Robust video watermark embedding and extraction method and equipment as well as storage device
A technology of video watermarking and extraction method, which is applied in the field of computer vision, can solve the problems of watermark information loss and other problems, and achieve the effect of improving robustness and protection ability
Active Publication Date: 2018-01-05
芽米科技(广州)有限公司
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However, as the carrier of the watermark, the video will lose the watermark information in the process of repeated encoding, decoding, compression and storage.
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[0012] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following will further describe the implementation of the present invention in conjunction with the accompanying drawings, and the specific technical details mentioned below, such as: methods, equipment, etc., are only to make readers better Understanding the technical solution does not mean that the present invention is limited to the following technical details.
[0013] Embodiments of the present invention provide a robust video watermark embedding and extraction method, device and storage device thereof. see figure 1 , figure 1 It is the overall flowchart of the robust video watermark embedding and extraction method in the embodiment of the present invention. The method is implemented by a robust video watermark embedding and extraction device, and the specific steps include:
[0014] S101: Adjust and read the binary watermark (can be an image in BMP format). ...
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The invention provides a robust video watermark embedding and extraction method and equipment as well as storage device. The method comprises the following steps of adjusting a read binary watermark;storing a pixel value; expanding the pixel value and inserting start and end mark bits; obtaining frames of a video and setting a threshold of a pixel channel mean; screening a frame whose pixel channel mean conforms to the threshold as an embedding object; obtaining a left edge pixel horizontal coordinate value T of the frame which conforms to the threshold; embedding the watermark into the obtained video frame to obtain a video containing the watermark; parsing the video containing the watermark to obtain a video frame; obtaining a left-most edge pixel horizontal coordinate value T of the video frame; detecting a watermark flag sequence in the Tth row; and extracting the watermark according to the pixel channel mean. The robust video watermark embedding and extraction equipment and the storage device are used for realizing the robust video watermark embedding and extraction method. According to the robust video watermark embedding and extraction method and equipment as well as the storage device, the robustness of the watermark and the real-time performance of embedding and extraction are improved.
Description
technical field [0001] The invention relates to the field of computer vision, in particular to a robust video watermark embedding and extraction method, device and storage device thereof. Background technique [0002] Digital multimedia has replaced the traditional analog form. With the continuous development of network communication, digital multimedia can be copied and disseminated conveniently, which has led to increasingly serious piracy and copyright issues. Generally, digital watermarking can be used as an important means of copyright protection. However, as the carrier of the watermark, the video will lose the watermark information in the process of repeated encoding, decoding, compression and storage. At the same time, the embedding and extraction of the watermark in the video requires real-time performance, which can facilitate the embedding and extraction of the watermark. Therefore, how to improve the robustness and real-time performance of watermarking becomes ...
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IPC IPC(8): H04L29/06H04N19/467H04N21/8358H04N19/423
Inventor 任伟李扬帆
Owner 芽米科技(广州)有限公司