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Infringement detection method and device for live broadcast stream

A detection method and live streaming technology, which is applied in instrumentation, calculation, selective content distribution, etc., can solve problems such as long time-consuming index construction, inability to apply live video, and low matching efficiency

Active Publication Date: 2018-11-23
ALIBABA GRP HLDG LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the above three video infringement detection schemes are all for infringement detection of offline videos to be queried, and their index construction takes a long time, and the matching efficiency is low, so they cannot be applied to the live video scene

Method used

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  • Infringement detection method and device for live broadcast stream
  • Infringement detection method and device for live broadcast stream

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Embodiment Construction

[0143] In order to automatically monitor the infringing content of the live video in real time and accurately, and realize the copyright protection in the live broadcast scene, in the embodiment of this application, the video image content of the copyright video is analyzed in advance, and various content features are quickly extracted, and then the extracted The various content features extracted are stored in the feature library and indexed, wherein the so-called content features refer to the texture, color, edge, shape, local feature point, motion vector, etc. of the image obtained from the content of the video image itself, rather than Metadata features such as keywords, tags, links, etc. Then, when obtaining the video image content of the live stream, quickly obtain the content features of the live stream in the same way, and perform feature search and matching in the feature library to determine the live stream Whether the video image content of the video contains infring...

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Abstract

The invention relates to the technology of multimedia processing and particularly relates to an infringement detection method and device for a live broadcast stream. The method and the device are usedfor realizing infringement detection of a live broadcast video. The method comprises the steps of taking a time slice as granularity, extracting live broadcast stream segments from the live broadcaststream, for each live broadcast stream segment, dividing the live broadcast stream segment into a plurality of live broadcast stream sub-segments, extracting content features among the live broadcaststream sub-segments in parallel, and converting the content features into feature indexes; carrying out feature index query matching on the live broadcast stream sub-segments contained in each live broadcast stream segment and each body segment contained in a body, thereby determining unit time body segment content feature hit times of the live broadcast stream relatively to the body within a settime period; and judging that the live broadcast stream infringes copyright when it is determined that the unit time body segment content feature hit times reaches a set times threshold. Infringementcontent of the live broadcast video can be accurately and automatically monitored in real time, and copyright protection in a live broadcast scene is realized.

Description

technical field [0001] The present application relates to multimedia processing technology, and in particular to a method and device for detecting infringement of live streaming. Background technique [0002] With the rapid development of Internet technology, live video as a new way of content dissemination has been widely used. The use of live video can provide users with the latest video content in a timely manner, which greatly improves user experience and video transmission efficiency. However, live video also provides a new channel for copyright infringement of video content, which not only causes losses to video content owners, but also brings huge risks of violations to Internet platform operators and operators. [0003] Since live video is generated and disseminated in real time, there are thousands of live streams on the Internet every day. If manual review is used for infringement detection, the cost is huge and the efficiency is low. [0004] However, in the pri...

Claims

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Application Information

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IPC IPC(8): H04N21/234H04N21/44G06F17/30G06K9/00
CPCH04N21/23418H04N21/44008G06V20/46
Inventor 毛锋
Owner ALIBABA GRP HLDG LTD
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