It can authenticate the possession of originality data that have embedded a secretinformation - watermarks.
它通过在原始数据中嵌入秘密信息──水印(watermarks)来证实该数据的所有权归属.
Digital watermarks have also find its usage in secret communication communication counterwork.
数字水印技术在隐蔽通信及其对抗等领域中也具有非常重要的用途.
Cleaning demineralized water in the bathtub, tableware, tea sparkling spots without watermarks.
四:用软化水清洗的浴缸 、 餐具 、 茶具晶莹剔透无水渍斑点.
This article was originally published with the title Higher Watermarks.
来自SA
First are a few simple features—such as watermarks and security threads—that are relatively easy for the general public to spot.
来自ECONOMIST