A UNIFIED SOLUTION FOR DIGITAL TERRAIN MODEL AND ORTHOIMAGE GENERATION FROM SPOT STEREOPAIRS

NCU Institutional Repository > 研究中心 > 太空及遙測研究中心 > 期刊論文 > Item 987654321/27700

jsp.display-item.identifier=請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/27700

题名:	A UNIFIED SOLUTION FOR DIGITAL TERRAIN MODEL AND ORTHOIMAGE GENERATION FROM SPOT STEREOPAIRS
作者:	CHEN,LC;RAU,JY
贡献者:	太空及遙測研究中心
日期:	1993
上传时间:	2010-06-29 18:52:32 (UTC+8)
出版者:	中央大學
摘要:	An original scheme to automatically generate digital terrain models, DTM's, and orthoimages from SPOT stereopairs in a unified way is presented. In addition to modeling the time-dependent orientation parameters, we developed an algorithm to generate the epipolar stereomate incorporating an initial DTM. The refining of the DTM is then accomplished by performing least squares templet matching along each conjugate epipolar line pair, space intersection, and grid value interpolation. Recursively, the epipolar stereomate is regenerated according to the refined DTM. The procedure is repeated until the disparities between the two stereomate images are small enough. The DTM that we generated illustrates the ''apparent'' surface. It is more correct to use this ''apparent'' DTM than the one depicting the ''ground'' surface for the geometric correction for remotely sensed data. Both images of the final epipolar stereomate are actually orthoimages because they are geometrically identical and georeferenced. Experimental results indicate that the orthoimages reach an accuracy up to 2/3 pixels. The rms of the disparities between the two orthoimages, which describes the geometrical identification of the images when the DTM is revised, is less than 1/3 pixels in each of the two test cases.
關聯:	IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
显示于类别:	[太空及遙測研究中心] 期刊論文

文件中的档案:

档案	描述	大小	格式	浏览次数
index.html		0Kb	HTML	719	检视/开启

在NCUIR中所有的数据项都受到原著作权保护.

社群 sharing

数据加载中.....