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Title: Seeking patterns in the forensic analysis of handwriting and speech
Contributor(s): Leedham, Graham  (author); Pervouchine, Vladimir (author); Haishan, Zhong (author)
Publication Date: 2008
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Abstract: This chapter examines features of handwriting and speech and their effectiveness at determining whether the identity of a writer or speaker can be identified from his or her handwriting or speech. For handwriting, some of the subjective and qualitative features used by document examiners are investigated in a scientific and quantitative manner based on the analysis of three characters ("d," "y," and "f",) and the grapheme "th." For speech, several frequently used features are compared for their strengths and weaknesses in distinguishing speakers. The results show that some features do have good discriminative power, while others are less effective. Acceptable performance can be obtained in many situations using these features. However, the effect of handwriting forgery/disguise or conscious speech imitation/alteration on these features is not investigated. New and more powerful features are needed in the future if high accuracy person identification can be achieved in the presence of disguise or forgery.
Publication Type: Book Chapter
Source of Publication: Pattern Recognition Technologies and Applications: Recent Advances, p. 110-139
Publisher: IGI Global
Place of Publication: Hershey, United States of America
ISBN: 9781599048079
Field of Research (FOR): 080104 Computer Vision
080106 Image Processing
Socio-Economic Outcome Codes: 890202 Application Tools and System Utilities
HERDC Category Description: B3 Chapter in a Revision/New Edition of a Book
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