说明：  在图像分析与识别中，有一种巧妙的分类器设计方法叫做Ada_boost，它在近年来以其良好的性能和易于理解的特点引起广泛的关注，并在各种领域被成功运用，大大提高了分类器的性能。
(in Image Analysis and Recognition, there is a clever design classification method called Ada_boost. In recent years, with its good performance and easier to understand the characteristics caused widespread concern, and in various fields have been successfully used, significantly enhancing the performance of the classifier.)