The received image is not satisfactory over time-selective fading channel.
数字图像在时间选择性衰落信道下传输，难以获得满意效果。
In the authentication message evaluator, the features of the received image are extracted again, and an effective comparison method is used to judge the image's authenticity.
在认证消息评估器中，提取出接收图像的对应特征，并使用一种基于相似度的特征比较方法来判断该图像的可信度。
In the authentication message evaluator, the features of the received image are extracted again, and an effective comparison method is used to judge the image's authenticity.
在认证消息评估器中，提取出接收图像的对应特征，并使用一种基于相似度的特征比较方法来判断该图像的可信度。
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