遥感图像的无缝处理算法

Seamless Processing Algorithm for Color Remote Sensing Image

分析遥感影像色彩差异的成因,讨论了遥感影像无缝处理涉及的关键技术和典型算法,并在此基础上提出了一种遥感影像无缝处理的解决方案。该方案先对每幅图像进行匀光处理,再采用四叉树色彩平衡算法,使得图幅间的色彩趋向一致,然后采用平滑滤波消除图幅边界。研究结果表明:该方法对于遥感图像的色彩均衡以及边缝消除有较好的效果,同时还具有算法简单、易于实现的特点。

The paper analyzes the reasons resulting in color differences among adjacent RS images and it also discusses the key techniques and typical algorithms related to RS image seamless processing. Based on detailed analysis, a new seamless processing solution is proposed. Each RS image is first filtered to uniform its intensity, and then quad-tree based color balancing method is adopted to maintain color consistency among RS images. To improve the visual effects, smoothing filter is used along image borders. The simulation results show that the proposed solution can effectively remove borders among RS images to achieve good visual effects, and be easily implemented as its simplicity.