求教BP监督分类问题

<P>    我想将原始影象分类好的roi,用在另一张融合的影象上做BP监督分类的roi,这样做行的通吗?具体该如何做?</P>
<P>     还有BP监督分类完后,生成的图象是RULE的图象,它和通常的图象有什么区别吗,如何把它转成ERDAS的IMG格式.</P>
<P>    谢谢了.</P>

<P>  1.      Classification-->Post Classification -->Rule Classifier. </P><P>............................</P><P>         Click the Quick Apply button. A classification image based on the current settings is displayed in a new display window. </P><P>2       Saving the Classification Image </P><P>To save the displayed classification image to a file, click the Save to File button and enter or choose an output filename(HDF FORMAT ).    </P><P>3 RELAX     MYSELF.</P><P> </P><P>            </P>