基于FPGA实现二维卷积滤波器的图像处理Realization of FPGA-based image processing of 2D convolution filter
周先春;郭亮可;邹宇;朱雯;
摘要(Abstract):
目前的二维卷积滤波图像处理方法本质上都是基于PC端进行算法仿真,而在将仿真算法映射到硬件平台进行实现时,处理效果不佳。针对这一问题,文中提出了基于FPGA构建多种二维卷积滤波器共同实现方案。所提方案是基于FPGA平台,通过在FPGA上进行Shift-RAM搭建,基于二维卷积核算法,做到同时实现多种图像处理,比如RGB彩色图像处理,灰度处理和图像边缘检测,并在硬件设计上对图像边界处理的映射算法进行完善。实验结果表明,所提案能够在FPGA平台上很好地实现多种基于二维卷积的仿真算法,同时,在保证处理效果的前提下,提高了处理效率。
关键词(KeyWords): 图像处理;二维卷积滤波器;系统设计;Shift-RAM构建;映射算法;结果分析
基金项目(Foundation): 国家自然科学基金项目(11202106);国家自然科学基金项目(61302188);; 江苏省“信息与通信工程”优势学科建设项目;; 江苏高校品牌专业建设工程资助项目
作者(Author): 周先春;郭亮可;邹宇;朱雯;
Email:
DOI: 10.16652/j.issn.1004-373x.2021.04.004
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