The result of thermograph series of material surface with bottom flat hole verifies the correct of the model.It proves that this approach has high practicality for engineering.

• 该方法直接对采集到的序列红外热图进行分析，实践证明，采用人工神经网络的方法进行定量化缺陷评价是一种行之有效的新方法，且具有很高的工程实用价值。