Machine learning-based color image watermark embedding and detecting method
A color image, watermark embedding technology, applied in the multimedia field, can solve the problems affecting the robustness and imperceptibility of digital watermarks
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[0046] Embedding method of the present invention comprises the following steps:
[0047] Step 1: Use moment-based image normalization technology to map the original color carrier image F into the geometric invariant space, and normalize each component of the color image to obtain the corresponding normalized color image. as follows:
[0048] Step 11: extracting the RGB three components of the original color image respectively;
[0049] Step 12: Carry out grayscale image normalization processing on the R component;
[0050] Step 13: Calculate the centroid of the normalized image of the R component, and use it as the centroid of the normalized image of the G component and B component according to the definition of the invariant centroid, and perform grayscale image normalization processing on the G component and the B component respectively ;
[0051] Step 14: Combine the normalized images of the three components of RGB to obtain the corresponding normalized color image . ...
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