KALYAN ACHARJYA

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1 966 total contributions since 2017

#Image Processing
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Answered
Keep track of Matrix row indices after deleting some rows
You can store the A in a temporary variable, and do the modification on temp temp=A; Now do the all modification on temp. Res...

24 jours ago | 0

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representation of many curves
Snippet: % Images Folder Directory % Call the images one by one, there are multiple simmilar question, please check % Load an...

24 jours ago | 0

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help with pie chart
Suficients Hints: Enter the levels by yourself. counts=input('Enter the Total Cetegory'); p=[]; i=1; while i<=counts p(...

environ un mois ago | 0

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plot to the function
Hint: z=[0, 0.03, 0.2, 0.5, 1,2]; r=0:0.01:3; for i=1:length(z) eq=..... % Here z(i) plot(eq); % r vs. eq hold on; end A...

environ un mois ago | 0

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Answered
Plot two curve of different program in same graphs
Call two programs as function, see the following example Code 1: function code1(x) y=exp(x); plot(y); hold on; end Code 2...

environ un mois ago | 0

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Answered
How to convert 'NaN' to numeric NaN
Is this? >> str2num('NaN') ans = NaN Or data={2,5,NaN,6} cell2mat(data) # data = 1×4 cell array {[2]} ...

environ un mois ago | 0

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Difficulty plotting equations.
#Do modification, no coding error t=0:.2:2; y1=1*cos(2*pi*3*t)+0.8*sin(2*pi*8*t); y2=0.6*cos(2*pi*0.6*t)+(pi/3)+0.25*sin(2*p...

environ un mois ago | 1

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Answered
3 equations with 3 unknowns I need the answer ASAP plz help
Solve System of Linear Equations Using linsolve https://in.mathworks.com/help/symbolic/solve-a-system-of-linear-equations.html

environ un mois ago | 0

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Positive angles in a graph
%Force all angles must be positive. mask=theta<0; mask=360*double(mask); theta=theta+mask;

environ un mois ago | 0

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Answered
Why do i need to use .^ notation ?
It's based on equation. .^ represent the element wise to the power of any array/vector. See the example a = 1 2 ...

environ un mois ago | 0

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I want to reduce the width of certain plots in a subplot from other plots.
One way to plot multiple subplots with diffeent aspect size: tiledlayout function https://in.mathworks.com/help/matlab/ref/tile...

environ un mois ago | 0

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why I am not getting the plot
y all values are inf

environ un mois ago | 0

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How do I split and assign a matrix sized 1880,2 into N smaller matrices (or a struct holding the matrices) where N matrices have 5 elements of dim1,dim2, the next five and so on (incremental looping)?
mat2cell https://in.mathworks.com/help/matlab/ref/mat2cell.html

environ un mois ago | 0

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How to connect all result?
Use cell array to store the vectors B=cell(1,bond(860)+1) for i=1:bond(860)+1 %bond is data that include 860*2 tabl...

environ un mois ago | 0

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Getting a vector for different x value
Is this? a=0; b=1; h=b-a/2; n=0.01; xnew=[];% Number of Iteration is not known xnew(1)=h; i=1; while xnew(i)>n xnew(i+...

environ 2 mois ago | 0

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Hi i need some help here to put this into a matlab
h=0.5; a=0; x=a+h; i=2; tol=...? while err<tol x=[x a+i*h]; h=h/2; i=i+2; err=..% Update end

environ 2 mois ago | 0

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Answered
how to remove 2d fourier transform image noise
Decide the cutt off frequency, apply filter and do the inverse More Detail: https://www.clear.rice.edu/elec301/Projects01/im...

environ 2 mois ago | 0

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How to build a class map from multiple binary images?
"I want to acquire an output containing all these classes with a random color asigned to each class" Here @Image Analyst Answer...

environ 2 mois ago | 0

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How to save the matrix value of bmp image ?
Once you load the image,Matlab itself save it as a Matrix with assigned variable name. In the above mentioned example m1 is the ...

environ 2 mois ago | 0

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Answered
find pixels of a line in picture
% Load the image rgbImage=imread('image_line.png'); % Get the one plane/Gray Image red_channel=rgbImage(:,:,1); % Segment th...

environ 2 mois ago | 0

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how to conver image matrix into bipolar values
Bipolar Values, considering two data value only (Same number with Positive & Negative) bw_image=%Convert to binary image image...

environ 2 mois ago | 2

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Answered
Using double precision, find x for which exp(x) doesn't overflow.
All data creates in MATLAB are douple precision (Standard /By Default) Double More: e^x = 1 + (x ^ 1 / 1!) + (x ^ 2 / 2!) .....

environ 2 mois ago | 0

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save image names form a loop in a new variable
Here, I answered based on decription of the questions j=1; for i=1:total_images %Images call one by one %Detection Part r...

environ 2 mois ago | 0

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Answered
Concatenation of 2 different feature maps of different dimension
Have you refered the following links? (External Links) https://ai.stackexchange.com/questions/2932/concatenate-convolution-laye...

environ 2 mois ago | 0

Answered
How to save output from the for loop in a matrixs?
Use Cell array to save the Matrices result pks_data=cell(1,length(x)); locs_data=cell(1,length(x)); for i=1:x [pks,locs]...

environ 2 mois ago | 0

Answered
Segmentation of the microscope circle
You can direct thresold the largest black area. Here the shown code is quite lengthy, but it is easier to understand. bwImage=i...

environ 2 mois ago | 0

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Answered
How to pick the lowest element for each row by different matrices?
I'm looking for the code to create a matrix D (4x2), such that each row is picked by a, b, c with the lowest item in the first c...

environ 2 mois ago | 1

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Answered
Pause a Frame in an Animation
Adjust the frame rate this way? video_data=VideoWriter('test_video'); video_data.FrameRate=5; open(video_data) for i=1:50 ...

environ 2 mois ago | 0

Answered
How to make the time invtervals between two index fixed when plotting in real time using function 'tic toc'
"But I want the time intervals to be fixed, for example, it recordes index every 0.3 seconds regularly. My code is look like bel...

environ 2 mois ago | 0

Answered
Plot each individual cells in different graphs
datecell=load('datecell.mat'); datecell=datecell.datecell; smcell=load('smcell.mat'); smcell=smcell.smcell; figure, for ci=...

environ 2 mois ago | 0

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