NEC has begun sales of new software to quickly find video clips in large archives, which is well-suited for finding illegal content on video sharing websites, it said Tuesday.
The company’s “Media-Serpla” software makes digital signatures for each frame in a video and stores them in a searchable database. NEC says it allows for 1,000 hours of video to be searched for a five-second clip in about a second on a standard desktop computer.
The method requires no watermarking or particular encoding to work, and NEC says it is effective for finding matches even for clips that have had their brightness or resolution altered, or have been bootlegged in lower quality. It has been adapted into the International Organization for Standardization (ISO) specification for MPEG-7, a standard for describing and searching multimedia content.
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