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Keyboard Geometry Extractor
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This module identifies the coordinates of
the polygons which outline the keys of a musical instrument keyboard.
This is achieved via a combination of prior knowledge about the
geometrical characteristics of the keys on a musical keyboard (with said
prior knowledge being hardcoded in the image parser algorithm), together
with a complex series of image filtering and filter results
post-processing.
Succession of steps during keyboard image processing
Examples of keyboard geometry extraction outputs