The Journal of Korean Institute of Information Technology (한국정보기술학회논문지)

Korean Institute of Information Technology (한국정보기술학회)
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Exotic Weeds Classification : Hierarchical Approach with Convolutional Neural Network

외래잡초 분류 : 합성곱 신경망 기반 계층적 구조

  • Received : 2019.11.01
  • Accepted : 2019.12.21
  • Published : 2019.12.31
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Abstract

Weeds are a major object which is very harmful to crops. To remove the weeds effectively, we have to classify them accurately and use herbicides. As computing technology has developed, image-based machine learning methods have been studied in this field, specially convolutional neural network(CNN) based models have shown good performance in public image dataset. However, CNN with numerous training parameters and high computational amount. Thus, it works under high hardware condition of expensive GPUs in real application. To solve these problems, in this paper, a hierarchical architecture based deep-learning model is proposed. The experimental results show that the proposed model successfully classify 21 species of the exotic weeds. That is, the model achieve 97.2612% accuracy with a small number of parameters. Our proposed model with a few parameters is expected to be applicable to actual application of network based classification services.

잡초는 농작물에 막대한 피해를 주는 주요한 개체이다. 잡초를 효과적으로 제거하기 위해서는 정확한 분류를 하고 제초제를 사용하여야 한다. 컴퓨팅 기술의 발전으로, 영상 기반의 기계학습 방법들이 이 분야에서 연구되고 있고, 특히 합성곱 신경망 기반의 모델들이 공공데이터에서 좋은 성능을 보이고 있다. 하지만 실제 응용단계에서는 많은 파라미터 수와 연산량 때문에 GPU와 같은 좋은 하드웨어 조건에서만 잘 작동된다. 본 논문은 계층적 구조 기반의 딥러닝 모델을 제안한다. 실험 결과, 제안된 모델은 적은 파라미터 수로 21개의 외래 잡초 종을 최대 97.2612%의 정확도로 성공적으로 분류하였다. 이를 통해 적은 수의 파라미터를 사용하는 제안된 모델은 네트워크 기반의 분류 서비스에서 적용될 수 있을 것으로 기대된다.

Keywords

References

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