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Internet of Things for Architects : Architecting IoT solutions by implementing sensors, communication infrastructure, edge computing, analytics, and security / Perry Lea
UK, Birmingham : Packt Publishing, 2018
524 pages. : illustrations ; cm.
Ký hiệu phân loại (DDC): 004.678
Annotation Learn to design, implement and secure your IoT infrastructureKey FeaturesBuild a complete IoT system that is the best fit for your organizationLearn about different concepts, technologies, and tradeoffs in the IoT architectural stack Understand the theory, concepts, and implementation of each element that comprises IoT design--from sensors to the cloudImplement best practices to ensure the reliability, scalability, robust communication systems, security, and data analysis in your IoT infrastructureBook DescriptionThe Internet of Things (IoT) is the fastest growing technology market. Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. An architectural guide is necessary if you want to traverse the spectrum of technologies needed to build a successful IoT system, whether that's a single device or millions of devices.This book encompasses the entire spectrum of IoT solutions, from sensors to the cloud.
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Some new results on automatic identification of Vietnamese folk songs cheo and quanho // Tạp chí Tin học và Điều khiển học = Journal of Computer Science And Cybernetics . - 2020. - tr. 32-52. - ISSN: 1813-9663



Ký hiệu phân loại (DDC): 398.809
The paper will present an overview of the classification of music genres that have been performed in Vietnam and abroad. For two types of very popular folk songs of Vietnam such as Cheo and Quanho, the paper describes the dataset and Gaussian Mixture Model (GMM) to perform the experiments on identifying some of these folk songs. The GMM used for experiment with 4 sets of parameters containing Mel Frequency Cepstral Coefficients (MFCC), energy, the first and the second derivatives of MFCC and energy, tempo, intensity, and fundamental frequency. The results showed that the parameters added to the MFCCs contributed significantly to the improvement of the identification accuracy with the appropriate values of Gaussian component number M. Our experiments also showed that, on average, the length of the excerpts was only 29.63% of the whole song for Cheo and 38.1% of the whole song for Quanho, the identification rate was only 3.1% and 2.33% less than the whole song for Cheo and Quanho, respectively. The identification of Cheo and Quanho was also tested with i-vectors.
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