Korean Chemical Engineering Research

  • 제55권1호
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  • Pages.135-140
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  • 2017
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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토너 출력문자와 필기구류 기재문자 간 광학적 변화와 선후관계에 관한 연구

A Study on Optical Changes and Sequence Discrimination of Toner-printed Text and Writing Text

  • 이가영 (국립과학수사연구원 디지털분석과) ;
  • 윤도영 (광운대학교 화학공학과) ;
  • 이중 (국립과학수사연구원 디지털분석과)
  • Lee, Ka Young (Digital Technology & Biometry Division, National Forensic Service) ;
  • Yoon, Do-Young (Department of Chemical Engineering, Kwangwoon University) ;
  • Lee, Joong (Digital Technology & Biometry Division, National Forensic Service)
  • 투고 : 2016.09.25
  • 심사 : 2016.10.07
  • 발행 : 2017.02.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문은 법과학 문서분야에서 가장 활발하게 논의되고 있는 주제 중 하나인 상대적 작성시기 판단에 관한 연구이다. 최근 문서 제작에 가장 많이 이용되는 토너 타입의 출력문자와 필기구류 기재문자의 교차 지점을 분광비교분석기 및 무한초점현미경을 이용하여 관찰하였다. 그 결과, 필기구류 종류에 따라 교차지점 형태를 분류할 수 있었고, 문자간 상대적 작성시기 판단에 관한 결과를 도출하였다.

This paper is on a study for discrimination on relative sequence as a most actively discussed topic in forensic document fields. This paper describes the application of the visual spectral comparator and infinite focus microscope as observation methods for overlapping region of printing and writing lines. As a result, we could categorize overlapping region images and identify the sequence of printing and writing lines by various inks.

키워드

참고문헌

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