Laser path planning visual algorithm
A path planning and vision technology, applied in computing, image data processing, instruments, etc., can solve problems such as insufficient vacancy alignment, low position, incomplete punching, etc., and achieve the effect of rapid positioning and recognition
Inactive Publication Date: 2021-04-30
HARGLO APPLIED LASER TECH INST CO LTD +2
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The invention relates to a laser path planning visual algorithm, which comprises the following steps of: firstly, moving a lens to ensure that a to-be-cut hole position is in an area; performing photographing to obtain an original image; performing Laplace transformation on the original image to enhance the edge difference of the image; carrying out expansion operation, and enlarging the edge area; carrying out threshold segmentation, and highlighting edges; finding out a prototype with the maximum area; carrying out threshold segmentation on the found hole position on the basis of the Laplace transform image; finding ou the contours, combining the similar contours, and finally extracting the maximum contour; and obtaining a fitting circle through the the contour, wherein the fitted arc is an arc with a cutting function and is also a cutting path. The industrial camera is additionally arranged on the laser cutting head and used for hole recognition and searching and positioning calculation of cutting points, and circle supplementing and cutting path planning can be rapidly carried out. Through a visual algorithm, path planning can be completed within 0.5 second, and positioning and recognition of a to-be-cut point can be rapidly achieved.
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Property | Measurement | Unit |
Diameter | 21.02 | mm |
Diameter | 20.96 ~ 21.04 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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