Ms. Vickie Do Profile

Vickie Do

at Univ of California Los Angeles

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Proceedings Article | 27 May 2022 Paper

A virtual assistant for first responders using natural language understanding and optical character recognition

Vickie Do, Alexander Huyen, Federick Joubert, Mina Gabriel, Kyongsik Yun, Thomas Lu, Edward Chow

Proceedings Volume 12101, 121010C (2022) https://doi.org/10.1117/12.2620729

KEYWORDS: Artificial intelligence, Safety, Databases, Clouds, Optical character recognition, Machine learning, Hazard analysis, Visualization, Information operations

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Commercial deep learning capabilities are available for many applications such as computer vision processing and intelligent chat bots. The Google Cloud Platform product Google Dialogflow provides lifelike conversational artificial intelligence (AI) using machine learning (ML) to generate natural conversations between computers and humans. This ML utilizes natural language understanding (NLU) to recognize a user’s intent and extracts key information into a form of entities. We have developed a user-friendly application through understanding the hazardous material database, first aid safety guidelines and observing the process of first responders who access this information in the field. We created the Trusted and Explainable Artificial Intelligence for Saving Lives (TruePAL) virtual assistant using Dialogflow¹ and TensorFlow² paired with EasyOCR.3 The chatbot supports first responders by providing voice interaction which helps limit additional steps such as browsing through multiple categories when searching for information. Using feedback from our field interviews, the voice interface has been developed to enable the first responder to focus on the immediate emergency. With less distractions, the first responder is able to engage the incident more effectively. The partial hands-free TruePAL chatbot assistant improves the accessibility to the correct guidance by an average of 1.9 seconds compared to the widely used application, NIH WISER, which requires full attention to operate. We combined this intelligent chatbot with a separate visual processing capability to produce hazardous signage analysis and generate the proper guidance for first responders. With the evolving functionality of AI tools, the use of virtual assistants in first responder technology will be an advancement, benefiting the safety of both first responders and civilians.

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