Study of the Detection System for Onscreen Contents Shooting (Countermeasure against Information Leakage by Video Recording/Photo Shooting)
Keywords:
Contents protection, information leakage, Security system, video/photo shooting.Abstract
With the expanded use of the smartphone and
digital camera, unauthorized bringing out of information by
photo/video shooting is reported. The authors have investigated
whether detection of photo/video recording is possible focusing
on the motion of a person and the feasibility of a system that
quickly detects recording of the contents displayed on the
screen. The system detects a camera held in one hand, both
hands, and a fixing device, and uses algorisms to prevent
erroneous detection and missed detection. In the experiments
conducted for verification of the detection capability of the
prototype system, highly accurate detection capability was
demonstrated.
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