CN113533338A - Online multi-angle light source imaging method for plate - Google Patents
Online multi-angle light source imaging method for plate Download PDFInfo
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- CN113533338A CN113533338A CN202110851748.2A CN202110851748A CN113533338A CN 113533338 A CN113533338 A CN 113533338A CN 202110851748 A CN202110851748 A CN 202110851748A CN 113533338 A CN113533338 A CN 113533338A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/86—Investigating moving sheets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention relates to the technical field of plate imaging, in particular to an online multi-angle light source imaging method for a plate. According to the method, a plurality of groups of light sources with different angles are used for irradiating the plate in a manner of fast switching according to frequency, when each group of light sources irradiates the plate, the image acquisition module is used for acquiring the image of the plate, so that the plate can be imaged in a multi-angle and all-around manner, and the image processing module is used for processing the imaging information of the plate irradiated by each group of light sources to obtain a plurality of plate images corresponding to different light sources.
Description
Technical Field
The invention relates to the technical field of plate imaging, in particular to an online multi-angle light source imaging method for a plate.
Background
The board is a flat rectangular building material board made into standard size, and is used as a component of wall, ceiling or floor in the building industry. Also referred to as forged, rolled or cast metal sheets, divided into thin, medium, thick, extra thick, generally flat rectangular building material sheets of standard size.
With the increasing use of plates, people have higher requirements on the plates, and in order to improve the attractiveness of the plates, the plates need to be imaged by using an imaging method for subsequent treatment.
Disclosure of Invention
The invention aims to provide an online multi-angle light source imaging method for a plate, which utilizes a plurality of groups of light sources with different angles to carry out illumination which is rapidly switched according to frequency on the plate, utilizes an image acquisition module to carry out image acquisition on the plate when each group of light sources irradiates on the plate, can carry out multi-angle and all-around imaging on the plate, and processes imaging information of the plate irradiated by each group of light sources through an image processing module to obtain imaging of a plurality of plates corresponding to different light sources.
In order to achieve the purpose, the invention provides the following technical scheme:
an online multi-angle light source imaging method for a plate comprises the following steps:
the method comprises the following steps: establishing a multi-angle light source, and specifically operating as follows: at least two groups of light sources are arranged in a mode of irradiating on the same detection surface at different angles;
step two: the image acquisition module is arranged and specifically operated as follows: a camera with a lens facing the light source irradiation position on the plate is arranged;
step three: arranging a plate transmission mechanism at the height right opposite to the light beams of the angle light sources and the lens of the image acquisition module, and transmitting a plate to be detected by using the plate transmission mechanism;
step four: establishing an online multi-angle light source imaging control system, which specifically comprises the following steps: the method comprises the steps that a set of controller modules, a set of light source controllers and a set of camera controller are arranged, the light source controllers are used as control ends of light sources, the camera controller is used as a control end of an image acquisition module, an encoder in the controller modules is used for outputting pulses, the light source controllers corresponding to a light source A and a light source B are connected, and the camera controller is respectively connected with the output pulses of the encoder, wherein the light source control pulses of the light source A and the light source B are alternately carried out, and the acquisition frequency of camera external trigger pulses of the image acquisition module is triggered when the light source A and the light source B are alternately illuminated;
step five: setting an image processing module, integrating images acquired when the light source A and the light source B are illuminated alternately to obtain plate images imaged under a plurality of groups of light sources;
step six: and processing the plate images of the same light source according to different light sources by using the image processing module to obtain a plurality of plate images corresponding to the light sources.
Preferably, in the first step, the angle between the light source and the plate is 15-165 degrees, and the angle between the light source and the plate is different.
Preferably, the image processing module is connected to the display module, the display module is a display, and the image of the plurality of plates in each frequency under the condition of multiple light sources is synchronously displayed.
Preferably, the image processing module is connected to the storage module, and the storage module is a mobile hard disk.
Preferably, the image acquisition module is specifically an image acquisition camera.
Preferably, each light source in the plurality of angle light sources is lighted once, and the image acquisition module performs image acquisition once.
Compared with the prior art, the invention has the beneficial effects that: utilize the light source of the different angles of multiunit to carry out the illumination according to the frequency fast switch-over to panel, when every group light source shines on panel, utilize image acquisition module to carry out the image acquisition of panel, can carry out multi-angle, omnidirectional formation of image to panel, and through image processing module with the imaging information of panel under every group light source shines, obtain many panel formation of image that correspond different light sources, this method, can carry out multi-angle formation of image to panel in step, improve the integrality of panel surface formation of image, suitable using widely.
Drawings
FIG. 1 is a schematic structural diagram of a plate under two groups of light sources in an online multi-angle light source imaging method of the invention;
FIG. 2 is a schematic structural diagram of a sheet material under three groups of light sources in an online multi-angle light source imaging method;
FIG. 3 is a schematic diagram of a multi-angle light source imaging light source and a camera control in the on-line multi-angle light source imaging method of a sheet material according to the present invention;
FIG. 4 is an illustration of an image of a sheet material obtained by the on-line multi-angle light source imaging method of the sheet material of the present invention, wherein A is an image collected under the irradiation of a light source A, and B is an image collected under the irradiation of the light source A.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.
Example 1:
referring to fig. 1, the present embodiment provides a technical solution:
an online multi-angle light source imaging method for a plate comprises the following steps:
the method comprises the following steps: establishing a multi-angle light source, and specifically operating as follows: arranging two groups of light sources which are arranged in a setting mode of irradiating on the same detection surface at different angles, wherein the irradiation angle of the light source A is 45 degrees, and the irradiation angle of the light source B is 90 degrees;
step two: the image acquisition module is arranged and specifically operated as follows: a camera with a lens facing the light source irradiation position on the plate is arranged;
step three: arranging a plate transmission mechanism at the height right opposite to the light beams of the angle light sources and the lens of the image acquisition module, and transmitting a plate to be detected by using the plate transmission mechanism;
step four: establishing an online multi-angle light source imaging control system, which specifically comprises the following steps: the method comprises the steps that a set of controller modules, a set of light source controllers and a set of camera controller are arranged, the light source controllers are used as control ends of light sources, the camera controller is used as a control end of an image acquisition module, an encoder in the controller modules is used for outputting pulses, the light source controllers corresponding to a light source A and a light source B are connected, and the camera controller is respectively connected with the output pulses of the encoder, wherein the light source control pulses of the light source A and the light source B are alternately carried out, and the acquisition frequency of camera external trigger pulses of the image acquisition module is triggered when the light source A and the light source B are alternately illuminated;
step five: setting an image processing module, integrating images acquired when the light source A and the light source B are illuminated alternately to obtain plate images imaged under a plurality of groups of light sources;
step six: and processing the plate images of the same light source according to different light sources by using the image processing module to obtain a plurality of plate images corresponding to the light sources.
Example 2:
referring to fig. 2, the present embodiment provides a technical solution:
an online multi-angle light source imaging method for a plate comprises the following steps:
the method comprises the following steps: establishing a multi-angle light source, and specifically operating as follows: arranging three groups of light sources which are arranged in a setting mode of irradiating on the same detection surface at different angles, wherein the irradiation angle of the light source A is 30 degrees, the irradiation angle of the light source B is 90 degrees, and the irradiation angle of the light source C is 120 degrees;
step two: the image acquisition module is arranged and specifically operated as follows: a camera with a lens facing the light source irradiation position on the plate is arranged;
step three: arranging a plate transmission mechanism at the height right opposite to the light beams of the angle light sources and the lens of the image acquisition module, and transmitting a plate to be detected by using the plate transmission mechanism;
step four: establishing an online multi-angle light source imaging control system, which specifically comprises the following steps: the method comprises the steps that a set of controller modules, a set of light source controllers and a set of camera controller are arranged, the light source controllers are used as control ends of light sources, the camera controller is used as a control end of an image acquisition module, an encoder in the controller modules is used for outputting pulses, the light source controllers corresponding to a light source A and a light source B are connected, and the camera controller is respectively connected with the output pulses of the encoder, wherein the light source control pulses of the light source A and the light source B are alternately carried out, and the acquisition frequency of camera external trigger pulses of the image acquisition module is triggered when the light source A and the light source B are alternately illuminated;
step five: setting an image processing module, integrating images acquired when the light source A and the light source B are illuminated alternately to obtain plate images imaged under a plurality of groups of light sources;
step six: and processing the plate images of the same light source according to different light sources by using the image processing module to obtain a plurality of plate images corresponding to the light sources.
Referring to fig. 3-4 of the drawings,
the controller module utilizes the encoder to output pulses to control the light source A, the light source B and the camera, wherein the light source control pulses of the light source A and the light source B are alternated, so that the light source A and the light source B alternately irradiate the plates, and during the period, the image acquisition module utilizes the successive trigger pulses to control, so that the image acquisition module acquires the plate images during the period that each group of light sources irradiate the plates, plate images under different light sources are obtained, and then the image processing module is utilized to process the images, so that the required plate images are obtained.
The principle is as follows: utilize the light source of the different angles of multiunit to carry out the illumination according to the frequency fast switch-over to panel, when every group light source shines on panel, utilize image acquisition module to carry out the image acquisition of panel, can carry out multi-angle, omnidirectional formation of image to panel, and through image processing module with the imaging information of panel under every group light source shines, obtain many panel formation of image that correspond different light sources, this method, can carry out multi-angle formation of image to panel in step, improve the integrality of panel surface formation of image, suitable using widely.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An online multi-angle light source imaging method for a plate is characterized in that: the method specifically comprises the following steps:
the method comprises the following steps: establishing a multi-angle light source, and specifically operating as follows: at least two groups of light sources are arranged in a mode of irradiating on the same detection surface at different angles;
step two: the image acquisition module is arranged and specifically operated as follows: a camera with a lens facing the light source irradiation position on the plate is arranged;
step three: arranging a plate transmission mechanism at the height right opposite to the light beams of the angle light sources and the lens of the image acquisition module, and transmitting a plate to be detected by using the plate transmission mechanism;
step four: establishing an online multi-angle light source imaging control system, which specifically comprises the following steps: the method comprises the steps that a set of controller modules, a set of light source controllers and a set of camera controller are arranged, the light source controllers are used as control ends of light sources, the camera controller is used as a control end of an image acquisition module, an encoder in the controller modules is used for outputting pulses, the light source controllers corresponding to a light source A and a light source B are connected, and the camera controller is respectively connected with the output pulses of the encoder, wherein the light source control pulses of the light source A and the light source B are alternately carried out, and the acquisition frequency of camera external trigger pulses of the image acquisition module is triggered when the light source A and the light source B are alternately illuminated;
step five: setting an image processing module, integrating images acquired when the light source A and the light source B are illuminated alternately to obtain plate images imaged under a plurality of groups of light sources;
step six: and processing the plate images of the same light source according to different light sources by using the image processing module to obtain a plurality of plate images corresponding to the light sources.
2. The on-line multi-angle light source imaging method of the plate as claimed in claim 1, wherein: in the first step, the included angle between the light source illumination and the plate is 15-165 degrees, and the included angle between the light source illumination and the plate is different.
3. The on-line multi-angle light source imaging method of the plate as claimed in claim 1, wherein: the image processing module is connected with the display module, the display module is a display, and the image processing module performs synchronous display aiming at the imaging of a plurality of plates under the condition of multiple light sources in each frequency.
4. The on-line multi-angle light source imaging method of the plate as claimed in claim 1, wherein: the image processing module is connected with the storage module, and the storage module is a mobile hard disk.
5. The on-line multi-angle light source imaging method of the plate as claimed in claim 1, wherein: the image acquisition module is specifically an image acquisition camera.
6. The on-line multi-angle light source imaging method of the plate as claimed in claim 1, wherein: each light source in the plurality of angle light sources is lighted once, and the image acquisition module acquires an image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110851748.2A CN113533338A (en) | 2021-07-27 | 2021-07-27 | Online multi-angle light source imaging method for plate |
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| CN202110851748.2A CN113533338A (en) | 2021-07-27 | 2021-07-27 | Online multi-angle light source imaging method for plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563417A (en) * | 2022-04-24 | 2022-05-31 | 苏州鼎纳自动化技术有限公司 | Detection device and detection method for automatic switching of multiple light sources and multiple cameras |
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2021
- 2021-07-27 CN CN202110851748.2A patent/CN113533338A/en active Pending
Patent Citations (5)
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| US20120249480A1 (en) * | 2011-03-31 | 2012-10-04 | Smart Technologies Ulc | Interactive input system incorporating multi-angle reflecting structure |
| CN103884650A (en) * | 2014-03-28 | 2014-06-25 | 北京大恒图像视觉有限公司 | Multi-photosource linear array imaging system and method |
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