Watermark superposition and recovery method and device
The embodiment of the invention provides a watermark superposition and recovery method and device, is applied to the technical field of information, and can identify the pixel feature of each pixel point in a to-be-processed image; calculating a target index value according to the identified pixel f...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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