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The 1996 Child Pornography Prevention Act (CPPA) extended
the existing federal criminal laws against child pornography to
include certain types of "virtual porn". In 2002, the United States
Supreme Court found that portions of the CPPA, being overly broad and
restrictive, violated First Amendment rights. The Court ruled that
images containing an actual minor or portions of a minor are not
protected, while computer generated images depicting a fictitious
"computer generated" minor are constitutionally protected. In this
report I outline various forms of digital tampering, placing them in
the context of this recent ruling. I also review computational
techniques for detecting doctored and virtual (computer generated)
Bibliographic citation for this report: [plain text] [BIB] [BibTeX] [Refer]
Or copy and paste:
Hany Farid, "Creating and Detecting Doctored and Virtual Images: Implications to The Child Pornography Prevention Act ." Dartmouth Computer Science Technical Report TR2004-518, September 2004.
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