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Electronic Conducting System

Electronic Conducting System. Kenzo Abrahams Supervisor: Mehrdad Ghaziasgar Co-supervisor: James Connan Assisted by: Diego Mushfieldt. Overview. Introduction High Level Design Implementation Testing and Results Demo References Questions and Answers. Introduction.

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Electronic Conducting System

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  1. Electronic Conducting System Kenzo Abrahams Supervisor: MehrdadGhaziasgar Co-supervisor: James Connan Assisted by: Diego Mushfieldt

  2. Overview • Introduction • High Level Design • Implementation • Testing and Results • Demo • References • Questions and Answers

  3. Introduction • Interactive Conducting System • Tracks hands using webcam • Real-time alterations depending on hand gestures • Change volume • Change tempo

  4. High Level Design • The solution can be broken up into 3 parts • Input • Image processing • Adjust music

  5. Implementation Detect face Extract Frames HSV Extract Hue component Region of interest

  6. Implementation Draw histogram Track both hands (change volume) Track right hand (control tempo)

  7. Testing and Results • Three tests were performed • Response Time Test • Performance Test • Robustness Test

  8. Response Time Test • Each gesture is played for 20 seconds

  9. Performance Testing • Each section of the algorithm was timed

  10. Robustness Test • 15 users of different ethnicity • Check number of times the system loses tracking

  11. Demo • Demo Overview • Track right hand • Change the tempo of music • Track left hand • Decrease volume of symphony • Increase volume of one ensemble • Show that all the gestures work

  12. References • O'Niel, D L. (2008). Music Theater Jobs. Available: http://www.ehow.com/list_6547349_music-theater-jobs.html. Last accessed 29th March 2012. • Bradski, G Kaehler, A. (2008). Getting to Know OpenCV. In: Loukides, M Learning OpenCV. United States of America: O’Reilly. p31-87. • Gibson, J. (2009). RTcmix Tutorial. Available: http://iub.edu/~emusic/509/rtcmixtut.htm. Last accessed 10th Sep 2012. • Nakra, T., Ivanov, Y., Smaragdis, P., Ault, C.: The USB Virtual Maestro: an Interactive Conducting System, p.250-255, NIME2009 (2009). • BORCHERS, J., HADJAKOS, A., AND M¨UHLH¨AUSER, M. MICON (2006) A music stand for interactive conducting. Proceedings of the 2006 conference on New interfaces for musical expression, p254–259. • Viola, P. Jones, M. (2001). Rapid Object Detection using a Boosted Cascade of Simple Features. Conference on computer vision and pattern matching 2001. • Lansky, A . (2005). An Open-Source, Digital Signal Processing and Sound Synthesis Language. Available: http://rtcmix.org/. Last accessed 27th May 2012. • Nokia. (2009). Qt. Available: http://qt.nokia.com/products. Last accessed 10th Sep 2012.

  13. Questions and Answers

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