![](<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /windid/index.php was not found on this server.</p>
<p>Additionally, a 404 Not Found
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.0.63 (Win32) PHP/5.2.14 Server at www.gisempire.com Port 80</address>
</body></html>/avatar/000/02/56/25610_small.jpg)
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<P>我看了一些资料上说的，做了2倍标准差拉伸（2 standard deviation linear contrast stretch），但我在viewer|raster|contrast adjust|下的Contrast Adjustment里面做2倍标准差拉伸... 全文
2005-05-15 00:54 来自版块 - 遥感应用技术(RS)
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<P>我看了一些资料上说的，做了2倍标准差拉伸（2 standard deviation linear contrast stretch），但我在viewer|raster|contrast adjust|下的Contrast Adjustment里面做2倍标准差拉伸... 全文
2005-05-15 00:51 来自版块 - Erdas Imagine
![](<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /windid/index.php was not found on this server.</p>
<p>Additionally, a 404 Not Found
error was encountered while trying to use an ErrorDocument to handle the request.</p>
<hr>
<address>Apache/2.0.63 (Win32) PHP/5.2.14 Server at www.gisempire.com Port 80</address>
</body></html>/avatar/000/02/56/25610.jpg)