IEEE Security and Privacy

Enabling video privacy through computer vision

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In recent years, closed-circuit television (CCTV) cameras have gained widespread use worldwide. Human operators monitor CCTV systems, unobtrusive or deliberately hidden cameras allow spying and voyeurism, and video surveillance, which make CCTVs a tool for state control and oppression. The use of surveillance is spreading as the hardware becomes more affordable, video camera prices trumbled in recent years as technology has improved and production quantities have increased. encryption of data that is stored digitally ensure that stealing surveillance tapes or eavesdropping on transmission does not allow access to the video's content.