Questioned Document Examination Using CEDAR-FOX
Keywords:handwriting identification, macro and micro features, feature extraction, word segmentation, log-liklihood ration (LLR)
Handwriting verification casework often involves comparing the writing in a questioned document with samples of known writing. This paper describes the use of CEDAR-FOX, a software tool for questioned document examination, in a case involving extended writing. The different steps involved from scanning the documents to obtaining a nine-point qualitative measure are described. The various algorithms used, along with a demonstration of its. functionalities on the case are also described. The paper serves two purposes: a guide to using a stateof- the-art software system for a quantitative analysis of handwriting, and an introduction to the science and technology of the software.
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