×

You are using an outdated browser that does not fully support the intranda viewer.
As a result, some pages may not be displayed correctly.

We recommend you use one of the following browsers:

Full text

Title
Mapping without the sun
Author
Zhang, Jixian

Figure 12. Merged image of orthorectified SAR and relief map
33
Figure 10. Local magnification of orthorectified SAR
Figure 11. Local magnification of relief map
Point Known Ortho-rectified Difference
No. Coordinates(m) Coordinates(m) (m)
East
North East North
East
North
1
22973.87
6895.80 22978.13 6915.63
4.26
19.83
2
21639.46
19029.50 21590.63 19046.88
-48.83
17.38
3
24521.58
20229.97 24521.88 20246.88
0.29
16.90
4
32013.47
16323.84 31953.13 16371.88
-60.34
48.03
5
36280.20
8097.52 36290.63 8103.13
10.42
5.61
6
31419.19
7630.11 31409.38 7628.13
-9.82
-1.98
7
23419.89
10441.22 23415.63 10484.38
-4.27
43.16
8
25002.39
11709.89 25015.63 11728.13
13.23
18.24
9
24855.49
15095.23 24859.38 15128.13
3.88
32.89
10
21723.88
13112.1021696.88 13128.13
-27.01
16.02
11
22505.11
10254.25 22496.88 10284.38
-8.24
30.12
12
24348.03
9052.356 24328.13 9078.13
-19.90
25.77
13
25610.02
6154.45 25609.38 6134.38
-0.64
-20.07
14
31001.50
16257.07 30990.63 16290.63
-10.87
33.56
15
34737.77
15215.42 34759.38 15246.88
21.61
31.45
16
35752.71
17205.23 35740.63 17234.38
-12.08
29.14
Easting rms 21.61m, Northing rms 16.95m, Horizontal rms
27.46m
Table 1: The results of accuracy check
REFERENCES:
[1] Chen H.M., Varshney P.K., Afora M. K., 2003, Perform
ance of mutual-information similarity measure for registration
of multi-temporal remote sensing images, IEEE Trans on Geo
science and Remote Sensing, 11, pp. 452~454.
[2] Harris G., Steohens M., 1988, a combined comer and edge
detector, Proceedings of the 4th A Ivey Vision Conference, Man
chester, U.K, pp. 147-152.
[3] Johnsen H., Lauknes L., Guneriussen T., 1995, Geocoding
of fast-delivery ERS-1 SAR image mode product using DEM
data, International Journal of Remote Sensing, ll,pp,1957-
1968.
[4] Vassillia K., Christol L., 2003, SAR geocoding method for
evaluating geodetic coordinates and improving indirect geocod
ing accuracy, Proceedings ofSPIE —Volume 4886, pp. 268-278.
[5] Zhang Y. H., 2001, Study of mechanism and processing of
synthetic aperture radar, Ph.D. dissertation, Wuhan Univer
sity, Wuhan, China, 150 pp.
[6] Saundercock, G.P., 1995, the Geocoding of Synthetic Aper
ture Radar Imagery and an Application to Nautical Charting,
Photogrammetric Record 15 (85): 57-64.
[7] Vencatasawmy C. P., 2000, The geometric correction of
SAR imagery for the analysis of lineaments, International
Journal of Remote Sensing, Vol 21(16): 3133 - 3138