基于小波变换的运动模糊图像融合研究

由于拍摄目标和成像设备之间的相对运动,往往造成获取的图像模糊.为了消除运动模糊和提高图像恢复质量,利用双线性插值和方向微分算子,采用”先粗后细”的方法,即先从退化图像中粗略确定运动模糊方向范围,然后高精度确定其具体数值.这种方法具有计算量小,精度高,稳定性好,适用范围广的优点.由于模糊图像的像素点之间的高度相关性,采用差分和自相关技术精确确定模糊尺度.由运动模糊方向和模糊尺度构造点扩展函数,然后利用不同的滤波方法得到恢复图像,采用不同的图像融合方法对恢复图像进行融合实验.实验结果表明,基于小波变换的运动模糊图像的融合方法得到的融合图像取得了较好的客观评价和主观视觉效果,具有一定的实用价值.

Research on Motion Blur Image Fusion Based on Wavelet Transform

Because of relative moving between taking pictures and imaging devices,the obtained images are always blurred.To remove the motion blur and improve the image restoration,this paper applies the bilinear interpolation,the directional differentiation operator and the method in which the range of motion direction is identified roughly and then the precise value is determined.The method has many advantages,such as less computation,high precision,good stability and wide application.Because the pixels of blurred i...