What's on Your Plate? Inferring Chinese Cuisine Intake from Wearable IMUs

• URL: http://arxiv.org/abs/2511.05292v1
• Date: Fri, 07 Nov 2025 14:54:37 GMT
• Title: What's on Your Plate? Inferring Chinese Cuisine Intake from Wearable IMUs
• Authors: Jiaxi Yin, Pengcheng Wang, Han Ding, Fei Wang,
• Abstract summary: Existing wearable-based methods primarily focus on a limited number of food types, such as hamburgers and pizza.<n>We propose CuisineSense, a system that classifies Chinese food types by integrating hand motion cues from a smartwatch with head dynamics from smart glasses.<n>Experiments demonstrate that CuisineSense achieves high accuracy in both eating state detection and food classification.
• Score: 6.064832298655888
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Accurate food intake detection is vital for dietary monitoring and chronic disease prevention. Traditional self-report methods are prone to recall bias, while camera-based approaches raise concerns about privacy. Furthermore, existing wearable-based methods primarily focus on a limited number of food types, such as hamburgers and pizza, failing to address the vast diversity of Chinese cuisine. To bridge this gap, we propose CuisineSense, a system that classifies Chinese food types by integrating hand motion cues from a smartwatch with head dynamics from smart glasses. To filter out irrelevant daily activities, we design a two-stage detection pipeline. The first stage identifies eating states by distinguishing characteristic temporal patterns from non-eating behaviors. The second stage then conducts fine-grained food type recognition based on the motions captured during food intake. To evaluate CuisineSense, we construct a dataset comprising 27.5 hours of IMU recordings across 11 food categories and 10 participants. Experiments demonstrate that CuisineSense achieves high accuracy in both eating state detection and food classification, offering a practical solution for unobtrusive, wearable-based dietary monitoring.The system code is publicly available at https://github.com/joeeeeyin/CuisineSense.git.

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