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TI Home » TI E2E Community » Support Forums » Digital Signal Processors (DSP) » DaVinci™ Video Processors » DM64x DaVinci Video Processor Forum » Lucas Kanade optic flow
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Lucas Kanade optic flow

Lucas Kanade optic flow

This question is not answered
Vestaproman
Posted by Vestaproman
on Nov 26 2010 09:24 AM
Prodigy190 points

Hello every one,

I have got a question about how to use the "VLIB_trackFeaturesLucasKanade_7x7" function.

I have two successive images of 160 x 160 pixels from a video camera.

I detect the good features to track using VLIB function : "VLIB_harrisScore_7x7"

That work fine.

But after I want to track the points using the Lucas-Kanade method and I same results in outx and x, and outy and y.

But when I try with OPENCV on PC computer I use the Harris VLIB function for corner detection and Lucas-Kanade OPENCV function that work fine.

In the OPENCV function, they use a pyramid image.

Did anyone has an idea how to use correctly the "VLIB_trackFeaturesLucasKanade_7x7" function

Thanks a lot

Jérôme

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Nov 30 2010 04:34 AM
    Intellectual1450 points

     

    Hello Jérôme,

    Please provide your email id.

    I will share an example demo code for Lucas Kanade function.

    Regards,

    Senthil


    Regards,

    Senthil

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  • Vestaproman
    Posted by Vestaproman
    on Nov 30 2010 04:55 AM
    Prodigy190 points

    Thanks senthil,

    Great,

    Here my email adress vestaproman(at)gmail(dot)com

    Thanks a lot

    Jérôme

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  • Igor
    Posted by Igor
    on Feb 03 2011 18:56 PM
    Intellectual630 points

    Dear Senthil!

    I have the same question. Please send me demo code for Lucas Kanade function too. My email:  ir@nfosecur.ru.  

    Thank you. 

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Feb 08 2011 00:08 AM
    Intellectual1450 points

     

    Igor,

    I sent you the demo project.

    But I think it bounced back because of security settings of your mail server.

    Could you provide an alternate email id?

    Regards,

    Senthil

    Regards,

    Senthil

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  • Igor
    Posted by Igor
    on Feb 08 2011 06:39 AM
    Intellectual630 points

    Senthil,

    ars-mob(at)mail(dot)ru

    Thank you very much.

    Igor.

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  • chrigima
    Posted by chrigima
    on May 30 2011 06:48 AM
    Prodigy120 points

    Hey Senthil


    Same problem here. Would be great if you could send me a demo :)

    marty(at)gmx(dot)ch

    thanks a lot!

    hitsch

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Jun 07 2011 12:17 PM
    Intellectual1450 points

     

    Hitsch,

    I sent you the demo project.

    Please let me know if it is useful for you.

    Regards,

    Senthil

    Regards,

    Senthil

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  • weber de souza calixto
    Posted by weber de souza calixto
    on Aug 04 2011 08:48 AM
    Expert1070 points

    Hi Mr. Kumar,

    Could you please send to my email weber@pumatronix.com.br the VLIB's Lucas-Kanade demo code?

    Thank you very much.

    Weber de Souza Calixto

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Aug 06 2011 07:57 AM
    Intellectual1450 points

     

    Hello Weber,

    I emailed you the project.
    Please let me know if it is useful.

    Regards,

    Senthil

    Regards,

    Senthil

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  • Mohammed Suhayil
    Posted by Mohammed Suhayil
    on Aug 07 2011 01:58 AM
    Prodigy70 points

    hi Senthil,

     

    I'm also trying to implement Lucas Kanade, can you please send me the example. my email id is mohammedsuhayil at gmail dot  com

     

    Thanks and Regards,

    Suhayil.

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Aug 09 2011 05:16 AM
    Intellectual1450 points

     

    Hello Suhayil,

    I emailed you the project and please let me know if you haven't received the same.
    Please give your feedback as well.

    Regards,

    Senthil

    Regards,

    Senthil

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  • 1498942
    Posted by 1498942
    on Oct 17 2011 19:46 PM
    Prodigy10 points

    Hello Senthil,

    Please send me the same example project. My email is eliot (at) lightcrafttech.com.

    -Eliot

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Oct 20 2011 08:50 AM
    Intellectual1450 points

     

    Eliot,

    I sent you the example project.

    Please let me know if it is useful and provide your feedback.

    Regards,

    Senthil

    Regards,

    Senthil

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  • youngil sohn
    Posted by youngil sohn
    on Nov 09 2011 18:16 PM
    Prodigy10 points

     

    Dear Senthil,

     

    Could you please send me the example project?

    I have the same problem in building optical flow tracking using VLIB_trackFeaturesLucasKanade_7x7 function.

     

    My e-mail address is as follows;

    sonyi at chollian.net

    sonyi at iae.re.kr

     

    I am currently using dm6467t-based EVM board and VLIB2.1.

     

    Regards,

    Youngil Sohn

     

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  • Senthil Kumar Yogamani
    Posted by Senthil Kumar Yogamani
    on Nov 10 2011 07:13 AM
    Intellectual1450 points

     

    Hello Youngil Sohn,


    I shared the example project via email.

    Please let me know if you have any questions.


    Regards,

    Senthil

    Regards,

    Senthil

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