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A context aware sound classifier applied to prawn feed monitoring and energy disaggregation

机译：上下文感知的声音分类器应用于对虾饲料监控和能量分解

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摘要

Two sound classifiers were proposed for a novel aquaculture application that involved processing sound to estimate the feed consumption of prawns within the turbid waters of farm ponds. A two stage content classifier inferred feed events using identified sound features. To deal with the class ambiguity created by the acoustically challenging conditions of ponds, the CADBN was proposed to jointly model the sound features with the context of feed events. The CADBN was then reformulated to classify the energy load of devices using a distributed state space that enabled flexible and efficient modelling of context. The CADBN was compared to a set of benchmark classifiers for both the prawn feeding and energy applications. Results indicate that the inclusion of context greatly enhances class discrimination in both problems. Furthermore, results illustrate that the temporal structure of the CADBN produced superior performance to benchmark context classifiers that adopt the same context features as independent inputs.
机译：针对一种新颖的水产养殖应用，提出了两种声音分类器，其中涉及处理声音以估算池塘混浊水域中虾的饲料消耗。两阶段内容分类器使用已识别的声音功能来推断提要事件。为了解决池塘在声学上的挑战性条件所造成的类歧义，建议使用CADBN结合饲料事件来对声音特征进行建模。然后，重新设计CADBN，以使用分布式状态空间对设备的能量负荷进行分类，从而实现灵活高效的上下文建模。将CADBN与对虾喂养和能源应用的一组基准分类器进行了比较。结果表明，在这两个问题中都包括上下文，极大地增强了阶级歧视。此外，结果表明，CADBN的时间结构比基准上下文分类器具有更好的性能，基准分类器采用与独立输入相同的上下文特征。

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  • 来源
    《Knowledge-Based Systems》 |2013年第11期|21-31|共11页
  • 作者

    Daniel V. Smith; Md. Sumon Shahriar;

  • 作者单位

    Intelligent Sensing and Systems Laboratory, Commonwealth Science and Industrial Research Organisation (CSIRO), Australia CSIRO,Marine and Atmospheric Research Laboratory, Castray Esplanade, Hobart,Tasmania 7001, Australia;

    Intelligent Sensing and Systems Laboratory, Commonwealth Science and Industrial Research Organisation (CSIRO), Australia CSIRO,Marine and Atmospheric Research Laboratory, Castray Esplanade, Hobart,Tasmania 7001, Australia;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Sound classification; Probabilistic network; Context; Energy disaggregation;

    机译：声音分类;概率网络;上下文;能量分解;

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