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Febin Benjamin


Pune University

37 total contributions since 2013

Professional Interests: Image Processing

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Question


Problem with my function
I have a fitness function as shown below. function z=sample_fit(r) Flag=0; while ~Flag //take inputs from user ...

6 years ago | 1 answer | 0

1

answer

Question


How can a create uitable with dynamic columns?
I want to allow user to enter the total number of columns and then when the user will click 'submit' button, below I will get a ...

6 years ago | 2 answers | 0

2

answers

Question


How can I find optimum solution using Genetic algorithm for this function?
function z=aggregate() ... ... ... ... TWT = positive_sum + negative_sum; [ y,m,d,h,mn,s] = datevec(positive...

6 years ago | 0 answers | 0

0

answers

Question


How can I jump from line 8 to line 2?
As there is no native 'goto' function in matlab plus the function provided in file exchange is not working, I am stuck here. I d...

6 years ago | 1 answer | 0

1

answer

Question


How can i remove this logical operator error?
Operands to the || and && operators must be convertible to logical scalar values. Error in parentProgram (line 2) if...

6 years ago | 1 answer | 0

1

answer

Question


How can i store the final point obtained from Optimtool into a variable?
I have worked out a final point in the optimtool using rastriginsfcn and now i want to store that final point into some variable...

6 years ago | 1 answer | 0

1

answer

Question


What are the various native fitness functions that can be called in GA Optimization Toolbox?
I have used @rastriginsfcn are there any other besides rastriginsfcn?

6 years ago | 1 answer | 0

1

answer

Question


How can I remove this File Handling error?
I am getting this Invalid File Identifier error. What am I doing wrong here? Error using fprintf Invalid file identifi...

6 years ago | 1 answer | 0

1

answer

Question


How to accept time from the user into a matrix?
I want to accept (say)3 time elements for example 8:30, 8:20 & 8:00 from user and store it in an array using 'datenum'. How can ...

6 years ago | 1 answer | 0

1

answer

Question


How to store multiple time data in a matrix?
I have to store three time entities i.e 8.30a.m, 8.00a.m and 8.20a.m in a single matrix using datenum. i tried doing this: ...

6 years ago | 1 answer | 0

1

answer

Question


A token of Appreciation
After constantly working hard for almost 7 months in MATLAB, I finally managed to complete my research project which would be so...

6 years ago | 1 answer | 2

1

answer

Question


How can I write this C code snippet in MATLAB?
for(j=0;j<n;j++) { for(i=0,k=j;i<=j && k<=j; i++) { printf("%d ", Mat[k][i]); ...

6 years ago | 0 answers | 0

0

answers

Question


How to write this C program in MATLAB?
#include<conio.h> #include<stdio.h> void main() { int i,j,k,l,m,r; int a[10][10]; int n=4; clrscr(); ...

7 years ago | 2 answers | 0

2

answers

Question


How to read elements of a matrix diagonally in MATLAB?
Suppose A is a 3X3 matrix A=[2,5,7; 3,0,1; 9,17,23] I want to read the elements in this fashion. 2 5 3 9 0 7 1...

7 years ago | 1 answer | 0

1

answer

Question


How to write a video and audio signal together into a file?
I have to read audio and video signals from a file and write it back to a new file.

7 years ago | 1 answer | 0

1

answer

Question


How to make a video in which every alternate frame is gray?
I have extracted frames from a video(e.g. Rhino.avi). Now I have to convert the alternate images among the extracted frames to g...

7 years ago | 1 answer | 0

1

answer

Question


What's the problem in my loop?
A=imread('cameraman.tif'); B=zeros(255,255); for j=0:255 for k=0:255 B(j,k)=A(j,k+1)-A(j,k-1); ...

7 years ago | 2 answers | 0

2

answers

Question


How to read a string character by character?
I have a file name as CCTV03x456x1658.avi. And i want to read only 'CCTV03x456x1658' before the '.avi' and exclude the '.avi pa...

7 years ago | 1 answer | 0

1

answer

Question


How to delete a frame after use?
My program reads a video from a directory and extracts frames from it and stores it in an output directory. Now, after I have do...

7 years ago | 1 answer | 0

1

answer

Question


How is audio data stored in matlab?
is it stored in simple arrays or multidimensional arrays?

7 years ago | 1 answer | 0

1

answer

Question


How is audio data displayed?
I have extracted an audio signal from a video now how do i see the contents of audio signal?

7 years ago | 1 answer | 0

1

answer

Question


How to write images to video?
I have images in a directory. All the images in this directory have random name. Now i want to write these image sequences into...

7 years ago | 2 answers | 0

2

answers

Question


How to create a folder under program generated folder name?
One module of my project auto-generates the folder name but I am not able to create folder under that auto generated name. mkdir...

7 years ago | 1 answer | 0

1

answer

Question


Exporting data to excel sheet
I have extracted some frames from a video.... Now i want to export these images(in matrix form) to excel spreadsheet..... Hw can...

7 years ago | 1 answer | 0

1

answer

Question


What does this error mean?
??? Error using ==> mmreader.read at 80 INDEX must be a numeric scalar or 1x2 vector. Error in ==> ImageStore at 49 ...

7 years ago | 1 answer | 0

1

answer

Question


Error in my code.....
FebEuclid is a function which is calling another function- Histo.m inside it. But its showing the below mentioned error. ...

7 years ago | 3 answers | 0

3

answers

Answered
calling Matlab executable that returns array from VBA
Check this out... <faculty.chicagobooth.edu/kipp.martin/root/.../matlabvbaSummary.pdf‎>

7 years ago | 0

Answered
which document describe about generating c code from simscape model?
Check this out... <www.mathworks.in/products/datasheets/pdf/simscape.pdf‎> <http://www.kxcad.net/cae_MATLAB/toolbox/physmod/...

7 years ago | 0

Answered
Best way to normalize data to Matlab
Depends on how you define 'best normalization'.... there are many... What's yours?

7 years ago | 0

Answered
Is there a good way of detecting memory leaks in a mex file?
check this link... may be you'l find something.... <http://help.mworks-project.org/discussions/problems/53-memory-leak-in-mex-f...

7 years ago | 0

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