【摘要】 介绍了数字图像恢复技术的原理和主要的恢复算法,针对离焦退化、运动退化和高斯退化等不同应用场合,结合各种评价函数分析比较了维纳滤波、约束最小二乘法、Lucy-Richardson和最大熵法在图像恢复中的各自特点。对实际拍摄的离焦模糊图片进行了恢复处理,比较和印证了各算法的特性。总结了各算法在图像恢复中的特点以及各种图像质量评价函数的适用范围。更多还原

【Abstract】 The principle of the digital image restoration and its main algorithms is introduced.The methods of Wiener filter,Constrained Least Square,Lucy-Richardson,and maximum entropy are analyzed and compared,in different applications such as the degradation of defocusing,motion blurred,and Gaussian blurred.Some defocus blurred pictures are restored by those methods,to validate and compare their characteristics.The property of those algorithms in image restoration,and the scope of application of the image quality-assessment functions are summarized.更多还原