1. A NEW ROAD EXTRACTION APPROACH FOR LOW-FREQUENCY SAR IMAGES BASED ON ROAD APPURTENANCE DETECTION Qian Song, Yu-min Wang, Yun-fei Shi, Tian Jin National University Of Defense Technology Changsha, China [email_address]

2. Road Extraction Feature Fusion to Improve Road Network Extraction in High-Resolution SAR Images Gianni Lisini and Paolo Gamba of University of Pavia, etc. IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, VOL. 3, NO. 2, APRIL 2006 from A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

7. The Low-frequency SAR Case A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc. Data from a flight experiment of an airborne UWB SAR system develop-ed by NUDT, in Summer 2010

8. The Low-frequency SAR Case A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc. The histograms of roads and background (with strong clutters suppressed)

9. The Low-frequency SAR Case clutter attenuation A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

10. The Low-frequency SAR Case A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

11. Alternative Way Road Appurtenances A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

13. Algorithm Flow A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

14. The Original Image A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

15. ROI Extraction A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

16. After Enhanced Lee Filtering A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

17. After Morphologic Filtering A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

18. After Clustering A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

20. ROI Discrimi- nation A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

22. After Classification A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

23. ROI Discrimi- nation A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

25. After Geometrical Discrimination A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

26. Road Extraction A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.

27. Final Result A New Road Extraction Approach for Low-frequency SAR Images Based on Road Appurtenance detection ， Qian Song, etc.