Recognition and reconstruction of primitives in music scores

K. C. Ng, R. D. Boyle

Research output: Contribution to journalArticlepeer-review


Music recognition bears similarities and differences to OCR. In this paper we identify some of the problems peculiar to musical scores, and propose an approach which succeeds in a wide range of non-trivial cases. The composer customarily proceeds by writing notes, then stems, beams, ties and slurs - we have inverted this approach by segmenting and then subsegmenting scores to recapture the component parts of symbols. In this paper, we concentrate on the strategy of recognizing sub-segmented primitives, and the reassembly process which reconstructs low level graphical primitives back to musical symbols. The sub-segmentation process proves to be worthwhile, since many primitives complement each other and high level musical theory can be employed to enhance the recognition process.

Original languageEnglish
Pages (from-to)39-46
Number of pages8
JournalImage and Vision Computing
Issue number1
Publication statusPublished - Feb 1996
Externally publishedYes


  • Document analysis
  • OCR
  • Score recognition


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