Abstract

Image watermarking capacity is an evaluation of how much information can be hidden in a digital image. Watermarking capacity research studies how to transmit more watermark information. In watermarking schemes, the image is considered as a communication channel to transmit messages. Watermark power should be constrained according to the content of the image. We analyse the shortcomings of some previous watermarking capacity methods and present a watermarking capacity method using the noise visibility function, and discuss the watermarking capacity of blind watermarking and non-blind watermarking.

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