The primitive image isn't needed when the watermarking is extracted, named as blind extracting.
该算法在进行水印检测时不需要原始图像，属于盲检测。
During information extracting, the algorithm can restore the original engineering drawing accurately, and meets the requirements of high-precision machining, and also realizes the blind extraction.
提取时可以精确地恢复原始工程图，满足了工程图加工精度高的要求，并且实现了盲提取。
The blind watermark was realized as the original image don't be needed when extracting watermark.
在提取水印时，不需要原始图像，完全实现了盲水印提取。
Results show blind algorithm can embed high-capacity watermarking into models, and reduce the time of extracting watermarking.
实验表明该算法能够在模型中嵌入大容量的水印消息，并减少了提取水印的时间。
Results show blind algorithm can embed high-capacity watermarking into models, and reduce the time of extracting watermarking.
实验表明该算法能够在模型中嵌入大容量的水印消息，并减少了提取水印的时间。
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