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Drum set score identification method and system based on image segmentation and template matching

A template matching and image segmentation technology, applied in the field of musical score recognition, can solve problems such as lack of image information in drum musical scores, and achieve the effect of ensuring information integrity and improving accuracy

Pending Publication Date: 2022-03-22
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] From the above content, we can see that the traditional method needs to continuously delete images to complete the recognition of the drum set, resulting in the loss of image information of the drum set

Method used

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  • Drum set score identification method and system based on image segmentation and template matching
  • Drum set score identification method and system based on image segmentation and template matching
  • Drum set score identification method and system based on image segmentation and template matching

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Embodiment Construction

[0040] For the technical solutions in the embodiments of the present application, the general idea is as follows: select each note on the clef by column cutting and frame selection to obtain several note pictures, and match the note pictures and the pre-created note template pictures through the OpenCV template matching algorithm to match the notes Image recognition does not need to delete the image to complete the recognition of the drum score, and by setting the threshold value of OpenCV template matching, the problem of overlapping note recognition can be effectively overcome, so as to achieve accurate recognition under the premise of ensuring the integrity of the image information of the drum score. Drum kit.

[0041] Please refer to Figure 1 to Figure 3 As shown in the present invention, a preferred embodiment of a method for recognizing a drum score based on image segmentation and template matching includes the following steps:

[0042] Step S10, obtaining a drum set f...

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Abstract

The invention provides a drum set music score recognition method and system based on image segmentation and template matching in the technical field of music score recognition, and the method comprises the following steps: S10, obtaining a drum set music score file, converting the drum set music score file into a drum set music score picture, and carrying out the preprocessing of the drum set music score picture; step S20, identifying spectral lines in the preprocessed drum set music score picture; step S30, frame-selecting each note on the score line based on column cutting to obtain a plurality of note pictures; and step S40, creating a plurality of note template pictures, and matching the note pictures and the note template pictures through an OpenCV template matching algorithm so as to identify the note pictures. The drum set score recognition method has the advantages that the drum set score is accurately recognized on the premise that the drum set score image information integrity is guaranteed.

Description

technical field [0001] The invention relates to the technical field of musical score recognition, in particular to a method and system for identifying drum scores based on image segmentation and template matching. Background technique [0002] Sheet music is a method of recording music with symbols. For beginners in music, how to read sheet music is very important. If you can't master sheet music, you can't play beautiful music. The needs of teaching are similar to the recognition of English words by English point readers. [0003] For the identification of drum scores (musical scores of drums), traditionally, the binary method is used for identification, that is, the drum score image is converted into a binary image, and the cross-correlation function is used to correct the level of each area of ​​the binary image to obtain the level image, and then locate the spectral line on the horizontal image, and delete the spectral line to obtain the image with the deleted spectral ...

Claims

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Application Information

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IPC IPC(8): G06V10/75G06V10/46G06V10/30G06V10/26G06K9/62G06N20/00
CPCG06N20/00
Inventor 姚俊峰丛士博陈倩
Owner XIAMEN UNIV