パソコンによる大容量リモートセンシングデータ処理システム
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概要
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As Landsat TM data size for one full scene has about 300 Mbytes, the data are memorized in three volumes of the computer compatible tape. In general, the analysis for the large scale remote sensing data forces the use of the large computer system with the magnetic tape unit on us. Therefore, the low cost and easy analysis system for the remote sensing data is now desired. In this paper, a system to analyze the large scale remote sensing data was studied and developed by the personal computer. The authors introduced the optical magneto disk drive system to the external memory of the personal computer. The transfer tests of the large scale remote sensing data were carried out through the ethernet system from the magnetic tape to the optical magneto disk. The total transfer time for the full scene of TM data needed about 9 hours, and one for the sub-scene (90 Mbytes) needed about 2 hours and 45 minutes. If we consider the advantage to be able to access the large scale remote sensing data with the personal computer, it is not so long time. Further, a software to handle the large scale remote sensing data, which was memorized in the optical magneto disk, was developed by the personal computer. The software developed consists of the main utility programs as follows : (1) Read out the TM data from the optical magneto disk. (2) Reference image display with full color for full or sub scene of TM. (3) Clipping of study area on the full or sub scene image. (4) Classification of study area with minimum distance method. The system and the software developed may offer the easy data handling for the huge remote sensing data by the personal computer.
- 秋田大学鉱山学部の論文
- 1991-10-00
秋田大学鉱山学部 | 論文
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