摘要
干涉纹图滤波是成功应用InSAR技术的关键,为了提高小波域干涉纹图滤波性能,本文将小波包滤波应用于InSAR干涉纹图滤波,论述了图像小波包分析理论,给出了干涉纹图小波包滤波关键步骤,并将其应用于卫星图像实验。实验表明:小波包InSAR干涉纹图滤波具有很好的滤波性能,本文提出的滤波方法能提高InSAR技术的滤波效果。
Interference pattern filtering is the key to the successful application of InSAR technology. In order to improve the filtering performance of wavelet domain interference pattern, wavelet packet filtering is applied to InSAR interference pattern filtering. The theory of image wavelet packet analysis is discussed and the interference pattern is given. The key steps of wavelet packet filtering are applied to satellite image experiments. Experiments show that the wavelet packet InSAR interference pattern filtering has good filtering performance. The filtering method proposed in this paper can improve the filtering effect of InSAR technology.
引文
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