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Aroh Barjatya

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03 Nov 2005 One Dimensional Finite Difference Time Domain A function to calculate 1D FDTD, and two test scripts. One test script includes a test ... Author: Aroh Barjatya 1d, script, cartesian, finite difference tim..., test, fdtd 58 0
  • 4.0
4.0 | 5 ratings
20 Oct 2005 Block Matching Algorithms for Motion Estimation Review of various block matching algorithms used for motion estimation in MPEG coding. Author: Aroh Barjatya block matching, block based motion es..., example, mpeg, tutorial, motion estimation 287 44
  • 4.2093
4.2 | 44 ratings
20 Oct 2005 Binary Search Binary search of values in a data vector. Author: Aroh Barjatya data, values, binary search, utilities 68 10
  • 4.2
4.2 | 5 ratings
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11 Sep 2009 Binary Search Binary search of values in a data vector. Author: Aroh Barjatya gromi

I use it frequently and it works fine. Thanks
1 thing to mention - the following sentence

'If the values in 'var' are outside the range of 'x' then either 1 or length(x) are returned as indices for those values.'

is not included in M-file help text (first few lines description). So if you download this function, do not use it for some time and forget about this then you may be surprised using it and getting many ones or 'x' lengths. Reading M-file description does not help in this case. You have to analyze code or go to the website.
This is a minor thing, of course.
30 Aug 2009 Block Matching Algorithms for Motion Estimation Review of various block matching algorithms used for motion estimation in MPEG coding. Author: Aroh Barjatya santhi

can any one help me to run this file

27 Aug 2009 Binary Search Binary search of values in a data vector. Author: Aroh Barjatya C. Chaya

12 May 2009 Block Matching Algorithms for Motion Estimation Review of various block matching algorithms used for motion estimation in MPEG coding. Author: Aroh Barjatya Khan, Dr. Murtaza

The program my give incorrect results. For example in TSS method motionEstTSS.m. The following function call will give wrong results:
 costs(2,2) = costFuncMAD(imgP(i:i+mbSize-1,j:j+mbSize-1), ...
                    imgI(i:i+mbSize-1,j:j+mbSize-1),mbSize);
Because for video data pixel values are of type integer (0-255) i.e. imgP and imgI of type uint8. Therefore, first use casting to double then call this method.

e.g. a correct and more readable code would be

 currentBlk=imgP(i:i+mbSize-1,j:j+mbSize-1);
 refBlk=imgI(refBlkVer:refBlkVer+mbSize-1, refBlkHor:refBlkHor+mbSize-1);
                    thisCost=costFuncMAD(double(currentBlk),double(refBlk), mbSize);
  costs(costRow, costCol ) = thisCost;

15 Apr 2009 Binary Search Binary search of values in a data vector. Author: Aroh Barjatya Julio

Hi
The error prevention in the beginning is rejecting the (1x1, 1x1) case. To make it work in this case one can simply add an equal ('=') sign to line 20 and it will be as below:

elseif x(1) <= x(xLen) % means x is in ascending order

Thnks
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1d, binary search, block matching, cartesian, data
Files Tagged by Aroh View all
  • 1 - 3 of
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Updated   File Tags Downloads
(last 30 days) 		Comments Rating
03 Nov 2005 One Dimensional Finite Difference Time Domain A function to calculate 1D FDTD, and two test scripts. One test script includes a test ... Author: Aroh Barjatya 1d, script, cartesian, finite difference tim..., test, fdtd 58 0
  • 4.0
4.0 | 5 ratings
20 Oct 2005 Block Matching Algorithms for Motion Estimation Review of various block matching algorithms used for motion estimation in MPEG coding. Author: Aroh Barjatya block matching, block based motion es..., example, mpeg, tutorial, motion estimation 287 44
  • 4.2093
4.2 | 44 ratings
20 Oct 2005 Binary Search Binary search of values in a data vector. Author: Aroh Barjatya data, values, binary search, utilities 68 10
  • 4.2
4.2 | 5 ratings
 

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