匀速直线运动模糊图像点扩展函数的识别方法

为解决图像复原中模糊函数即点扩展函数的估计问题,介绍了图像退化的一般模型,分析了匀速直线运动模糊的退化函数,并采用基于约束最小二乘复原算法的参数误差曲线法对运动参数进行估计。实验结果表明:该方法可以提高参数的判别精度,复原图像的视觉效果和峰值信噪比都有显著提高。

Point Spread Function Identification for Uniform Linear Motion Blurred Image

Image restoration is one of the hot image processing.The key step is to estimate the point spread function in order to restore the degraded image.In this paper,the general model of image degradation is introduced,the uniform linear motion blur of the degradation function is analyzed,and a method based on constrained least squares algorithm is addressed for estimating the degraded parameter.Experimental results show that this method can improve the precision of the parameter identification and that visual effect and peak signal to noise ratio of the restored images have been improved significantly.