Phase unwrapping of SAR interferogram based on dyadic wavelets

Xinwu Li1, Huadong Guo1, Changlin Wang1, Zhen Li1, Jingjuan Liao1
1The Laboratory of Remote Sensing Information Science, Institute of Remote Sensing Applications, Chinese Academy and Sciences, Beijing, China

Tóm tắt

A new phase unwrapping algorithm based on fringe line detection is presented. Dyadic wavelet theory is used to extract the multi-scale edge of an SAR interferogram. The phase characteristic of the interferogram are derived utilizing an active contour algorithm of the gradient vector flow.

Từ khóa

#Remote sensing #Active contours #Image edge detection #Curve fitting #Wavelet transforms #Delta modulation #Information science #Phase detection #Equations #Concrete

Tài liệu tham khảo

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