Melodic Similarity through Shape Similarity

被引：0
作者：
Urbano, Julian [1 ]
Llorens, Juan [1 ]
Morato, Jorge [1 ]
Sanchez-Cuadrado, Sonia [1 ]
机构：
[1] Univ Carlos III Madrid, Dept Comp Sci, Madrid 28911, Spain
来源：
EXPLORING MUSIC CONTENTS | 2011年 / 6684卷
关键词：
Music information retrieval; melodic similarity; interpolation; MUSIC INFORMATION-RETRIEVAL; ALGORITHMS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We present a new geometric model to compute the melodic similarity of symbolic musical pieces. Melodies are represented as splines in the pitch-time plane, and their similarity is computed as the similarity of their shape. The model is very intuitive and it is transposition and time scale invariant. We have implemented it with a local alignment algorithm over sequences of n-grams that define spline spans. An evaluation with the MIREX 2005 collections shows that the model performs very well, obtaining the best effectiveness scores ever reported for these collections. Three systems based on this new model were evaluated in MIREX 2010, and the three systems obtained the best results.
引用
收藏
页码：338 / 355
页数：18
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