A method for the production of document images on depth-staggering according to

• 1. 基于深度学习生成文档图像集的方法 [P] . 中国专利： CN112347742A . 2021-02-09
• 2. 一种基于深度学习的退化文档图像二值化方法及系统 [P] . 中国专利： CN110263610A . 2019-09-20
• 3. Translated document image production device, recording medium and translated document image production method [P] . 美国专利： US7606419B2 . 2009-10-20

  机译： 翻译文件图像制作装置，记录媒体和翻译文件图像制作方法

• 4. Translated document image production device, recording medium and translated document image production method [P] . 美国专利： US2006204111A1 . 2006-09-14

  机译： 翻译文件图像制作装置，记录媒体和翻译文件图像制作方法

• 5. A method for the production of negative and slides to the common etching vongleichzeitig images in halbtoenen and document of gravure printing plates containing with the use of transparent image - or document brackets [P] . 德国专利： DE552907C . 1932-06-18

  机译： 一种在凹版印刷的凹版印刷版和凹版印刷版的文档中制作普通底片和底片的方法，该方法使用透明图像或文档括号

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