2009/01/01 by Hany Farid · 1 citation
Computer Science · #Digital Media Forensic Detection #Face recognition and analysis #Advanced Steganography and Watermarking Techniques
paper · doi:10.1068/p6580
openalex publication_date 2009/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/05/21
Ever since the assassination of US President Kennedy, numerous theories have circulated purporting that Lee Harvey Oswald, the accused assassin, acted as part of a larger criminal conspiracy. It has been suggested, for example, that incriminating photographs of Oswald were manipulated, and hence evidence of a broader plot. Specifically, it has been argued that the lighting and shadows in these photos are physically impossible. Because the visual system is often unable to reliably judge 3-D geometry and lighting, a detailed 3-D analysis of the Oswald photos to determine if claims of tampering are warranted.