How To: Digital Processing of Forensic Image Evidence. When considering forensic evidence and its applicability in the court system, there can potentially be a few issues. For example:
Evidence can be big or immovable. It may not be practical or even possible to attempt to analyze an entire vehicle or the ground a car drove across while working within the confines of a crime laboratory.
Forensic scientific practices must be reproducible by opposing experts. If work is performed directly on an evidence item, it makes it difficult for another expert to complete their own analyses on the same evidence. […]
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