Food Recognition System: A New Approach Based on Wavelet-LSTM

Autor: Ghulam Hussain
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Sukkur IBA Journal of Emerging Technologies, Vol 6, Iss 1 (2023)
Druh dokumentu: article
ISSN: 2616-7069
2617-3115
DOI: 10.30537/sjet.v6i1.1258
Popis: An automated system for analyzing daily dietary intake is essential for human well-being and healthcare. This work presents a novel wearable necklace embedded with a piezoelectric sensor and a microcontroller to monitor food ingestion of users. To effectively represent the food ingestion patterns, the sensor signal is dynamically segmented using a bidirectional search technique. Each segmented food intake pattern consists of a chewing sequence and a swallow peak. We exploit wavelet transform to decompose the complex food ingestion patterns, collected by the sensor, into frequency sub-bands at discrete scales. The frequency sub-bands are used as sequences to train long short-term memory (LSTM) for the recognition of 5 food categories. Our proposed recognition model based on wavelet-LSTM recognizes 5 food classes with an accuracy of 98.1%
Databáze: Directory of Open Access Journals