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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Green, G.C. Chan, A.D.C. Goubran, R.A. |
| Copyright Year | 2011 |
| Description | Author affiliation: Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada (Green, G.C.; Chan, A.D.C.; Goubran, R.A.) |
| Abstract | Use of continuous odour monitoring in a smart home represents a novel sensor modality with the potential to recognize various activities of daily living and identify unsafe conditions for the occupant. In this paper, we focus on food spoilage as one such condition. Using a metal-oxide sensor (MOS) based electronic nose, we measured the odour signatures of two common foods (milk and yogurt) that were stored at 25°C during a week-long period. Feature vectors were constructed using the maximum absolute sensor responses, and their components exhibited a smooth trajectory as the samples aged. Applying principal component analysis (PCA) revealed that the two substances followed distinct trajectories during spoilage. We conclude that an electronic nose can be used to track the spoilage of various foods in a manner that is a) repeatable for a specific food, and b) unique for different foods. Additionally, we found that the sampling protocol used in this work resulted in better repeatability than our previous work in this area. This result demonstrates the potential of using an electronic nose for smart home monitoring. |
| Starting Page | 284 |
| Ending Page | 287 |
| File Size | 787106 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424493364 |
| e-ISBN | 9781424493388 |
| DOI | 10.1109/MeMeA.2011.5966685 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-05-30 |
| Publisher Place | Italy |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Dairy products Smart homes Electronic noses Principal component analysis Robot sensing systems Monitoring Protocols Smart Home Electronic Nose Food Spoilage PCA |
| Content Type | Text |
| Resource Type | Article |
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