基于RPC模型的IRS-P5影像正射校正

王红平; 刘修国; 罗红霞; 成晓英

doi:10.3799/dqkx.2010.061

Volume 35 Issue 3

May 2010

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Article Navigation > Earth Science > 2010 > 35(3): 485-489

WANG Hong-ping, LIU Xiu-guo, LUO Hong-xia, CHENG Xiao-ying, 2010. IRS-P5 Satellite Image Ortho Corrections Using RPC Model. Earth Science, 35(3): 485-489. doi: 10.3799/dqkx.2010.061

Citation:

WANG Hong-ping, LIU Xiu-guo, LUO Hong-xia, CHENG Xiao-ying, 2010. IRS-P5 Satellite Image Ortho Corrections Using RPC Model. Earth Science, 35(3): 485-489. doi: 10.3799/dqkx.2010.061

WANG Hong-ping, LIU Xiu-guo, LUO Hong-xia, CHENG Xiao-ying, 2010. IRS-P5 Satellite Image Ortho Corrections Using RPC Model. Earth Science, 35(3): 485-489. doi: 10.3799/dqkx.2010.061

Citation:

WANG Hong-ping, LIU Xiu-guo, LUO Hong-xia, CHENG Xiao-ying, 2010. IRS-P5 Satellite Image Ortho Corrections Using RPC Model. Earth Science, 35(3): 485-489. doi: 10.3799/dqkx.2010.061

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IRS-P5 Satellite Image Ortho Corrections Using RPC Model

doi: 10.3799/dqkx.2010.061

WANG Hong-ping^{1, 2
,},
LIU Xiu-guo^{1, 2},
LUO Hong-xia^{1, 2},
CHENG Xiao-ying^{1, 2}

1.
Faculty of Information Engineering, China University of Geosciences, Wuhan 430074, China
2.
Engineering Research Center for GIS Software and Applications, Ministry of Education, Wuhan 430074, China

Received Date: 2010-01-15
Publish Date: 2010-05-01

Abstract

Abstract

Optimizing the RPC (Rational Polynomial Coefficient) model can improve the positioning accuracy of the RPC correction model. Tacking an IRS-P5 image for example, in the cases of using 0-9 control points or using compensation model, we analyze the accuracy change of the image ortho correction. The results show that the accuracy can be improved from 55.80 m to 5.80 m when we increase the control points from 0 to 1; while the accuracy is close to 5.0 m when the number of control points is more than 5; In addition, the accuracy reach 4.0 m when we use 1 control point and compensation model. It indicates that the accuracy of ortho correction of RPC modal can substantially increase by adding control points, also can reach high correction accuracy using compensation model in the cases of missing control point.
- ortho correction,
- RPC model,
- IRS-P5,
- satellite image

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References(17)

References

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IRS-P5 Satellite Image Ortho Corrections Using RPC Model

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