Method and apparatus for monitoring video copy base on content

Abstract

The invention discloses a content-based video copy monitoring method and a device, and aims to solve the problem of higher consumption for content-based video copy monitoring resources. The method comprises the following steps: extracting a portion of video frames as the video frame to be monitored from videos to be monitored according to the predefined extract rules through the network; extracting the characteristic vector of the video frames to be monitored; and selecting the characteristic vector of a key frame similar to the video frame to be monitored from the key frame characteristic vectors of objectionable videos in a video fingerprint database, wherein the distance between the similar key frame characteristic vector and the characteristic vector of the video frames to be monitored is smaller than a given matching threshold. By selecting a portion of the video frames as the video frame to be monitored, the method can acquire the key frame without a large amount of calculation, and the video acquired through the network has less content and needs less storage space after downloading, thereby reducing the resource consumption during the monitoring.

Description

technical field [0001] The invention belongs to the field of multimedia, and in particular relates to a content-based video copy monitoring method and device. Background technique [0002] Content-based video copy detection (CBCD: Content-based Copy Detection) is an important technology developed in recent years, and it is widely used in content-based piracy detection, advertisement detection and other fields. CBCD consists of two steps: [0003] (1) According to the eigenvectors of each key frame of the sensitive video obtained by calculation, generate the fingerprint of the sensitive video, and set up the video fingerprint library; [0004] (2) Obtain the video to be monitored, generate the fingerprint of the video to be monitored according to the eigenvector of the key frame of the video to be monitored according to the calculation, and perform query matching in the video fingerprint database to determine whether there is a copy identical to the content of the video to b...

AI Technical Summary

Problems solved by technology

[0016] In order to solve the problem of high resource consumption in existing content-based video copy monitoring, an embodiment of the present invention provides a content-based video copy monitoring method, including:

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