服装立体设计中的非接触测量技术

论述了用于服装立体设计的人体非接触测量系统 ,即利用摄像获取人体特征线的三维信息。基于双目视觉理论 ,在单相机、自然光的条件下 ,人台旋转 ,摄像机保持不动 ,对人台的不同角度进行拍照。根据服装CAD的特点 ,采用适当的配置处理方法 ,获取人体特征线的三维信息。摄像机相对人体仅在水平方向移动 ,垂直方向不变。这样不同图像上的对应点只是X坐标不同 ,而Y坐标相同。竖直方向的线 ,可以采用在小范围内Y坐标相同的有效点为对应点。对于水平方向的线 ,可做分段处理 ,标记段的端点 ,使其在不同的图像中求出精确对应点 ,段内的点可乘以一比例因子求相似对应点。不规则曲线可按其曲线的曲率的大小分别采用第一种方法或第二种方法。实验证实了该方法的有效性。

Noncontact body measurement for 3-dimensional garment design

This article describes a noncontact body measurement system for 3 dimensional garment design. Based on the principle of twin eye visual sense, we have developed this system, by using a stationary camera but a rotational platform, taking photos of the human body at different directions. According to the characteristics of garment CAD, we tailor the system suitable for shooting 3 dimensional information of human body featuring curves. The camera moves, relative to the body,in the horizontal direction, keeping vertical coordinates constant. It determines the x coordinates of the corresponding points in different images, with the same y coordinate. The lines in the vertical direction, within the vicinity of the valid point of the same y coordinate, can be taken as their corresponding point. We deal with the lines, in the horizontal direction, segment by segment, marking the end point to get the accurate corresponding point and multiplying a scaling factor to get the similar corresponding points. For irregular curves, we can deal with them by the first or the second method according to their curvatures. Experimental results verify the validity of this method.