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Outline extracting apparatus and method

A contour extraction and contour technology, which is applied in character and pattern recognition, instruments, metal processing, etc., can solve problems such as inability to extract contour lines

Inactive Publication Date: 2009-06-24
SHIMA SEIKI MFG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And when the contour points are extended in a band, sometimes the contour line cannot be extracted

Method used

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  • Outline extracting apparatus and method
  • Outline extracting apparatus and method
  • Outline extracting apparatus and method

Examples

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Embodiment Construction

[0038] exist Figure 1 to Figure 11 , taking the clipping device 2 as an example to illustrate the embodiments of the contour extraction device and the extraction method. exist figure 1 Among them, 4 is a cutting table, 6 is a cutting head, and the color image of the leather 15 is captured by the color camera 8, and the knife 10 is raised and lowered to cut the leather 15. The cutting head 6 moves along the XY directions on the cutting table 4 through the X-axis driver 12 and the Y-axis driver 14 . The color camera 8 uses the cutting head 6 to scan on the leather 15, and divides the image of the leather 15 into multiple shots.

[0039] The contour extracting device 18 is either built in the cutting device 2 , or is set separately from the cutting device 2 . 20 is a bus, 21 is a color display, and 22 is a manual input device such as a keyboard, a drawing pin, a mouse, a trackball, a joystick, and the like. The disk drive 23 performs input and output with a disk such as a CD...

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Abstract

The invention provides a contour extraction device and a contour extraction method comprising: shooting an object image, performing binarization through a filtering, extracting contour points, performing a Delaunay division to the image using the contour points as vertices, appointing the object interior points, searching from the appointed points to a Delaunay triangle edge, if getting to an edge more than a set length then keeping on searching over the edge, if getting to an edge shorter than the set length, then stopping the search of over the edge, and connecting the edges shorter than the set length as the object contour.

Description

technical field [0001] The present invention relates to techniques for extracting outlines from general two-dimensional or three-dimensional objects such as leather and cloth or general two-dimensional or three-dimensional objects such as human body shapes. Background technique [0002] The applicant has developed a cutting device for sheet material. In Patent Document 1: WO2004 / 010807, a case where a part is to be trimmed with respect to an optimal arrangement of a sheet material is studied. In Patent Document 2: WO2006 / 051764, it is studied how to arrange cutting target parts with respect to irregular-shaped sheet materials such as leather. Patent Document 3: JP2006 / 11996 is an application filed by another applicant, and discloses the following technology: an image is divided into a plurality of triangles by Delaunay segmentation, and the image is processed by using knowledge clamping (knowledge clamping), thereby Extract contours. In Patent Document 3, there is no rese...

Claims

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Application Information

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IPC IPC(8): G06K9/46B26D5/00
Inventor 田村孝彦
Owner SHIMA SEIKI MFG LTD
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