It don't need to add any ideograph or watermark in the digital images, the authentication only depend on the characteristics of the images.
它事先不需要往图像数据中添加任何签名或水印信息，仅仅依靠图像自身的特性进行认证。
It don't need to add any ideograph or watermark in the digital images, the authentication only depend on the characteristics of the images.
它事先不需要往图像数据中添加任何签名或水印信息，仅仅依靠图像自身的特性进行认证。
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