Re: [WM]: How to reduce the error caused by quantization?

[syf <shaoyf98@mails.tsinghua.edu.cn>]

the BER is inherent due to round and clip, u  can use error correcrion code here.



I insert watermarking in DCT domain, but I don't konw how to 
reduce the error caused by quantization after invert DCT?Is there
any special DCT transformation to aviod this case? 


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