短語詞組短語digital image watermarking technology 數(shù)字水印技術(shù);數(shù)字圖像水印技術(shù)digital image watermarking algorithms 圖像水印算法digital audio watermarking 音頻水印;數(shù)字音頻水印;音頻數(shù)字水印;數(shù)字聲音水印技術(shù)digital video watermarking 數(shù)字眡頻水印digital text watermarking 數(shù)字文本水印digital images watermarking 圖像數(shù)字水印digital image watermarking 數(shù)字圖像水印fragile digital image watermarking 脆弱數(shù)字圖像水印digital fragile watermarking 數(shù)字易碎水印 返回 digital watermark