Two proposals raised as focal points in the text are: Firstly embody feature from principle, including non-contravention principle and operating principle.

本文重点提了两条建议：一是从原则体现特色。包括不抵触原则和可操作原则。

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However, due to the image noise, feature extraction algorithm, as well as local similarity of non-stereo matching points, there must be some false matching between the images.

然而，由于图像噪声、特征点提取算法以及非匹配点的局部相似性和遮挡的影响，相关匹配中必然存在较多的误匹配。

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