Examinando por Autor "Guzmán Zecenarro, Luis Alonso"

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    Use the software to morphometric analysis TPS.DIG v.2.2.3 in the identification of documentary falsifications by stamps
    (Universidad Privada Norbert Wiener, 2020-01-16) Guzmán Zecenarro, Luis Alonso; Ascarza Gallegos, Justo Angelo
    This research aims to determine the usefulness of the TPS.Dig v.2.2.3 morphometric analysis software in identifying document forgeries by stamps. A forgery simulation was intentionally created, designing three seals from three fictitious institutions (Society of Forensic Medical Technologists, Costa Rican Society of Forensic Medical Technologists, and Chilean Society of Forensic Medical Technologists), two types of seals (automatic and rubber), and three types of paper (75 g/m2 bond paper, 180 g/m2 Nordic white paper, and 90 g/m2 Manila envelope). The seals were divided into two groups, with each group containing three designs. The first group consisted of “original seals” (automatic type) and the second group consisted of “fake seals” (rubber type). The investigation was descriptive, cross-sectional, quantitative, and correlational. The sample size was calculated based on the total national reports made in 2016, collected by the National Police. The sample consisted of 270 stamp impressions, which were distributed among each seal group and type of paper. The stamps were measured using the TPS.Dig software version 2.2.3, and the data collected were compared, showing morphometric differences between the stamps from both seal groups. It was concluded that the use of TPS.Dig v.2.2.3 morphometric analysis software is useful in document forgery investigations by stamps.