With recent advancements in computers, instruments and computer programming technology, the implementation of three-dimensional (3D) documentation now is becoming a standard for forensic analyses of high cost incidents and incidents involving fatalities and severe injuries. The combination of precise measuring systems and high-performance imaging scanners allows efficient and cost-effective coverage of incident areas. Rather than just collecting data describing areas of immediate interest, 3D imaging acquires data defining the entire scene, information which may be important several years later, particularly during a trial. Whether it is a motor vehicle accident, building collapse, crane accident or another large scale catastrophe, recent advancements in 3D technologies are providing quickly unprecedented quantities of valuable information to the forensic engineering industry. This paper explains 3D imaging functions, its accuracies, its limitations, required office processes, and ultimate products (deliverables). It also includes provider qualification information, professional credentials requirements, and comments regarding acceptance in legal settings.
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