Journal
IEEE SENSORS JOURNAL
Volume 21, Issue 4, Pages 5052-5059Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2020.3034145
Keywords
Electronic nose; data corruption; data reconstruction; denoising auto-encoder; deep neural network; convolutional neural network; classification
Funding
- Dankook University
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This paper proposes two deep neural network-based functions for identifying gases: a denoising auto-encoder and a convolutional neural network-based gas-classifying model. Experimental results show that the denoising auto-encoder provides strong restoration capability, and the convolutional neural network successfully discriminates gas data samples with a classification rate over 95%, even with 50% data loss.
Data loss for electronic noses may occur because of the sensor's installation environment or from electrical disturbances. As a result, electronic noses may experience difficulties when identifying gases. This paper proposes two deep neural network-based functions for identifying gases. First, a denoising auto-encoder based on the corruption reconstruction method is proposed for electronic nose data to solve this problem. Second, a convolutional neural network-based gas-classifying model is proposed. Although the electronic nose data are highly discriminative, they are sensitive to the corruption of information; hence, they require an efficient restoration method for practical use. From the experiments we demonstrate that the proposed denoising auto-encoder provides a strong restoration capability, and the convolutional neural network-based classifier successfully discriminates the gas data samples with a classification rate over 95% even when the data loss is 50%.
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