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
NOAA衛星画像からのコールドストリーマ抽出に関する一検討
井上 文雄長野 浩三伊藤 彰義四之宮 博爲石 日出生中 正夫
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1994 年 14 巻 3 号 p. 242-250

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Satellite infrared images enable us to recognize macroscopically ocean phenomena such as current, eddy, front and others. However, the recognition has still remained ambiguous in minute parts.
Authors investigated a theoretical method to extract cold-streamers from NOAA/AVHRR images by using knowledge information for the cold-streamers.
The cold-streamers are homogeneous cold water bands which were derived from cold water masses into warm core ring. The candidates of cold-streamer were extracted by image processing. They were examined by using the standard deviation of temperature and the fractal dimension of learning samples wich were extracted by an expert. Resultantly, the candidates were confirmed the cold-streamers.
It is considered that this procedure is useful in combination with the procedure of the extraction of warm core ring eddy for the expert system by which some oceanic phenomena were detected.

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