Images of copper weld pool are obtained from the front side of weldment using normal charge coupled device(CCD) sensor and results of image-getting with different observing windows are discussed.

• 采用普通电荷耦合(CCD)传感器从正面拍摄了铜熔池,并对不同观察窗口下的取像结果进行比较分析,找到了相对较佳、可获得较清晰的铜熔池图像的取像窗口。