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KALYAN ACHARJYA


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1,399 total contributions since 2017

#Image Processing
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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...

2 hours ago | 0

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

9 days ago | 0

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

9 days 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...

9 days ago | 0

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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...

9 days ago | 0

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

12 days ago | 0

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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...

12 days ago | 0

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

12 days ago | 0

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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],...

12 days ago | 0

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

14 days ago | 0

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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...

14 days ago | 0

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

14 days ago | 0

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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...

27 days ago | 0

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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...

1 month 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 ??

1 month ago | 0

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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)/(...

1 month ago | 0

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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...

1 month ago | 1

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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...

1 month 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...

1 month ago | 0

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

1 month ago | 0

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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...

1 month 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...

1 month 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...

1 month 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...

1 month ago | 0

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

1 month 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...

1 month ago | 0

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help me in calculating
now i have to scan each row and find the pixel column number whose value is 1 and add the column numbers to find the mean distan...

1 month ago | 0

Answered
Contrast stretching diagram formula with imadjust function in matlab
Suppose you have input image, say input_image Do the some gray lebel operation, say the result is output_image; Here when appl...

1 month ago | 0

Answered
How can I save the total number of each selection from a listdlg using num2str?
xlabel(['Time (s)' ' foot-Spike: ',list{i}]) Here i is any number, not larger than length of list

1 month ago | 0

Answered
statistical features for each and every pixel in the image
"how to display features for each pixel in an image" As an invividual pixel, its having intensity value only, read the image, i...

1 month ago | 1

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