An Accurate Method of Focusing for Infrared Photography

Volume 33, Issue 3 (May 1988)

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ISSN: 0022-1198
CODEN: JFSCA
Page Count: 3

An Accurate Method of Focusing for Infrared Photography
Rademacher, GP
Questioned document examiner, Illinois State Police, Bureau of Forensic Sciences, IL

Abstract

A method of accurately focusing for infrared photographs with the aid of an infrared image converter is described. The method is tested with a series of photographs and produces sharper photographs than conventional methods.

Keywords:
questioned documents, image enhancement system, photography, infrared photography

Paper ID: JFS12486J
DOI: 10.1520/JFS12486J
ASTM International is a member of CrossRef.

Author Title An Accurate Method of Focusing for Infrared Photography Symposium , 0000-00-00 Committee E30

		SEDL / Journals / Journal of Forensic Sciences (JOFS) / Citation Page Volume 33, Issue 3 (May 1988) Click here to download this paper now for $25 PDF (336K) View License Agreement ISSN: 0022-1198 CODEN: JFSCA Page Count: 3 An Accurate Method of Focusing for Infrared Photography Rademacher, GP Questioned document examiner, Illinois State Police, Bureau of Forensic Sciences, IL Abstract A method of accurately focusing for infrared photographs with the aid of an infrared image converter is described. The method is tested with a series of photographs and produces sharper photographs than conventional methods. Keywords: questioned documents, image enhancement system, photography, infrared photography Paper ID: JFS12486J DOI: 10.1520/JFS12486J ASTM International is a member of CrossRef. Author Title An Accurate Method of Focusing for Infrared Photography Symposium , 0000-00-00 Committee E30