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# KALYAN ACHARJYA

##### Last seen: 3 days ago
1,984 total contributions since 2017

#Image Processing
#Learner Alma #TezpurUniv

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Determining mean and creating a bar chart in Matlab
load LabelTable.mat % Extract data % ID 1 Animal_ID_1 = T(T.Caller_ID==1,:); % ID 2 Animal_ID_2 = T(T.Caller_ID==2,:); % I...

2 days ago | 0

Is there a way to automatically extract the first and last number in a for loop?
So my question is, is there a way to automatically extract the first and last number in the sd column and place them- Just stor...

2 days ago | 0

Segmentation of multiples ecg signals
First Part: load ecg_data_file Read the y axis data (mV) as another column data & store in new variable, say ecg_data. The ti...

3 days ago | 0

I have an image ( bit it has a ‘spotty’ appearance). Can you help restore it to a less spotty state

3 days ago | 0

dsolve for multiple plots on a single figure
Using Loop A = 2; % cross-sectional area (m^2) T = 0.1; % integral time c...

22 days ago | 0

How do I select the particular region of the segmented image in MATLAB
Possible: Convert the image to binnary & trace the region?? If you can perform an operation on a binary image, its indexes can a...

22 days ago | 0

how to save the data in csv file from the plot
Options: The plot is a figure, you can save as Matlab .fig files (Use save as option) Save the figure plot result as an image ...

23 days ago | 0

Given a linear system i want to do Gauss-Seidel iteration.But getting error.Would appreciate if anyone fix me the code. Thanks.
No coding syntax error x(1)=1.5; y(1)=-1; z(1)=1; iter(1)=0; for n=1:4 iter(n+1)=n; x(n+1)=(16+3*y(n)-2*z(n))/8; y...

24 days ago | 0

Yes it's OK, horizontal concatenation x=[x,3] Example: >> x=1:4 x = 1 2 3 4 >> x=[x,9:12] x = 1 ...

24 days ago | 0

Image pre-processing to remove noise
Absolutely possible, you can remove the white pixels based on area (Extract objects from binary image by size) and do some AND o...

24 days ago | 0

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I want to Generate Chirp Signal
See the MATLAB inbuilt function, you need to change the properties only https://in.mathworks.com/help/signal/ref/chirp.html

24 days ago | 0

How to write loops within loops for a function.
Vs = 8:-0.1:7 o/p: 8 7.9 7.8 7.7 7.6 7.5 7.4 7.3 7.2 7.1 7 Hoe you can do the ...

24 days ago | 0

xlswrite() to write to csv file not working
You are trying to save in CSV, Prefer this one https://in.mathworks.com/help/matlab/ref/writematrix.html

24 days ago | 0

Matrix dimension conversion for image input layer
Sir, you can convert the size of the image from 2D to 3D using the following way (The image isualization is not affected) ori_i...

24 days ago | 0

sum of array by specific index value
result=sum(second_arary(first_array)) More result=sum(hasil_tambah_array(index))

25 days ago | 0

Image pre-processing to make pixels in one straight line
Yes, you can do that multiple ways Get the two highest-spaced white pixels in the image, column numbers (left column and right ...

27 days ago | 0

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HSV color assignment depending on the height of the corresponding histogram bin
If you use less than & equal (both inclusion), it may be cover the entire image. e.g if h_level>0.75 & s_level>0.75 pixel...

27 days ago | 0

How to count objects in an image?
The approprite approach based on the type of input images, though you can follow the following (General Case) Steps: Do the se...

1 month ago | 1

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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...

2 months ago | 0

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

2 months ago | 0

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

3 months ago | 0

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...

3 months ago | 0

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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...

3 months ago | 0

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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]} ...

3 months ago | 0

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...

3 months ago | 1

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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

3 months ago | 0

Positive angles in a graph

3 months ago | 0

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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 ...

3 months ago | 0

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