【2．4．9．131 1．4．2特征点方法（Feature Points） 一段时间以来，使用FPA方法的技术人员认识到，有些种类的应用项目如果按照 希望的那样使用FPA方法其实并不适合。
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介绍了一种基于自然特征点的增强现实注册方法。
A method of registration of augmented reality based on natural characteristics is introduced.
此系统应用小波降噪的方法提高测试信号的质量，然后提取信号特征点，得到溢流阀动态特性的各项参数。
Applying wavelet denoise to improve the test signal, the dynamic characteristic parameters of a overflow valve were obtained by selecting characteristic point of the signal.
针对基于图像特征点的配准方法中对应特征对难以准确提取的问题，提出一种基于兴趣点匹配的图像自动拼接方法。
Since the corresponding pair of feature points was difficult to be extracted in feature points registration methods, an image mosaic method based on interest point matching was presented.
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