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KALYAN ACHARJYA


573 total contributions since 2013

#Freelancer (Part-Time)
#Image Processing
#Alma-mater Tezpur University India

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Answered
Any learning materials to practice vectorization ?
If you regularly practice, you would learn more. I dont think, there may any specific materials, where you can get all trick to ...

environ 16 heures ago | 1

Answered
Uploading multiple matfiles from same folder.
Make folder as currnt working directory list=dir('*.mat'); for j=1:length(list) matfile=load(list(j).name); % do operation...

environ 21 heures ago | 0

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Undefined function or variable "C".Error in line
I didnot find the same error, in my case the error is expected that I dont have PB_VLE_Wilson function file. P = 15000...

environ 22 heures ago | 0

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to print following pattern
Today I lerned this polyval function, thats why I have posted 2nd answer, although the correct answer already given by @Rik for...

environ 22 heures ago | 1

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How can I do the next iteration?
But how can I repeat the whole process again? I mean with the new value of Mmax and Mmin. clc; n= any number (how many times y...

environ 22 heures ago | 0

Answered
Index exceeds matrix dimensions (how to fix it )
In this case >> whos BER Name Size Bytes Class Attributes BER 1x16 128 double...

environ 23 heures ago | 1

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Answered
Naming array with for loop
Better to go for M{1},M{2}.....as a cell array, here M{1}, M{2} are arrays having any size M=cell(1,n) for i=1:n M{i}=.... e...

environ 23 heures ago | 1

Answered
'Number of channels in input image must be 3' error when trying to train in YOLO v2
I am gussing from thr error- 'Number of channels in input image must be 3' & "I am trying to apply YOLO v2 in my dataset to t...

environ 23 heures ago | 0

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Answered
how can i find mean of a plotted graph?
disp(mean(y));

environ 23 heures ago | 0

Answered
Find Borders and their Indices
so the first and the last zero idx_1st0=find(A==0,1,'first'); idx_Last0=find(A==0,1,'last')

2 jours ago | 0

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How to convert as single image from two image?
Those images having same height (rows), image1 and image2 result=[image1,image2]; Those images having same widths (columns), i...

4 jours ago | 0

Answered
interp2 changes the value of pixels also
Yes, those are the interpolated values. You have the image having pixels values are 0, 1 , 2 , 3, when you interpolated new pix...

4 jours ago | 0

Answered
Changing plot colors directly in .fig files
Click on cursor sign in figure window Click on plot curve, which you want to change the color Right Click Color Choose Colo...

4 jours ago | 0

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Answered
Index in position 1 is invalid. Array indices must be positive integers or logical values.
( IF(i+1,j)<0 || IF(i-1,j)<0 || IF(i,j+1)<0 || IF(i,j-1)<0 || IF(i-1, j-1)<0 || IF(i-1, j+1)<0 || %......^.............^.........

4 jours ago | 0

Answered
why is my code not working?
i= linspace(0.0001,0.0009,1000) %.................^ ...........^............ Array indices must be non zero positive integer ...

4 jours ago | 0

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Answered
Removing space between the axis
yticks([0 1 2 3 4 5]); More detail read here

4 jours ago | 0

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Answered
Converting mean(mean(image)) of image into c
im=imread('iamge_file_name.jpg'); grayImage=rgb2gray(image1); result=mean(grayImage); C Code Generation from MATLAB check her...

4 jours ago | 0

Answered
Indexing error using sum
signal(i-n:i+n,:) %.......^ here is the issue When you run the code n=3 initial and k=2; When you assigned i=k:... that menas...

4 jours ago | 1

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Answered
Finding the cross correlation coefficient between consecutive images
% Make sure that all images are in same working directory (current directory) % Rename as sequential order im1,im2 etc list=di...

5 jours ago | 0

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Answered
Convert equations to MATLAB code
Last two equations are already in Matlab form, may be just required (.) dot in equation 3 depending on type of variable (if any ...

5 jours ago | 0

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How to Add Image Classes?
May be you are confusing with logical indexing, there is nothing related to classification of images lets say Total_Images=8, t...

5 jours ago | 0

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hi i used the following code to crop an image and i got the answer, but i want to apply this to a large dataset of masks and save the results to another folder. How do i do this?
clc; clear all; close all; format short g; format compact; fontSize = 25 % Make sure that all images are in same working d...

5 jours ago | 0

Answered
Error when defining variable with if statement and add to table
First Issue: a=[1,2]; b=[2,6,10]; l=[1:20:100]; [a,b,l]=ndgrid(a,b,l); a=a(:); b=b(:); l=l(:); disp=([a,b,l]) if (b==2)...

15 jours ago | 0

Answered
Some Error in code
However, when I changed r>1, I got some problems: I assumed r=1.5 and its OK, I didnot get any coding errror

15 jours ago | 1

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How to define number of cells of an image to extract HOG features?
One Way: If you do the imrezise before apply the Hog features, its return the features having same length, As below example, he...

15 jours ago | 0

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Answered
How do I find the element address in an array involved in a loop by applying conditions?
As your code seems mess to me, althoght I have given the answer you asked for. when T array, Tth 125 element equal to 25, if co...

16 jours ago | 0

Answered
remove the edges present outside the circle
Is this one you are looking for? This bwareafilt extract objects from binary image by size. Here assuming that the circle size ...

17 jours ago | 0

Answered
What is the Maximum PSNR and SSIM values for HR images ?
Based on my basic undestanding, to calculate the PSNR and SSIM, you require of two images- First Image 1, which is orginal degr...

17 jours ago | 0

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Answered
if else if else statement
If you use the multiple ifelse with comma, as mentioned below, is there any issue? Detail read here

17 jours ago | 0

Answered
Matrix into Sub matrix of length 8
Silmilar question answer is here, in your case minor modification is required. Here it is A=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

18 jours ago | 0

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