Application of Deep Learning System into the Development of Communication Device for Quadriplegic Patient

In general, quadriplegic patients use their voices to call the caregiver. However, severe quadriplegic patients are in a state of tracheostomy, and cannot generate a voice. These patients require other communication tools to call caregivers. Recently, monitoring of eye status using artificial intell...

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Published inKorean journal of neurotrauma Vol. 15; no. 2; pp. 88 - 94
Main Authors Lee, Jung Hwan, Kang, Taewoo, Choi, Byung Kwan, Han, In Ho, Kim, Byung Chul, Ro, Jung Hoon
Format Journal Article
LanguageEnglish
Published Korea (South) Korean Neurotraumatology Society 01.10.2019
대한신경손상학회
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Summary:In general, quadriplegic patients use their voices to call the caregiver. However, severe quadriplegic patients are in a state of tracheostomy, and cannot generate a voice. These patients require other communication tools to call caregivers. Recently, monitoring of eye status using artificial intelligence (AI) has been widely used in various fields. We made eye status monitoring system using deep learning, and developed a communication system for quadriplegic patients can call the caregiver. The communication system consists of 3 programs. The first program was developed for automatic capturing of eye images from the face using a webcam. It continuously captured and stored 15 eye images per second. Secondly, the captured eye images were evaluated for open or closed status by deep learning, which is a type of AI. Google TensorFlow was used as a machine learning tool or library for convolutional neural network. A total of 18,000 images were used to train deep learning system. Finally, the program was developed to utter a sound when the left eye was closed for 3 seconds. The test accuracy of eye status was 98.7%. In practice, when the quadriplegic patient looked at the webcam and closed his left eye for 3 seconds, the sound for calling a caregiver was generated. Our eye status detection software using AI is very accurate, and the calling system for the quadriplegic patient was satisfactory.
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ISSN:2234-8999
2288-2243
DOI:10.13004/kjnt.2019.15.e17