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KALYAN ACHARJYA


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1,386 total contributions since 2017

#Image Processing
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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...

4 hours 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 ??

4 hours ago | 0

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)/(...

5 hours 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...

5 hours 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...

13 hours 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...

14 hours ago | 0

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

1 day 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...

1 day 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 day ago | 0

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

1 day ago | 0

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...

2 days 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

2 days 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...

2 days ago | 0

Answered
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...

3 days 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...

3 days 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

3 days 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...

3 days ago | 0

Answered
Segmentation of Lungs from Chest X-Ray Images
There is no best code for Segmentation of Lungs from Chest X-Ray Images. The code depends on datasets or simmilar data types. Th...

3 days ago | 0

Answered
bwlabel doesn't find a blob
Yes, total number of blobs in this image is 5 (in context of 8-connected objects) L=bwlabel(BW) returns the label matrix L that...

3 days ago | 0

Answered
Creating a matrix on matlab
format shortG d=0:0.5:12 Command Window: d = Columns 1 through 9 0 0.5 1 1.5 ...

3 days ago | 1

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Answered
How can I incrementally plot multiple Rectangles in a [X Y Width Height] field?
for i=1:10 PED_fld=[132+i 210-i 75 80] rectangle('position', PED_fld); %PED hold on; end

3 days ago | 1

Answered
How to solve simultaneous equation with identity
https://in.mathworks.com/help/symbolic/solve-a-system-of-linear-equations.html

3 days ago | 0

Answered
Extract 2D slice parallel to an arbitrary plane in 3D image.
I want to slice the 3D image with a slice parallel to this plane. Let suppose image3d is 3D image, which you want to slices ...

3 days ago | 0

Answered
Error when trying to create a loop for k-means
%Defined img= pixelLabels= k= for i = 1 : k maskID = strcat('mask', 1); clusterID = strcat('cluster', 1); ...

3 days ago | 0

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Answered
Indexing with two matrices
A=[1 4 20 3 5 15 2 1 24 7 9 42]; B=[3 4 15 7 1 42]; [r1,c1]=size(B); c=ze...

4 days ago | 0

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Answered
how can i draw a 3-D figure?
x=rand(1,121); y=rand(1,121); z=rand(1,121); plot3(x,y,z); grid on; More 3D plots, Documentation here

4 days ago | 1

Answered
Why does subplot size change with increasing number of plots
I dont think figures are changing, just scaling the figure window as per the screen size (please check the scaling of plot axes,...

5 days ago | 0

Answered
Plotting multiple matlab figures into a single subplot
Remove figure statement within the loop. clear all; clc; c=zeros(4,1); h=zeros(4,1); for i=1:4 h(i)=subplot(2,2,i); end ...

5 days ago | 0

Answered
Grid search for two data files and average of amplitude
v=200:02:1000; h=4:0.02:12; f=v./(4*h); writetable(table(f'),'f_matlab.txt'); Check the data

6 days ago | 0

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