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Sensor-based human activity recognition using fuzzified deep CNN architecture with λmax method

Sensor-based human activity recognition using fuzzified deep CNN architecture with λmax method This work aims to develop a novel fuzzy associator rule-based fuzzified deep convolutional neural network (FDCNN) architecture for the classification of smartphone sensor-based human activity recognition. This work mainly focuses on fusing the λmax method for weight initialization, as a data normalization technique, to achieve high accuracy of classification.Design/methodology/approachThe major contributions of this work are modeled as FDCNN architecture, which is initially fused with a fuzzy logic based data aggregator. This work significantly focuses on normalizing the University of California, Irvine data set’s statistical parameters before feeding that to convolutional neural network layers. This FDCNN model with λmax method is instrumental in ensuring the faster convergence with improved performance accuracy in sensor based human activity recognition. Impact analysis is carried out to validate the appropriateness of the results with hyper-parameter tuning on the proposed FDCNN model with λmax method.FindingsThe effectiveness of the proposed FDCNN model with λmax method was outperformed than state-of-the-art models and attained with overall accuracy of 97.89% with overall F1 score as 0.9795.Practical implicationsThe proposed fuzzy associate rule layer (FAL) layer is responsible for feature association based on fuzzy rules and regulates the uncertainty in the sensor data because of signal inferences and noises. Also, the normalized data is subjectively grouped based on the FAL kernel structure weights assigned with the λmax method.Social implicationsContributed a novel FDCNN architecture that can support those who are keen in advancing human activity recognition (HAR) recognition.Originality/valueA novel FDCNN architecture is implemented with appropriate FAL kernel structures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Sensor Review Emerald Publishing

Sensor-based human activity recognition using fuzzified deep CNN architecture with λmax method

Sensor Review , Volume 42 (2): 13 – Mar 8, 2022

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References (82)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0260-2288
DOI
10.1108/sr-06-2021-0195
Publisher site
See Article on Publisher Site

Abstract

This work aims to develop a novel fuzzy associator rule-based fuzzified deep convolutional neural network (FDCNN) architecture for the classification of smartphone sensor-based human activity recognition. This work mainly focuses on fusing the λmax method for weight initialization, as a data normalization technique, to achieve high accuracy of classification.Design/methodology/approachThe major contributions of this work are modeled as FDCNN architecture, which is initially fused with a fuzzy logic based data aggregator. This work significantly focuses on normalizing the University of California, Irvine data set’s statistical parameters before feeding that to convolutional neural network layers. This FDCNN model with λmax method is instrumental in ensuring the faster convergence with improved performance accuracy in sensor based human activity recognition. Impact analysis is carried out to validate the appropriateness of the results with hyper-parameter tuning on the proposed FDCNN model with λmax method.FindingsThe effectiveness of the proposed FDCNN model with λmax method was outperformed than state-of-the-art models and attained with overall accuracy of 97.89% with overall F1 score as 0.9795.Practical implicationsThe proposed fuzzy associate rule layer (FAL) layer is responsible for feature association based on fuzzy rules and regulates the uncertainty in the sensor data because of signal inferences and noises. Also, the normalized data is subjectively grouped based on the FAL kernel structure weights assigned with the λmax method.Social implicationsContributed a novel FDCNN architecture that can support those who are keen in advancing human activity recognition (HAR) recognition.Originality/valueA novel FDCNN architecture is implemented with appropriate FAL kernel structures.

Journal

Sensor ReviewEmerald Publishing

Published: Mar 8, 2022

Keywords: Human activity recognition; Data normalization; Deep convolutional model; Fuzzy associator rule; Positive reciprocal matrices; λmax method

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