For retrieving the watermarks, the author proposed a "credible bit" method, which could enhance the robustness of the watermarks.

还提出了水印的“可信比特”提取的方法，加强了水印的鲁棒性。

youdao

They were perhaps a bit more credible when talking about the genuine fun you can have online -- a notion that may have escaped many of their listeners.

CNN: Why Johnny Can't Surf