写真測量とリモートセンシング
Online ISSN : 1883-9061
Print ISSN : 0285-5844
ISSN-L : 0285-5844
幾何歪みの標高依存性を利用したJERS-1/SAR画像の簡易接合
竹内 章司
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ジャーナル フリー

1997 年 36 巻 1 号 p. 39-45

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An easy method for mosaicking JERS-1/SAR images was developed. According to the simulation for generating foreshortening distortion in side-lapped areas of two adjacent JERS-1/SAR images in range direction, it was proved that the differences of foreshortening distortion between the two images are decided uniquely only by surface elevation and they are not affected by the position in the side-lapped areas. It was also proved that the difference of the distortion changes in a linear relationship to the elevation value. An algorithm based on above characteristics of foreshortening distortion was tested using JERS-1/SAR images and digital elevation model with 250m grid from national digital land information and this algorithm worked well to create the mosaicked SAR image with no geometric discontinuity at the connection line of the two SAR images.

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© 社団法人 日本写真測量学会
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