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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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Presentation Transcript
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