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2016 最新学术期刊影响因子发布(遥感,地学,水文类)
吴秋生 2016-6-15 01:22
Thomson Reuters 刚刚发布了 2016 Journal Citation Reports (JCR) - 学术期刊影响因子(2015)。我整理出了遥感,地学,水文类的期刊。纯属我个人的分类,仅供参考! 要下载原始Excel表的请点击下面链接。 博客链接: https://gisday.wordpress.com/2016/06/14/journal-citation-reports-2016-jcr-released/ ...
5006 次阅读|没有评论
NASA and Japan make ASTER imagery available for free
吴秋生 2016-4-8 07:08
Source: http://goo.gl/f9ECIG The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is one of the instruments on NASA’s Terra satellite. Although it is a NASA satellite, the instrument belongs to Japan’s Ministry of Economy, Trade and Industry (METI). The instrument was lau ...
个人分类: 数据|2569 次阅读|没有评论
ENVI Unsupervised Classification Workflow
吴秋生 2015-3-1 04:53
Software used: ENVI 5.1 The ISODATA method for unsupervised classification starts by calculating class means evenly distributed in the data space, then iteratively clusters the remaining pixels using minimum distance techniques. Each iteration recalculates means and reclassifies pixels with res ...
4031 次阅读|没有评论

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