Improved Lexicon-driven based Chord Symbol Recognition in Musical Images

Dinh, Cong Minh; Ngoc, L T T; Yang, Hyung-Jeong; Kim, Soo-Hyung; Lee, Guee-Sang

doi:10.5392/ijoc.2016.12.4.053

International Journal of Contents

2016

DOI: 10.5392/ijoc.2016.12.4.053

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Improved Lexicon-driven based Chord Symbol Recognition in Musical Images

Cong Minh Dinh¹,

L T T Ngoc²,

Hyung-Jeong Yang³

et al.

Abstract: Although extensively developed, optical music recognition systems have mostly focused on musical symbols (notes, rests, etc.), while disregarding the chord symbols. The process becomes difficult when the images are distorted or slurred, although this can be resolved using optical character recognition systems. Moreover, the appearance of outliers (lyrics, dynamics, etc.)

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Symbol recognition system based on 3D stereo vision

Wang

2021

IFS

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With the continuous development of computer science and technology, symbol recognition systems may be converted from two-dimensional space to three-dimensional space. Therefore, this article mainly introduces the symbol recognition system based on 3D stereo vision. The three-dimensional image is taken by the visual coordinate measuring machine in two places on the left and right. Perform binocular stereo matching on the edge of the feature points of the two images. A corner detection algorithm combining SUSAN and Harris is used to detect the left and right camera calibration templates. The two-dimensional coordinate points of the object are determined by the image stereo matching module, and the three-dimensional discrete coordinate points of the object space can be obtained according to the transformation relationship between the image coordinates and the actual object coordinates. Then draw the three-dimensional model of the object through the three-dimensional drawing software. Experimental data shows that the logic resources and memory resources occupied by image preprocessing account for 30.4% and 27.4% of the entire system, respectively. The results show that the system can calibrate the internal and external parameters of the camera. In this way, the camera calibration result will be more accurate and the range will be wider. At the same time, it can effectively make up for the shortcomings of traditional modeling techniques to ensure the measurement accuracy of the detection system.

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Symbol recognition system based on 3D stereo vision

Wang

2021

IFS

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Improved Lexicon-driven based Chord Symbol Recognition in Musical Images

Cited by 1 publication

References 13 publications

Symbol recognition system based on 3D stereo vision

Symbol recognition system based on 3D stereo vision

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