Inferring Intentions to Speak Using Accelerometer Data In-the-Wild
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866913192201945088 |
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| author | Li, Litian Molhoek, Jord Zhou, Jing |
| author_facet | Li, Litian Molhoek, Jord Zhou, Jing |
| contents | Humans have good natural intuition to recognize when another person has something to say. It would be interesting if an AI can also recognize intentions to speak. Especially in scenarios when an AI is guiding a group discussion, this can be a useful skill. This work studies the inference of successful and unsuccessful intentions to speak from accelerometer data. This is chosen because it is privacy-preserving and feasible for in-the-wild settings since it can be placed in a smart badge. Data from a real-life social networking event is used to train a machine-learning model that aims to infer intentions to speak. A subset of unsuccessful intention-to-speak cases in the data is annotated. The model is trained on the successful intentions to speak and evaluated on both the successful and unsuccessful cases. In conclusion, there is useful information in accelerometer data, but not enough to reliably capture intentions to speak. For example, posture shifts are correlated with intentions to speak, but people also often shift posture without having an intention to speak, or have an intention to speak without shifting their posture. More modalities are likely needed to reliably infer intentions to speak. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_05849 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Inferring Intentions to Speak Using Accelerometer Data In-the-Wild Li, Litian Molhoek, Jord Zhou, Jing Machine Learning Artificial Intelligence Computation and Language Human-Computer Interaction I.5.5; I.2.6 Humans have good natural intuition to recognize when another person has something to say. It would be interesting if an AI can also recognize intentions to speak. Especially in scenarios when an AI is guiding a group discussion, this can be a useful skill. This work studies the inference of successful and unsuccessful intentions to speak from accelerometer data. This is chosen because it is privacy-preserving and feasible for in-the-wild settings since it can be placed in a smart badge. Data from a real-life social networking event is used to train a machine-learning model that aims to infer intentions to speak. A subset of unsuccessful intention-to-speak cases in the data is annotated. The model is trained on the successful intentions to speak and evaluated on both the successful and unsuccessful cases. In conclusion, there is useful information in accelerometer data, but not enough to reliably capture intentions to speak. For example, posture shifts are correlated with intentions to speak, but people also often shift posture without having an intention to speak, or have an intention to speak without shifting their posture. More modalities are likely needed to reliably infer intentions to speak. |
| title | Inferring Intentions to Speak Using Accelerometer Data In-the-Wild |
| topic | Machine Learning Artificial Intelligence Computation and Language Human-Computer Interaction I.5.5; I.2.6 |
| url | https://arxiv.org/abs/2401.05849 |