CN114067347A - Automatic verification method of power distribution station design drawing, operation control device and electronic equipment - Google Patents
Automatic verification method of power distribution station design drawing, operation control device and electronic equipment Download PDFInfo
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Abstract
The invention discloses an automatic checking method of a power distribution station design drawing, an operation control device and electronic equipment, wherein the automatic checking method of the power distribution station design drawing comprises the following steps: receiving a power distribution station design drawing; identifying the power distribution station design drawing and obtaining design information; comparing the design information with reference information, wherein the reference information is arranged in a pre-established data set; obtaining error information in the power distribution station design drawing according to the comparison result; outputting the error information; according to the method, the automatic verification of the power distribution station design drawing can be realized, the verification efficiency is improved, the scientific and standard verification standard is provided, and the hidden danger is reduced to a certain extent.
Description
Technical Field
The invention relates to the field of power distribution station design, in particular to an automatic verification method, an operation control device and electronic equipment of a power distribution station design drawing.
Background
At present, in the field of electric power, a substation design drawing is generally drawn manually by an electric power worker and checked manually, however, manual checking of the substation design drawing has a high requirement on a grid worker, and if the grid history and current substation equipment need to be familiar and have abundant working experience. Due to the reasons of network new construction, old line reconstruction and the like, the design drawing needs to be updated in real time, and high labor cost and management cost are needed for checking the design drawing.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides an automatic verification method, an operation control device and electronic equipment for a power distribution station design drawing, which can realize automatic verification of the power distribution station design drawing and save labor cost.
In a first aspect, an embodiment of the present invention provides an automatic verification method for a substation design drawing, including:
receiving a power distribution station design drawing;
identifying the power distribution station design drawing and obtaining design information;
comparing the design information with reference information, wherein the reference information is arranged in a pre-established data set;
obtaining error information in the power distribution station design drawing according to the comparison result;
and outputting the error information.
According to the automatic checking method of the power distribution station design drawing provided by the first aspect of the embodiment of the invention, at least the following beneficial effects are achieved: the power distribution station design drawing is received, information in the power distribution station design drawing is identified, design information is obtained, manual identification of power grid workers is not needed, and labor cost is saved; a data set comprising reference information is preset to prepare for subsequent checking work so as to improve checking efficiency; the identified design information is compared with the reference information, error information in the power distribution station design drawing is obtained according to the comparison result, the error information is output, the labor cost is reduced in the whole checking process, the checking efficiency is improved, the standard specification of scientific and unified is possessed, and hidden dangers are reduced to a certain extent.
In some embodiments of the invention, the reference information comprises:
building standard and specification information of the power distribution station;
historical information in the substation.
In some embodiments of the present invention, the design information includes category and location information of the electrical components, character information, topological relation information; the identifying the substation design drawing and obtaining design information includes:
identifying the electrical elements of the power distribution station design drawing to obtain the category and position information of the electrical elements;
identifying characters of the power distribution station design drawing to obtain the character information;
and identifying the topological relation of the power distribution station design drawing to obtain the topological relation information.
In some embodiments of the present invention, the recognizing the character of the substation design drawing, and obtaining the character information includes:
carrying out image preprocessing on the power distribution station design drawing;
and identifying the characters by adopting a character identification algorithm to obtain the content information of the characters.
In some embodiments of the present invention, the identifying the topological relation of the substation design drawing, and obtaining the topological relation information includes:
carrying out image preprocessing on the power distribution station design drawing;
extracting outline information of the power distribution station design drawing;
and obtaining the topological relation information according to the category and position information of the electrical element and the outline information.
In some embodiments of the invention, an instruction to add or delete the reference information is received;
in response to the instruction, the reference information is added or deleted and the data set is updated.
In some embodiments of the present invention, the error information is analyzed according to the reference information to obtain an error reason and a correction prompt;
and outputting the error reason and the correction prompt.
In a second aspect, an embodiment of the present invention provides an operation control apparatus, including at least one control processor and a memory, which is communicatively connected to the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform a method of automated verification of substation plans as described in any of the embodiments of the first aspect.
According to the second aspect of the embodiment of the present invention, there is provided an operation control device, which has at least the following advantages: the operation control device can execute the automatic checking method of the power distribution station design drawing in any embodiment of the first aspect, so that the automatic checking of the power distribution station design drawing is realized, the labor cost and the management cost are saved, the checking efficiency is improved, the checking has scientific and uniform standard specifications, and the hidden dangers are reduced to a certain extent.
In a third aspect, an embodiment of the present invention provides an electronic device, including the operation control apparatus according to the second aspect.
According to the electronic device provided by the third aspect of the embodiment of the invention, at least the following beneficial effects are achieved: the electronic device comprises the operation control device according to the second aspect, and can execute the automatic checking method of the power distribution station design drawing according to any one of the first aspect, so that the automatic checking of the power distribution station design drawing is realized, the labor cost and the management cost are saved, the checking efficiency is improved, the checking has scientific and uniform standard specifications, and the hidden danger is reduced to a certain extent.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method for automatically checking a distribution substation design drawing according to any one of the embodiments of the first aspect.
According to the computer-readable storage medium provided by the fourth aspect of the embodiment of the present invention, at least the following advantages are provided: the computer-readable storage medium stores computer-executable instructions, which can be used to execute the method for automatically checking a power distribution station design drawing as described in any one of the embodiments of the first aspect, so as to automatically check the power distribution station design drawing, save labor cost and management cost, improve checking efficiency, enable the checking to have scientific and uniform standard specifications, and reduce hidden dangers to a certain extent.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a flow chart illustrating steps of a method for automatically verifying a substation layout according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating steps of an alternative method for automatically verifying a substation layout provided by an embodiment of the present invention;
FIG. 3 is a flow chart illustrating steps of an alternative method for automatically verifying a substation layout provided by an embodiment of the present invention;
FIG. 4 is a flow chart illustrating steps of an alternative method for automatically verifying a substation layout provided by embodiments of the present invention;
FIG. 5 is a flow chart illustrating steps of an alternative method for automatically verifying a substation layout provided by embodiments of the present invention;
fig. 6 is a flowchart illustrating steps of another method for automatically verifying a substation layout according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiment of the invention provides an automatic checking method of a power distribution station design drawing, an operation control device and electronic equipment, which can save labor cost and improve checking efficiency, have scientific and unified checking standards, make checking more standard and reduce hidden dangers to a certain extent.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, some embodiments of the present invention provide an automatic checking method of a distribution substation layout, including, but not limited to, step S100, step S200, step S300, step S400, and step S500.
And step S100, receiving a power distribution station design drawing.
And step S200, identifying the design drawing information of the power distribution station and obtaining the design information.
It should be noted that the design information may include various information, such as information of electrical components, character information, and connection information between device components.
Step S300, comparing the design information with reference information, wherein the reference information is arranged in a pre-established data set.
It should be noted that the data set is pre-established, and the data set includes reference information for subsequent verification work. The data set can be added with the power distribution station construction standard specifications in the form of text information, or some standard specifications in the form of artificial drawings, so that the drawings can be matched in the subsequent verification process, or the data set can be added with the historical power distribution station design drawings, and the artificial drawings and the electronic drawings can be added into the data set. The data marking software can be used for manually marking the pictures, marking the types and positions of the electrical components, and marking different labels for different electrical components in advance, wherein the electrical components commonly used in the power distribution station design drawing comprise a lightning arrester, a transformer, a reactor, a power inductor, a circuit breaker, a capacitor, a disconnecting link, an isolation handcart 1, an isolation handcart 2, a grounding switch, a grounding disconnecting link, a bus, a voltage transformer, a fuse protector, a transformer, a hand knife switch and the like, and preparation is made for subsequent checking work.
And step S400, obtaining error information in the design drawing of the power distribution station according to the comparison result.
In some embodiments, the character information in the design information may be compared with the character information in the reference information to check the character information in the design drawing; image information in the power distribution station design drawing is compared with image information in reference information through a subgraph matching algorithm, and error information in the power distribution station design drawing is identified; the image information in the power distribution station design drawing and the image information in the reference information can be compared through a node traversal algorithm, so that error information in the power distribution station design drawing is identified; the image information extracted from the power distribution station design drawing can be compared with the standard specification information in the reference information to identify error information in the power distribution station design drawing.
In some embodiments, the VF2 algorithm is a sub-graph isomorphic algorithm, the VF2 algorithm may be improved, the improved algorithm is applied to an automatic verification method, when graph matching is performed, a query graph may be divided into multiple sub-graphs, then the VF2 algorithm is used to match the multiple sub-graphs with a target graph one by one, the matching rate of the two graphs is calculated according to the number of matched sub-graphs, the matching rate is greater than a preset threshold, it is determined that the two graphs are matched, otherwise, it is determined that the two graphs are not matched.
Step S500, outputting error information.
In some embodiments, error information is output so that grid personnel can check for the error information.
In some embodiments, the error information and the reference information corresponding to the error information can be output, so that a power grid worker can check the error information according to the reference information, a correction prompt is provided to a certain extent, and the power grid worker can correct the error information in the design drawing of the power distribution station conveniently.
Still other embodiments of the present invention provide a method for automatically checking a design drawing of a distribution substation, wherein the reference information includes standard specification information of construction of the distribution substation and record information of historical distribution substations.
It should be noted that the substation construction standard specification information may include national and local specifications, and the specification of the power supply bureau, and may also include other relevant specifications and standards for the substation, and the record information in the historical substation may include design drawing information of the historical substation, and may also include text information such as device component information and connection information between device components.
In other embodiments of the present invention, an automatic checking method for a substation design drawing is further provided, as shown in fig. 2, fig. 2 is a schematic diagram of another embodiment of a detailed flow of step S200, and step S200 includes, but is not limited to, step S210, step S220, and step S230.
And step S210, identifying the electrical components of the power distribution station design drawing to obtain the category and position information of the electrical components.
In some embodiments, the classification and position information of electrical components in the distribution substation design drawing can be realized by using a deep learning model-based target detection algorithm, an One-Stage detection algorithm, such as a YOLOv3 deep learning algorithm, can be used for detecting and identifying the electrical components, the distribution substation design drawing is input into a network, the deep network is used for extracting the characteristics of a target, the characteristic drawing is introduced to deal with the change problem of the target shape, the target detection accuracy and the position accuracy are optimized and improved, because the resolution of some design drawings is higher, the small component identification effect possibly caused by directly inputting the distribution substation design drawing into the detection network is poor, the distribution substation design drawing can be divided into multiple parts firstly, then the detection and identification are carried out, then the identification results of the multiple parts of small drawings are spliced to obtain the classification and position information of the electrical components, the identification result can be more accurate, the embodiment does not specifically limit the number of the divided parts, the design drawings may be divided into 3 parts, 4 parts, 5 parts, or the like.
In some embodiments, Two-Stage detection algorithms, such as the fast R-CNN algorithm and the master R-CNN algorithm, may also be used to detect and identify electrical components, so as to obtain the category and location information of the electrical components, so as to make the algorithms adapt to distribution station design drawings of different sizes, and identify electrical components with different sizes more accurately, the design drawings may be divided into multiple parts, the complete design drawings and each of the divided small drawings are detected and identified, the identification result is integrated, and the identification error rate of the electrical components is reduced.
And step S220, identifying characters of the power distribution station design drawing to obtain character information.
In some embodiments, the characters of the substation plans may be identified using a suitable character recognition model, and character information is derived from the substation plans for comparison with reference information in preparation for subsequent verification.
And step S230, identifying the topological relation of the power distribution station design drawing to obtain topological relation information.
In some embodiments, the topological relationship of the substation design drawing can be identified through an image processing technology and a target detection technology, and the topological relationship is obtained from the substation design drawing and is used for comparing with reference information to prepare for subsequent verification work.
Other embodiments of the present invention further provide an automatic checking method of a substation design drawing, as shown in fig. 3, fig. 3 is a schematic diagram of another embodiment of a detailed flow of step S220, and step S220 includes, but is not limited to, step S221 and step S222.
And step S221, carrying out image preprocessing on the power distribution station design drawing.
It should be noted that preprocessing is performed on the substation design drawing, which is helpful for subsequent text recognition, and different processing modes can be selected according to different situations, for example, in some embodiments, an average filter can be used to perform filtering processing on the substation design drawing, so as to blur edges and achieve the effect of smoothing images.
In some embodiments, a median filter may be used to effectively reduce salt and pepper noise of the substation plans.
In some embodiments, a power distribution station design drawing may be filtered by using a gaussian filter, so as to reduce a sharp change of a gray value of the power distribution station design drawing, and effectively suppress noise conforming to a normal distribution, where the gaussian distribution function is:
where (x, y) represents coordinate information of a pixel value, and θ is a standard deviation of a normal distribution.
In some embodiments, the substation plans may be sharpened using the laplacian to highlight details of the substation plans, where the formula of the laplacian is:
in some embodiments, the substation plans can be sharpened using a gradient operator, so as to highlight details of the substation plans.
Step S222, recognizing characters by adopting a character recognition algorithm to obtain the content information of the characters.
In some embodiments, a two-stage character recognition algorithm, in which character detection is separated from character recognition, may be used to recognize characters, resulting in character content information. The character region can be detected by using a character detection algorithm, such as an Advanced East algorithm, a feature map is extracted firstly, then multi-scale fusion is carried out on the extracted feature map, and finally confidence coefficient and coordinate information of the text region are output. The content information of the characters can be recognized by using an optical character recognition model, such as a Tesseract OCR model, for the detected text region, the Tesseract OCR model can segment single characters from the text region through a character unit, then each single character is analyzed, and the segmented characters are classified by adopting an adaptive classifier, so that the character recognition of the power distribution station design drawing is realized, and the character information is obtained.
It should be noted that, because the substation layout drawing is a high-resolution picture, the substation layout drawing may be divided into multiple parts, such as three parts, four parts, or five parts, and each of the divided drawings is identified separately, and then the identification results are combined, so as to improve the accuracy of character identification.
Other embodiments of the present invention further provide an automatic checking method of a substation design drawing, as shown in fig. 4, fig. 4 is a schematic diagram of another embodiment of a detailed flow of step S230, and step S230 includes, but is not limited to, steps S231, S232, and step S233.
And step S231, carrying out image preprocessing on the power distribution station design drawing.
In some embodiments, the substation plans may be smoothed using a gaussian filter to remove some unnecessary information and noise in the substation plans, or may be subjected to other processing, such as an average filtering process, a median filtering process, and the like, as long as the subsequent identification of the information of the substation plans is facilitated.
In some embodiments, after removing some noise in the substation design drawing by using the filter, the substation design drawing can be converted from a three-channel image to a single-channel image by grayscale conversion, so that data information in the substation design drawing is reduced, and the processing speed of the substation design drawing is increased. Gray is a Gray value, and the Gray formula is as follows:
in some embodiments, after the power distribution station design drawing is converted from the three-channel image into the single-channel image, the line profile in the power distribution station design drawing can be clearer through binarization processing, namely, a proper threshold value is selected, when the gray value of a pixel point of the power distribution station design drawing is greater than the threshold value, the gray value of the pixel point is 255, otherwise, the gray value is 0, so that the line profile in the power distribution station design drawing is highlighted, and the accuracy and efficiency of subsequent verification are improved.
And step S232, extracting contour information in the power distribution station design drawing.
In some embodiments, after the image preprocessing is performed on the substation design drawing, the contour tracking algorithm may be used to extract and store the coordinate information of the contour from the substation design drawing, or the data feature of the substation design drawing may be processed before the contour information is extracted to remove the target element, so as to facilitate the subsequent extraction of the connecting line contour information.
And step S233, obtaining topological relation information according to the type and position information and the outline information of the electrical element.
In some embodiments, the category and location information of electrical components detected from the substation design drawing is saved to a file, the file is processed, id attributes are assigned to the same-name components, and location and category information of each component is extracted. Comparing the extracted contour information with the element information, only preserving contour coordinate information which meets the following formula (1), deleting contours which do not contain any coordinate information, and only preserving contour information of connecting lines, wherein the formula (1) is as follows:
xmin≤x≤xmax∩ymin≤y≤ymax
wherein x ismin、xmax、yminAnd ymaxCoordinate information detected for the object, and x and y are each contour coordinate information.
Analyzing the connection relation of each connecting line according to the extracted connecting line outline coordinate information and the category and position information of the electrical appliance element, and converting the connection relation of the connecting lines into the topological connection relation of the element, thereby obtaining the information of the topological connection relation in the power distribution station design drawing.
Still other embodiments of the present invention further provide an automatic checking method for a substation design drawing, as shown in fig. 5, fig. 5 is a schematic flow chart of steps of another embodiment of the present invention, including steps S600 and S700.
In step 600, an instruction to add or delete reference information is received.
In some embodiments, in consideration of the progress of the power grid technology or the adjustment of the relevant standards of the distribution substation, the reference information of the distribution substation design drawing needs to be adjusted accordingly, a newly added standard may be added to the reference information, an obsolete standard may be deleted, device element connection information that does not exist before and meets the standard specification may be added, and the data set is updated.
Still other embodiments of the present invention further provide an automatic checking method for a substation design drawing, as shown in fig. 6, fig. 6 is a schematic flow chart of steps of another embodiment of the present invention, including steps S800 and S900.
And step S800, analyzing and processing the error information according to the reference information to obtain an error reason and a correction prompt.
Step S900, an error cause and a correction prompt are output.
In some embodiments, the design information and the reference information are compared, after the error information is obtained, the error information can be analyzed and processed, the difference between the design information and the reference information is compared, the error reason is obtained, the correction prompt is given according to the correct information of the reference information, the error reason and the correction prompt are output, and reference can be provided for power grid workers so as to correct the error information in the design drawing of the power distribution station. It will be understood by those skilled in the art that the error cause and correction prompt output are merely for reference.
It should be noted that only the error reason may be output, and the output error reason may be picture information or text information; the correction prompt can be only output, and the output correction prompt can be picture information or character information, so long as the power grid worker can check the error information.
Other embodiments of the present invention provide an operation control device comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform a method of automatically checking any substation plan as described in the above embodiments. The operation control device executes any one of the automatic checking methods of the power distribution station design drawings, can realize automatic checking of the power distribution station design drawings, saves labor cost and management cost, improves checking efficiency, has scientific and unified checking standards, enables checking to be more scientific and standard, and reduces hidden dangers to a certain extent.
Other embodiments of the present invention provide an electronic device including the operation control apparatus of the above embodiments. The electronic equipment comprises the operation control device of the embodiment, can execute the automatic checking method of the power distribution station design drawing in any one of the embodiments, realizes automatic checking of the power distribution station design drawing, saves labor cost and management cost, improves checking efficiency, enables checking to have scientific and uniform standard specifications, and reduces hidden dangers to a certain extent.
Further embodiments of the present invention provide a computer-readable storage medium having stored thereon computer-executable instructions for causing a computer to perform the method for automatically checking a substation design drawing of any of the embodiments described above. The computer readable storage medium enables the computer to execute the automatic checking method, so that automatic checking of the power distribution station design drawing can be realized, labor cost and management cost are saved, checking efficiency is improved, checking has scientific and uniform standard specifications, and hidden dangers are reduced to a certain extent.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media or non-transitory media and communication media or transitory media. The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks, DVD, or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. An automatic checking method for a power distribution station design drawing is characterized by comprising the following steps:
receiving a power distribution station design drawing;
identifying the power distribution station design drawing and obtaining design information;
comparing the design information with reference information, wherein the reference information is arranged in a pre-established data set;
obtaining error information in the power distribution station design drawing according to the comparison result;
and outputting the error information.
2. The method of claim 1, wherein the reference information comprises:
building standard and specification information of the power distribution station;
historical information in the substation.
3. The automatic checking method of a distribution substation design drawing according to claim 1, wherein said design information includes category and position information of electrical components, character information, topological relation information; the identifying the substation design drawing and obtaining design information includes:
identifying the electrical elements of the power distribution station design drawing to obtain the category and position information of the electrical elements;
identifying characters of the power distribution station design drawing to obtain the character information;
and identifying the topological relation of the power distribution station design drawing to obtain the topological relation information.
4. The method according to claim 3, wherein the identifying the characters of the substation design drawing and obtaining the character information comprises:
carrying out image preprocessing on the power distribution station design drawing;
and identifying the characters by adopting a character identification algorithm to obtain the content information of the characters.
5. The method according to claim 3, wherein the identifying the topological relationship of the substation design drawing and obtaining the topological relationship information comprises:
carrying out image preprocessing on the power distribution station design drawing;
extracting contour information in the power distribution station design drawing;
and obtaining the topological relation information according to the category and position information of the electrical element and the outline information.
6. The method of automatically checking a substation design drawing according to claim 1, further comprising:
receiving an instruction for adding or deleting the reference information;
in response to the instruction, the reference information is added or deleted and the data set is updated.
7. The method of automatically checking a substation design drawing according to claim 1, further comprising:
analyzing and processing the error information according to the reference information to obtain an error reason and a correction prompt;
and outputting the error reason and the correction prompt.
8. An operation control device comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform a method of automated checking of substation plans according to any of claims 1 to 7.
9. An electronic apparatus characterized by comprising the operation control device according to claim 8.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method for automatically checking a substation design drawing according to any one of claims 1 to 7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116229498A (en) * | 2023-04-24 | 2023-06-06 | 华联世纪工程咨询股份有限公司 | Automatic recognition method for column reinforcement information |
| CN116343255A (en) * | 2023-05-23 | 2023-06-27 | 南京有嘉科技有限公司 | Automatic check system for optical character plate in picture |
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2021
- 2021-10-22 CN CN202111236179.7A patent/CN114067347A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116229498A (en) * | 2023-04-24 | 2023-06-06 | 华联世纪工程咨询股份有限公司 | Automatic recognition method for column reinforcement information |
| CN116343255A (en) * | 2023-05-23 | 2023-06-27 | 南京有嘉科技有限公司 | Automatic check system for optical character plate in picture |
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