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Various soft biometric traits have been used as hints in forensic investigation. Tattoo, as one of those soft biometric traits, has been used extensively because it is easy to be remembered and described by witnesses and appears very often among criminals and victims. Most of the tattoo retrieval systems currently used in police departments are still text-based systems. They depend on labels tagged...
Detecting tattoo images stored in information technology (IT) devices of suspects is an important but challenging task for law enforcement agencies. Recently, the U.S. National Institute of Standards and Technology (NIST) held a challenge and released a tattoo database for the commercial and academic community in advancing research and development into automated image-based tattoo recognition technology...
Tattoos are an important trait for criminal and victim identification and have been widely used by law enforcement agencies around the world. To facilitate it, tattoo images of prisoners, gangsters and other suspects are collected regularly. Up until now, these tattoo images are still manually annotated by law enforcement officers and text-based searching is used to retrieve tattoos of criminals and...
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