Image is decomposed in the first step of the wavelet transformation fusion. And then each level component is analyzed for obtaining the most related image level, and at last, the images based on wavelet direction contrast gradient are fusion.
基于小波变换的融合方法的主要步骤是,先分解图像,分析各个层次图像的相关关系,确定最优的分解层次,依据小波方向对比度融合规则融合图像,经过仿真实验证明在层次融合选取上本方法更科学,得到的融合图像的边缘更清晰。
参考来源 - 变换域图像层次相关分析的遥感图像融合方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The image fusion is performed by the direction contrast and region standard deviation to get the fused 4-subband image pyramid. The final fused image is formed with the subband image reconstruction.
然后利用方向衬比度和区域标准差进行图像融合得到融合的4子带图像金字塔，最后应用子带图像重构得到融合图像。
In contrast, by immediate entrance to university they can not steer the direction of their study well and may display a poor combination of the theory with practice.
相对比之下，直接进入大学学习的话，他们不能够把握学习的方向，而且有可能会产生理论和实践相脱节。
"Caring" might reflect an interface direction with soft colors and shapes, whereas "guiding" might represent an interface with more contrast and decisive lines.
“体贴”直接反映在界面上可能就成为柔和的色彩和形状，而“善于引导”则描述了一个对比度更强和线条更明确的界面。
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