Markov source model for printed music decoding

Gary E. Kopec; Philip A. Chou; David A. Maltz

doi:10.1117/12.205814

30 March 1995 Markov source model for printed music decoding

Gary E. Kopec, Philip A. Chou, David A. Maltz

Author Affiliations +

Proceedings Volume 2422, Document Recognition II; (1995) https://doi.org/10.1117/12.205814
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

Abstract

This paper describes a Markov source model for a simple subset of printed music notation. The model is based on the Adobe Sonata music symbol set and a message language of our own design. Chord imaging is the most complex part of the model. Much of the complexity follows from a rule of music typography that requires the noteheads for adjacent pitches to be placed on opposite sides of the chord stem. This rule leads to a proliferation of cases for other typographic details such as dot placement. We describe the language of message strings accepted by the model and discuss some of the imaging issues associated with various aspects of the message language. We also point out some aspects of music notation that appear problematic for a finite-state representation. Development of the model was greatly facilitated by the duality between image synthesis and image decoding. Although our ultimate objective was a music image model for use in decoding, most of the development proceeded by using the evolving model for image synthesis, since it is computationally far less costly to image a message than to decode an image.

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Gary E. Kopec, Philip A. Chou, and David A. Maltz "Markov source model for printed music decoding", Proc. SPIE 2422, Document Recognition II, (30 March 1995); https://doi.org/10.1117/12.205814

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