GB/T 23865-2009
ActiveThe scaled photography method
比例照相规则
Application Summary AI generated
GB/T 23865-2009 specifies the rules for using scaled photography in forensic and crime scene documentation. It defines how to place measurement scales in images to enable accurate size determination of evidence, such as footprints, tool marks, or bloodstains. This standard is applied by public security agencies and forensic laboratories in China to ensure photographic evidence meets legal and investigative requirements.
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