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Music image processing

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  1. Music image processing Tim Bell Department of Computer Science and Software Engineering University of Canterbury, Christchurch, New Zealand

  2. With… • David Bainbridge (Waikato) • Richard Lobb • Dave Blizzard (Portland, OR) • Richard Green • John McPherson • Karen Lin • Annabel Church • Simon Glass

  3. Overview • OMR • Digital music stand • Page turning and image size • Fast capture of music • Music classification

  4. The vision... • All music available on the web • as score, recording and MIDI • search by name, composer, lyrics, phrase, similarity, genre, novelty… • remunerate those responsible • culturally sensitive access

  5. Barlow and Morgenstern 1949

  6. Barlow and Morgenstern 1949

  7. Barlow and Morgenstern 1949

  8. Activities with music • Composing • Arranging • Performance • Teaching • Musicology • Recording • Accompanying • Transcribing...

  9. Digital music problems • Cost of hardware and software • Viewing music on small screen • Loss of inspiration and creativity • Loss of efficiency • Learning curve • Software compatibility

  10. Problems with paper • Pen or pencil? • Indexed retrieval

  11. Visual display Digital image Human memory Digital semantic Audio

  12. Visual display Digital image memorised oral tradition original ideas Human memory Digital semantic Audio

  13. Visual display Digital image Human memory live performance mp3, wav, cd video? Digital semantic Audio

  14. Visual display Digital image sheet music screen Human memory Digital semantic Audio

  15. Visual display Digital image sheet music screen Human memory Digital semantic Audio

  16. Visual display Digital image sheet music screen Human memory Digital semantic Audio

  17. Visual display Digital image sheet music screen Human memory Digital semantic Audio

  18. Visual display Digital image sheet music screen Human memory Digital semantic Audio

  19. Visual display Digital image D (lick #1) Dmin#5 Look at me now, will I ever learn? D (lick #2) Dmin#5 G I don’t know how but I suddenly lose control. sheet music screen Human memory Digital semantic Audio

  20. Visual display Digital image Live performance Human memory Digital semantic Audio

  21. Visual display read Digital image Live performance Human memory Digital semantic Audio

  22. Visual display Digital image Live performance Human memory play (interpret) Digital semantic Audio

  23. Visual display Digital image Transcription Human memory Digital semantic Audio

  24. Visual display Digital image Transcription Human memory listen Digital semantic Audio

  25. Visual display Digital image write Transcription Human memory Digital semantic Audio

  26. Visual display Digital image BMP, GIF, JPEG Human memory Digital semantic Audio

  27. Visual display Digital image scanner, camera Human memory Digital semantic Audio

  28. Visual display Digital image print, display Human memory Digital semantic Audio

  29. Visual display Digital image Human memory MIDI NIFF MUSICXML GUIDO Digital semantic Audio

  30. Visual display Digital image Render (Sibelius, Lime, Guido, Tex etc.) Human memory Digital semantic Audio

  31. Visual display Digital image OMR Human memory Digital semantic Audio

  32. Visual display Digital image Human memory Synthesis (audio rendering) Digital semantic Audio

  33. Visual display Digital image Human memory Audio analysis (monophonic, polyphonic) Digital semantic Audio

  34. Visual display Data entry Digital image Human memory Digital semantic Audio

  35. Visual display Digital image Weak links Human memory Digital semantic Audio

  36. Visual display Digital image Labour intensive links Human memory Digital semantic Audio

  37. Visual display Digital image Human memory Digital semantic Audio

  38. Visual display Digital image QBH Human memory Digital semantic Audio

  39. Operations on music

  40. Visual display Digital image Compose Arrange/orchestrate Rehearse React Human memory Digital semantic Audio

  41. Visual display Digital image Library (personal, shared) Music stand (rehearse, perform) Human memory Digital semantic Audio

  42. Visual display Digital image Intermediate form Archive Human memory Digital semantic Audio

  43. Visual display Suitable for: transposition part splitting reduction searching theme detection accompaniment performance following Digital image Human memory Digital semantic Audio

  44. Visual display Digital image listening recording studio analysis thumbnail backing Human memory Digital semantic Audio

  45. Optical Music Recognition

  46. Wabot-2 • 1980-1984 • Read simple score • Heavy processing requirements

  47. Staff line removal/identification • Horizontal projection • Vertical slices • Wobble/track • Chords • Template