况且，通过统计手段来建立一个可靠的分类器，对于人类来说需要非常巨大的用例数目。
Moreover, the amount of examples needed to build a reliable classifier by statistical means is much larger than it is available for humans.
在对象结构建模中建立一个较好的分类器，寻找一个相应的对象表示方法，且这个表示方法能够用于从用例中进行推广，这是一个挑战性问题。
It is a challenge to find representations that constitute a good basis for modeling object structure and which can also be used for generalizing from examples.
基于委员会的方法试图通过合并多个弱分类器建立一个有效的委员会来构造一个更加有效的分类器。
The voting algorithms try to form a powerful classifier by combining multiple weak classifiers as a council of base-classifiers.
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