DWT域数字水印算法的FPGA实现

Implementation of DWT domain digital watermarking algorithm based on FPGA

根据离散小波变换原理的特点,提出了一种基于DWT域的数字水印算法,并用FPGA硬件实现其中关键部分的DWT变换。详细介绍了相关模块的设计和时序,并对整个系统进行了综合仿真,验证了设计的正确性。分析与仿真结果表明,与软件实现相比,用FPGA实现水印算法具有高速实时处理的优点。

In this paper,a digital watermarking algorithm based on DWT domain is presented,and the DWT transform,which is the key part of the digital watermarking.The design and time sequence of the module structure are described in detail.The design is verified the correctness after simulation and synthesis.The analysis and simulation results show that FPGA-based digital watermarking algorithm implementation method has the advantage of high speed real-time processing over the software-based watermarking algorithm.