3DCode. A 3D colored QR code: 一种基于QR二维码的彩色二维码编码译码设计及其软件实现。该彩色二维码提升了普通黑白二维码的防伪性能，并且编码量增大到1.5倍。该软件是首都师范大学数学科学学院研究生毕业设计研究的课题，也是研究生创新创业项目所支持的内容之一。彩色QR码兼容QR码，在QR码的图层上用色彩编码私有信息，借助于隐形光学材料，该QR码在肉眼下与普通二维码无异。

Problem

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Audience

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Market

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.

Pricing

The full read on this project is a sign-in away — what it solves, who it serves, and where it sits in the market.