Video watermark removing method, video data publishing method and related devices
A video data and video watermarking technology, applied in the field of image processing, can solve the problems of watermark position shaking, watermark cleaning is not clean, reduce user viewing experience, etc., to achieve the effect of improving experience
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Embodiment 1
[0043] figure 1 It is a flow chart of a video watermark removal method provided by Embodiment 1 of the present invention. This embodiment of the present invention is applicable to the situation of removing watermark in video data. The method can be executed by a video watermark removal device, which can be implemented by software and / or hardware, and integrated in the device performing the method, specifically, such as figure 1 As shown, the method may include the following steps:
[0044] S101. Extract multiple frames of image data from video data.
[0045] In the embodiment of the present invention, the video data can be short video data, longer video data, or gif animation, and the format of the video data can be rm, rmvb, mpeg, mov, mtv, avi, flv, etc. Format.
[0046] In practical applications, the video data can be obtained through the short video shooting APP to perform the video shooting operation, or the video data can be obtained when the live broadcast APP perfor...
Embodiment 2
[0057] Figure 2A It is a flowchart of a video watermark removal method provided by Embodiment 2 of the present invention. The embodiment of the present invention is optimized on the basis of the foregoing Embodiment 1. Specifically, as Figure 2A As shown, the method may include the following steps:
[0058] S201. Extract multiple frames of image data from video data.
[0059] S202. For each frame of image data, detect a specified type of watermark in the image data.
[0060] In the embodiment of the present invention, the specified type of watermark is the watermark that needs to be removed from the image data. After the watermark detection algorithm detects the image data, the detection result can be obtained. The detection result includes the watermark type, confidence and position of the watermark, Wherein, the watermark type may be the identification of the copyright party adding the watermark, the confidence level may be the degree of confidence that a watermark belon...
Embodiment 3
[0082] image 3 The flow chart of a video watermark removal method provided by the third embodiment of the present invention, the embodiment of the present invention is applicable to the situation of removing the watermark in the video data, the method can be executed by the video watermark removal device, and the device can use software and / or hardware, and integrated in the device performing the method, specifically, such as image 3 As shown, the method may include the following steps:
[0083] S301. When decoding video data, sample the decoded video data at a preset sampling rate to obtain multi-frame sparse image data of the video data.
[0084] Specifically, the preset sampling rate can be determined according to the frame rate of the video data. For example, if the video frame rate is 30 frames per second, one frame of decoded image data can be sampled every second when the video data is decoded, and the sampled The image data is sparse image data. Of course, it is al...
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