CN111402234B - Machine vision detecting system - Google Patents
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- CN111402234B CN111402234B CN202010182793.9A CN202010182793A CN111402234B CN 111402234 B CN111402234 B CN 111402234B CN 202010182793 A CN202010182793 A CN 202010182793A CN 111402234 B CN111402234 B CN 111402234B
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- 238000001514 detection method Methods 0.000 claims abstract description 48
- 230000000007 visual effect Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
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- 238000004458 analytical method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- 238000004801 process automation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30164—Workpiece; Machine component
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Abstract
The invention provides a machine vision inspection system, comprising: an algorithm module for storing at least one visual algorithm; the function expansion module comprises a plurality of functional units, and the functional units are arranged in one-to-one correspondence with the vision algorithm; the logic acquisition module is used for acquiring the execution sequence among the plurality of functional units set by the user; the interface module comprises a plurality of communication interfaces, and each communication interface is connected with corresponding peripheral equipment and is used for receiving image data from the peripheral equipment through the communication interface; the detection module is used for sequentially detecting the image data by adopting the corresponding functional units according to the execution sequence so as to obtain a corresponding detection result; in the detection processing process of the detection module, the current functional unit sends detection parameters obtained by detecting the image data to the next functional unit in the execution sequence. The invention has the beneficial effects that: the detection speed is improved.
Description
Technical Field
The invention relates to the technical field of industrial machines, in particular to a machine vision detection system.
Background
With the rapid development of manufacturing industry, the requirements on the production process, production efficiency and product quality are continuously improved. Therefore, the positioning, identification, measurement and detection in the process automation production are required to rely on the machine vision technology.
In the prior art, machine vision technologies such as OpenCV, matlab algorithm software are adopted, most of vision algorithms are functionally integrated by the software, and free configuration algorithms (including positioning, identification, detection and other algorithms) are provided for users, so that the users can test and verify projects, however, when the users need to apply to application software generated in specific projects, the users need to perform corresponding secondary development;
however, when the above single application requirement or the machine vision technology suitable for certain range requirements solves the specific function, it is required to access the industrial camera with a fixed model, and define a specific man-machine interface, so as to output a customized interface and an interaction mode such as data storage and communication.
However, the above prior art generally has the following problems:
(1) Only realizing a single requirement or a specific requirement, and being difficult to realize for software with complex flow;
(2) A developer is required to write complex codes, so that the project period is prolonged;
(3) Only department hardware is supported, and the number and the types of the supported hardware are limited: for industrial cameras, motion control cards, PLCs, robots, data acquisition cards and other hardware compatibility is not sufficient;
(4) The analysis capability of the data is insufficient, and functions such as remote monitoring, data simulation and the like are absent.
Disclosure of Invention
In view of the foregoing problems in the prior art, a machine vision inspection system is now provided that aims to increase development speed.
The specific technical scheme is as follows:
A machine vision inspection system, comprising:
an algorithm module for storing at least one visual algorithm;
The function expansion module is connected with the algorithm module and comprises a plurality of functional units, and the functional units are arranged in one-to-one correspondence with the vision algorithm;
The logic acquisition module is connected with the function expansion module and used for acquiring the execution sequence among the plurality of functional units set by a user;
The interface module comprises a plurality of communication interfaces, and each communication interface is connected with corresponding peripheral equipment and is used for receiving image data from the peripheral equipment through the communication interface;
The detection module is respectively connected with the logic acquisition module and the interface module and is used for sequentially detecting and processing the image data by adopting the corresponding functional units according to the execution sequence so as to obtain a corresponding detection result;
In the detection processing process of the detection module, the current functional unit sends detection parameters obtained by detecting the image data to the next functional unit in the execution sequence.
Preferably, the machine vision inspection system, wherein the logic acquisition module comprises:
a selection unit for acquiring a plurality of function units selected by a user;
the function module acquisition unit is connected with the selection unit and used for acquiring an execution sequence obtained by arranging a plurality of function units by a user.
Preferably, the machine vision detection system, wherein the algorithm module further comprises a first editing unit, the function expansion module further comprises a second editing unit, and the first editing unit is connected with the second editing unit;
the first editing unit is used for editing the visual algorithm and editing the corresponding visual algorithm according to the functional unit obtained by the second editing unit;
the second editing unit is used for editing the functional units and editing the corresponding functional units according to the visual algorithm obtained by the first editing unit.
Preferably, the machine vision inspection system, wherein the interface module further comprises:
And the third editing unit is used for editing the corresponding communication interface according to the peripheral equipment.
Preferably, the machine vision inspection system, wherein the execution sequence includes: and a functional unit that executes simultaneously.
Preferably, the machine vision inspection system, wherein the execution sequence includes: the exchange of the detection parameters is performed between a plurality of functional units having a sequential execution order.
Preferably, the machine vision detection system further comprises a display module, which is respectively connected with the algorithm module, the function expansion module, the logic acquisition module, the interface module and the detection module, and is used for connecting with a peripheral display to display the vision algorithm, the functional units associated with the vision algorithm, the execution sequence and the detection result.
Preferably, the machine vision inspection system wherein the execution sequence is displayed in a flow chart form in the display module.
The technical scheme has the following advantages or beneficial effects: the development convenience is improved, the development threshold is reduced, and the development speed is improved.
Drawings
Embodiments of the present invention will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the invention.
FIG. 1 is a schematic block diagram of a machine vision inspection system of the present invention;
FIG. 2 is a functional block diagram of a logic acquisition module of an embodiment of a machine vision inspection system of the present invention;
FIG. 3 is a schematic block diagram of a machine vision inspection system according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
The present invention includes a machine vision inspection system, as shown in fig. 1, comprising:
An algorithm module 1 for storing at least one visual algorithm;
The function expansion module 2 is connected with the algorithm module 1, and the function expansion module 2 comprises a plurality of function units which are arranged in one-to-one correspondence with the vision algorithm;
The logic acquisition module 3 is connected with the function expansion module 2 and is used for acquiring the execution sequence among a plurality of function units set by a user;
an interface module 4 including a plurality of communication interfaces 41, each communication interface 41 being connected to a corresponding peripheral device 42 for receiving image data from the peripheral device 42 through the communication interface 41;
The detection module 5 is respectively connected with the logic acquisition module 3 and the interface module 4 and is used for sequentially detecting and processing the image data by adopting the corresponding functional units according to the execution sequence so as to obtain a corresponding detection result;
in the detection process of the detection module 5, the current functional unit sends the detection parameter obtained by performing the detection process on the image data to the next functional unit in the execution sequence.
In the embodiment, by arranging the functional units in association with the visual algorithm, development convenience can be improved, development threshold is reduced, and development efficiency is improved;
the user sets the execution sequence among the functional units by himself, and the detection module 5 automatically detects and processes the image data according to the execution sequence, so that the detection operation difficulty is reduced, and the user can smoothly use the machine vision detection system through simple training;
The exchange of the detection parameters can be performed by a plurality of functional units in the detection processing of the detection module 5, so that the detection speed is increased, and the detection parameters of each functional unit do not need to be set.
Further, in the above embodiment, as shown in fig. 2, the logic acquisition module 3 includes:
a selection unit 31 for acquiring a plurality of function units selected by a user;
And a function module obtaining unit 32 connected to the selecting unit 31 for obtaining an execution order obtained by arranging the plurality of function units by the user.
In the above-described embodiment, the user may select a plurality of functional units as needed among all the functional units provided in the function expansion module 2, and arrange the plurality of functional units to obtain the corresponding execution order.
In a preferred embodiment, the machine vision inspection system may include an access module for interfacing with a peripheral input device (e.g., mouse, keyboard) for providing user selection and alignment functions.
Further, in the above-described embodiment, as shown in fig. 3, the algorithm module 1 further includes a first editing unit 11, the function expansion module 2 further includes a second editing unit 21, and the first editing unit 11 is connected to the second editing unit 21;
The first editing unit 11 is configured to edit the visual algorithm, and edit the corresponding visual algorithm according to the functional unit obtained by editing by the second editing unit 21;
The second editing unit 21 is configured to edit the functional units, and edit the corresponding functional units according to the visual algorithm obtained by the first editing unit 11.
In the above embodiment, the user may autonomously expand the visual algorithm and the functional unit;
for example, the first editing unit 11 may add a new visual algorithm, at this time, the second editing unit 21 newly creates a corresponding functional unit according to the newly added visual algorithm;
For example, the first editing unit 11 may modify the visual algorithm, and at this time, the second editing unit 21 modifies the corresponding functional unit according to the modified visual algorithm;
For example, the first editing unit 11 may delete the visual algorithm, and at this time, the second editing unit 21 deletes the corresponding functional unit according to the above-described deleted visual algorithm;
i.e. the editing functions adopted by the first editing unit 11 and the second editing unit 21 coincide.
While using the existing algorithm tools of the software, the user can freely add various algorithms and hardware, including development kits and autonomous algorithms which are mature in the market.
As a preferred embodiment, the functional units include a system tool unit, an image source unit, a positioning functional unit, a measurement functional unit, a calibration functional unit, an image processing unit, a character code type detection unit, a 3D tool unit, an alignment unit, and a data processing unit;
The functional units can be freely combined to realize the multiple functional requirements of a product, and the output parameters (same type) of any functional unit in front of the functional unit can be cited among the functional units, so that the effect of parameter interaction among the functional units is achieved.
Further, in the above embodiment, the interface module 4 further includes:
The third editing unit is configured to edit the corresponding communication interface 41 according to the peripheral device 42.
In the above embodiment, the user may perform autonomous expansion of the communication interface 41 according to the requirement of the peripheral device 42;
For example, the third editing unit may add a new communication interface 41 according to the newly added peripheral device 42 to access the new peripheral device 42;
for example, the third editing unit may modify the communication interface 41 to access the other peripheral device 42 described above;
for example, the third editing unit may add the communication interface 41 as needed.
The communication interface 41 includes: camera driving, IO card driving, serial port hardware interface, network port hardware interface, expansion hardware driving and the like;
in the above embodiment, by editing the communication interface 41, various hardware can be connected, so as to adapt to various complex and changeable test environments.
Further, in the above embodiment, the execution sequence includes: and a functional unit that executes simultaneously.
In the above embodiment, a plurality of functional units can be triggered simultaneously, so that the problems of stiffness and inflexibility of the conventional vision configuration can be solved.
And the multiple functional units can be triggered simultaneously to realize the simultaneous execution of multiple tasks, so that the execution sequence can comprise multiple execution steps of parallel operation, thereby reducing the detection time. Further, in the above embodiment, the execution sequence includes: the exchange of the detection parameters is performed between a plurality of functional units having a sequential execution order.
Further, in the above embodiment, the system further includes a display module, which is respectively connected to the algorithm module 1, the function expansion module 2, the logic acquisition module 3, the interface module 4, and the detection module 5, and is configured to connect to a peripheral display, so as to display the visual algorithm, the functional units associated with the visual algorithm, the execution sequence, and the detection result.
Further, in the above embodiment, the execution sequence is displayed in the form of a flow chart in the display module.
In the above embodiment, the free drag connection may be performed on a plurality of functional units, so that the addition of the functional units may be dragged, and the parameter links of every two functional units may be dragged, thereby constructing the above flowchart for displaying the execution sequence.
As a preferred embodiment, the detection module 5 may include:
An execution unit for performing detection processing on the image data according to an execution order;
and the suspension unit is connected with the execution unit and used for suspending the current execution sequence.
As a preferred embodiment, the detection module 5 may include:
and the circulating unit is connected with the executing unit and is used for performing circulating operation on the executing unit so that the executing unit circularly works.
In the embodiment, the execution sequence is displayed in a flow chart mode, so that the operation is weakened, the logic is enhanced, the thought of a user is clearer, the operation is simpler and more convenient, the training time is saved, and the misoperation probability is reduced.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included within the scope of the present invention.
Claims (7)
1. A machine vision inspection system, comprising:
an algorithm module for storing at least one visual algorithm;
the function expansion module is connected with the algorithm module and comprises a plurality of functional units, and the functional units are arranged in one-to-one correspondence with the vision algorithm;
the logic acquisition module is connected with the function expansion module and used for acquiring the execution sequence among the plurality of function units set by a user;
the interface module comprises a plurality of communication interfaces, wherein each communication interface is connected with corresponding peripheral equipment and is used for receiving image data from the peripheral equipment through the communication interface;
the detection module is respectively connected with the logic acquisition module and the interface module and is used for sequentially detecting the image data by adopting the corresponding functional units according to the execution sequence so as to obtain a corresponding detection result;
In the detection processing process of the detection module, the current functional unit sends detection parameters obtained by detecting the image data to the next functional unit in the execution sequence so as to refer to the detection parameters output by any functional unit before the current functional unit;
the algorithm module further comprises a first editing unit, the function expansion module further comprises a second editing unit, and the first editing unit is connected with the second editing unit;
the first editing unit is used for editing the visual algorithm and editing the corresponding visual algorithm according to the functional unit obtained by the second editing unit;
The second editing unit is used for editing the functional units and editing the corresponding functional units according to the visual algorithm obtained by the first editing unit;
The editing functions adopted by the first editing unit and the second editing unit are consistent.
2. The machine vision inspection system of claim 1, wherein the logic acquisition module comprises:
a selection unit, configured to obtain a plurality of the function units selected by the user;
And the function module acquisition unit is connected with the selection unit and is used for acquiring the execution sequence obtained by arranging the plurality of function units by the user.
3. The machine vision inspection system of claim 1, wherein the interface module further comprises:
and the third editing unit is used for editing the corresponding communication interface according to the peripheral equipment.
4. The machine vision inspection system of claim 1, wherein the execution sequence includes: and the functional units are executed simultaneously.
5. The machine vision inspection system of claim 1, wherein the execution sequence includes: and exchanging the detection parameters among the functional units with the execution sequence.
6. The machine vision inspection system of claim 1, further comprising a display module coupled to the algorithm module, the function expansion module, the logic acquisition module, the interface module, and the inspection module, respectively, for interfacing with a peripheral display to display the vision algorithm, the functional units associated with the vision algorithm, the execution order, and the inspection result.
7. The machine vision inspection system of claim 6, wherein the execution sequence is displayed in a flow chart form in the display module.
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| CN113515313B (en) * | 2020-11-09 | 2024-04-19 | 苏州如林自动化软件科技有限公司 | Motion control card configuration method, computer equipment, motion control method and system |
| WO2024098325A1 (en) * | 2022-11-10 | 2024-05-16 | 京东方科技集团股份有限公司 | Image processing method, three-dimensional measurement method, and electronic device |
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