- 반도체 웨이퍼 ID 인식을 위한 다중템플릿형 영상분할 알고리즘 개발
- ㆍ 저자명
- 안인모,Ahn. In-Mo
- ㆍ 간행물명
- 전기학회논문지. The Transactions of the Korean Institute of Electrical Engineers. P
- ㆍ 권/호정보
- 2006년|55권 4호|pp.167-175 (9 pages)
- ㆍ 발행정보
- 대한전기학회
- ㆍ 파일정보
- 정기간행물| PDF텍스트
- ㆍ 주제분야
- 기타
This paper presents a method to segment semiconductor wafer ID on poor quality images. The method is based on multiple templates and normalized gray-level correlation (NGC) method. If the lighting condition is not so good and hence, we can not control the image quality, target image to be inspected presents poor quality ID and it is not easy to identify and then recognize the ID characters. Conventional several method to segment the interesting ID regions fails on the bad quality images. In this paper, we propose a multiple template method, which uses combinational relation of multiple templates from model templates to match several characters of the inspection images. To find out the optimal solution of multiple template model in ID regions, we introduce newly-developed snake algorithm. Experimental results using images from real FA environment are presented.