Projection-based two-dimensional code positioning method, system, equipment and medium
The invention relates to a projection-based two-dimensional code positioning method, system and device and a medium, and the method comprises the steps: obtaining a first two-dimensional code image on a projection surface shot by a camera, internal parameters of the camera and first position data of...
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| creator | ZHAN YONGJIAN HU ZHANXIONG |
| description | The invention relates to a projection-based two-dimensional code positioning method, system and device and a medium, and the method comprises the steps: obtaining a first two-dimensional code image on a projection surface shot by a camera, internal parameters of the camera and first position data of a projection device, determining a target two-dimensional code in the first two-dimensional code image, the non-qualitative two-dimensional code is projected to the projection surface through the projection device, second position data of the target two-dimensional code on the light-transmitting plate are determined, and third position data of the target two-dimensional code on the projection surface are determined according to the second position data and the first position data; and determining the position offset of the camera and the target two-dimensional code according to the internal parameters of the camera and the fourth position data of the target two-dimensional code on the first two-dimensional code im |
| format | Patent |
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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS TESTING |
| title | Projection-based two-dimensional code positioning method, system, equipment and medium |
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