CN117168417A - Quality detection method, device and equipment based on 3D line laser contour scanning imaging - Google Patents
Quality detection method, device and equipment based on 3D line laser contour scanning imaging Download PDFInfo
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Abstract
The invention discloses a quality detection method, device and equipment based on 3D line laser contour scanning imaging. Wherein the method comprises the following steps: setting at least two illumination devices on the surface of the measured object, forming a preset scanning direction according to the at least two illumination devices, projecting a 3D laser line to the surface of the measured object according to the preset scanning direction, acquiring a contour image scanned by each frame in the scanning process of projecting the 3D laser line to the surface of the measured object, marking the scanning direction and the scanning time in each contour image, splicing the contour image of each frame according to the marked scanning direction and the scanning time, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images. By the mode, the imaging quality of three-dimensional imaging of the object realized by 3D line laser contour scanning can be improved.
Description
Technical Field
The invention relates to the technical field of 3D line laser contour scanning imaging, in particular to a quality detection method, device and equipment based on 3D line laser contour scanning imaging.
Background
The existing quality detection scheme based on 3D line laser contour scanning imaging is based on a triangulation principle, 3D imaging of an object is achieved, the object is scanned by projecting 3D laser lines onto the surface of the object to be detected, in the process of scanning by projecting 3D laser lines onto the surface of the object to be detected, contour information scanned by each frame is obtained and intersected with one contour line, then contour information of each frame is spliced according to the actual scanning direction and the scanning step length and intersected with one contour line, the contour dimension of the object is obtained by the extracted contour line information through a three-dimensional reconstruction algorithm, and then three-dimensional imaging of the object is achieved by means of linear movement.
However, in the existing quality detection scheme based on 3D line laser contour scanning imaging, in the process of scanning by projecting a 3D laser line onto the surface of an object to be detected, the situation that the scanning direction is inconsistent with the stitching direction often occurs, so that errors exist in three-dimensional imaging of the object realized by 3D line laser contour scanning, and the quality of the three-dimensional imaging of the object is general.
Disclosure of Invention
In view of the above, the present invention aims to provide a quality detection method, device and equipment based on 3D line laser profile scanning imaging, which can improve the imaging quality of three-dimensional imaging of an object realized by 3D line laser profile scanning.
According to one aspect of the present invention, there is provided a quality detection method based on 3D line laser profile scanning imaging, comprising: at least two illumination devices are arranged on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, and a 3D laser line is projected to the surface of the measured object according to the preset scanning direction for scanning; acquiring contour images scanned by each frame in the scanning process of projecting 3D laser lines onto the surface of an object to be detected, and marking scanning directions and scanning time in each contour image; and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
The method for scanning the surface of the object to be measured comprises the steps of setting at least two illumination devices on the surface of the object to be measured, forming a preset scanning direction according to the at least two illumination devices, projecting a 3D laser line to the surface of the object to be measured according to the preset scanning direction, and scanning the object to be measured, wherein the method comprises the following steps: dividing the surface of the measured object according to the projection area covered by the projected laser line on the surface of the measured object, wherein one projection area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, a preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction to scan.
The method for constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images comprises the following steps: and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object by using a three-dimensional reconstruction algorithm mode for all the spliced contour images.
The method comprises the steps of splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object according to all the spliced contour images, and further comprises the following steps: and respectively projecting the surface of the measured object and the three-dimensional imaging in a six-surface view mode to obtain the surface projection image of the measured object and the three-dimensional imaging projection image of each face in the six faces, comparing the surface projection image of the measured object with the three-dimensional imaging projection image to obtain a comparison result, and repairing the three-dimensional imaging according to the comparison result.
According to another aspect of the present invention, there is provided a quality detection apparatus based on 3D line laser profile scanning imaging, comprising: the device comprises a scanning module, a labeling module and a construction module; the scanning module is used for arranging at least two lighting devices on the surface of the object to be detected, forming a preset scanning direction according to the at least two lighting devices, and projecting a 3D laser line to the surface of the object to be detected according to the preset scanning direction for scanning; the marking module is used for acquiring each frame of scanned contour image and marking the scanning direction and the scanning time in each contour image in the process of scanning the 3D laser line on the surface of the measured object; the construction module is used for splicing the contour image of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
The scanning module is specifically configured to: dividing the surface of the measured object according to the projection area covered by the projected laser line on the surface of the measured object, wherein one projection area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, a preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction to scan.
The construction module is specifically configured to: and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object by using a three-dimensional reconstruction algorithm mode for all the spliced contour images.
Wherein, the quality detection device based on 3D line laser profile scanning imaging still includes: a repair module; the restoration module is used for respectively projecting the surface of the detected object and the three-dimensional imaging in a six-surface view mode to obtain the surface projection image of the detected object and the three-dimensional imaging projection image of each face in the six surfaces, comparing the surface projection image of the detected object with the three-dimensional imaging projection image to obtain a comparison result, and restoring the three-dimensional imaging according to the comparison result.
According to still another aspect of the present invention, there is provided a computer apparatus comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the 3D line laser profile scanning imaging based quality detection method as described in any one of the above.
According to a further aspect of the present invention, there is provided a computer readable storage medium storing a computer program which, when executed by a processor, implements a quality detection method based on 3D line laser profile scanning imaging as described in any one of the above.
It can be found that, in the above scheme, at least two illumination devices can be set on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, a 3D laser line is projected to the surface of the measured object according to the preset scanning direction, and in the process of scanning the surface of the measured object by projecting the 3D laser line, a profile image scanned by each frame can be obtained, the scanning direction and the scanning time are marked in each profile image, the profile image of each frame can be spliced according to the marked scanning direction and the scanning time, and three-dimensional imaging of the surface of the measured object is constructed according to all the spliced profile images, so that the imaging quality of the three-dimensional imaging of the object realized by 3D line laser profile scanning can be improved.
Furthermore, according to the scheme, the surface of the measured object can be divided into areas according to the projection area covered by the projected laser line on the surface of the measured object, one projection area covers one divided area, one lighting device is arranged in each divided area, the lighting devices are started in time sequence, the preset scanning direction is formed according to the starting brightness sequence, and the 3D laser line is projected to the surface of the measured object to scan according to the preset scanning direction.
Furthermore, according to the scheme, the contour image of each frame can be spliced according to the scanning direction and the scanning time of the mark, and the three-dimensional imaging of the surface of the object to be measured is constructed for all the spliced contour images in a three-dimensional reconstruction algorithm mode.
Furthermore, according to the scheme, the surface of the detected object and the three-dimensional imaging can be respectively projected in a six-face view mode to obtain the surface projection image of the detected object and the three-dimensional imaging projection image facing each face in the six faces, the surface projection image of the detected object and the three-dimensional imaging projection image are compared to obtain a comparison result, and the three-dimensional imaging is repaired according to the comparison result.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an embodiment of a quality detection method based on 3D line laser profile scanning imaging according to the present invention;
FIG. 2 is a flow chart of another embodiment of a quality detection method based on 3D line laser profile scanning imaging according to the present invention;
FIG. 3 is a schematic structural view of an embodiment of a quality detection apparatus based on 3D line laser profile scanning imaging according to the present invention;
FIG. 4 is a schematic structural view of another embodiment of a quality detection apparatus based on 3D line laser profile scanning imaging according to the present invention;
FIG. 5 is a schematic diagram of an embodiment of a computer device of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is specifically noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Likewise, the following examples are only some, but not all, of the examples of the present invention, and all other examples, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of the present invention.
The invention provides a quality detection method based on 3D line laser contour scanning imaging, which can improve the imaging quality of three-dimensional imaging of an object realized by 3D line laser contour scanning.
Referring to fig. 1, fig. 1 is a flow chart illustrating an embodiment of a quality detection method based on 3D line laser profile scanning imaging according to the present invention. It should be noted that, if there are substantially the same results, the method of the present invention is not limited to the flow sequence shown in fig. 1. As shown in fig. 1, the method comprises the steps of:
s101: at least two illumination devices are arranged on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, and a 3D laser line is projected to the surface of the measured object according to the preset scanning direction for scanning.
The step of setting at least two illumination devices on the surface of the object to be measured, forming a preset scanning direction according to the at least two illumination devices, and projecting a 3D laser line to the surface of the object to be measured for scanning according to the preset scanning direction may include:
according to the projected area covered by the projected laser line on the surface of the measured object, the surface of the measured object is divided into areas according to the projected area, one projected area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, the preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object for scanning according to the preset scanning direction.
S102, acquiring contour images scanned by each frame in the scanning process by projecting 3D laser lines onto the surface of the object to be detected, and marking scanning directions and scanning time in each contour image.
In the present embodiment, the scanning direction may be marked at the center of the contour image, or the scanning direction may be marked at another position of the contour image, and the present invention is not limited thereto.
In the present embodiment, the scanning time may be marked at the center position of the contour image, or the scanning time may be marked at another position of the contour image, and the present invention is not limited thereto.
In this embodiment, the position in the labeling scanning direction and the position in the labeling scanning time may overlap, and the position in the labeling scanning direction and the position in the labeling scanning time may not overlap.
S103: and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
The stitching the contour image of each frame according to the scanning direction and scanning time of the label, and constructing the three-dimensional imaging of the surface of the measured object according to all the stitched contour images may include:
the contour image of each frame is spliced according to the scanning direction and the scanning time of the mark, and three-dimensional imaging of the surface of the object to be detected is constructed for all the spliced contour images in a three-dimensional reconstruction algorithm mode.
Wherein, after the contour image of each frame is spliced according to the scanning direction and the scanning time of the label, the three-dimensional imaging of the surface of the measured object is constructed according to all the spliced contour images, the method further comprises the following steps:
the surface of the measured object and the three-dimensional imaging are respectively projected in a six-surface view mode to obtain a surface projection image of the measured object and a three-dimensional imaging projection image of each surface in the six surfaces, the surface projection image of the measured object and the three-dimensional imaging projection image are compared to obtain a comparison result, and the three-dimensional imaging is repaired according to the comparison result.
It may be found that, in this embodiment, at least two illumination devices may be disposed on a surface of a measured object, a preset scanning direction may be formed according to the at least two illumination devices, a 3D laser line may be projected to the surface of the measured object according to the preset scanning direction, and a profile image scanned by each frame may be obtained during the scanning process by projecting the 3D laser line to the surface of the measured object, a scanning direction and a scanning time may be marked in each profile image, and the profile image of each frame may be spliced according to the marked scanning direction and scanning time, and a three-dimensional imaging of the surface of the measured object may be constructed according to all the spliced profile images, so that an improvement in imaging quality of the three-dimensional imaging of the object achieved by the 3D line laser profile scanning may be achieved.
Further, in this embodiment, the surface of the measured object may be divided into areas according to the projection area covered by the projected laser line on the surface of the measured object, where one projection area covers one divided area, and an illumination device is disposed in each divided area, and each illumination device is turned on in chronological order to form a preset scanning direction according to the chronological order of the turned-on brightnesses, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction, so that the full coverage scanning of the surface of the measured object may be achieved, and the scanning direction for scanning the projected 3D laser line on the surface of the measured object may be controlled.
Further, in this embodiment, the contour image of each frame may be stitched according to the scanning direction and the scanning time of the label, and the three-dimensional imaging of the surface of the object to be measured is constructed by using a three-dimensional reconstruction algorithm method for all the stitched contour images.
Referring to fig. 2, fig. 2 is a flow chart of another embodiment of a quality detection method based on 3D line laser profile scanning imaging according to the present invention. In this embodiment, the method includes the steps of:
s201: at least two illumination devices are arranged on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, and a 3D laser line is projected to the surface of the measured object according to the preset scanning direction for scanning.
As described in S101, a detailed description is omitted here.
S202, acquiring contour images scanned by each frame in the scanning process by projecting 3D laser lines onto the surface of the object to be detected, and marking scanning directions and scanning time in each contour image.
As described in S102, the description is omitted here.
S203: and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
As described in S103, a detailed description is omitted here.
S204: and respectively projecting the surface of the measured object and the three-dimensional imaging in a six-surface view mode to obtain a surface projection image of the measured object and a three-dimensional imaging projection image of each face in the six faces, comparing the surface projection image of the measured object with the three-dimensional imaging projection image to obtain a comparison result, and repairing the three-dimensional imaging according to the comparison result.
It can be found that, in this embodiment, the surface of the measured object and the three-dimensional image may be projected in a six-sided view manner to obtain the surface projection image of the measured object and the three-dimensional image projection image facing each of the six sides, and the surface projection image of the measured object and the three-dimensional image projection image are compared to obtain a comparison result, and the three-dimensional image is repaired according to the comparison result, which has the advantage that the imaging quality of the three-dimensional image of the object realized by the 3D line laser profile scanning can be further improved.
The invention also provides a quality detection device based on the 3D line laser contour scanning imaging, which can improve the imaging quality of the three-dimensional imaging of the object realized by the 3D line laser contour scanning.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a quality detection apparatus based on 3D line laser profile scanning imaging according to the present invention. In this embodiment, the quality detection device 30 based on 3D line laser profile scanning imaging includes a scanning module 31, an labeling module 32, and a construction module 33.
The scanning module 31 is configured to set at least two illumination devices on the surface of the object to be measured, form a preset scanning direction according to the at least two illumination devices, and project a 3D laser line to the surface of the object to be measured according to the preset scanning direction for scanning.
The labeling module 32 is configured to obtain a profile image scanned by each frame during the scanning process by projecting a 3D laser line onto the surface of the object to be measured, and label a scanning direction and a scanning time in each profile image.
The construction module 33 is configured to stitch the contour image of each frame according to the scanning direction and the scanning time of the label, and construct a three-dimensional image of the surface of the object to be measured according to all the stitched contour images.
Alternatively, the scanning module 31 may be specifically configured to:
dividing the surface of the measured object according to the projection area covered by the projected laser line on the surface of the measured object, wherein one projection area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, a preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction to scan.
Alternatively, the construction module 33 may be specifically configured to:
and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object by using a three-dimensional reconstruction algorithm mode for all the spliced contour images.
Referring to fig. 4, fig. 4 is a schematic structural diagram of another embodiment of a quality detection apparatus based on 3D line laser profile scanning imaging according to the present invention. Unlike the previous embodiment, the quality detection device 40 based on 3D line laser profile scanning imaging according to the present embodiment further includes a repairing module 41.
The repairing module 41 is configured to project the surface of the object to be measured and the three-dimensional image in a six-sided view manner to obtain a projection image of the surface of the object to be measured and a projection image of the three-dimensional image, compare the projection image of the surface of the object to be measured with the projection image of the three-dimensional image to obtain a comparison result, and repair the three-dimensional image according to the comparison result.
The respective unit modules of the quality detection device 30/40 based on 3D line laser profile scanning imaging can respectively execute the corresponding steps in the above method embodiments, so that the detailed description of the respective unit modules will be omitted herein.
The present invention further provides a computer apparatus, as shown in fig. 5, comprising: at least one processor 51; and a memory 52 communicatively coupled to the at least one processor 51; the memory 52 stores instructions executable by the at least one processor 51, and the instructions are executed by the at least one processor 51 to enable the at least one processor 51 to perform the quality detection method based on 3D line laser profile scanning imaging.
Where the memory 52 and the processor 51 are connected by a bus, the bus may comprise any number of interconnected buses and bridges, the buses connecting the various circuits of the one or more processors 51 and the memory 52 together. The bus may also connect various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface between the bus and the transceiver. The transceiver may be one element or may be a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 51 is transmitted over a wireless medium via an antenna, which further receives the data and transmits the data to the processor 51.
The processor 51 is responsible for managing the bus and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And the memory 52 may be used to store data used by the processor 51 in performing operations.
The present invention further provides a computer-readable storage medium storing a computer program. The computer program implements the above-described method embodiments when executed by a processor.
It can be found that, in the above scheme, at least two illumination devices can be set on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, a 3D laser line is projected to the surface of the measured object according to the preset scanning direction, and in the process of scanning the surface of the measured object by projecting the 3D laser line, a profile image scanned by each frame can be obtained, the scanning direction and the scanning time are marked in each profile image, the profile image of each frame can be spliced according to the marked scanning direction and the scanning time, and three-dimensional imaging of the surface of the measured object is constructed according to all the spliced profile images, so that the imaging quality of the three-dimensional imaging of the object realized by 3D line laser profile scanning can be improved.
Furthermore, according to the scheme, the surface of the measured object can be divided into areas according to the projection area covered by the projected laser line on the surface of the measured object, one projection area covers one divided area, one lighting device is arranged in each divided area, the lighting devices are started in time sequence, the preset scanning direction is formed according to the starting brightness sequence, and the 3D laser line is projected to the surface of the measured object to scan according to the preset scanning direction.
Furthermore, according to the scheme, the contour image of each frame can be spliced according to the scanning direction and the scanning time of the mark, and the three-dimensional imaging of the surface of the object to be measured is constructed for all the spliced contour images in a three-dimensional reconstruction algorithm mode.
Furthermore, according to the scheme, the surface of the detected object and the three-dimensional imaging can be respectively projected in a six-face view mode to obtain the surface projection image of the detected object and the three-dimensional imaging projection image facing each face in the six faces, the surface projection image of the detected object and the three-dimensional imaging projection image are compared to obtain a comparison result, and the three-dimensional imaging is repaired according to the comparison result.
In the several embodiments provided in the present invention, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods of the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description is only a partial embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. The quality detection method based on 3D line laser contour scanning imaging is characterized by comprising the following steps of:
at least two illumination devices are arranged on the surface of the measured object, a preset scanning direction is formed according to the at least two illumination devices, and a 3D laser line is projected to the surface of the measured object according to the preset scanning direction for scanning;
acquiring contour images scanned by each frame in the scanning process of projecting 3D laser lines onto the surface of an object to be detected, and marking scanning directions and scanning time in each contour image;
and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
2. The quality detection method based on 3D line laser profile scanning imaging according to claim 1, wherein at least two illumination devices are disposed on the surface of the object to be detected, a preset scanning direction is formed according to the at least two illumination devices, and 3D laser lines are projected to the surface of the object to be detected according to the preset scanning direction to scan, and the method comprises:
dividing the surface of the measured object according to the projection area covered by the projected laser line on the surface of the measured object, wherein one projection area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, a preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction to scan.
3. The quality detection method based on 3D line laser contour scanning imaging according to claim 1, wherein the stitching of contour images of each frame according to the noted scanning direction and scanning time, and the construction of three-dimensional imaging of the surface of the object under test according to all of the stitched contour images, comprises:
and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object by using a three-dimensional reconstruction algorithm mode for all the spliced contour images.
4. The quality detection method based on 3D line laser contour scanning imaging according to claim 1, further comprising, after said stitching of contour images of each frame according to a scanning direction and a scanning time of said marking, constructing a three-dimensional imaging of a surface of said object under test according to all of said stitched contour images:
and respectively projecting the surface of the measured object and the three-dimensional imaging in a six-surface view mode to obtain the surface projection image of the measured object and the three-dimensional imaging projection image of each face in the six faces, comparing the surface projection image of the measured object with the three-dimensional imaging projection image to obtain a comparison result, and repairing the three-dimensional imaging according to the comparison result.
5. Quality detection device based on 3D line laser profile scanning formation of image, characterized in that includes:
the device comprises a scanning module, a labeling module and a construction module;
the scanning module is used for arranging at least two lighting devices on the surface of the object to be detected, forming a preset scanning direction according to the at least two lighting devices, and projecting a 3D laser line to the surface of the object to be detected according to the preset scanning direction for scanning;
the marking module is used for acquiring each frame of scanned contour image and marking the scanning direction and the scanning time in each contour image in the process of scanning the 3D laser line on the surface of the measured object;
the construction module is used for splicing the contour image of each frame according to the scanning direction and the scanning time of the mark, and constructing the three-dimensional imaging of the surface of the measured object according to all the spliced contour images.
6. The quality detection apparatus based on 3D line laser profile scanning imaging as claimed in claim 5, wherein the scanning module is specifically configured to:
dividing the surface of the measured object according to the projection area covered by the projected laser line on the surface of the measured object, wherein one projection area covers one divided area, each divided area is provided with a lighting device, the lighting devices are turned on in time sequence, a preset scanning direction is formed according to the turn-on brightness sequence, and the 3D laser line is projected to the surface of the measured object according to the preset scanning direction to scan.
7. The quality detection apparatus based on 3D line laser profile scanning imaging as claimed in claim 5, wherein the construction module is specifically configured to:
and splicing the contour images of each frame according to the scanning direction and the scanning time of the mark, and constructing three-dimensional imaging of the surface of the measured object by using a three-dimensional reconstruction algorithm mode for all the spliced contour images.
8. The 3D line laser profile scanning imaging based quality detection apparatus of claim 5, further comprising:
a repair module;
the restoration module is used for respectively projecting the surface of the detected object and the three-dimensional imaging in a six-surface view mode to obtain the surface projection image of the detected object and the three-dimensional imaging projection image of each face in the six surfaces, comparing the surface projection image of the detected object with the three-dimensional imaging projection image to obtain a comparison result, and restoring the three-dimensional imaging according to the comparison result.
9. A computer device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the 3D line laser profile scanning imaging based quality detection method as claimed in any one of claims 1 to 4.
10. A computer-readable storage medium, characterized in that a computer program is stored, which, when being executed by a processor, implements quality detection based on 3D line laser profile scanning imaging as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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