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电子学报  2015 

利用抗噪纹理特征的快速鸟鸣声识别

DOI: 10.3969/j.issn.0372-2112.2015.01.029, PP. 185-190

Keywords: 鸟鸣声识别,抗噪纹理特征,短时谱估计,和差统计法

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Abstract:

针对非平稳噪声下的鸟鸣声识别问题,提出一种利用抗噪纹理特征的快速鸟鸣声识别方法,该方法也解决了纹理特征提取过程中灰度共生矩阵(GLCM)占用空间大,以及计算量大、耗时的问题.该方法分三个步骤,首先,通过短时谱估计算法对鸟鸣声带噪功率谱进行音频增强;然后,采用和差统计法(SDH)对增强功率谱快速提取纹理特征;最后,由随机森林进行分类.在实验部分,设计了两组对比实验,结果表明,该方法有良好的识别性能、较少的时耗,且具有噪声鲁棒性.

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