Chord information extraction device, chord information extraction method and non-transitory computer readable medium storing chord information extraction program
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United States of America
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Apr 19, 2022
Grant Date -
Jun 25, 2020
app pub date -
Mar 3, 2020
filing date -
Mar 3, 2020
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Abstract
A chord information extraction device includes an acquirer, a score type determiner, an extraction region determiner and a chord information extractor. The acquirer acquires score image data representing a reference score. The score type determiner determines a score type of the reference score from among a plurality of predetermined score types based on the acquired score image data. The extraction region determiner determines a chord extraction region in the reference score based on extraction region information that defines a relationship between a plurality of score types and a chord extraction region from which chord information is to be extracted. The chord information extractor extracts the chord information from the acquired score image data based on the determined chord extraction region.
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