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KALYAN ACHARJYA


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1.489 total contributions since 2017

#Image Processing
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Answered
how to use abs function in this code?
a=input('Enter the size of rows:'); b=input('Enter the size of columns:'); A=randi([-30 30],a,b) r=zeros(a); d=zeros(a); fo...

ongeveer 20 uur ago | 0

Answered
What is this Matlab symbol '' | ''
Logical OR Operation See details here https://www.mathworks.com/help/symbolic/or.html

ongeveer 21 uur ago | 1

Answered
Find aggrement for Classification problem between 5 raters
Then count the number of tumors, in the result image

ongeveer 21 uur ago | 0

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...

12 dagen 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(...

14 dagen 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)...

15 dagen ago | 0

Answered
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...

15 dagen ago | 0

Answered
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 ...

15 dagen 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...

16 dagen ago | 0

Answered
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...

16 dagen ago | 0

Answered
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...

16 dagen ago | 0

| accepted

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...

16 dagen ago | 0

| accepted

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

16 dagen 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.

16 dagen 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...

18 dagen 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...

19 dagen 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....

19 dagen ago | 0

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

19 dagen ago | 0

Answered
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))); %.......................

19 dagen 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...

20 dagen 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

20 dagen ago | 1

| accepted

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...

21 dagen 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. ...

22 dagen 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...

22 dagen 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...

22 dagen ago | 0

| accepted

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

22 dagen ago | 1

| accepted

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...

22 dagen ago | 0

Answered
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

25 dagen ago | 0

| accepted

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_...

25 dagen 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); ...

25 dagen ago | 0

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