顔検出技術の動向ime.info.hiroshima-cu.ac.jp/~hiura/lec/ime/04.pdfhaar 基底特徴 !...

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  • l

    l l l

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    ll eigenface : l Viola-Jones

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  • Viola-Jones

  • Haar

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    l Viola-Jones

    lAdaBoost

    -

  • Integral Image

    l (x,y)

    ll 4-3-2+1

    l (A+B+C+D) (A+C) (A+B) + A = D

  • AdaBoost

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    l l

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  • Slide Set 12: Face Detection/Viola-Jones 6 CS 175, Fall 2007: Professor Padhraic Smyth

    Boosting Example

  • Slide Set 12: Face Detection/Viola-Jones 7 CS 175, Fall 2007: Professor Padhraic Smyth

    First classifier

  • Slide Set 12: Face Detection/Viola-Jones 8 CS 175, Fall 2007: Professor Padhraic Smyth

    First 2 classifiers

  • Slide Set 12: Face Detection/Viola-Jones 9 CS 175, Fall 2007: Professor Padhraic Smyth

    First 3 classifiers

  • Slide Set 12: Face Detection/Viola-Jones 10 CS 175, Fall 2007: Professor Padhraic Smyth

    Final Classifier learned by Boosting

  • Viola-Jones l

    l l 160,000

    ll 32l

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    l OKAO Visionl l l Apple (iPhoto)

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    lViola-Jones

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