![]() ![]() The concept of using hash sets to identify suspicious files in digital forensics has been in use for a number of years, and is built into numerous forensic tools such as EnCase and FTK (Forensic Tool Kit). Several such applications have already been demonstrated, including a well-known, generic MIRROR content-based image retrieval system, as well as more specific systems such as GAMA, designed for accessing libraries of media art. ![]() INACT software is classified into a set of two applications utilising the Query by Example (QbE) approach. ![]() When officers have access to the suspect’s file system, they can use the INACT SEARCHER component to find all the media that is identical or visually similar to the samples in the database. In the proposed solution, police officers are able to archive the metadata of the media obtained during an investigation and store it in a database using the INACT INDEXER component. The result of the research and development is the INACT (INDECT Advanced Image Catalogue Tool) software. This presents a requirement for computer software to overcome this problem. It also makes it impossible for police officers to make connections between individual cases in order to track the distribution paths of such content. This significantly complicates the gathering and presenting of evidence in police investigations. Local regulations force police officers to destroy all evidence after the investigation is completed. The law applies not only to regular citizens, but also to police units. Possession of CP images is considered a crime in most countries. Since this crime is regarded as being extremely harmful, its prosecution is of the highest priority for police forces and law enforcement organizations around the world. Of these, possession of such content is punishable in 58 countries. As at 2008, 94 of 187 Interpol member states refer to CP as a crime in their code of laws. Child pornography (CP) is a term that broadly describes all multimedia and writings that depict sexual activities involving a child. ![]()
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