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Granular computing as an abstraction of data aggragation - a view on optical music recognition

Homenda W.

Archives of Control Sciences

2002

Vol. 12, no. 4

433-455

In the paper optical music recognition (OMR) is considered as an example of paper-to-compute-memory data flow. This specific area of interest forces specific methods to be applied in data processing, but in principle, gives a perspective on the merit of the subject of data aggregation. The process of paper-to-computer-memory music data flow is presented from the perspective of the process of acquiring information from plain low-level data. The discussion outlines an interpretation of this process as a metaphor of granular computing. The stages of data aggregation and data abstraction are shown as steps leading to the formation of knowledge granules and to recovering dependencies between knowledge granules and between the information included in knowledge granules. An influence of the granular world of music notation on the design of a computer program is presented. the presentation is related to a real computer program of music notation recognition and music knowledge representation and processing. The relationship between the granular structure of music knowledge and user interface of the program is outlined.