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HMM-based Writer Identification in Music Score Documents without Staff-Line Removal

机译:基于Hmm的乐谱文献中的作者识别   员工排除

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摘要

Writer identification from musical score documents is a challenging task dueto its inherent problem of overlapping of musical symbols with staff lines.Most of the existing works in the literature of writer identification inmusical score documents were performed after a preprocessing stage of stafflines removal. In this paper we propose a novel writer identification frameworkin musical documents without removing staff lines from documents. In ourapproach, Hidden Markov Model has been used to model the writing style of thewriters without removing staff lines. The sliding window features are extractedfrom musical score lines and they are used to build writer specific HMM models.Given a query musical sheet, writer specific confidence for each musical lineis returned by each writer specific model using a loglikelihood score. Next, aloglikelihood score in page level is computed by weighted combination of thesescores from the corresponding line images of the page. A novel Factor Analysisbased feature selection technique is applied in sliding window features toreduce the noise appearing from staff lines which proves efficiency in writeridentification performance.In our framework we have also proposed a novel scoreline detection approach in musical sheet using HMM. The experiment has beenperformed in CVC-MUSCIMA dataset and the results obtained that the proposedapproach is efficient for score line detection and writer identificationwithout removing staff lines. To get the idea of computation time of ourmethod, detail analysis of execution time is also provided.
机译:由于乐谱符号与谱号线重叠的内在问题,从乐谱文件中识别作者是一项具有挑战性的任务。鉴定乐谱文件的作者识别文献中的大多数现有工作都是在去除谱线的预处理阶段之后进行的。在本文中,我们提出了一种新颖的音乐文件作者识别框架,而不会从文件中删除人员。在我们的方法中,隐马尔可夫模型已被用来模拟作家的写作风格而无需删除人员线。从乐谱线中提取滑动窗口特征,并将其用于构建特定于作者的HMM模型。给出查询乐谱后,每个作者特定模型使用对数似然分数返回针对每个乐谱的特定作者置信度。接下来,通过页面相应行图像中这些得分的加权组合来计算页面级别的对数似然分数。一种新颖的基于因子分析的特征选择技术被应用到滑动窗口特征中,以减少从谱线中出现的噪声,这证明了作者识别性能的有效性。在CVC-MUSCIMA数据集中进行了该实验,结果表明,该方法在不去除人员线的情况下,对于分数线检测和作者识别是有效的。为了了解我们的方法的计算时间,还提供了执行时间的详细分析。

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