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<p align=center style='text-align:center'><em><b><span style='font-size:18.0pt;
font-family:宋体;mso-bidi-font-family:宋体;color:#333399'>图像分割区</span></b></em></p>
<p><strong><span style='font-family:宋体;mso-bidi-font-family:宋体'>图像分割区的功能面板如下图所示:</span></strong></p>
<p align=center style='text-align:center'><span lang=EN-US style='font-size:
10.0pt'><img width=143 height=144 id="_x0000_i1025"
src="http://www.csuzhm.go.nease.net/function/thresh/fc.jpg" align=baseline></span></p>
<p><span lang=EN-US style='font-size:10.0pt'> 图像分割区的功能主要是对当前工作区的图片进行图像分割处理。对于真彩色格式图片,可以从Red、Green和Blue三维角度对图片进行分割,分别提取感兴趣的灰度区域;对索引色格式图片,先转化成真彩色格式图片再进行处理;对灰度格式图片和二值格式图片,只能从一维角度提取感兴趣的灰度区域。图像分割<span
class=GramE>的阀值范围</span>为0到255,此范围包括所有的灰度区域。例如,如果对某灰度格式图片100-125的灰度范围内的区域感兴趣,可以输入参数100和125,则灰度在这个区域的部分将被选择出来,以白色显示,<span
class=GramE>未选择</span>的灰度区域将以黑色显示。真彩色格式图片处理同上,只是可以分别对Red、Green和Blue三维的灰度分别进行处理,然后合成其处理结果。注意,对于二值格式图片及其后续处理的图片,它的灰度只有0和255两种取值。</span></p>
<p><span lang=EN-US style='font-size:10.0pt'> 下面是图像分割前的灰度图片 图1 <span
class=GramE>及经过</span>图像分割后所得到的结果 图2,输入参数为100和200:</span> </p>
<p align=center style='text-align:center'><span lang=EN-US style='font-size:
10.0pt'><img width=256 height=256 id="_x0000_i1026"
src="http://www.csuzhm.go.nease.net/function/thresh/fc1.jpg" align=baseline></span></p>
<p align=center style='text-align:center'><span style='font-size:10.0pt'>图<span
lang=EN-US>1</span></span></p>
<p align=center style='text-align:center'><span lang=EN-US style='font-size:
10.0pt'><img width=256 height=256 id="_x0000_i1027"
src="http://www.csuzhm.go.nease.net/function/thresh/fengge100200.jpg"
align=baseline></span></p>
<p align=center style='text-align:center'><span style='font-size:10.0pt'>图<span
lang=EN-US>2</span></span></p>
<p><span lang=EN-US style='font-size:10.0pt'> 下面是图像分割前的彩色图片 图3 <span
class=GramE>及经过</span>图像分割后所得到的结果 图4,输入参数为:Red 100 ,200 ;Green 100 ,255 ;Blue
100 ,200 :</span> </p>
<p align=center style='text-align:center'><span lang=EN-US style='font-size:
10.0pt'><img width=350 height=258 id="_x0000_i1028"
src="http://www.csuzhm.go.nease.net/function/thresh/fc255.jpg" align=baseline></span></p>
<p align=center style='text-align:center'><span style='font-size:10.0pt'>图<span
lang=EN-US>3</span></span></p>
<p align=center style='text-align:center'><span lang=EN-US style='font-size:
10.0pt'><img width=350 height=258 id="_x0000_i1029"
src="http://www.csuzhm.go.nease.net/function/thresh/fengge255.jpg"
align=baseline></span></p>
<p align=center style='text-align:center'><span style='font-size:10.0pt'>图<span
lang=EN-US>4</span></span><span lang=EN-US> </span></p>
<p align=center style='text-align:center'><span lang=EN-US><a
href="http://www.csuzhm.go.nease.net/function/function.htm"><strong><span
style='font-family:宋体;mso-bidi-font-family:宋体'>返回 </span></strong></a></span></p>
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