CN113175879B - Method, device, equipment and medium for detecting T face of sharp-mouth ceramic column - Google Patents
Method, device, equipment and medium for detecting T face of sharp-mouth ceramic column Download PDFInfo
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- CN113175879B CN113175879B CN202110317659.XA CN202110317659A CN113175879B CN 113175879 B CN113175879 B CN 113175879B CN 202110317659 A CN202110317659 A CN 202110317659A CN 113175879 B CN113175879 B CN 113175879B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
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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
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/13—Edge detection
Abstract
The invention discloses a method, a device, equipment and a medium for detecting a T surface of a sharp ceramic column, wherein the method comprises the following steps: capturing the T surface of the tip ceramic column in real time, searching the optimal exposure time of the T surface of the captured tip ceramic column, determining an initial T surface image and displaying the initial T surface image; according to the initial T-plane image, combining a top detection algorithm, adapting to the height of the pointed ceramic column, and determining an indirect T-plane image; searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information, and determining a target T-plane image; acquiring a measurement drawing, and switching target measurement drawings in real time according to actual measurement requirements; and determining the detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing. The invention realizes the improvement of the efficiency and the accuracy of the T-face detection of the tip ceramic column, thereby improving the yield of the tip ceramic column product and being widely applied to the technical field of the tip ceramic column detection.
Description
Technical Field
The invention relates to the technical field of detection of a sharp-mouth ceramic column, in particular to a method, a device, equipment and a medium for detecting a T surface of the sharp-mouth ceramic column.
Background
After the processing of the T surface of the sharp-mouth ceramic column is finished, the processing equipment cannot visually confirm the processing effect of the T surface, and additional T surface detection equipment is required for detection and confirmation; when the processing equipment sets the processing parameters for the first time, detecting the T surface of the sharp-mouth ceramic column can confirm whether the processing parameters are set correctly or not; in the continuous processing process, the T surface of the sharp-mouth ceramic column is required to be inspected in proportion to confirm whether the processing equipment is stable or not, so that whether the processing equipment is abnormal or not can be found in time, and a large number of defective products are avoided. Therefore, how to improve the efficiency and accuracy of detecting and quantifying the T-face processing effect of the sharp-nose ceramic column is an important consideration for the design of detection equipment in the field.
After the existing sharp-mouth ceramic column is processed, the processing effect of the T face is checked manually through a microscope, and data are obtained through manual measurement. The tip ceramic column is inspected through the microscope, the focal length is required to be frequently adjusted manually, the inspection speed is low, the efficiency is low, the microscope does not have measurement scales, quantitative data of a machining effect cannot be obtained manually, and the data can be obtained only through manual measurement again, so that the process is complicated, the efficiency is low, and the data is inaccurate and reliable.
Disclosure of Invention
In view of this, the embodiment of the invention provides a method, a device, equipment and a medium for detecting a T surface of a sharp ceramic column.
In one aspect, an embodiment of the present invention provides a method for detecting a T-face of a ceramic pillar with a sharp nozzle, where the method includes:
capturing the T surface of the tip ceramic column in real time, searching the optimal exposure time of the T surface of the captured tip ceramic column, determining an initial T surface image and displaying the initial T surface image;
according to the initial T-plane image, combining a top detection algorithm, adapting to the height of the pointed ceramic column, and determining an indirect T-plane image;
searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information, and determining a target T-plane image;
acquiring a measurement drawing, and switching target measurement drawings in real time according to actual measurement requirements;
and determining the detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing.
Preferably, before the capturing the T-face of the tip ceramic post in real time and searching for the optimal exposure time of the T-face of the captured tip ceramic post, determining and displaying an initial T-face image, the method further comprises a self-checking step of a camera and a light source, and the step specifically comprises:
acquiring a background image;
determining the difference between the background image and preset background brightness according to the background image;
analyzing the difference between the background image and preset background brightness, and determining the dirt condition of the camera lens;
determining the uniformity of the background image according to the background image;
and analyzing the uniformity of the background image and determining the deviation condition of the light source position.
Preferably, the capturing the T-face of the tip ceramic post in real time searches for an optimal exposure time of the T-face of the captured tip ceramic post, determines an initial T-face image and displays, and includes:
capturing the T surface of the pointed ceramic column in real time, displaying an image in an interface, and analyzing real-time gray information of the image;
according to the real-time gray information of the image, determining the optimal exposure time of the T surface of the captured sharp-mouth ceramic column by using linear change;
and carrying out exposure treatment on the T face of the captured sharp-mouth ceramic column according to the optimal exposure time of the T face of the captured sharp-mouth ceramic column, and determining and displaying an initial T face image.
Preferably, said determining an indirect T-plane image based on said initial T-plane image in combination with a tip detection algorithm, adapting to the height of said tip ceramic post, comprises:
and detecting the top end position of the initial T-face image according to the initial T-face image in combination with a top end detection algorithm, controlling the initial T-face image to move to the interface center position, and determining the indirect T-face image.
Preferably, the determining the target T-plane image according to the indirect T-plane image and combining the image edge sharpness information to search the best focusing position of the indirect T-plane image includes:
moving the indirect T-plane image, and determining edge sharpness information change of the indirect T-plane image;
analyzing the change of the edge sharpness information of the indirect T-plane image to determine the optimal focusing position;
and moving the indirect T-plane image according to the optimal focusing position, and determining the target T-plane image.
Preferably, the determining the detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing includes:
clicking the target T-plane image and the target measurement drawing to determine a clicked boundary line;
detecting the edge position of the target T-plane image according to an edge detection algorithm, and determining the edge of the target T-plane image;
aligning the selected boundary line according to the edge of the target T-plane image, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
Preferably, the determining the detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing includes:
determining a measurement scale according to the target measurement drawing;
moving the target T-plane image, aligning the measurement scale, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
On the other hand, the embodiment of the invention also discloses a device for detecting the T surface of the sharp ceramic column, which comprises the following modules:
the first module is used for capturing the T face of the pointed ceramic column in real time, searching the optimal exposure time of the captured T face of the pointed ceramic column, determining an initial T face image and displaying the initial T face image;
the second module is used for determining an indirect T-face image according to the initial T-face image and combining a top detection algorithm, adapting to the height of the sharp-mouth ceramic column;
the third module is used for searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining with image edge sharpness information to determine a target T-plane image;
the fourth module is used for acquiring a measurement drawing and switching the target measurement drawing in real time according to actual measurement requirements;
and a fifth module, configured to determine a detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing.
On the other hand, the embodiment of the invention also discloses electronic equipment, which comprises a processor and a memory;
the memory is used for storing programs;
the processor executes the program to implement the method as described above.
In another aspect, embodiments of the present invention also disclose a computer readable storage medium storing a program for executing a method as described above by a processor.
Embodiments of the present invention also disclose a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions may be read from a computer-readable storage medium by a processor of a computer device, and executed by the processor, to cause the computer device to perform the foregoing method.
Compared with the prior art, the technical scheme provided by the invention has the following technical effects: according to the embodiment of the invention, the T face of the pointed ceramic column is captured in real time, the optimal exposure time of the captured T face of the pointed ceramic column is searched, and an initial T face image is determined and displayed; according to the initial T-plane image, adapting to the height of the sharp-mouth ceramic column, and determining an indirect T-plane image; searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image, and determining a target T-plane image; accurate acquisition of the T-face image of the sharp-mouth ceramic column is realized; acquiring a measurement drawing, and switching target measurement drawings in real time according to actual measurement requirements; a plurality of measurement drawings can be stored, and measurement scales can be switched in real time according to actual production requirements; determining a detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing; the efficiency and the accuracy of the T-face detection processing effect of the sharp-mouth ceramic column are improved, and therefore the yield of the sharp-mouth ceramic column product is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 left side view of a tip ceramic post T-face detection device according to an embodiment of the present invention;
FIG. 2 is a top view of a tip ceramic post T-face detection device according to an embodiment of the invention;
FIG. 3 is a schematic view of a projection of a T-face of a ceramic post with a sharp tip according to an embodiment of the present invention;
FIG. 4 is a view of the automatic focusing of the detected width of the ceramic posts of the tip;
FIG. 5 is a graph showing the completion of the width of the ceramic posts;
FIG. 6 is a view of the tip ceramic post detection chamfer auto-focus completion;
FIG. 7 is a diagram showing the completion of the chamfer detection of the ceramic post with a sharp mouth;
fig. 8 is a flowchart of an embodiment of the present invention.
Reference numerals: 1. the three-dimensional ceramic lamp comprises a computer, a camera, a light source, a tip ceramic column, a three-dimensional platform, a micro stepping motor, a marble platform, a shock insulation support, a positioning pin and a pressing block, wherein the micro stepping motor is arranged in the direction of 6.Z, the micro stepping motor is arranged in the direction of 7.Y, the marble platform is arranged in the direction of 8, the shock insulation support is arranged in the direction of 9, the positioning pin is arranged in the direction of 10, and the pressing block is arranged in the direction of 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The embodiment of the invention realizes the improvement of the efficiency and accuracy of the detection processing effect by providing the method, the device, the equipment and the medium for detecting the T surface of the sharp-mouth ceramic column, thereby improving the yield of the sharp-mouth ceramic column product.
The embodiment of the invention provides a method for detecting a T surface of a sharp ceramic column, which comprises the following steps:
capturing the T surface of the tip ceramic column in real time, searching the optimal exposure time of the T surface of the captured tip ceramic column, determining an initial T surface image and displaying the initial T surface image;
according to the initial T-plane image, combining a top detection algorithm, adapting to the height of the pointed ceramic column, and determining an indirect T-plane image;
searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information, and determining a target T-plane image;
acquiring a measurement drawing, and switching target measurement drawings in real time according to actual measurement requirements;
and determining the detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing.
Further as a preferred embodiment, before the capturing the T-face of the tip ceramic post in real time, searching for the optimal exposure time of the T-face of the captured tip ceramic post, determining and displaying an initial T-face image, the method further includes a self-checking step of a camera and a light source, and the step specifically includes:
acquiring a background image;
determining the difference between the background image and preset background brightness according to the background image;
analyzing the difference between the background image and preset background brightness, and determining the dirt condition of the camera lens;
determining the uniformity of the background image according to the background image;
and analyzing the uniformity of the background image and determining the deviation condition of the light source position.
Searching the optimal exposure time of the T face of the captured sharp-mouth ceramic column, determining an initial T face image and performing self-checking on a camera and a light source before displaying, firstly collecting a background image through the camera, then analyzing the difference between the brightness of the real-time background image and the preset background brightness, determining the dirt condition of a camera lens according to the difference condition, and giving prompt information in an interface to remind the camera lens of cleaning; and analyzing the uniformity of the background image through the acquired background image, determining the deviation condition of the light source position according to the uniformity of the background image, and giving prompt information in an interface to remind the user of adjusting the light source position.
Further as a preferred embodiment, the capturing the T-face of the tip ceramic post in real time, searching for an optimal exposure time of the captured T-face of the tip ceramic post, determining an initial T-face image and displaying, includes:
capturing the T surface of the pointed ceramic column in real time, displaying an image in an interface, and analyzing real-time gray information of the image;
according to the real-time gray information of the image, determining the optimal exposure time of the T surface of the captured sharp-mouth ceramic column by using linear change;
and carrying out exposure processing on the captured T-face image of the sharp-mouth ceramic column according to the optimal exposure time of the T-face of the captured sharp-mouth ceramic column, and determining and displaying an initial T-face image.
The method comprises the steps of capturing a T face of a tip ceramic column in real time by using a camera, displaying an image in a software interface, analyzing real-time gray information of the image by software, obtaining the best exposure time of the captured T face of the tip ceramic column by combining linear change, carrying out exposure processing on the captured image of the T face of the tip ceramic column, obtaining an initial T face image and displaying the initial T face image in the software interface.
Further as a preferred embodiment, the determining an indirect T-plane image based on the initial T-plane image in combination with a tip detection algorithm, adapting the height of the tip ceramic post, includes:
and detecting the top end position of the initial T-face image according to the initial T-face image in combination with a top end detection algorithm, controlling the initial T-face image to move to the interface center position, and determining the indirect T-face image.
Detecting the top end position of the initial T-plane image by using a top end detection algorithm according to the initial T-plane image displayed in a software interface, and driving a Z-direction micro stepping motor to adjust the initial T-plane image by using a motion control card in a computer, wherein the Z-direction micro stepping motor is arranged on a three-dimensional platform, and the Z direction is the direction of a Z axis of a three-dimensional coordinate axis in the three-dimensional platform; when the initial T-face image is displayed in the interface, controlling a Z-direction micro stepping motor to move the sharp-mouth ceramic column Z downwards until the top end of the initial T-face image moves to the center position of the interface; when the initial T-plane image is not displayed in the interface, the Z-direction micro stepping motor is controlled to move upwards on the tip ceramic column Z until the top end of the initial T-plane image moves to the center of the interface, so that the initial T-plane image can be completely displayed in the interface, and the adjusted image is an indirect T-plane image.
Further as a preferred embodiment, the searching the best focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information to determine a target T-plane image includes:
moving the indirect T-plane image, and determining edge sharpness information change of the indirect T-plane image;
analyzing the change of the edge sharpness information of the indirect T-plane image to determine the optimal focusing position;
and moving the indirect T-plane image according to the optimal focusing position, and determining the target T-plane image.
Referring to fig. 4 and 6, fig. 4 is a view of finishing automatic focusing of the detection width of the T-face of the tip ceramic column, fig. 6 is a view of finishing automatic focusing of the detection chamfer of the T-face of the tip ceramic column, fig. 4 and 6 are views of the T-face image of the target, wherein the position of the indirect T-face image in the interface is changed by driving a Y-direction micro stepping motor to move the T-face of the tip ceramic column in the Y-direction, and the indirect T-face image is obtained by analyzing the change of the edge sharpness information of the indirect T-face image, driving the Y-direction to move until the sharpness information is the maximum position, i.e. the best focusing position, and moving the indirect T-face image to the best focusing position; the Y-direction micro stepping motor is arranged on the three-dimensional platform, and the Y direction is the Y-axis direction of the three-dimensional coordinate axis in the three-dimensional platform.
Further as a preferred embodiment, determining a detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing includes:
clicking the target T-plane image and the target measurement drawing to determine a clicked boundary line;
detecting the edge position of the target T-plane image according to an edge detection algorithm, and determining the edge of the target T-plane image;
aligning the selected boundary line according to the edge of the target T-plane image, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
Referring to fig. 5 and 7, fig. 5 is a graph showing completion of detection of the width of the T-face of the tip ceramic column, and fig. 7 is a graph showing completion of detection of the chamfer of the T-face of the tip ceramic column; the width data and the chamfer data of the T face of the sharp-nose ceramic column can be measured according to the target T face image and the target measurement drawing; when measuring the width data of the T surface of the tip ceramic column, sequentially clicking the upper edge of the target T surface image, the right edge of the target T surface image, the upper reference of the width scale and the right reference of the width scale according to the target T surface image and the target measurement drawing; according to an edge detection algorithm, detecting the upper edge source position of a target T-face image and the right edge position of the target T-face image, translating a measurement scale of a target measurement drawing to enable an upper reference of a width scale to be aligned with the upper edge of the target T-face image, enabling a right reference of the width scale to be aligned with the right edge of the target T-face image, manually reading width measurement data of a T face of a tip ceramic column according to the scale, and analyzing whether processing equipment is abnormal according to the width data of the tip ceramic column; when measuring chamfering data of the T surface of the tip ceramic column, sequentially clicking the upper edge of the target T surface image, the left edge of the target T surface image, an upper chamfering reference and a left chamfering reference according to the target T surface image and the target measurement drawing; according to an edge detection algorithm, detecting the upper edge source position of the target T-face image and the left edge position of the target T-face image, translating a chamfer measurement scale of a target measurement drawing, enabling a chamfer upper reference to be aligned with the upper edge of the target T-face image, enabling a chamfer left reference to be aligned with the left edge of the target T-face image, manually reading chamfer measurement data of a tip ceramic column according to the scale, and analyzing whether processing equipment is abnormal according to the chamfer measurement data of the tip ceramic column T-face.
Further as a preferred embodiment, the determining the detection result of the T-face of the tip ceramic pillar according to the target T-face image and the target measurement drawing includes:
determining a measurement scale according to the target measurement drawing;
moving the target T-plane image, aligning the measurement scale, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
Wherein, the up-down and left-right movement of the target T-plane image can be controlled manually by clicking the function buttons in the software menu bar and clicking the function buttons of Y forward, Y backward, Z upward and Z downward, and aligning the target T-face image with a measurement scale, manually reading the width or chamfer measurement data of the tip ceramic column according to the scale, and analyzing whether the processing equipment is abnormal according to the width or chamfer measurement data of the T-face of the tip ceramic column.
Referring to fig. 8, a specific flow chart of an embodiment of the present invention is further described, and fig. 8 is a specific flow chart of an embodiment of the present invention, in which a camera is used to capture a T-face of a pointed ceramic column to be tested in real time, and the real-time gray information of the captured image is analyzed according to computer software, and an initial T-face image is determined and displayed in an interface; the top detection algorithm is used for adjusting the position of the obtained initial T-face image in the interface, so that the method can be suitable for detecting the ceramic columns with the sharp mouths at different heights; searching out the optimal focusing position of the T-plane image in combination with the image edge sharpness information, and determining the target T-plane image; and (3) obtaining a measurement drawing, carrying out contrast measurement on the T-face image, and finally obtaining the detection information of the T-face of the tip ceramic column to be detected.
The embodiment of the invention also discloses a device for detecting the T surface of the sharp ceramic column, which comprises the following modules:
the first module is used for capturing the T face of the pointed ceramic column in real time, searching the optimal exposure time of the captured T face of the pointed ceramic column, determining an initial T face image and displaying the initial T face image;
the second module is used for determining an indirect T-face image according to the initial T-face image and combining a top detection algorithm, adapting to the height of the sharp-mouth ceramic column;
the third module is used for searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining with image edge sharpness information to determine a target T-plane image;
the fourth module is used for acquiring a measurement drawing and switching the target measurement drawing in real time according to actual measurement requirements;
and a fifth module, configured to determine a detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing.
Referring to fig. 1, 2 and 3, fig. 1 is a left side view of a device for detecting a T-face of a ceramic pillar with a sharp nozzle according to an embodiment of the present invention;
FIG. 2 is a top view of a tip ceramic post T-face detection device according to an embodiment of the invention; FIG. 3 is a schematic view of a projection of a T-face of a ceramic post with a sharp tip according to an embodiment of the present invention; the above modules are stored in the computer in fig. 1.
The embodiment of the invention also discloses an electronic device, which comprises a processor and a memory;
the memory is used for storing programs;
the processor executes the program to implement the method as described in fig. 8.
The embodiment of the invention also discloses a computer readable storage medium, wherein the storage medium stores a program, and the program is executed by a processor to perform the method shown in fig. 8.
Embodiments of the present invention also disclose a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions may be read from a computer-readable storage medium by a processor of a computer device, and executed by the processor, to cause the computer device to perform the method as shown in fig. 8.
In the related art, the processing effect of the T surface of the sharp ceramic column is checked manually through a microscope, and then the detection data is obtained through manual measurement. According to the method, the microscope is required to be used for checking the sharp-mouth ceramic column, and the focal length is required to be adjusted manually frequently, so that the checking speed is low, the efficiency is low, the microscope does not have measurement scales, quantitative data of a machining effect cannot be obtained manually, and only manual measurement can be performed again to obtain the measurement data, so that the process is complicated, the efficiency is low, and the data is inaccurate and reliable.
In summary, the method, the device, the equipment and the medium for detecting the T surface of the sharp ceramic column have the following advantages:
1) The machine vision technology is introduced, the T surface of the tip ceramic column is displayed in a machine interface, a process of manually using a microscope to check and frequently adjust the focal length is replaced, and the detection efficiency of the T surface of the tip ceramic column is improved.
2) The machine vision technology is introduced, the measurement drawing is stored in a software system to replace manual measurement, measurement data is directly obtained according to measurement scales, and the accuracy of detecting the T surface of the sharp ceramic column is improved.
In some alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may in fact be executed substantially concurrently or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flowcharts of the present invention are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed, and in which sub-operations described as part of a larger operation are performed independently.
Furthermore, while the invention is described in the context of functional modules, it should be appreciated that, unless otherwise indicated, one or more of the described functions and/or features may be integrated in a single physical device and/or software module or one or more functions and/or features may be implemented in separate physical devices or software modules. It will also be appreciated that a detailed discussion of the actual implementation of each module is not necessary to an understanding of the present invention. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be apparent to those skilled in the art from consideration of their attributes, functions and internal relationships. Accordingly, one of ordinary skill in the art can implement the invention as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative and are not intended to be limiting upon the scope of the invention, which is to be defined in the appended claims and their full scope of equivalents.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb 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.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
While the preferred embodiment of the present invention has been described in detail, the present invention is not limited to the embodiments described above, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope of the present invention as defined in the appended claims.
Claims (8)
1. The method for detecting the T surface of the tip ceramic column is characterized by comprising the following steps of:
capturing the T surface of the tip ceramic column in real time, searching the optimal exposure time of the T surface of the captured tip ceramic column, determining an initial T surface image and displaying the initial T surface image;
according to the initial T-plane image, combining a top detection algorithm, adapting to the height of the pointed ceramic column, and determining an indirect T-plane image;
searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information, and determining a target T-plane image;
acquiring a measurement drawing, and switching target measurement drawings in real time according to actual measurement requirements;
determining a detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing;
wherein, according to the initial T-face image, combining with a top detection algorithm, adapting to the height of the tip ceramic column, determining an indirect T-face image comprises:
detecting the top position of the initial T-face image by using a top detection algorithm;
the Z-direction micro stepping motor is driven by a motion control card in the computer to adjust the initial T-plane image, and is arranged on the three-dimensional platform, and the Z direction is the direction of the Z axis of a three-dimensional coordinate axis in the three-dimensional platform;
when the initial T-plane image is displayed in the interface, controlling a Z-direction micro stepping motor to perform Z-direction movement on the sharp nozzle ceramic column until the top end of the initial T-plane image moves to the central position of the interface, and determining an indirect T-plane image;
the determining the detection result of the T face of the sharp-mouth ceramic column according to the target T face image and the target measurement drawing comprises the following steps:
clicking the target T-plane image and the target measurement drawing to determine a clicked boundary line;
detecting the edge position of the target T-plane image according to an edge detection algorithm, and determining the edge of the target T-plane image;
aligning the selected boundary line according to the edge of the target T-plane image, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
2. The method for detecting the T-face of a ceramic tip column according to claim 1, wherein before the step of capturing the T-face of the ceramic tip column in real time, searching for the optimal exposure time of the captured T-face of the ceramic tip column, determining and displaying an initial T-face image, the method further comprises a self-inspection step of a camera and a light source, and the step specifically comprises:
acquiring a background image;
determining the difference between the background image and preset background brightness according to the background image;
analyzing the difference between the background image and preset background brightness, and determining the dirt condition of the camera lens;
determining the uniformity of the background image according to the background image;
and analyzing the uniformity of the background image and determining the deviation condition of the light source position.
3. The method for detecting the T-face of a ceramic tip column according to claim 1, wherein capturing the T-face of the ceramic tip column in real time, searching for an optimal exposure time of the captured T-face of the ceramic tip column, determining an initial T-face image, and displaying the initial T-face image, comprises:
capturing the T surface of the pointed ceramic column in real time, displaying an image in an interface, and analyzing real-time gray information of the image;
according to the real-time gray information of the image, determining the optimal exposure time of the T surface of the captured sharp-mouth ceramic column by using linear change;
and carrying out exposure treatment on the T face of the captured sharp-mouth ceramic column according to the optimal exposure time of the T face of the captured sharp-mouth ceramic column, and determining and displaying an initial T face image.
4. The method for detecting a T-plane of a ceramic tip column according to claim 1, wherein the searching the best focusing position of the indirect T-plane image according to the indirect T-plane image and combining image edge sharpness information to determine a target T-plane image comprises:
moving the indirect T-plane image, and determining edge sharpness information change of the indirect T-plane image;
analyzing the change of the edge sharpness information of the indirect T-plane image to determine the optimal focusing position;
and moving the indirect T-plane image according to the optimal focusing position, and determining the target T-plane image.
5. The method for detecting the T-face of the ceramic post of the tip according to claim 1, wherein determining the detection result of the T-face of the ceramic post of the tip according to the target T-face image and the target measurement drawing comprises:
determining a measurement scale according to the target measurement drawing;
moving the target T-plane image, aligning the measurement scale, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
6. The sharp nozzle ceramic column T-face detection device is characterized by comprising the following modules:
the first module is used for capturing the T face of the pointed ceramic column in real time, searching the optimal exposure time of the captured T face of the pointed ceramic column, determining an initial T face image and displaying the initial T face image;
the second module is used for determining an indirect T-face image according to the initial T-face image and combining a top detection algorithm, adapting to the height of the sharp-mouth ceramic column;
the third module is used for searching the optimal focusing position of the indirect T-plane image according to the indirect T-plane image and combining with image edge sharpness information to determine a target T-plane image;
the fourth module is used for acquiring a measurement drawing and switching the target measurement drawing in real time according to actual measurement requirements;
a fifth module, configured to determine a detection result of the T-face of the tip ceramic column according to the target T-face image and the target measurement drawing;
the second module is configured to adapt to the height of the tip ceramic column according to the initial T-plane image in combination with a top detection algorithm, and determine an indirect T-plane image, including:
detecting the top position of the initial T-face image by using a top detection algorithm;
the Z-direction micro stepping motor is driven by a motion control card in the computer to adjust the initial T-plane image, and is arranged on the three-dimensional platform, and the Z direction is the direction of the Z axis of a three-dimensional coordinate axis in the three-dimensional platform;
when the initial T-plane image is displayed in the interface, controlling a Z-direction micro stepping motor to perform Z-direction movement on the sharp nozzle ceramic column until the top end of the initial T-plane image moves to the central position of the interface, and determining an indirect T-plane image;
the fifth module is configured to determine, according to the target T-plane image and the target measurement drawing, a detection result of the T-plane of the tip ceramic column, where the detection result includes:
clicking the target T-plane image and the target measurement drawing to determine a clicked boundary line;
detecting the edge position of the target T-plane image according to an edge detection algorithm, and determining the edge of the target T-plane image;
aligning the selected boundary line according to the edge of the target T-plane image, and directly acquiring measurement data;
and analyzing the sharp-mouth ceramic column according to the measurement data, and determining the detection result of the T face of the sharp-mouth ceramic column.
7. An electronic device comprising a processor and a memory;
the memory is used for storing programs;
the processor executing the program to implement the method of any one of claims 1-5.
8. A computer readable storage medium, characterized in that the storage medium stores a program, which is executed by a processor to implement the method of any one of claims 1-5.
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