日本リモートセンシング学会誌
Online ISSN : 1883-1184
Print ISSN : 0289-7911
ISSN-L : 0289-7911
JERS-1/OPSデータによる移動物体の速度計測
高崎 健二杉村 俊郎田中 總太郎
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ジャーナル フリー

1994 年 14 巻 3 号 p. 213-219

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JERS-1/OPS has a special function to take a pair of stereo images by nadir and forward viewings. Observation time gap of about 20 seconds is contained in two images. Moving objects, e.g., ships, aircrafts, or clouds change their positions in this short period. By detecting the slight displacement of these targets, their speed vectors can be obtained.
Applying this principle for a pair of OPS images taken on September 9, 1992, a ship speed vectors map of Tokyo Bay was obtained. In this map, speed vectors of about 400 ships on the bay and two aircrafts just landing at Tokyo International Airport are included. As for cloud speed vectors, a measurement of cloud shadow displacement on the ground may give its better result.

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