针对一类特定的二值图形-pdf417二维图形码，提出了基于边界移位的隐藏信息嵌入算法。

Aiming at a specific binary images-PDF417 2d Barcode, a new information hiding method based on boundary shift was brought up.

youdao

支持自动编码、序列号、批号、日期、条形码及二维码的打标、软件、具有图形反打功能。

Support automatic code, serial number, batch number, date, two-dimensional bar code and code marking, software, anti-fighting capabilities with graphics.

youdao

支持自动编码、序列号、批号、日期、条形码及二维码的打标、软件、具有图形反打功能。

Support automatic code, serial number, batch number, date, two-dimensional bar code and code marking, software, anti-fighting capabilities with graphics.

youdao