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KALYAN ACHARJYA


Last seen: ein Tag ago
1.403 total contributions since 2017

#Image Processing
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Answered
Finding a specific row in a matrix based on user inputs?
#Do the necessary changes, as required %let say mat_data is the main matrix mat_data=[1 1 3 4 56 1 2 3 4 50 ...

ein Tag ago | 0

Answered
How can I faster matrix multiplication
Is it simmilar? G=[-0.00101584090085100 -0.0373729264800720 0.00786581385357300 -0.0373729264800720 -0.284509289498308 0.075...

2 Tage ago | 0

Answered
Simulation Domain (Region)?
May be, he is talking about x and y axes scaling N_x =1:0.1:100; N_y =1:0.1:100;

2 Tage ago | 0

Answered
Drawing Rectangles/Polygons shapes with data
I think, one for loop is sufficients %Read the file xlsx or CSV for loop to read the individual row row_data=data; % Please ...

2 Tage ago | 0

Answered
comparison and replacement of values between 2 matrixes.
"i am wanting to find and replace the values in the 4th column of the first matrix, with the values in the 4th column of the 2n...

4 Tage ago | 0

Answered
How can i find maximum and minimum intensity values of gray image????
min_intensity=min(grayImage(:)); max_intensity=max(grayImage(:));

12 Tage ago | 0

Answered
pleas! what is wrong in this program?
sampleTime = 1/500000; % Sample time (s) maxDopplerShift = 200; % Maximum Doppler shift of diffuse components (Hz) delayVector...

12 Tage ago | 0

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Answered
Making my answer show in matrix form
for n=1:7 coordsX(n)= ; % Semicolon here coordsY(n)= ; % Semic...

13 Tage ago | 0

Answered
Removing unwanted components in a binary image?
BW=bwareafilt(bw_im,1); result=bw_im-BW; imshow(result); If you are more interested to control the small area objects use thi...

13 Tage ago | 0

Answered
Fitting a curve to a histogram
data=[yA;yB;yC] histfit(data) Set appropriately https://in.mathworks.com/help/stats/histfit.html

15 Tage ago | 0

Answered
Why does it say Iteration limit reached and how do I fix it?
Its doing as defined in the code, when the iteration reached more than iteration limit, it reflects the message as mentioned wit...

15 Tage ago | 0

Answered
error occured during selection of random images
Beacuse length of F / fullfile total images is less than 10, check and verify

15 Tage ago | 0

Answered
What is correct script for below question?
here fplot x ranges -pi to pi f=@(x) x.^2-sin(x)+(1/x); fplot(f,[-pi pi]); Now get the f value with x_data=x=[0,1,pi/2,pi],...

15 Tage ago | 0

Answered
storing performance values for each monte-carlo simulations
Use array loop mean_difference(i)= end

17 Tage ago | 0

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Answered
Image Sharpness Calculation ?
my_image1 = my_image(:,:,1); sharpness=0; [r,c]=size(my_image1); for i=2:r-1 for j=2:j-1 L=(my_image1(i-1,j)+my_ima...

17 Tage ago | 0

Answered
Do the Inverse Fourier transform from frequency distribution
ifft Is it? ifft(FT_Erm)

17 Tage ago | 0

Answered
Error bars with zero standard deviation.
std_dev = [0 0.0295 0.0090 0.1239 0 0.5667 0.2855 0.0857]; %Lets suppose err=rand(1,8); idx=find(std_de...

etwa ein Monat ago | 0

Answered
What does this mean?
1.0e+04 means 1.0 x10 to the power +4 >> 1.0e+04 ans = 10000 >> This number is multiply with lower both number in y...

etwa ein Monat ago | 0

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Answered
How to scatter plot a row of matrix against it's row number?
data=rand(400,3000); for i=1:170 scatter(repelem(i,3000),data(i,:)); hold on end ??

etwa ein Monat ago | 0

| accepted

Answered
Plot using while loop
pi=8000; ri=28; rp=45; rp2=35; ro=80; r=[ri:0.01:ro]; n=1; while(r(n)<=rp2) pa=0; pb=pi; Sr(n)= ((pa*ri^2 - pb*rp^2)/(...

etwa ein Monat ago | 0

Answered
save new images in a folder
#Do change as per requirement. Images=dir('C:\input_path\folder_name\*.png'); % Create Folder outDirectory='C:\out_put_path\o...

etwa ein Monat ago | 1

| accepted

Answered
Printing loop(element wise multiplications) output
vr=40; u=0; S=12; P=4; m=5; q=1; V=700; f=50; Q=666666.666; Btooth=1.8; Biron=1.6; s=0.1; Kw=0.955; pf_n=0.35:0...

etwa ein Monat ago | 0

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Answered
How to measure the mean contrast of edge pixels?
image is a gray scale image. th=128; %considering unit8 image having range 0-255, you can decide or calculate data=image>=t...

etwa ein Monat ago | 0

Answered
Segmentation of Lungs from Chest X-Ray Images
>> whos sortedSolidity Name Size Bytes Class Attributes sortedSolidity 0x0 ...

etwa ein Monat ago | 0

Answered
error in for loop
if T_43 == 1 % Radiator V_H_WS = 0 if V_H_WS == 0 && FC_in < 0.5 f_pl = 0.588 ; elseif V_H_WS == 0 && F...

etwa ein Monat ago | 0

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Answered
Enhancing Image with Histogram Matching and Median Filter
I want to enhance the MRI image by histogram matching and median filter Histogram Matching: Are you considering with target im...

etwa ein Monat ago | 1

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Answered
Getting Spots in banana
rgbImage=imread('ban.jpeg'); subplot(121),imshow(rgbImage); grayImage=rgb2gray(rgbImage); [segment,blackSpots]=bwlabel(~im2bw...

etwa ein Monat ago | 0

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Answered
calculation of TP, FP,TN and FN for the dataset
For basic understanding, lets say seg_im is the segmented binary image as per ROI and gold_im is the gold data/ground truth imag...

etwa ein Monat ago | 0

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Answered
Calculating The Number of frames
https://in.mathworks.com/matlabcentral/answers/250033-number-of-frames-in-video-file-with-matlab-2015b

etwa ein Monat ago | 0

Answered
Filter noise in logical vector
Do Modification: Just Hint here (May Be) loop data_generation(i)=present_data; if present_data==1 tic while toc== end en...

etwa ein Monat ago | 0

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