ï¼1. Consider an image <math>X</math> of <math>M \times N</math>, and the binary watermark <math>\mathbf{W}</math> of size <math>M_W \times N_W</math>. | ï¼1. Consider an image <math>X</math> of <math>M \times N</math>, and the binary watermark <math>\mathbf{W}</math> of size <math>M_W \times N_W</math>. |