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3 Journal of Medical Informatics & Technologies

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The lip print recognition using Hough transform

Smacki Ł., Porwik P., Tomaszycki K., Kwarcińska S.

Journal of Medical Informatics & Technologies

2010

Vol. 14

31--38

This paper presents the new method of lip print recognition. Lip print analysis is based on sulcus-topology features manifested on human lips. The structure of the characteristic lip lines is transformed to a digital image and classified using the Hough transformation. The proposed algorithm gives good level of recognition accuracy and can be used in biometric applications and applied in forensic services.

Lip traces recognition based on lines pattern

Smacki Ł.

Journal of Medical Informatics & Technologies

2010

Vol. 15

53--60

This paper presents a method for automatic lip traces recognition based on lip furrows arrangement. First, lip trace is scanned and subjected to image processing and feature extraction. Then, identification is performed by comparing lip trace characteristics with a collection of comparative lip prints characteristics stored in a database. The proposed solution gives a satisfactory level of identification accuracy. After further improvement, it can be used as part of a system performing analysis of traces recovered from crime scenes.

Combined off-line type signature recognition method

Porwik P., Para T., Smacki Ł., Żuławiński S.

Journal of Medical Informatics & Technologies

2006

Vol. 10

81--90

In this paper the off-line type signature analysis have been presented. The signature recognition is composed of some features. Different influences of such features were tested and stated. Proposed approach gives good signature recognition level, hence described method can be used in many areas, for example in biometric authentication, as biometric computer protection or as method of the analysis of person's behaviour changes.