A three-dimensional affine transformation method employs ALBTM (a three-dimensional affine model based on line feature) to express the relationship between two-dimensional space and three-dimensional space, and the specific mathematical expression of ALBTM is Sax=C1AX+C2AY+C3AZ, Say=C5AX+C6AY+C7AZ, .....
[Detail]
One kind of soil nail pullout test box, comprising: a test box body, the left and right sides (ie soil nails tail and front) were provided with a convex body connected to pass this test case of a first chamber and an additional second additional chamber, the test box body and said first additional s.....
[Detail]
本发明提出了一种用于薄片型柔性体表面三维重建的系统和方法。该系统包括一背景光源，用于发出均匀且具有一定亮度的后向漫反射光；一试样夹持装置，其上夹持有待三维重建的一试样，该试样夹持装置具有一顶点，所述试样在该顶点处弯折；一图像采集装置，用于采集所述试样在所述顶点处的侧面投影图像；一试样驱动装置，其驱动夹持在所述试样夹持装置上的所述试样均匀地通过所述顶点；一计算机，其控制该试样驱动装置动作，同时接收该图像采集装置采集到的所述试样的侧面投影图像的序列，对所述图像序列进行处理和分析，提取每一帧图像的侧面投影高度信息，并按照采集顺序拼接得到所述试样表面的三维立体图像。
[Detail]
一种磁性布样／柔性材料夹持装置，夹持待测布样于数码织物外观／表面测试评定仪的传送带上，包括：一对夹头，每一夹头由一夹头上片和一夹头下片构成，所述布样的端部夹持在该夹头上片和夹头下片之间，所述夹头下片的内侧设置有永久磁铁，所述夹头下片的背侧设置有一凸出的定位块；一对定位衔铁，固定于所述传送带上，所述定位衔铁具有与所述夹头的定位块相对应的槽，所述夹头的定位块穿过所述传送带嵌入所述定位衔铁的槽内。这套装置的主要作用是保证布样被均匀地夹持，使得被夹持的织物表面平整，控制布样的伸长，使之不发生变化。方便操作者夹持布样，保持被测布样处于良好的状态以保证测量的精度。
[Detail]
A summer dress system is applicable to a situation, the temperature of which is higher than 20 degrees Celsius. The utility model is characterized in that at least the part corresponding to the sweaty part of the human body adopts a fabric provided with a functional characteristic of managing the li.....
[Detail]
| |< <- | [325] [326] [327] [328] [329] [330] [331] [332] [333] [334] [335] | -> >| |
