摘要
BM3D(块匹配和3D去噪)算法是目前降噪性能最高的通用图像/视频降噪算法,这种算法利用的视频的空间相关性和时间相关性进行有效的降噪。BM3D算法的第一步是块匹配,但是块匹配的计算量相当大。文中提出了一种用于BM3D算法的块匹配模块的架构,该架构只需要系统频率为98MHz,带宽为177MB/s的硬件就可以实现720*576的PAL场格式BT656的视频的实时块匹配。
BM3D（Block-Matching and 3D Filtering） algorithm which is a general image/video denoising algorithm,has the best performance of denoising so far.It takes good use of the spatial correlation of the image and temporal correlation of the video.The first step of BM3D algorithm is block-matching,which needs a very large amount of computation.This paper introduces the architecture of block-matching module used in BM3D algorithm,which only needs 98MHz of system frequency,177MB/s of data bandwidth to make the real-time video denoising of 720＊576 PAL BT656 format.
出处
《信息技术》
2012年第3期24-26,共3页
Information Technology
基金
上海市科技委员会项目(10706201300)
上海应用材料研究发展基金项目(09700713900)
