The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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Design of Multilayer Perceptrons for Pattern Classifications

패턴인식 문제에 대한 다층퍼셉트론의 설계 방법

  • 오상훈 (목원대학교 정보통신공학과)
  • Received : 2010.03.24
  • Accepted : 2010.05.18
  • Published : 2010.05.28
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Abstract

Multilayer perceptrons(MLPs) or feed-forward neural networks are widely applied to many areas based on their function approximation capabilities. When implementing MLPs for application problems, we should determine various parameters and training methods. In this paper, we discuss the design of MLPs especially for pattern classification problems. This discussion includes how to decide the number of nodes in each layer, how to initialize the weights of MLPs, how to train MLPs among various error functions, the imbalanced data problems, and deep architecture.

다층퍼셉트론 혹은 전방향 신경회로망이 임의의 함수를 근사시킬 수 있다는 이론적 연구결과에 기초하여 많은 분야에 응용되고 있다. 이 다층퍼셉트론을 실제 문제에 응용하는 경우에 여러 가지 파라미터 혹은 학습 방법 등을 결정하여야 한다. 이 논문에서는 패턴인식 문제에 다층퍼셉트론을 적용하는 경우에 실제 결정하여야 할 파라미터의 결정방법과 학습 방법에 대하여 논의한다. 이 논의는 각층의 노드 수 결정 방법, 다층 퍼셉트론의 가중치 초기화, 그리고, 성능향상을 위하여 학습에 사용되는 여러 가지 오차 함수, 데이터 불균형 문제의 학습, 깊은 구조 등을 다루었다.

Keywords

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