Taking two neighboring scenes SPOT5 satellite data of the Liupanshui City of Guizhou Province,based on the scale of 1∶10 000 DRG as ground control points of reference and different scales accuracy of the DEM for the ...Taking two neighboring scenes SPOT5 satellite data of the Liupanshui City of Guizhou Province,based on the scale of 1∶10 000 DRG as ground control points of reference and different scales accuracy of the DEM for the images ortho-rectification which compared test,it was analyzed in detail the effect of incidence angle and different scales accuracy of the DEM for the accuracy of the results of SPOT5 ortho-image.On the analysis,it was found that the incidence angle was an important factor leading to the "layover" in SPOT5 ortho-image.It will provide the important basis for the next step of eliminating this phenomenon.展开更多
文摘Taking two neighboring scenes SPOT5 satellite data of the Liupanshui City of Guizhou Province,based on the scale of 1∶10 000 DRG as ground control points of reference and different scales accuracy of the DEM for the images ortho-rectification which compared test,it was analyzed in detail the effect of incidence angle and different scales accuracy of the DEM for the accuracy of the results of SPOT5 ortho-image.On the analysis,it was found that the incidence angle was an important factor leading to the "layover" in SPOT5 ortho-image.It will provide the important basis for the next step of eliminating this phenomenon.