Abstract

산업자동화를 위한 영상처리기술을 활용하여 금속 표면 검사 공정의 육안 검사를 대체하기 위한 장치개발이 요구된다. 본 논문에서는 압연 공정의 금속 판재 표면의 결함을 탐지하기 위하여 이동평균 영상처리기법을 적용한 정밀측정시스템을 제안하였다. 금속 판재의 압연 처리 과정에서 발생하는 표면 패턴이 결함으로 판정될 수 있다. 이러한 경우에 대하여 제안한 시스템을 적용하여 금속 판재 표면의 실제 결함의 수를 측정할 수 있었고 FFT방법에 의한 측정치에 비하여 양호한 결과를 얻었다. It has been highly required to develope an automatic metal surface inspection system, specifically using image processing techniques, which can replace the visual inspection method in the steel industry. In this paper, we propose a precisional surface measurement system using the moving average image processing technique. When the surface patterns which are generated in the rolling process of metal plates are recognized as defects, the proposed system can measure the actual number of defects. It has been proved that our system shows better results than the conventional FFT method.

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