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DartPi Automatic Dart Score Detection using Raspberry Pi. Christian Hirsch. Content. Motivation Development Environment Approach/Progress Problems Videos. Motivation. „Analog“ dart is cooler Darts can hurt You see that you‘ve played Manual counting is annoying

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Dartpi automatic dart score detection using raspberry pi

DartPiAutomatic Dart Score Detection using Raspberry Pi

Christian Hirsch


Content
Content

  • Motivation

  • Development Environment

  • Approach/Progress

  • Problems

  • Videos

DartPi – Automatic Dart Score Detection


Motivation
Motivation

  • „Analog“ dart is cooler

    • Darts can hurt

    • You see that you‘ve played

  • Manual counting is annoying

  • A PC or notebook is too big/expensive

  • Raspberry Pi is the solution

DartPi – Automatic Dart Score Detection


Development environment
Development Environment

  • For Testing:

    • Open CV 2.4.3, C++

    • Microsoft Visual Studio 2010

    • Videos

  • Final version

    • RaspberryPi, Raspbian

    • OpenCV 2.3.?, g++, make

    • „analog“ Dartboard + 2 Webcams

DartPi – Automatic Dart Score Detection


Approach progress
Approach/Progress

  • Detect dartboard + markings

  • Detect darts

  • Check whether someone shot a dart or player changed

  • Equip dartboard with webcams

  • Compile the program on Raspbian

  • Count the dart-score

  • Create a userinterface (?)

  • Handle user interactions

DartPi – Automatic Dart Score Detection



Would be nice but
Would be nice but …

DartPi – Automatic Dart Score Detection


Not possible
… not possible

DartPi – Automatic Dart Score Detection


Possible
Possible …

your title


Possible1
Possible …

DartPi – Automatic Dart Score Detection


Dart detection process
Dart Detection - Process

  • Initialize background model

    • for each camera

  • Check if something changes

    • small changes in short time -> dart

    • big changes, long time -> change

    • anyting else -> error

  • Get dartboard + dart contours

    • calculate position

    • calculate points

  • Return points

DartPi – Automatic Dart Score Detection



Real problems
Real Problems

  • GLS

  • Webcams

    • no wideangle

  • Raspberry Pi performance

    • Image resolution of 320x240 px used

    • Errors

  • Maybe one webcam does not work correctly

DartPi – Automatic Dart Score Detection



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