Multi-target positioning system and method based on single imaging large-view-field LED lens mounting
A multi-target positioning and large field of view technology, applied in the field of multi-target positioning, can solve the problems of poor positioning efficiency, low detection accuracy, and high cost, and achieve the effects of fast positioning speed, high positioning accuracy, and overcoming complete interruption
Active Publication Date: 2019-09-06
GUANGZHOU PANYU POLYTECHNIC
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Problems solved by technology
The cost of the system is high, the positioning efficiency is poor, and the detection accuracy is low
[0010] To sum up, regarding the multi-target positioning system for industrial applications, there are still many deficiencies, especially in the target positioning of a single imaging, it is always difficult to be widely used in industrial production lines
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[0056] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0057] The invention discloses a multi-target positioning system device based on a single imaging of a large-field-of-view LED aluminum substrate lens mounting pad, which includes a camera imaging acquisition part, a mechanism positioning part, and a detection and identification part.
[0058] Such as figure 1 It is shown that the camera system imaging environment main frame of the present invention includes: an industrial camera (120), a PCB aluminum substrate pad (121), a sensor (122), and a guide rail (123). The imaging of the camera system includes: the image acquisition target is based on the surface area of the aluminum substrate (121), the guide rail (123) is located directly in front of the aluminum substrate (121), the sensor (122) is lo...
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The invention discloses a multi-target positioning system and method based on single imaging large-view-field LED lens mounting. The system comprises the steps of large-format image acquisition, target positioning and position correction. The invention also provides the multi-target positioning method. The method comprises a treatment method of a first standard sample and treatment methods of second to N samples. Processing steps of the standard sample comprise acquiring an aluminum substrate image, setting a target and Mark point area, segmenting the image, carrying out BLOB analysis, carrying out feature extraction and target positioning, carrying out Mark point center positioning, and acquiring a midpoint and an inclination angle of a connecting line of the Mark point center positioningand the midpoint; and processing steps of 2-N samples comprise: acquiring images, positioning the centers of Mark points and positioning the midpoints of the straight line segments of the Mark pointsto obtain offset of angles and displacements of the samples, constructing a rigid body transformation matrix, and carrying out affine transformation on multiple target points of the standard sample.The system and the method provided by the invention have the advantages that the positioning speed is high, full automation can be realized, the target point can be acquired without manual teaching intervention, and uninterrupted continuous production can be realized.
Description
[0001] Technical field: [0002] The invention relates to the technical field of multi-target positioning, in particular to a multi-target positioning system device and method based on a single imaging-based large field of view LED aluminum substrate lens mounting pad. The invention proposes a multi-target positioning method, and in particular relates to a center positioning and correction technology. The specific related performance of the present invention is that the combined use of the system device and the method realizes the multi-target positioning of the LED lens mounting pin pads with a large field of view. [0003] Background technique: [0004] With the development of industry, multi-target positioning and recognition technology in industrial applications has become a market demand. With the advancement of science and technology, artificial human eye positioning and recognition targets are gradually eliminated, but today's positioning and recognition technology is s...
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IPC IPC(8): G06T7/73G06T7/12G06T7/136G06T7/62
CPCG06T7/73G06T7/12G06T7/136G06T7/62G06T2207/20104G06T2207/30152
Inventor 钟球盛侯文峰吴隽范钰淮李志瑶娄身龙
Owner GUANGZHOU PANYU POLYTECHNIC
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