In order to control the quality of welding by image processing and pattern recognition, the clear image of the welding pool of aluminum alloy and the information of the welding pool must be obtained.

为了采用图像处理与模式识别的方法对铝合金的焊接质量进行智能控制，必须获取铝合金焊接熔池的清晰图像，然后提取焊接熔池的信息。

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