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Horn-Schunck Optical Flow Method

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Horn-Schunck Optical Flow Method

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22 Jan 2009 (Updated )

An implementaion of the very classical optical flow method of Horn & Schunck.

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An implementaion of the very classical optical flow method of Horn & Schunck according to their paper:

 Horn, B.K.P., and Schunck, B.G., Determining Optical Flow, AI(17), No. 1-3, August 1981, pp. 185-203
http://dspace.mit.edu/handle/1721.1/6337

MATLAB release MATLAB 7.4 (R2007a)
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Comments and Ratings (18)
03 Mar 2014 Amin

very good job

25 Feb 2014 Twain

What type of velocity are these vectors representing on the image? Are they pixel velocities? If so, how do I go about averaging them and converting these values to something useful such as speed?

23 Dec 2013 taha  
11 Oct 2013 hai zha  
18 Feb 2013 Bek Yun

Good job!

20 Jun 2012 Andy

Thanks

23 Apr 2012 Chen yuan

thanks for sharing!

10 Mar 2012 Imad moi  
29 Dec 2011 Yuan-min

Thank you

10 Nov 2011 Tr?n H?u

Hi Kharbat!
Uhm, Thanks for your code Sharing. I would like convert 2D video into 3D video by using optical flow. How can i use those optical flows in order to convert into depth map?

27 Oct 2011 Dacheng Huang

May I have a look?Ha Ha

07 Jul 2011 Atif Anwer  
09 Jun 2011 amir yavari

Hi. Thanks for your nice code. Can you explain How did you find [-1 1; -1 1],... in computeDerivates.m file? thanks

04 May 2011 Matthew  
04 May 2011 Matthew

Are you sure that the derivatives in the computeDerivates.m file are correct? Matlab stores images with the y-axis in the first dimension and the x-axis in the second, so I think that fx and fy might be the wrong way around...

30 Mar 2011 saripah zura

how can i change the optical flow from pixel by pixel to 16x16?

29 Apr 2010 David  
09 Jun 2009 Andre Cohen  
Updates
23 Jan 2009

Now includes the computeDerivatives function.

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