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Video watermark adding and extracting method and device, video playing end and storage medium

A technology for video watermarking and video playback, applied in the multimedia field, can solve problems such as increased cost and inability to provide watermarks, and achieve the effect of low cost

Active Publication Date: 2020-03-20
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the main disadvantage of this method is that the watermark must use a dedicated chip that supports watermarking, and the chip must be certified by the DRM manufacturer, and the certification fee must be paid to the DRM manufacturer, so not only the cost increases, but also the watermarking function cannot be provided on the existing set-top box.

Method used

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  • Video watermark adding and extracting method and device, video playing end and storage medium
  • Video watermark adding and extracting method and device, video playing end and storage medium
  • Video watermark adding and extracting method and device, video playing end and storage medium

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Embodiment Construction

[0037] The technical solutions of the present invention will be further described in detail below in conjunction with the drawings and specific embodiments of the description. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0038] Such as figure 1As shown, in one embodiment, an architecture diagram of an application scenario using the video watermarking method provided by the embodiment of the present invention is provided, the architecture includes a video playback terminal 100 and a satellite receiving terminal 200, and the video playback terminal 1...

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Abstract

The embodiment of the invention discloses a video watermark adding and extracting method and device, a video playing end and a storage medium, and the method comprises the steps: obtaining watermark information; generating a watermark transparent picture carrying the watermark information according to the watermark information, wherein the watermark transparent picture is used for being mixed intoa video playing picture during video playing. The video watermark extraction method comprises the following steps: extracting a target video frame mixed with a watermark transparent picture in a video playing picture; and obtaining watermark information carried by the corresponding watermark transparent picture according to the pixel point information in the target video frame.

Description

technical field [0001] The present invention relates to the field of multimedia technologies, in particular to a video watermark adding method and device, a video watermark extracting method and device, a video player terminal and a computer storage medium. Background technique [0002] With the rapid development of the mobile Internet, the video playback business has developed rapidly, and more and more users are using terminals to watch multimedia videos. At the same time, the degree of attention to infringements of unauthorized access to video resources has gradually increased. In order to prevent the theft of video resources, content providers generally add watermark information invisible to the naked eye to the video content, and then extract the watermark through certain technical methods. hold accountable. [0003] At present, to add video watermarks in the industry, it is generally used to extract video key frames, and add transparent watermark information to the ai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/467H04N21/435H04N21/4402H04N21/8358
CPCH04N21/8358H04N19/467H04N21/435H04N21/4402
Inventor 王峰
Owner ZTE CORP