and any issue let us know here htt...

14 Tage ago | 0

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Answered
if conditional 2 out of 3
(A+B+C)>=2

14 Tage ago | 1

Answered
Index in position 1 exceeds array bounds (must not exceed 1818)
Your all_file_matrix(Sample1.txt) have 1818 rows and you are trying to access rows(i)=1821.

14 Tage ago | 0

Answered
How to convert 1x1 sym into numeric value in the workspace?
Here https://www.mathworks.com/help/symbolic/conversion.html syms https://www.mathworks.com/help/symbolic/create-symbolic-nu...

16 Tage ago | 0

Answered
ROI found automatically Image processing
Sir the job is image segmenattion. As I see the attached first image to get the white portion, I feel thresholding may be suffic...

17 Tage ago | 0

Answered
How plot graph with loop over existing graph on new figure
K = 1.38065*10^-23; %Boltzmann constant q = 1.602 *10^-19; %charge of electron Iscn = 8.21; %Nominal SC current Vocn = 34....

17 Tage ago | 0

Answered
How to limit the X-axis for my transfer function plot?
xlim https://www.mathworks.com/help/matlab/ref/xlim.html

17 Tage ago | 0

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error in code for research paper
You have not defined/evaluated the ht variables, before to use it. Ut_air(i)=1.\(((1.\UtT(i))+(1.\hT))); %.......................

17 Tage ago | 0

Answered
How to plot Receiver Operating Characteristics Curve (ROC)?
The answered, which I have provided (manual process for non supervised classification algorithm), when I was very beginnner on M...

18 Tage ago | 0

Answered
How to perform image recognition of characters and numbers in a image
OCR https://www.mathworks.com/help/vision/optical-character-recognition-ocr.html

18 Tage ago | 1

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Answered
how to extend the plot with slope of last two points till the boundary. Boundaries can be dictated by peak of adjacent plots
Multiple way: One option X1 = linspace(2,3,20); Y1 = linspace(1/1000, 1,20); X2 = linspace(14,15,30); Y2 = linspace(1/10000...

19 Tage ago | 0

Answered
Vectors must be the same length
% This program implements an explicit scheme to solve the Burgers−Huxley % eqution, with the addition of shifting the profile. ...

20 Tage ago | 0

Answered
Why My line doesn't show in a graph
s=0.7; L=0.4; T=0.2; l=0.1; d=0.025; m=0.035; t=0.2; O=0.5:0.1:1; R=s*L*(T+l+d+m)./(m*(T+d+m+t)*(T+l+d+m)-(t*O)); pl...

20 Tage ago | 0

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Answered
Saving Loop Values to Array with Non-Integer Index
Make the r and x as output arguments in the function function [pl,r,x] = Geodesic(R, b, ro, a) % This function plots a geodesc...

20 Tage ago | 0

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Answered
Simple 2D contour plots
Create the meshgrid of R,C,F then plot contour https://www.mathworks.com/help/matlab/ref/contour.html

20 Tage ago | 1

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Answered
how should I plot the y(n)
Z=rand(3000,1); for n=1:3000 x=Z(n); y(n)=1-exp(-x); end cdfplot(y); Or (Without Loop: Recomended) x=rand(3000,1...

20 Tage ago | 0

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No file or directory error when trying to read in an edf file
Please check the working directory, ensure that edf file present in the current working directory

23 Tage ago | 0

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Answered
How calculate daily, monthly, seasonally mean average and std?
%Load the mat file %Monthly len_month=length(unique(data(:,2))); or %use size(data(:,2),1) monthly_data=sum(data(:,end))/len_...

23 Tage ago | 0

Answered
why i got error on this coding for graphical method?
T=0:200:1400; f=(0.99403)+((1.671*10^-4)*(T))+((9.7215*10^-8)*(T.^2))-((9.5838*10^-11)*(T.^3))+((1.9520*10^-14)*(T.^4))-(1.2); ...

23 Tage ago | 0

Answered
Extracting Data from Script
Assign those varibles as output arguments function [u,data2,x_data]=AdvDiff m=0; x=linspace(0,1,10); t=linspace(0,1,10); s...

23 Tage ago | 0

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Answered
How do I extract numbers from a matrix, use them in equations in the program and then assign all numbers in specific columns to variables.
mat_data(row,cloumns) Use the conditional indexing, it great way to represents any matrix data. If you can share some specific ...

23 Tage ago | 0

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