Method for embedding robust and reversible watermark
A technology of watermark embedding and robust watermarking, which is applied in image data processing, instrumentation, image data processing, etc., can solve the problems of poor robustness of reversible watermarking and no resistance to JPEG compression, etc., to achieve consolidating robustness, improving efficiency, Guaranteed Robust Effects
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[0055] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0056] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0057] Such as figure 1 As shown, the robust reversible watermark embedding method of the embodiment of the present invention includes the following steps:
[0058]S101: Perform jpeg compression on the IW to obtain the picture IW_comped;
[0059] S102: Process the IW_comped low-pass filter to obtain the picture I1';
[0060] S103: Perform edge processing on I1' to obtain picture I2';
[0061] S104: Divide I2' into blocks (each block is 64*64 in size);
[006...
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