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信息隐藏与数字水印实验仓库

UADK is a general-purpose user space accelerator framework that uses the SVA technology to provide a unified programming interface for hardware acceleration computing cryptography and compression algorithms. Uadk-bigdata provides uadk solution in bigdata scenario.

本项目开源了我们在数字图像信息隐藏课程实验中提出的零失真 LSB 匹配隐写算法（Zero-Distortion LSB Matching），通过创新性地将像素修改策略转换为像素选择策略，我们实现了载密图像与原始图像在像素值上的完全一致，从而将 PSNR 推向了理论极限100dB。