The application of affine transformations in matching distorted forensic samples with a common origin

Bernitz, Herman; Stols, Gerrit

doi:10.1016/j.forsciint.2010.03.007

Cited by 6 publications

(2 citation statements)

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“…[12131829] A lip print will clearly have increased value if its distortions are minimal and can be explained by dynamically applying associative methodologies focused on qualitative and nonmetric characteristics. [30] Although the findings from the studied surface point to an evident regionalism, they show an indispensable condition when the investigator processes the crime scene: all the utensils can be useful in obtaining lip prints, and the nature of the objects and their cinematic relation with the lips of the offender promote the quality and legibility of these prints. This model shows other dynamic adverse situations, such as a change in the mouth position in cigarette butts, dragging as part of the basic use of the napkins, etc.…”

Section: Discussionmentioning

confidence: 98%

Experimental model of developing and analysis of lip prints in atypical surface: A metallic straw (bombilla)

Fonseca

Bonfigli

Cantín

2014

J Forensic Dent Sci

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Background:The interaction between the offender and the victim produces visible or latent prints on objects and utensils. The study of lip prints has reportedly stayed away from the basic cinematic concept of the lip-to-surface relationship.Materials and Methods:Three regular powders were used to reveal the latent lip prints on a typical metallic straw called bombilla, and the revealed prints were photographed, preserved, and analyzed.Results:Better definition was observed in the lower lip print, and nine anatomical patterns were identified, but a higher definition of wrinkles was observed with indestructible white powder.Conclusion:Knowledge of labial dynamics, the real value of the processed surfaces, and the need for testing in field conditions are discussed.

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Section: Discussionmentioning

confidence: 98%

Experimental model of developing and analysis of lip prints in atypical surface: A metallic straw (bombilla)

Fonseca

Bonfigli

Cantín

2014

J Forensic Dent Sci

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“…Some workers have expressed the view that affine image transformations can be applied to one of a pair of corresponding radiographic images to show that they are of common origin, 22 but there are dangers in presenting such complex evidence to a court where a lay jury needs to understand the evidence clearly to decide how it relates to the issue in question. It may be more appropriate to leave the aspect ratios of the original images unchanged, relying on recreating the geometry of the AM image by taking successive images until the effort is rewarded.…”

Section: Matching Of Plain Film Radiographsmentioning

confidence: 99%

Collection and recording of radiological information for forensic purposes

Forrest

2012

Australian Dental Journal

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Forensic odontology is the application of dental expertise to legal issues. Commonly, it involves the comparison of dental records of a missing person with a deceased individual for the purposes of forensic personal identification, either in a single case, or as part of the response to an event involving multiple simultaneous fatalities (Disaster Victim Identification, or DVI). It may also involve studies to determine the age of an individual, which may be required as part of a forensic identification process, or for another legal purpose such as the determination of legal responsibility, or in connection with immigration. This report examines the types of radiological information currently used in such forensic studies, and discusses how this information may be accessed or recorded, as well as the techniques that are commonly applied to the radiological data to reach a satisfactory outcome for application in forensic casework.Keywords: Dental radiology, forensic, forensic odontology, forensic radiology, radiology.

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