According to the model of the welding position, giving a weld seam point, the weld orientation then can be resolved from the weld rotation Angle and the weld slope Angle.
根据焊缝位置的数学模型，得到了描述焊缝焊接位置的参数——焊缝转角和焊缝倾角与焊缝姿态的关系。
The Beamlet transform was introduced to detect the line segment characteristic of the structured light in the image to identify the position of the weld seam effectively.
为有效提取图像中结构光线性特征以确定焊缝位置，引入了束波变换。
Weld-seam position and thickness difference do not affect stress and strain states.
焊缝位置和壁厚差异变化时，拼焊管各区域的应力状态保持不变。
In this paper, it has been realized the recognition for weld seam and its initial position in local environment with visual method.
采用视觉方法实现在局部环境中对焊缝及其起始点的识别。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
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