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http://dx.doi.org/10.5392/JKCA.2017.17.06.287

Estimation of Fingerprint Image Quality in Accordance with Photographing Conditions  

Yu, Je-Seol (순천향대학교 법과학대학원)
Jeon, So-Young (순천향대학교 법과학대학원)
Kim, Kyu-Yeon (순천향대학교 법과학대학원)
Kim, Ji-Yeon (순천향대학교 법과학대학원)
Kim, Chae-Won (순천향대학교 법과학대학원)
Jang, Jake (한림대학교 국제학부)
Publication Information
The Journal of the Korea Contents Association / v.17, no.6, 2017 , pp. 287-295 More about this Journal
Abstract
This study is aimed at observing effects of fingerprint image quality on various photographing conditions in the aspect of resolution. Discrimination between two friction ridges plays an important role in the value of fingerprint image, and it can be confirmed with quantification of pixels of boundary region which is existing between two friction ridges. In this study, several factors were estimated with same fingerprint image using Adobe photoshop CS 6 for analysis: changes of image quality by ISO, movement when photographing, and photographers' experience and skill. Consequently, there was no significant change of image quality by ISO. Furthermore, there was no significant difference in the hand-held images between crime scene investigators and laymen, yet there was significant difference between hand-held images and images using tripod in the aspect of resolution. This study shows that using tripod is very important in forensic fingerprint photography through empirical methods.
Keywords
Resolution; Fingerprint Image; Tripod; ISO; Focal Length; Fingerprint;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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