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합성곱 신경망을 적용한 Optical Camera Communication 시스템 성능 분석
Performance Analysis of Optical Camera Communication with Applied Convolutional Neural Network 원문보기

스마트미디어저널 = Smart media journal, v.12 no.3, 2023년, pp.49 - 59  

김종인 (한국광기술원 마이크로LED디스플레이연구센터) ,  박현선 (한국광기술원 마이크로LED디스플레이연구센터) ,  김정현 (한국광기술원 마이크로LED디스플레이연구센터)

초록
AI-Helper 아이콘AI-Helper

차세대 무선 통신기술로 알려져 있는 Optical Camera Communication(OCC)은 많은 연구가 진행 되고 있다. 이러한 OCC 기술은 통신 환경에 의해 성능이 좌우되며 이를 개선하기 위해 다양한 전략이 연구되고 있다. 그중 가장 두각을 나타내고 있는 방법은 딥러닝 기술을 사용하여 OCC의 수신기에 CNN을 적용하는 방법이다. 하지만 대부분의 연구에서는 CNN을 단순히 송신기를 검출하는데 사용하고 있다. 본 논문에서는 CNN을 송신기 검출 뿐만 아니라 Rx 복조 시스템에 적용하여 실험한다. 그리고 OCC 시스템의 데이터 이미지는 다른 이미지 데이터셋과는 다르게 비교적 분류가 간단하기 때문에 대부분의 CNN 모델에서 높은 정확도의 결과가 나타날 것이라는 가설을 세웠다. 가설을 증명하기 위해 OCC 시스템을 설계 및 구현하여 데이터를 수집하였고 12가지의 다양한 CNN 모델에 적용하여 실험했다. 실험 결과 파라미터수가 많은 고성능의 CNN 모델 뿐만 아니라 경량화 CNN 모델에서도 99% 이상의 정확도를 달성하였고 이를 통해 스마트폰과 같은 저성능 계산 장치에 OCC 시스템 적용이 가능함을 확인했다.

Abstract ▼ AI-Helper 아이콘AI-Helper

Optical Camera Communication (OCC), known as the next-generation wireless communication technology, is currently under extensive research. The performance of OCC technology is affected by the communication environment, and various strategies are being studied to improve it. Among them, the most prom...

주제어

#광학 카메라 통신   #딥러닝   #합성곱 신경망  

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