Method For Estimating The Simulated Contour Of A Material Composed Of Longitudinal And Transverse Line Elements

A method of placing a stacking material on a stacking table having a center location and a transverse axis direction, wherein the stacking material has a pair of diagonal locations, a virtual contour and a plane rotating angle, and the virtual contour has a center point, the method comprising the following steps:

• obtaining a first and a second images at the pair of diagonal locations of the stacking material respectively;
• selecting a first set of longitudinal end-point positions and a first set of transverse end-point positions within a range between a first specific distance and a second specific distance from a first corner location in the first image;
• selecting a second set of longitudinal end-point positions and a second set of transverse end-point positions within a range between the first specific distance and the second specific distance from a second corner location in the second image;
• determining a first transverse axis direction, a first longitudinal axis direction, a second transverse axis direction and a second longitudinal axis direction based on the first set of longitudinal end-point positions, the first set of transverse end-point positions, the second set of longitudinal end-point positions and the second set of transverse end-point positions respectively;
• determining the center point of the virtual contour and the plane rotating angle of the stacking material based on the first and the second longitudinal axis directions and the first and the second transverse axis directions;
• and
• placing the stacking material on the stacking table according to the center point of the virtual contour and the plane rotating angle, wherein the center point of the virtual contour is superimposed on the center location of the stacking table.

A method of estimating a virtual contour of a sheet material formed of longitudinal and transverse linear elements, wherein the material has a rectangular shape with a longitudinal direction and a transverse direction and a pair of diagonal locations, the method comprising the following steps:

• obtaining a first and a second images at the pair of diagonal locations of the material respectively, wherein the first and the second images have a first and a second corner locations respectively;
• selecting a first set of longitudinal end-point positions and a first set of transverse end-point positions within a range between a first specific distance and a second specific distance from the first corner location;
• selecting a second set of longitudinal end-point positions and a second set of transverse end-point positions within a range between the first specific distance and the second specific distance from the second corner location;
• and
• determining four sides of the rectangular shape to form the virtual contour based on the first set of longitudinal end-point positions, the first set of transverse end-point positions, the second set of longitudinal end-point positions and the second set of transverse end-point positions.