基于FPGA的静脉图像双边滤波算法

Bilateral Filter Algorithm of Vein Image Based on FPGA

摘要: 双边滤波算法在给手背静脉图像进行去噪、平滑的同时可以保持静脉血管的边缘细节。基于FPGA的双边滤波算法，可以利用FPGA的并行和流水线计算的特点，加快算法的计算速度，在满足手背静脉显像系统对于实时性要求的同时，增强手背静脉图像，为后续的血管分割和提取奠定基础。

Abstract: The bilateral filter algorithm reduces noise in hand vein image while preserving edge details of vein. By implementing the bilateral filter algorithm on FPGA, features of FPGA such as parallel and pipeline processing can boost the calculation speed of the algorithm. While satisfying the real-time requirements of hand vein imaging system, this implementation can enhance the hand vein image for subsequent segmentation and extraction of vein.