نتایج جستجو برای: heart sound classification deep learning neural networks self

تعداد نتایج: 2577770  

Journal: :journal of agricultural science and technology 2010
s. r. hassan-beygi b. ghobadian r. amiri chayjan m. h. kianmehr

the use of neural networks methodology is not as common in the investigation and pre-diction noise as statistical analysis. the application of artificial neural networks for pre-diction of power tiller noise is set out in the present paper. the sound pressure signals for noise analysis were obtained in a field experiment using a 13-hp power tiller. during measurement and recording of the sound ...

2017
Yun Wang

Sound event detection (SED) is the task of detecting the type and the onset and offset times of sound events in audio streams. It is useful for purposes such as multimedia retrieval and surveillance. Sound event detection is difficult in several aspects when compared with speech recognition: first, sound events are much more variable than phonemes, notably in terms of duration but also in terms...

Journal: :CoRR 2016
Edward J. Kim Robert J. Brunner

Most existing star-galaxy classifiers use the reduced summary information from catalogs, requiring careful feature extraction and selection. The latest advances in machine learning that use deep convolutional neural networks allow a machine to automatically learn the features directly from data, minimizing the need for input from human experts. We present a star-galaxy classification framework ...

Journal: :CoRR 2016
Yuhao Zhang Sandeep Ayyar Long-Huei Chen Ethan J. Li

Heart diseases constitute a global health burden, and the problem is exacerbated by the error-prone nature of listening to and interpreting heart sounds. This motivates the development of automated classification to screen for abnormal heart sounds. Existing machine learning-based systems achieve accurate classification of heart sound recordings but rely on expert features that have not been th...

2016
Weibin Zhang Wenkang Lei Xiangmin Xu Xiaofeng Xing

In recent years, deep neural networks have been shown to be effective in many classification tasks, including music genre classification. In this paper, we proposed two ways to improve music genre classification with convolutional neural networks: 1) combining maxand averagepooling to provide more statistical information to higher level neural networks; 2) using shortcut connections to skip one...

Journal: :CoRR 2016
Juan C. Cuevas-Tello Manuel Valenzuela-Rendón Juan Arturo Nolazco-Flores

Developing Intelligent Systems involves artificial intelligence approaches including artificial neural networks. Here, we present a tutorial of Deep Neural Networks (DNNs), and some insights about the origin of the term “deep”; references to deep learning are also given. Restricted Boltzmann Machines, which are the core of DNNs, are discussed in detail. An example of a simple two-layer network,...

Journal: :iranian journal of fuzzy systems 2005
yong soo kim z. zenn bien

the proposed iafc neural networks have both stability and plasticity because theyuse a control structure similar to that of the art-1(adaptive resonance theory) neural network.the unsupervised iafc neural network is the unsupervised neural network which uses the fuzzyleaky learning rule. this fuzzy leaky learning rule controls the updating amounts by fuzzymembership values. the supervised iafc ...

Journal: :Agricultural Economics (Zemědělská ekonomika) 2010

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