CN111563501A - Certification identification device and method - Google Patents
Certification identification device and method Download PDFInfo
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- CN111563501A CN111563501A CN202010340591.2A CN202010340591A CN111563501A CN 111563501 A CN111563501 A CN 111563501A CN 202010340591 A CN202010340591 A CN 202010340591A CN 111563501 A CN111563501 A CN 111563501A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/90—Arrangement of cameras or camera modules, e.g. multiple cameras in TV studios or sports stadiums
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
Abstract
The invention relates to the technical field of information identification, in particular to a certification identification device and a certification identification method. And obtaining a target VIN code, image characteristics and character characteristics of the certificate to be identified through the identification device, comparing the target VIN code, the image characteristics and the character characteristics with a VIN code characteristic library and a brand characteristic library, identifying true and false and recording related processes. The identification device and the identification method provided by the invention have the advantages that the efficiency is high, the entry and the identification of the certificate can be rapidly completed, the process can be recorded and traced, and the error rate of personnel is reduced.
Description
Technical Field
The invention relates to the technical field of information identification, in particular to a certification identification device and a certification identification method.
Background
With the development of economy and technology and the improvement of purchasing power of people, motor vehicles are more and more selected as tools for going out, the motor vehicles are also important property components, various illegal and illegal cases around the motor vehicles are more and more, and higher requirements are put forward for motor vehicle registration management. When the motor vehicle is registered and managed, the motor vehicle qualification certificate, the driving certificate, the insurance policy and other data need to be submitted to determine the property and the management state of the motor vehicle, a large amount of relevant information needs to be confirmed and input, particularly, the motor vehicle qualification certificate is used as the identity card of the motor vehicle, is an important certificate of the motor vehicle, and is a necessary certificate for registering, buying and selling and mortgage of the motor vehicle. In the prior art, the entry and the identification of the motor vehicle certification information are manually carried out, so that the efficiency is low, the time is long, the vehicle information entry error is easily caused, and the entry and the identification processes cannot be recorded and traced; the requirement on the professional knowledge of input and identification personnel is high, and the personnel easily make mistakes to cause property loss.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the recording and identification of the certification in the prior art need to be manually carried out, the efficiency is low, the time is long, the mistakes are easy to occur, and the recording and tracing of the process cannot be carried out, so that the identification device which has high efficiency, can quickly complete the recording and identification of the certification, records and traces the whole process, and reduces the error rate of personnel is provided.
The invention also aims to overcome the defect that the certification information needs to be manually identified and input in the prior art, and provides the certification identifying method which can automatically identify and input the certification information and record and trace the whole process.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a certification recognition device, which comprises a body, wherein a placing plate is arranged on the body, a through hole is formed in the middle of the placing plate, a first camera component and a second camera component which face the placing plate are respectively arranged on two sides of the placing plate, and the first camera component and/or the second camera component comprise fluorescence camera components;
the controller is used for verifying and identifying the image of the certificate to be identified, which is acquired by the first camera shooting assembly and the second camera shooting assembly, and comprises a memory and a processor, wherein the memory stores a computer program, and the computer program is used for realizing the following steps when being executed by the processor:
acquiring an image of a certificate to be identified;
identifying the image to obtain a target VIN code characteristic, a pattern characteristic and a character characteristic of the certificate to be identified;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule;
if the consistency of the target VIN code characteristics and the VIN code encoding rules is higher than a preset threshold value, searching whether a VIN code characteristic library corresponding to the target VIN code characteristics exists or not;
if a VIN code feature library corresponding to the target VIN code feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target VIN code feature and the pattern feature and the character feature corresponding to the VIN code feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
Preferably, the fluorescence camera assembly comprises a second camera and at least one ultraviolet lamp.
Preferably, the first camera assembly comprises two first cameras and at least one white light lamp; the second camera shooting assembly comprises a second camera and at least one ultraviolet lamp.
Preferably, the device further comprises at least one plane moving device which moves in a plane relative to the placing plate, and the first camera is mounted on the plane moving device.
Preferably, the portable electronic device further comprises a correlation assembly, wherein the correlation assembly is respectively arranged at two sides of the placing plate and penetrates through the through hole to perform correlation.
The invention also provides a certification recognition method, which comprises the following steps,
acquiring an image of a certificate to be identified;
identifying the image to obtain a target VIN code characteristic, a pattern characteristic and a character characteristic of the certificate to be identified;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule;
if the consistency of the target VIN code characteristics and the VIN code encoding rules is higher than a preset threshold value, searching whether a VIN code characteristic library corresponding to the target VIN code characteristics exists or not;
if a VIN code feature library corresponding to the target VIN code feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target VIN code feature and the pattern feature and the character feature corresponding to the VIN code feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
Preferably, if the VIN code feature library corresponding to the target VIN code feature is not found, analyzing the target brand feature of the certificate to be identified from the target VIN code feature, and finding whether the brand feature library corresponding to the target brand feature exists or not;
if a brand feature library corresponding to the target brand feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target brand feature and the pattern feature and the character feature corresponding to the brand feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
Preferably, if a brand feature library corresponding to the target brand feature is not found, the image of the certificate to be identified is sent to the user equipment.
Preferably, the method further comprises the following steps: and storing the characteristic information of the certificate to be identified which is verified to be true.
Preferably, the storing the feature information of the certificate to be identified, which is verified as true, includes: and updating the verification result of the certificate to be identified as true, uploading the identified pattern characteristics and character characteristics to a VIN characteristic library and a brand characteristic library corresponding to the cloud platform, and updating a VIN code characteristic library and a brand characteristic library corresponding to the local.
The technical scheme of the invention has the following advantages:
1. the certification recognition device comprises a body, wherein a placing plate is arranged on the body, a through hole is formed in the middle of the placing plate, a first camera shooting component and a second camera shooting component which face the placing plate are respectively arranged on two sides of the placing plate, the first camera shooting component and/or the second camera shooting component comprises a fluorescence camera shooting component, the first camera shooting component and the second camera shooting component which face the placing plate are respectively arranged on two sides of the placing plate, so that the front-back side image, the character characteristic and the local high-definition image of the certification can be simultaneously collected, the collection efficiency of the image and the character characteristic of the certification is improved, the brand characteristic on the front side of the certification can be collected by arranging the fluorescence camera shooting component, the image collection of the brand characteristic is realized, the recording and recognition of the certification information can be rapidly completed with high efficiency, and the whole process can be recorded and traced, and the error rate of personnel is reduced.
2. The method for identifying the certificate obtains an image of the certificate to be identified; identifying the image to obtain a target VIN code characteristic, a pattern characteristic and a character characteristic of the certificate to be identified; comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule; if the consistency of the target VIN code characteristics and the VIN code encoding rules is higher than a preset threshold value, searching whether a VIN code characteristic library corresponding to the target VIN code characteristics exists or not; if a VIN code feature library corresponding to the target VIN code feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target VIN code feature and the pattern feature and the character feature corresponding to the VIN code feature library; and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true. Through the steps, the certification information can be automatically identified and input, the certification identification can be efficiently and quickly completed, the whole process can be recorded and traced, and the error rate of personnel is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a certification recognition device according to the present invention;
FIG. 2 is a schematic flow chart of a certification recognition method according to the present invention;
description of reference numerals:
1-body; 2-placing a plate; 3-a first camera assembly; 4-a second camera assembly; 5-a first camera; 6-purple light lamp; 7-a second camera; 8-white light lamp; 9-a planar moving device; 10-a correlation assembly; 11-a camera mount; 12-a fluorescence camera assembly; 13-through hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, in a specific embodiment of the identification device of the present invention, the identification device includes a body 1, a placing plate 2 is disposed on the body, a through hole 13 is disposed in the middle of the placing plate 2, one end of the placing plate 2 is fixedly connected to the body 1, the other end faces a user operation end, a first camera assembly 3 facing the placing plate 2 is disposed at the upper end of the placing plate 2, the first camera assembly 3 includes two first cameras 5 and a white light lamp 8, the two first cameras 5 are specifically industrial cameras, one of which is specifically a 4K industrial camera for collecting local high-definition photographs of the certificate to be identified, and the other 2K industrial camera for collecting global photographs of the certificate to be identified facing one side of the first camera assembly 3; the lower extreme of placing board 2 is provided with the orientation second camera module 4 of placing board 2, second camera module 4 is fluorescence camera module 12, second camera module 4 includes second camera 7 and a purple light 6, second camera 7 specifically is an industry camera, specifically is a 2K industry camera, under the purple light 6 is supplementary, gathers and treats discernment certification orientation the brand feature photo of fluorescence camera module 12 one side. The identification device further comprises a controller, which is used for performing verification identification according to the images of the certificates to be identified, which are acquired by the first camera component 3 and the second camera component 4, wherein the controller comprises a memory and a processor, the memory stores a computer program, the computer program is used for realizing identification of the certificates, and the detailed identification steps are described in detail in the identification method.
As shown in fig. 1, when the certificate to be identified is placed on the placing plate 2, the side of the certificate to be identified with brand features faces the fluorescence camera assembly 12; the white light lamp 8 is arranged on the body 1 between the placing plate 2 and the first camera shooting assembly 3 and is used for supplementing light when the first camera shooting assembly 3 shoots; the ultraviolet lamp 6 is arranged on the body 1 between the placing plate 2 and the fluorescent camera shooting assembly 12 and is used for assisting in collecting brand characteristics of the to-be-identified certificate.
The identification device can simultaneously acquire the front and back images and local high-definition images of the qualified certificate by respectively arranging the first camera component 3 and the second camera component 4 facing the placing plate on the two sides of the placing plate, so that the efficiency of acquiring the qualified certificate images is improved, and the brand characteristics of the qualified certificate can be acquired by arranging the fluorescent camera component 12, so that the image acquisition of the brand characteristics is realized; the method has the advantages of efficiently and quickly completing the input and identification of the certificate information, recording and tracing the whole process, and reducing the error rate of personnel.
As shown in fig. 1, the identification device further includes a correlation assembly 10, wherein the correlation assembly 10 is respectively disposed at two sides of the placing plate 2, and is configured to be correlated with the through hole 13 for monitoring whether the certificate to be identified is placed in the placing plate 2.
As shown in fig. 1, the recognition device further comprises a plane movement device 9 for plane movement relative to the placing plate 2, the plane movement device being specifically a sliding track arranged crosswise; one end of the plane motion device is fixed on the body 1, and the other end of the plane motion device is connected with the first camera 5 of the first camera component or the second camera 7 of the fluorescence camera component 12 through a camera bracket 11; according to the shooting requirements, the first camera 5 and/or the second camera 7 move transversely and longitudinally along the certificate to be identified; the first camera 5 and the second camera 7 are enabled to accurately acquire the required certified photo and brand features to be identified.
The invention also provides a certificate identification method using the identification device. As shown in fig. 2, a first embodiment of a method for identifying a certificate in an embodiment of the present invention includes:
s10, acquiring an image of the certificate to be identified;
the image of the certificate to be identified can be obtained through an identification device, specifically, the ultraviolet lamp 6 is placed on the body 1 between the placing plate 2 and the fluorescent camera assembly 12, and the second camera 7 is assisted to collect the brand characteristics and the related images and character characteristics of the front face of the certificate to be identified; the white light lamp 8 is used for assisting one first camera 5 to collect the reverse side image of the certificate to be identified, the reverse side image of the certificate to be identified contains the target VIN code characteristic and the related image and character characteristic, and the other first camera 5 can collect the local high-definition image of the other first camera 5.
S20, recognizing the image;
after an image of a certificate to be identified is obtained, obtaining characteristic information of the certificate to be identified, wherein the characteristic information comprises a target VIN code characteristic, a pattern characteristic and a character characteristic; specifically, the method comprises the front pattern characteristics and the character characteristics of the certificate to be identified; the front pattern features further comprise brand features of the certificate to be identified, 120g of watermark safety line paper special for the certificate, brand specific printing lace patterns, brand specific logo patterns and colors, safety lines special for the certificate and anti-counterfeiting ink with specific colors. The back pattern characteristics and the character characteristics of the certificate to be identified comprise the target VIN code characteristics of the certificate to be identified, the margin, the font, the stamping pattern, the gray level and the depth of printing ink, the character content and the color saturation. During image recognition, an OCR (optical character recognition) mode can be adopted to extract the target VIN code characteristics in the reverse image of the certificate to be recognized.
S30, judging whether the target VIN code accords with the VIN code coding rule;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule; if the consistency between the target VIN code characteristics and the VIN code encoding rules is lower than the preset threshold, step S80 is executed.
The VIN code encoding rule described in the above embodiment refers to a VIN management rule specified by a country. The predetermined threshold is a metric for determining the consistency between the target VIN code characteristics and the VIN code encoding rules, for example, 99.6% may be taken.
And S80, judging the certificate to be identified as false.
As shown in fig. 2, a second embodiment of the method for identifying a certificate in the embodiment of the present invention includes:
s10, acquiring an image of the certificate to be identified;
s20, recognizing the image;
s30, judging whether the target VIN code accords with the VIN code coding rule;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule; if the consistency between the target VIN code characteristics and the VIN code encoding rules is higher than the preset threshold, step S40 is executed.
S40, searching whether a VIN code feature library corresponding to the target VIN code feature exists or not;
in the embodiment of the invention, the VIN code feature library may be a pre-constructed VIN code feature library, and each VIN code feature in the VIN code feature library not only contains a VIN code feature, but also contains an image feature and a character feature except for the VIN code feature on the side opposite to the certificate where the VIN code feature is located. And if a VIN code feature library corresponding to the target VIN code feature exists in the local VIN code feature library stored in the identification device and the cloud platform VIN code feature library on the server connected with the identification device, executing step S41.
S41, calculating similarity between the pattern features and the character features corresponding to the target VIN code features and the pattern features and the character features corresponding to the VIN code feature library;
specifically, the step of calculating the similarity between the pattern features and the text features corresponding to the target VIN code features and the pattern features and the text features corresponding to the VIN code feature library includes:
comparing image characteristics and character characteristics corresponding to target VIN characteristics and VIN characteristics in the VIN characteristic library; specifically, the image features include stamp patterns, and the text features include fonts, margins in the certificate, printing ink gray levels and depths, text content, and color saturation; and respectively carrying out image matching on the corresponding features, calculating corresponding similarity, distributing corresponding weight to each similarity and calculating the sum of the similarity.
S42, judging whether the similarity is higher than a preset threshold value;
the preset threshold is a measurement standard value for determining similarity between the pattern features and the text features corresponding to the target VIN code features and the pattern features and the text features corresponding to the VIN code feature library, for example, 96% may be adopted.
If the similarity between the pattern features and the character features corresponding to the target VIN code features and the pattern features and the character features corresponding to the VIN code feature library is higher than a preset threshold, executing step S70; otherwise, step S80 is executed.
And S70, the certificate to be identified is true.
And S80, the certificate to be identified is false.
And storing the characteristic information of the certificate to be identified which is verified to be true.
As shown in fig. 2, a third embodiment of a method for identifying a certificate in the embodiment of the present invention includes:
s10, acquiring an image of the certificate to be identified;
s20, recognizing the image;
s30, judging whether the target VIN code accords with the VIN code coding rule;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule; if the consistency between the target VIN code characteristics and the VIN code encoding rules is higher than the preset threshold, step S40 is executed.
S40, searching whether a VIN code feature library corresponding to the target VIN code feature exists or not;
and if the VIN code feature library corresponding to the target VIN code feature is not found, executing step S50.
S50, analyzing a target brand feature from the target VIN code, and searching whether a brand feature library corresponding to the target brand feature exists or not;
in the embodiment of the invention, the brand feature library is constructed in advance, and each brand feature in the brand feature library not only comprises the brand feature, but also comprises the image feature and the character feature of the front side of the certificate where the brand feature is located except the brand feature. If a brand feature library corresponding to the target brand feature exists in the cloud platform brand feature library stored in the local brand feature library of the identification device and the server connected to the identification device, step S51 is executed.
S51, calculating the similarity between the pattern features and the character features corresponding to the target brand features and the pattern features and the character features corresponding to the brand feature library;
specifically, calculating the similarity between the pattern features and the text features corresponding to the target brand features and the pattern features and the text features corresponding to the brand feature library includes:
comparing the image characteristics and the character characteristics corresponding to the target brand characteristics and the brand characteristics in the brand characteristic library; specifically, the image characteristics and the character characteristics comprise brand information, 120g of watermark safety line paper special for certificates, special printing lace patterns of the certificates, special fluorescent mark patterns and colors, special safety lines of the certificates and special color anti-counterfeiting ink; and respectively carrying out image matching on the corresponding features, calculating corresponding similarity, distributing corresponding weight to each similarity and calculating the sum of the similarity.
S52, judging whether the similarity is higher than a preset threshold value;
the preset threshold is a measurement standard value for determining similarity between the pattern feature and the text feature corresponding to the target brand feature and the pattern feature and the text feature corresponding to the brand feature library, for example, 96% may be adopted.
If the similarity between the pattern feature and the text feature corresponding to the target brand feature and the pattern feature and the text feature corresponding to the brand feature library is higher than a preset threshold, executing step S70; otherwise, step S80 is executed.
And S70, the certificate to be identified is true.
And S80, the certificate to be identified is false.
As shown in fig. 2, a fourth embodiment of the method for identifying a certificate in the embodiment of the present invention includes:
s10, acquiring an image of the certificate to be identified;
s20, recognizing the image;
s30, judging whether the target VIN code accords with the VIN code coding rule;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule; if the consistency between the target VIN code characteristics and the VIN code encoding rules is higher than the preset threshold, step S40 is executed.
S40, searching whether a VIN code feature library corresponding to the target VIN code feature exists or not;
if the VIN code feature library corresponding to the target VIN code feature is not found, step S50 is executed.
S50, analyzing a target brand feature from the target VIN code, and searching whether a brand feature library corresponding to the target brand feature exists or not;
if the VIN code feature library corresponding to the target VIN code feature is not found, step S60 is executed.
S60, sending the certificate to the user equipment, carrying out judgment manual examination and judging whether the certificate to be identified is true;
in the step, when the VIN code characteristic library and the brand characteristic library are inquired and have no corresponding VIN code characteristic and brand characteristic, the image and character characteristics of the certificate to be identified are sent to the user equipment, and the certificate to be identified is manually checked.
If the certificate to be identified is true, executing step S61; otherwise, step S80 is executed.
The user equipment is also provided with a central control APP, the central control APP is used for displaying and storing images of the certificates to be identified, the identification device is used, authorization initialization started by the certificate identification method is carried out, and a first camera shooting assembly and a second camera shooting assembly in the identification device can be controlled; connecting the image of the certificate to be identified with a certificate identification method to identify the characteristic information of the certificate to be identified; and the using process of the identification device and the operating process of the certificate identification method are recorded and stored, and the using process of the identification device and the operating process of the certificate identification method can be traced in the later period.
The user equipment is also provided with a two-dimension code identification module for identifying and storing the two-dimension code information in the image of the certificate to be identified.
And S61, updating the VIN code feature library and the brand feature library.
Updating the verification result of the certificate to be identified as true, uploading the VIN code characteristics and brand characteristics obtained by identification to a cloud platform VIN characteristic library and a brand characteristic library through deep learning of an image visual algorithm or manual input, and updating a local VIN characteristic library and the brand characteristic library.
By implementing the method for identifying the certification, the certification information can be automatically identified and input, the certification identification can be efficiently and quickly completed, the whole process can be recorded and traced, and the error rate of personnel is reduced.
And S80, the certificate to be identified is false.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling an electronic device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A certification recognition device, comprising:
the device comprises a body (1), wherein a placing plate (2) is arranged on the body, a through hole (13) is formed in the middle of the placing plate (2), a first camera component (3) and a second camera component (4) facing the placing plate (2) are respectively arranged on two sides of the placing plate (2), and the first camera component (3) and/or the second camera component (4) comprise a fluorescence camera component (12);
the controller is used for verifying and identifying the image of the certificate to be identified, which is acquired by the first camera shooting assembly (3) and the second camera shooting assembly (4), and comprises a memory and a processor, wherein the memory stores a computer program, and the computer program is used for realizing the following steps when being executed by the processor:
acquiring an image of a certificate to be identified;
identifying the image to obtain a target VIN code characteristic, a pattern characteristic and a character characteristic of the certificate to be identified;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule;
if the consistency of the target VIN code characteristics and the VIN code encoding rules is higher than a preset threshold value, searching whether a VIN code characteristic library corresponding to the target VIN code characteristics exists or not;
if a VIN code feature library corresponding to the target VIN code feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target VIN code feature and the pattern feature and the character feature corresponding to the VIN code feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
2. The device according to claim 1, wherein the fluorescent camera assembly (12) comprises a second camera (7) and at least one uv lamp (6).
3. The certification recognition device according to claim 2, wherein the first camera assembly (3) comprises two first cameras (5) and at least one white light lamp (8); the second camera assembly (4) comprises the second camera (7) and at least one ultraviolet lamp (6).
4. The certification device according to claim 3, further comprising at least one planar moving device (9) for planar movement relative to the placing plate (2), wherein the first camera (5) and/or the second camera (7) are/is mounted on the planar moving device (9).
5. The certification device according to any one of claims 1 to 4, further comprising a pair of shooting members (10), wherein the pair of shooting members (10) are respectively disposed at both sides of the placing plate (2) and shoot through the through hole (13).
6. A method for identifying a certificate is characterized by comprising the following steps,
acquiring an image of a certificate to be identified;
identifying the image to obtain a target VIN code characteristic, a pattern characteristic and a character characteristic of the certificate to be identified;
comparing the target VIN code characteristics with the VIN code coding rule, and calculating the consistency with the VIN code coding rule;
if the consistency of the target VIN code characteristics and the VIN code encoding rules is higher than a preset threshold value, searching whether a VIN code characteristic library corresponding to the target VIN code characteristics exists or not;
if a VIN code feature library corresponding to the target VIN code feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target VIN code feature and the pattern feature and the character feature corresponding to the VIN code feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
7. The certification recognition method according to claim 6, wherein if the VIN code feature library corresponding to the target VIN code feature is not found, then resolving a target brand feature of the certification to be recognized from the target VIN code feature, and then finding whether a brand feature library corresponding to the target brand feature exists;
if a brand feature library corresponding to the target brand feature exists, calculating the similarity between the pattern feature and the character feature corresponding to the target brand feature and the pattern feature and the character feature corresponding to the brand feature library;
and judging whether the similarity is higher than a preset threshold value, and if the similarity is higher than the preset threshold value, judging that the certificate to be identified is true.
8. The certification recognition method of claim 7, wherein if a brand feature library corresponding to the target brand feature is not found, sending an image of the certification to be recognized to the user equipment.
9. The certification recognition method of claim 6, further comprising: and storing the characteristic information of the certificate to be identified which is verified to be true.
10. The certification recognition method of claim 9, wherein storing the characteristic information of the certified certificate to be recognized, which is verified as true, comprises: and updating the verification result of the certificate to be identified as true, uploading the identified pattern characteristics and character characteristics to a VIN characteristic library and a brand characteristic library corresponding to the cloud platform, and updating a VIN code characteristic library and a brand characteristic library corresponding to the local.
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