计算机科学 ›› 2013, Vol. 40 ›› Issue (Z11): 314-317.
程燕
CHENG Yan
摘要: 本文提出一种改进的Cycle-spinning多帧Contourlet域图像去噪算法。根据视频序列连续帧间存在的运动信息,使用帧间位移矢量来代替平移技术对图像进行Contourlet去噪,基于帧间相关性不同的特点,改进Cycle-spinning变换为加权平均以消除伪吉布斯现象。实验结果显示该方法能有效去除各种类型的图像噪声,保留图像的细节和纹理信息,峰值信噪比(PSNR)有显著提高。
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