According to different mark pattern recognition, a method based on the number of connectivity areas of the pattern and a method based on template match are presented.
对不同标志图案识别问题，提出了连通域数量判别法和模板匹配法。
I've changed the match on the template from / to Invoice so that I don't have to repeat this root element name at the start of each XPath expression.
我将模板匹配从 / 修改为 Invoice，这样就不需要在每个 XPath 表达式的开头部分重复根元素名称。
Add template rules that match those elements, based on their class attribute content.
增加和这些元素按照class属性内容匹配的模板规则。
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