GEOMETRIC CORRECTION METHODS OF SPOT5 1A DATA BASED <br />
ON GPS-MEASURED GROUND CONTROL POINTS

doi:10.6046/gtzyyg.2007.04.10

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Abstract

Using the high resolution ground control points measured by satellite-based DGPS (Differential Global

Positioning System), this paper compared two geometric correction methods for SPOT5 data and analyzed the causes

of correction errors. The results show that the accuracy of the orthorectification model method is better than

that of the polynomial method. The errors of the polynomial method in Y axis are bigger than those in X axis, but

the error difference in Y axis and in X axis is not obvious for the orthorectification model method. The pixel

distortion caused by the satellite observation angle is the main cause for the bigger errors of the polynomial

method.

Keywords Remote senisng information Vegetation Biogeochemistry Gold prospect areas

TP75　

Issue Date: 23 July 2009

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	Ma Yueliang
	Xu Ruisong

Cite this article:

Ma Yueliang,Xu Ruisong. GEOMETRIC CORRECTION METHODS OF SPOT5 1A DATA BASED
ON GPS-MEASURED GROUND CONTROL POINTS[J]. REMOTE SENSING FOR LAND & RESOURCES, 2007, 19(4): 47-50.

URL:

https://www.gtzyyg.com/EN/10.6046/gtzyyg.2007.04.10 OR https://www.gtzyyg.com/EN/Y2007/V19/I4/47

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