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Volume 26 Issue 2
Feb.  2004
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Yun Ri-sheng, Peng Hai-liang. Two-Dimensional Phase Unwrapping for Interferometric SAR Based on Local Minimum Spanning Tree[J]. Journal of Electronics & Information Technology, 2004, 26(2): 194-199.
Citation: Yun Ri-sheng, Peng Hai-liang. Two-Dimensional Phase Unwrapping for Interferometric SAR Based on Local Minimum Spanning Tree[J]. Journal of Electronics & Information Technology, 2004, 26(2): 194-199.

Two-Dimensional Phase Unwrapping for Interferometric SAR Based on Local Minimum Spanning Tree

  • Received Date: 2002-09-23
  • Rev Recd Date: 2002-12-19
  • Publish Date: 2004-02-19
  • In this paper, a new approach to two-dimensional phase unwrapping for in- terferon ictric SAR, based on local iuiniiiiitin spanning tree is presented deriving liy branch optimum model. This approach avoids separated interferograin into isolated regions resuh- ing in incomplete unwrapped phase by traditional connecting residues methods. Guided by quality snap, the connecting of residues is proposed exactly and optimized. The experiments on real interferograni show the validity of this approach.
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  • Ghiglia D C.[J].Pritt M D. Two-Dimensional Phase Unwrapping: Theory, Algorithms, and Software.New York, John Wiley Sons Inc.1998,:-[2]Bamler R, Davidson G W. On the nature of noise in 2-D phase unwrapping[J].SPIE.1996, 2958:216-225[3]Ghiglia D C, Mastin G A, Romero L A. Cellular automata method for phase unwrapping[J].Journal of the Optical Society of America.1987, 4(1):267-280[4]Huntley J M. Noise-immune phase unwrapping algorithm[J].Applied Optics.1989, 28(15):3268-3270[5]Buckland J R, Huntley J M, Turner S R. Unwrapping noisy phase maps by use of minimum cost matching algorithm[J].Applied Optics.1995, 34(23):5100-5108[6]Goldstein R M, Zebker H A, Werner L. Satellite radar interferometry: two-dimensional phase unwrapping[J].Radio Science.1988, 23(4):713-720[7]Ahuja R K, Magnanti T L, Orlin J B. Network Flows: Theory, Algorithms, and Applications,Englewood Cliffs, Prentice-Hall, 1993: 510-536.[8]Pritt M D. Phase unwrapping by means of multigrid techniques for interferometric SAR. IEEE Trans. on Geoscience and Remote Sensing, 1996, GRS-34(3): 728-738.[9]阮秋琦.数字图像处理学.北京:电子工业出版社,2001:429-453.
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