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中文摘要：
根据某型航空侦察CCD相机的工作原理,提出了一种适用于该相机图像的快速拼接方法。首先运用相机工作参数估计相连图像间仿射变换模型参数,进而初步确定图像重叠区域;然后在估计的重叠区域内采用互相关配准方法精确估计配准参数;最后采用双线性插值方法对图像重叠区域进行融合。实际运行结果表明,该方法不仅能有效减少图像拼接时间,降低图像处理硬件系统的要求,而且能够有效消除单一互相关方法中的误匹配点,拼接结果可满足系统指标要求。
英文摘要：
A fast image mosaic method is proposed for an aerial reconnaissance CCD camera.In this method,parameters of affine transformation were first evaluated by using the work parameters of the camera,which can supply a rough registration area of images.Then,the image cross-correlation was employed to obtain a higher precision in the affine transformation parameters by searching this rough area.Finally,a bilinear interpolation method was used to fuse the overlapping area of images.Experimental results of this method prove that it can reduce the processing time effectively,abate the requirements for image processing hardware,and prevent the wrong matching caused by only using cross-correlation method.Images generated by the method can meet the requirements of camera systems.
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