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A live stream infringement detection method and device

A detection method and live stream technology, which is applied in digital data information retrieval, instrumentation, calculation, etc., can solve the problems of long time-consuming index construction, inability to apply live video, low matching efficiency, etc.

Active Publication Date: 2021-08-17
ALIBABA GRP HLDG LTD
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  • Summary
  • 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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  • A live stream infringement detection method and device
  • A live stream infringement detection method and device
  • A live stream infringement detection method and device

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Experimental program
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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 present application relates to multimedia processing technology, and in particular to a method and device for detecting infringement of live streaming, which are used to detect infringement of live video. The method is as follows: taking time slices as the granularity, extracting live stream segments from live streams, dividing a live stream segment into several live stream sub-segments, extracting content features in parallel between each live stream sub-segment and converting them into features Index, and query matching of each live stream sub-segment contained in each live stream segment with each master segment contained in the master parent to determine the unit time master of the live stream relative to the master within a set time period The number of segment content feature hits, when the number of parent segment content feature hits per unit time reaches the set number threshold, determine the live stream infringement, so that the live video can be automatically monitored in real time and accurately for infringing content, and the live broadcast scene can be realized copyright protection under.

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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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/234H04N21/44G06F16/783G06K9/00
CPCH04N21/23418H04N21/44008G06V20/46
Inventor 毛锋
Owner ALIBABA GRP HLDG LTD
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