中文说明：轮廓波数字水印 sourceContour waveContour 波数字水印 sourceContour 波数字水印 sourceContour 波数字水印 sourceContour 波数字水印源数字水印 sourceContour 波数字水印 sourceContour 波数字水印 sourceContour 波数字水印 sourceContour 波数字水印源
English Description：
Contour wave digital watermarking sourceContour waveContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking source digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking sourceContour wave digital watermarking source