OPERATIONAL EXPERIENCE OF FINGERMARK ENHANCEMENT BY FREQUENCY-DOMAIN FILTERING

Authors
BRAMBLE SK JACKSON GR
Citation
Sk. Bramble et Gr. Jackson, OPERATIONAL EXPERIENCE OF FINGERMARK ENHANCEMENT BY FREQUENCY-DOMAIN FILTERING, Journal of forensic sciences, 39(4), 1994, pp. 920-932
Citations number
12
Categorie Soggetti
Medicine, Legal
Journal title
Journal of forensic sciences → ACNP
ISSN journal
00221198
Volume
39
Issue
4
Year of publication
1994
Pages
920 - 932
Database
ISI
SICI code
0022-1198(1994)39:4<920:OEOFEB>2.0.ZU;2-9
Abstract
Fourier transformation of an image and subsequent filtering in the fre quency domain has been found to be an effective way to improve images of fingermarks on interfering backgrounds. Examples are given of succe ss in reducing periodic backgrounds that would otherwise have prevente d fingermark identification. In addition, it has been found that bette r background suppression is obtained when high-resolution images are u sed.