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This article introduced the progress of processing the WorldView-1 satellite image by using the air triangulation method.And different adjustment models were used to improve the vendor provided RPC (Rational Polynomial Coefficients) accuracy.WorldVfew-1 images in Beijing are used to test the correction accuracy of these adjustment models.Results show that the systematic errors of RPC model can be eliminated using a small amount of control points.The planar RMSE can reach 1.6 pixels(0.9 meter).