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    Need C6678 Optimized Image Segmentation/Region Labeling algorithm

    Need C6678 Optimized Image Segmentation/Region Labeling algorithm

    This question is not answered
    BrandyJ
    Posted by
    on Apr 09 2012 13:21 PM
    Genius4370 points

    Hello,

    I currently have an application that takes 70ms to complete region labeling.  This is too long for my application.  The region is 1280x1280 and contains groups of zeros and ones.  I need to segment out the groups of ones into individually numbered groups. 

    I am told this is a very basic image processing skill, does TI have an optimized library to do this?  I looked through the TI image processing library and did not see anything.

    Please advise.

    Thanks,
    Brandy

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    • BrandyJ
      Posted by
      on Apr 17 2012 15:46 PM
      Genius4370 points

      Hello?  Is there any response for this question?

      Report Abuse
    • CharlieF
      Posted by
      on Apr 17 2012 16:48 PM
      Intellectual1535 points

      Hi Brandy,

      TI offers a Video Analytics & Vision Library (VLIB) that supports connected components labelling for C6000 cores.  I don't believe this has been optimized for C66x, but the estimated cycles for this (set of) operations is:

      cycles  ~  1280 * 1280 * 15 < 3ms on 1GHz device  (C6678)

      Note:  The above estimate is based on worst-case estimates for real use cases.  The algorithm is highly data-dependent and your results may be higher.

      The VLIB library is offered royalty-free though it must be requested, and the request reviewed, before download.  The link below should get you started.

      http://processors.wiki.ti.com/index.php/Software_libraries#Video_Analytics_.26_Vision_Library_.28VLIB.29

      Let me know if you have any further questions.

      Regards,
      Charlie


       

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