Aiming at shortcomings of the traditional damage assessment model based on pixel-level change detection, this dissertation proposes a new model based on change target features vector analysis.

针对传统的基于像素级变化检测的打击效果评估系统的不足，提出了基于变化目标特征向量分析的打击效果评估系统。

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Consequently, traditional change detection methods whether based on pixel level or based on classification can not produce enough accuracy.

传统的基于像素的变化检测方法和基于分类的变化检测方法均难以获得理想的检测效果。

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Consequently, traditional change detection methods whether based on pixel level or based on classification can not produce enough accuracy.

传统的基于像素的变化检测方法和基于分类的变化检测方法均难以获得理想的检测效果。

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