CN109903038A - The two dimensional code method of payment and device that multi information is superimposed under complex background - Google Patents
The two dimensional code method of payment and device that multi information is superimposed under complex background Download PDFInfo
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Abstract
Present disclose provides the two dimensional code methods of payment that multi information under a kind of complex background is superimposed, and are in the standby state in two dimension code reading device, if detecting block operation of the user to the screen of two dimension code reading device, acquisition user blocks the occlusion area of screen；To the deconvolution parameter amendment in convolutional neural networks, revised deconvolution parameter is obtained；Image in 2 D code in occlusion area is extracted according to the image information feature that dual camera repeatedly obtains within a preset time；Characteristic parameter in characteristic information, is inputted the quality evaluation network model constructed in advance by the characteristic information for extracting image in 2 D code in occlusion area according to revised deconvolution parameter based on convolutional neural networks, is obtained recognition result and is paid.The method increase the accuracy of two dimension code reading in the state that multi information is superimposed under complex background, provide safety and applicability for subsequent transaction payment.The disclosure additionally provides the two dimensional code payment mechanism that multi information is superimposed under a kind of complex background.
Description
Technical field
This disclosure relates to two dimension code reading and field of photoelectric technology, in particular to multi information under a kind of complex background
The two dimensional code method of payment and device of superposition.
Background technique
In the prior art, popularizing with network payment, mobile payment become many citizen especially young man and are keen to
The means of payment, whether the payment of supermarket's sales counter, food market buy vegetables or station buy tickets, market shopping, people need to only take out hand
Machine, opposite beneficiary two dimensional code, which is swept to sweep, can be completed barcode scanning payment, and operating process is simple and convenient.But since two dimensional code makes door
Sill are low and are easily stolen, therefore there is the risk that information is tampered or forges, as criminal takes advantage of businessman not note that in quotient
Oneself preprepared two dimensional code is sticked on the gathering two dimensional code of family, can be in and sit back and wait and collect money, cause the great wealth of businessman
Produce loss.Simultaneously, by active scan papery or the two dimensional code of fixation, then there can be two dimensional code and maliciously be altered, hook
It draws, causes the multi information on image in 2 D code to be superimposed, influence the realizability of recognition and the subsequent transaction of two dimensional code.
Summary of the invention
The technical issues of in order to solve in the prior art, it is folded that the embodiment of the present disclosure provides multi information under a kind of complex background
The two dimensional code method of payment and device added, under configured with dual camera and screen at the two dimension code reading device of light-operated decoding mould group
Under standby mode, if detecting, user blocks operation to the screen of two dimension code reading device, obtains user and blocks screen
Occlusion area, wherein two dimension code reading device includes under the screen that the predeterminable area of dual camera and opposite dual camera is arranged
Light-operated decoding mould group, dual camera are provided with the first polaroid, and light-operated decoding mould group is provided with the second polaroid under screen, and first
Polaroid is consistent with the polarization direction of the second polaroid, and the first polaroid and the second polaroid are used to carry out the first optical noise
Filtering, the first optical noise are reflection light, and reflection light is the light that the first light passes through screen reflection, and the first light is screen
Along the light of screen axis of ordinates forward direction irradiation in the transmitting light of curtain, the second polaroid is for filtering the second optical noise
Wave, the second optical noise are direct line, and direct line is to emit the light reversely irradiated in light along screen axis of ordinates；It is right
Deconvolution parameter in convolutional neural networks is modified, and obtains revised deconvolution parameter；According to dual camera in preset time
The image information feature inside repeatedly obtained extracts image in 2 D code in occlusion area；Based on convolutional neural networks according to revised
Deconvolution parameter extracts the characteristic information of image in 2 D code in occlusion area, by the characteristic parameter input building in advance in characteristic information
Quality evaluation network model, obtain recognition result simultaneously complete to pay.Improve what the multi information under complex background was superimposed as a result,
The accuracy of two dimension code reading under state, meanwhile, safety and applicability are provided for subsequent transaction payment.
In a first aspect, the embodiment of the present disclosure provides the two dimensional code method of payment that multi information is superimposed under a kind of complex background,
The following steps are included: being in standby configured with dual camera and the two dimension code reading device of decoding mould group light-operated under screen
Under, if detecting, user blocks operation to the screen of the two dimension code reading device, obtains user and blocks the screen
Occlusion area, wherein the two dimension code reading device includes the predeterminable area setting of dual camera and the relatively described dual camera
The screen under light-operated decoding mould group, the dual camera is provided with the first polaroid, and light-operated decoding mould group is set under the screen
Be equipped with the second polaroid, first polaroid is consistent with the polarization direction of second polaroid, first polaroid and
For second polaroid for being filtered to the first optical noise, first optical noise is reflection light, the reflection
Light is the light that the first light passes through the screen reflection, and first light is in the transmitting light of the screen along described
The light of screen axis of ordinates forward direction irradiation, second polaroid is for being filtered the second optical noise, and described second
Optical noise is direct line, and the direct line is the light reversely irradiated in the transmitting light along the screen axis of ordinates
Line；Deconvolution parameter in convolutional neural networks is modified, revised deconvolution parameter is obtained；Existed according to the dual camera
The image information feature repeatedly obtained in preset time extracts image in 2 D code in the occlusion area；Based on the convolutional Neural
Network extracts the characteristic information of image in 2 D code described in the occlusion area according to the revised deconvolution parameter, will be described
Characteristic parameter in characteristic information inputs the quality evaluation network model constructed in advance, obtains recognition result and completes to pay.
In one of the embodiments, further include: the double of bar code reading are suitable for the configuration for being laid in multiple scenes and are taken the photograph
As the two dimension code reading device of head and the control system based on central processing unit carries out networking, and to being laid in multiple scenes
Support and input equipment and printing equipment synergistic application the two dimension code reading device, the control two dimension code reading device
Electric terminal and server cluster three be attached, wherein support to assist with the input equipment and the printing equipment
With application the two dimension code reading device include at least one be suitable for bar code reading camera, it is described at least one be applicable in
Change in the light that the camera of bar code reading is used for 360 ° of full angles of real-time perception, will pass through the central processing unit triggering
Liquid crystal display completes the variation operation of display content.
The described pair of support for being laid in multiple scenes is cooperateed with input equipment and printing equipment in one of the embodiments,
The two dimension code reading device of application, the electric terminal of the control two dimension code reading device and server cluster three into
Row connection includes: at least one the described two dimension code reading device and cloud server cluster that will be laid in multiple scenes by WIFI
It is attached；By bluetooth connection by least one the described two dimension code reading device for being laid in multiple scenes and control described two
The electric terminal of dimension code reading device is attached.
In one of the embodiments, further include: collect image in 2 D code, the image in 2 D code of collection is divided into low quality
Two training sets of image in 2 D code and high quality image in 2 D code, are marked the image of two training sets respectively；To label
The low quality image in 2 D code and high quality image in 2 D code of completion are trained, and construct the quality evaluation network model.
In one of the embodiments, further include: if in the occlusion area in the characteristic information of image in 2 D code
The characteristic parameter be lower than the characteristic information of the image in 2 D code in the quality evaluation network model that constructs in advance
In the characteristic parameter, then the quality enhancing behaviour that network model carries out image in 2 D code is enhanced by the quality that constructs in advance
Make.
The quality enhancing network model is to learn high quality two using TP-GAN technology in one of the embodiments,
The low quality image in 2 D code that label is completed is carried out the supplement of integrity degree and clarity and is converted into height by the characteristics of tieing up code image
The model that the building of quality image in 2 D code generates.
The deconvolution parameter in convolutional neural networks is modified in one of the embodiments, after obtaining amendment
Deconvolution parameter include: the image in 2 D code information input including different information superpositions that will acquire to convolutional Neural net
Network obtains the corresponding feature vector of each image in 2 D code information；Calculate the image in 2 D code of variant information superposition
The corresponding characteristic central point of information；The institute of variant information superposition and same information superposition is calculated according to the characteristic central point
State the similarity of image in 2 D code；The deconvolution parameter is modified according to the similarity.
Second aspect, the embodiment of the present disclosure provide a kind of computer readable storage medium, are stored thereon with computer journey
The step of sequence, which realizes above-mentioned method when being executed by processor.
The third aspect, the embodiment of the present disclosure provide a kind of computer equipment, including memory, processor and are stored in
On reservoir and the computer program that can run on a processor, the processor realize above-mentioned method when executing described program
Step.
Fourth aspect, the embodiment of the present disclosure provide the two dimensional code payment mechanism that multi information is superimposed under a kind of complex background,
Described device includes: acquisition module, the two dimension code reading device for decoding mould group light-operated under configured with dual camera and screen
It is in the standby state, if detecting, user blocks operation to the screen of the two dimension code reading device, obtains user's screening
Keep off the occlusion area of the screen, wherein the two dimension code reading device includes dual camera and the relatively described dual camera
Light-operated decoding mould group under the screen of predeterminable area setting, the dual camera are provided with the first polaroid, light under the screen
Control decoding mould group is provided with the second polaroid, and first polaroid is consistent with the polarization direction of second polaroid, described
For being filtered to the first optical noise, first optical noise is reflected light for first polaroid and second polaroid
Line, the reflection light are the light that the first light passes through the screen reflection, and first light is the transmitting of the screen
Along the light of screen axis of ordinates forward direction irradiation in light, second polaroid is for filtering the second optical noise
Wave, second optical noise are direct line, and the direct line is in the transmitting light along the screen axis of ordinates
The light reversely irradiated；Correction module obtains revised volume for being modified to the deconvolution parameter in convolutional neural networks
Product parameter；Extraction module, the image information feature for repeatedly being obtained within a preset time according to the dual camera extract institute
State image in 2 D code in occlusion area；Identification and payment module, after being based on the convolutional neural networks according to the amendment
Deconvolution parameter extract the characteristic information of image in 2 D code described in the occlusion area, the feature in the characteristic information is joined
The quality evaluation network model that number input constructs in advance obtains recognition result and completes to pay.
The two dimensional code method of payment and device that multi information is superimposed under a kind of complex background provided by the invention, configured with double
Camera and the two dimension code reading device of decoding mould group light-operated under screen are in the standby state, if detecting, user knows two dimensional code
The screen of read apparatus blocks operation, then obtains the occlusion area that user blocks screen, wherein two dimension code reading device includes double
Light-operated decoding mould group under the screen that the predeterminable area of camera and opposite dual camera is arranged, dual camera are provided with the first polarisation
Piece, light-operated decoding mould group is provided with the second polaroid under screen, and the first polaroid is consistent with the polarization direction of the second polaroid, and first
For being filtered to the first optical noise, the first optical noise is reflection light, reflection light for polaroid and the second polaroid
Pass through the light of screen reflection for the first light, the first light is to irradiate in the transmitting light of screen along screen axis of ordinates forward direction
Light, for the second polaroid for being filtered to the second optical noise, the second optical noise is direct line, and direct line is
The light reversely irradiated in transmitting light along screen axis of ordinates；Deconvolution parameter in convolutional neural networks is modified, is obtained
Take revised deconvolution parameter；Occlusion area is extracted according to the image information feature that dual camera repeatedly obtains within a preset time
Middle image in 2 D code；The spy of image in 2 D code in occlusion area is extracted according to revised deconvolution parameter based on convolutional neural networks
Characteristic parameter in characteristic information, is inputted the quality evaluation network model constructed in advance by reference breath, and acquisition recognition result is simultaneously complete
At payment.The accuracy of two dimension code reading in the state that multi information is superimposed under complex background is improved as a result, meanwhile, it is
Subsequent transaction payment provides safety and applicability.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the embodiment of the present disclosure, below to needed in embodiment description
Attached drawing is briefly described:
Fig. 1 is the step for the two dimensional code method of payment that multi information is superimposed under one of one embodiment of the invention complex background
Rapid flow diagram；And
Fig. 2 is the knot for the two dimensional code payment mechanism that multi information is superimposed under one of one embodiment of the invention complex background
Structure schematic diagram.
Specific embodiment
The application is further discussed in detail with reference to the accompanying drawings and examples.
In following introductions, term " first ", " second " only for descriptive purposes, and should not be understood as instruction or dark
Show relative importance.Following introductions provide multiple embodiments of the disclosure, can replace or merge between different embodiments
Combination, therefore the application is it is also contemplated that all possible combinations comprising documented identical and/or different embodiments.Thus, such as
Fruit one embodiment include feature A, B, C, another embodiment include feature B, D, then the application also should be regarded as include containing
A, the every other possible combined embodiment of one or more of B, C, D, although the embodiment may be in the following contents
In have specific literature record.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, to the specific embodiment of two dimensional code method of payment and device that multi information under a kind of complex background of the present invention is superimposed carry out into
One step is described in detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
As shown in Figure 1, for the two dimensional code method of payment of multi information superposition under one of one embodiment complex background
Flow diagram, specifically includes the following steps:
Step 102, the two dimension code reading device of light-operated decoding mould group is in standby shape under configured with dual camera and screen
Under state, if detecting, user blocks operation to the screen of two dimension code reading device, obtains the blocked area that user blocks screen
Domain.
It should be noted that two dimension code reading device includes dual camera and is arranged with respect to the predeterminable area of dual camera
Light-operated decoding mould group, dual camera are provided with the first polaroid under screen, and the first camera in dual camera is arranged in two dimension
The lower section of code reading device transparent display screen, it is mobile eventually using electronics via user above transparent display screen for receiving
Hold the optical signal reflected to form, wherein optical signal is used to detect the characteristic information that user uses electronics mobile terminal, takes the photograph first
Sensing chip as built in head is used to be imaged based on the optical signal for passing through the first camera, wherein sensing chip it is photosensitive
The distance between imaging surface of face and the first camera is more than or equal to preset value, and the imaging surface of the first camera is located at sensing
The either above or below of the photosurface of chip, preset value are 10 μm.In addition, it should be noted that, the camera lens of the first camera is burnt
It is 0.4mm-1.8mm away from range.In addition it is also necessary to explanation, the sensing chip built in the first camera is solid by crystal-bonding adhesive
It is scheduled on the upper surface of flexible circuit board, and sensing chip is electrically connected flexible circuit board by binding line.Wherein, fixed
Glue has at least one of following characteristic: it is opaque to visible light but, with a thickness of 0.02mm~0.10mm, viscosity > 20000mPas, Gu
Change shrinking percentage < 3%.In addition it is also necessary to explanation, is fixed with optically filtering piece by optical cement on sensing chip,
In, optically filtering piece is that infrared cutoff optically filtering piece and/or blue light end optical filter.Those skilled in the art can be with
Understand, the first camera in dual camera can also be used to receive above transparent display screen via user's finger
Touch or press the optical signal reflected to form, wherein optical signal is used to detect the biological information of user's finger.
Further, the lower section of two dimension code reading device transparent display screen is arranged in the second camera in dual camera,
For receiving the light reflected to form via user using the two dimensional code that electronics mobile terminal is shown above transparent display screen
Signal, wherein optical signal is used to detect the image feature information for the two dimensional code that user is shown using electronics mobile terminal, second
Sensing chip built in camera is used to be imaged based on the optical signal for passing through second camera, wherein the sense of sensing chip
The distance between imaging surface of smooth surface and second camera is more than or equal to preset value, and the imaging surface of second camera, which is located at, to be passed
The either above or below of the photosurface of sense chip, preset value are 10 μm.It should be noted that the lens focus model of second camera
It encloses for 0.2mm-2.0mm.In addition it is also necessary to which explanation, the sensing chip built in second camera are fixed on by crystal-bonding adhesive
The upper surface of flexible circuit board, and sensing chip is electrically connected flexible circuit board by binding line.Wherein, fixed glue tool
There is at least one of following characteristic: being opaque to visible light but, with a thickness of 0.02mm~0.10mm, viscosity > 20000mPas, solidification is received
Shrinkage < 3%.In addition it is also necessary to which explanation, is fixed with optically filtering piece by optical cement on sensing chip, wherein light
Learning filter plate is that infrared cutoff optically filtering piece and/or blue light end optical filter.
In addition, it should be noted that, light-operated decoding mould group is provided with the second polaroid under screen, the first polaroid and second is partially
The polarization direction of mating plate is consistent, and the first polaroid and the second polaroid are for being filtered the first optical noise, the first optics
Noise is reflection light, and reflection light is the light that the first light passes through screen reflection, and the first light is the transmitting light of screen
The middle light along the irradiation of screen axis of ordinates forward direction, the second polaroid is for being filtered the second optical noise, the second optics
Noise is direct line, and direct line is to emit the light reversely irradiated in light along screen axis of ordinates.
In addition, it should be noted that, light-operated decoding mould group includes collimation lens, the second polaroid, infrared IR film, light under screen
Two dimensional code sensor is learned, the second polaroid is provided between collimation lens and infrared IR film, infrared IR film is set to optics two dimension
The surface of code sensor.Collimation lens and the second polaroid is integrally disposed or lamination setting.Second polaroid and IR film are integrated
Setting or lamination setting.In addition it is also necessary to illustrate, light-operated decoding mould group can also include collimation lens, second under screen
Polaroid, infrared IR film, optics two dimensional code sensor, are provided with the second polarisation between infrared IR film and optics two dimensional code sensor
Piece, infrared IR film are set to the surface of collimation lens.Infrared IR film and the second polaroid is integrally disposed or lamination setting.The
Two polaroids and the setting of optics two dimensional code sensor integration or lamination setting.Wherein, the screen of two dimension code reading device includes
Liquid crystal display LCD screen or Organic Light Emitting Diode OLED display screen.And first optical noise and/or the second optical noise be
The light of predeterminable area transmitting.
In addition it is also necessary to explanation, the two dimension code reading of light-operated decoding mould group is filled under configured with dual camera and screen
It sets and is in the standby state, user blocks operation to the screen of two dimension code reading device if detecting, obtains user and blocks
It include: the configuration for being laid in multiple scenes is suitable for the dual camera of bar code reading and is based on before the occlusion area of screen
The two dimension code reading device of the control system of central processor carries out networking, and support and input equipment to multiple scenes are laid in
And printing equipment synergistic application two dimension code reading device, control two dimension code reading device electric terminal and server cluster
Three is attached, wherein supports that with input equipment and the two dimension code reading device of printing equipment synergistic application include at least one
A camera suitable for bar code reading, at least one camera for being suitable for bar code reading are used for 360 ° of full angles of real-time perception
Light variation, with will pass through central processing unit triggering liquid crystal display complete display content variation operation.Specifically, to being laid in
The support of multiple scenes and input equipment and the two dimension code reading device of printing equipment synergistic application, control two dimension code reading device
Electric terminal and server cluster three be attached include: by WIFI by be laid in multiple scenes at least one two
Dimension code reading device is attached with cloud server cluster；At least one two dimension of multiple scenes will be laid in by bluetooth connection
Code reading device and the electric terminal of control two dimension code reading device are attached.Further, it is also possible to pass through wired connection for cloth
The electric terminal for being located at least one two dimension code reading device and control two dimension code reading device of multiple scenes is attached.By
This, improves the diversity and multi-selection of networking arrangement.
It should be noted that the dual camera for being suitable for being not limited to bar code reading, which can perceive front, bar code or two dimension
When code, display content is removed, display screen is become into transparent glass convenient for recognition.The intelligence of two dimension code reading device is enhanced as a result,
It can property and ease for use.In addition, can also be known while screen display content by being handled based on preset algorithm in central processing unit
Read bar code or QR code content.The diversity and flexibility that two dimension code reading device uses are improved as a result,.
In addition it is also necessary to which explanation, two dimension code reading device can also be preferable configured with double screen, which is double
The asynchronous liquid crystal display panel in face specifically includes first substrate and the first liquid crystal display for being respectively arranged at first substrate two sides
With the second liquid crystal display, the first liquid crystal display includes the first electrode layer and successively close to one side surface of first substrate
Liquid crystal layer, the second electrode lay and the second substrate in first electrode layer are set；Second liquid crystal display includes close to first
The third electrode layer of another side surface of substrate and the bistable liquid crystal layer being successively set on third electrode layer, the 4th electrode layer,
Third substrate and backlight module.Specifically, first electrode layer and third electrode layer have phase equipotential.First substrate is equipped with extremely
Few one runs through the via hole of first substrate, and first electrode layer and third electrode layer are formed by via hole to be electrically connected.First electrode layer
Be equipped with flexible drive circuit board between third electrode layer, first electrode layer and third electrode layer respectively with flexible drive circuit board
Form electrical connection.When electric field is null field between third electrode layer and the 4th electrode layer, the second liquid crystal cells are real under ambient
Now reflection display；There are when electric field between third electrode layer and the 4th electrode layer, pellucidity is presented in the second liquid crystal cells.Third
There are when electric field between electrode layer and the 4th electrode layer, pellucidity is presented in the second liquid crystal cells, and the light in backlight module is worn
The second liquid crystal display and first substrate are crossed, the first liquid crystal display is using light as backlight.First electrode layer or
It include the first tft array layer in two electrode layers；It include the second tft array layer in third electrode layer or the 4th electrode layer.Second base
Plate is equipped with the first polaroid far from the side of liquid crystal layer, and color membrane substrates are additionally provided between the second substrate and the second electrode lay；Third
The second polaroid is equipped between substrate and backlight module or between first substrate and first electrode layer.Pass through two-sided asynchronous liquid crystal
The setting for showing panel effectively improves the ease for use paid for mobile payment device and high experience property.
It will be appreciated by persons skilled in the art that the control system based on central processing unit mainly incudes mould by barcode scanning
Block, backlight module, supplementary lighting module, image capture module, decoder module, main control module composition.Specifically, barcode scanning induction module position
In two dimension code reading device, i.e., above barcode scanning box, the barcode scanning movement of user can be perceived, this perception information is transmitted to master control mould
Block, i.e. main control chip are handled.After main control chip receives user's barcode scanning signal, control transparence display window is closed all aobvious
Show content, transparence display window becomes to complete transparent glass, and image in 2 D code information is allowed to complete across transparency display window
Mouth is imaged.Induction module includes but is not limited to one of following several forms or multiple combinations mode: infrared distance perception
Answer module；Ultrasonic distance induction module；Light sensing module；Electromagnetic field inducing module.In addition it is also necessary to which explanation, sweeps
Also reusable image capture module carries out operation realization to code induction module, monitors mobile variation or light by image capture module
Variation, perception barcode scanning movement.Further, transparence display window can show according to the instruction that main control module transmits and mention accordingly
Show guidance information, all displays are closed in the instruction that can also be transmitted according to main control module, are become transparent glass window, are allowed two dimensional code
Image light in image capture module normal through being imaged.Transparent liquid crystal display, example can be selected in transparence display window
Such as transparent TN-LCD, transparent TFT-LCD, transparent OLED display screen, transparent PDP display screen plasma display.
Further, it should be noted that backlight module passes through light guide plate, light using white led lamps as light source
The modes such as bowl form uniform white light, obtain clearly as the backlight of transparent video screen, while also as barcode scanning light filling
Clear image in 2 D code information.Supplementary lighting module is located at transparence display with image capture module positioned at the top of transparent display screen
The two sides of optical window.When distinguishing papery bar code, clearly bar code image information can be obtained as fill-in light photograph.Image capture module
The image information in front of equipment can be obtained, collected image in 2 D code information is transmitted to decoder module.Decoder module is to obtaining
The image in 2 D code information taken carries out image procossing, and carries out two dimensional code decoding according to decoding algorithm, and decoding result is transmitted to
Main control module.Main control module realizes operation, the control of each functional module of equipment.In addition, the use based on two dimension code reading device
Before barcode scanning, scanning guidance information, amount of money prompt information or other ad contents are shown on device transparency display window.Work as barcode scanning
It when induction module perceives barcode scanning payment movement, closes window and shows information, become fully transparent barcode scanning recognition optical window, image
Acquisition module obtains the two-dimensional barcode information in front by transparent optical window, and decoder module obtains image in 2 D code information and is decoded,
After completing decoding, transparence display window shows the contents such as result information, advertising information.Subsequent equipment is recycled into next barcode scanning
Logic.The diversity and flexibility of the application of two dimension code reading device are increased as a result,.
In addition it is also necessary to explanation, the structure of two dimension code reading device can also be to be configured with LCD screen and leaded light
The spine two dimension code reading device of the shared windows of plate form, and including barcode scanning lamp bowl.Specifically, LCD screen and light guide plate
The shared windows of form specifically include shared windows main body；Fixed window is provided in main body；Fixed window includes right-angled intersection
The fisrt feature window and second feature window of setting；At least one is provided on fisrt feature window and second feature window
Fixed device.Fixed device includes grab and card slot；Grab and card slot are separately positioned on fisrt feature window or second feature window
The opposite sides of mouth is fixed after capable of being blocked LCD screen or light guide plate form by card slot by grab.In addition,
Fixed device includes the grab being arranged in pairs, and each pair of grab is separately positioned on the opposite of fisrt feature window or second feature window
Two sides.Grab includes being fixedly connected with portion and clamping portion；Portion is fixedly connected with to be fixedly connected with shared windows main body；Clamping portion fixation is set
It sets in the side for being fixedly connected with portion.Clamping portion is provided with slide-in inclined-plane far from the side of main body, can facilitate light guide plate form or
The entrance of LCD screen.Clamping portion is close to shared windows, the i.e. side of the side of tabula rasa form or LCD screen main body and fixation
Interconnecting piece is vertical.Being fixedly connected with portion is elastic material.On different grabs, the distance between clamping portion and shared windows main body are no
Together.Fisrt feature window and the coaxial arrangement of second feature window.It further include third feature window；Third feature window is respectively with
One characteristic window is connected to second feature window intersection；It is provided at least one on third feature window and fixes device.
In addition it is also necessary to which explanation, supports the two dimension code reading device with input equipment and printing equipment synergistic application
In input equipment be with the input keyboard of desktop computer cooperating or the input keyboard of PC all-in-one machine or have computing function with
Assist the digital function keyboard of delivery operation function.Printing equipment is printer, is specifically included: paper feeding entrance is arranged and prints
Mouthful body, be provided with thermal printing module in body, it is low to be provided at least one between paper feeding entrance and thermal printing module
Warm cooling chamber, thermal printing module and printing outlet between by transmission mechanism be connected in turn overlay film module, be cold-pressed module,
Cut module.Specifically, at least one sub-cooled chamber is used to reduce paper surface temperature using cold air；Thermal printing module
For printing to paper, printed paper transport is given to overlay film module；Overlay film module is for receiving thermal printing module
The paper of transmission, and by paper overlay film, give paper transport coated with film to cold pressing module；Cold pressing module is for receiving overlay film module
The paper of transmission is cold-pressed paper on overlay film surface, and gives the paper sheet delivery after cold pressing to cutting module；Module is cut to use
In the paper for receiving cold pressing module transfer, paper is cut by specification, and give the paper transport after the completion of cutting to printing outlet.This
Outside, sub-cooled chamber is additionally provided between thermal printing module and overlay film module.In addition, being additionally provided on body interconnected
Display module, controller, thermal printing module, cold pressing module, cut module and connect with controller and by work overlay film module
Working condition is transferred to display module to controller, controller by state transfer.
Step 104, the deconvolution parameter in convolutional neural networks is modified, obtains revised deconvolution parameter.
Specifically, be modified to the deconvolution parameter in convolutional neural networks, obtain revised deconvolution parameter include: by
The image in 2 D code information input including different information superpositions obtained obtains each image in 2 D code information to convolutional neural networks
Corresponding feature vector；Calculate the corresponding characteristic central point of image in 2 D code information of variant information superposition；According in feature
Heart point calculates the similarity of the image in 2 D code of variant information superposition and same information superposition；Convolution is joined according to similarity
Number is modified.Modified high efficiency and accuracy are improved as a result,.
In addition it is also necessary to which explanation, calculates variant information superposition and same information superposition according to characteristic central point
Image in 2 D code similarity include: calculate same information superposition feature vector it is several with the Europe of corresponding characteristic central point in
Distance, count that each feature vector corresponds to Euclidean distance stirs situation, the two dimensional code figure as variant information superposition
The similarity of picture；The Euclidean distance between the characteristic central point of variant information superposition is calculated, as variant information superposition
Image in 2 D code similarity.Wherein, counting each feature vector and corresponding to the situation of stirring of Euclidean distance includes: to calculate respectively
Feature vector corresponds to the variance of Euclidean distance.
In addition it is also necessary to explanation, being modified according to similarity to deconvolution parameter includes: to be constructed to roll up according to similarity
The loss function of product neural network, and be modified according to deconvolution parameter of the loss function to convolutional neural networks.This technology neck
Domain personnel, which are also understood that, is, it is preferable that stochastic gradient descent method can be also based on according to loss function to convolutional neural networks
Deconvolution parameter be modified.
Step 106, it is extracted in occlusion area according to the image information feature that dual camera repeatedly obtains within a preset time
Image in 2 D code.Wherein, it should be noted that the image information feature pair repeatedly obtained within a preset time according to dual camera
Image in 2 D code is cut, the final image in 2 D code extracted in occlusion area.Image in 2 D code extraction is improved as a result,
Accuracy and rapidity.
Step 108, image in 2 D code in occlusion area is extracted according to revised deconvolution parameter based on convolutional neural networks
Characteristic information, by reference cease in characteristic parameter input the quality evaluation network model that constructs in advance, obtain recognition result simultaneously
Complete payment.
In one embodiment, the two dimensional code method of payment that multi information is superimposed under the complex background that the disclosure proposes also is wrapped
It includes: collecting image in 2 D code, the image in 2 D code of collection is divided into low quality image in 2 D code and high quality image in 2 D code two
The image of two training sets is marked in a training set respectively；The low quality image in 2 D code and high quality completed to label
Image in 2 D code is trained, and constructs quality evaluation network model.In addition, it should be noted that, in one embodiment, this public affairs
Open the two dimensional code method of payment that multi information under the complex background of proposition is superimposed further include: if in occlusion area image in 2 D code spy
Characteristic parameter in reference breath is lower than in the characteristic information of the image in 2 D code in the quality evaluation network model constructed in advance
Characteristic parameter then enhances the quality enhancing operation that network model carries out image in 2 D code by the quality constructed in advance.Wherein, matter
Amount enhancing network model is the characteristics of learning high quality image in 2 D code using TP-GAN technology, the low quality that label is completed
Image in 2 D code carries out the supplement of integrity degree and clarity and is converted into the model that the building of high quality image in 2 D code generates.
The two dimensional code method of payment that multi information is superimposed under a kind of complex background provided by the invention is being configured with dual camera
It is in the standby state with the two dimension code reading device of decoding mould group light-operated under screen, if detecting user to two dimension code reading device
Screen block operation, then obtain the occlusion area that user blocks screen, wherein two dimension code reading device includes dual camera
Light-operated decoding mould group under the screen being arranged with the predeterminable area of opposite dual camera, dual camera are provided with the first polaroid, shield
Under light-operated decoding mould group be provided with the second polaroid, the first polaroid is consistent with the polarization direction of the second polaroid, the first polarisation
For being filtered to the first optical noise, the first optical noise is reflection light for piece and the second polaroid, reflection light the
One light passes through the light of screen reflection, and the first light is the light in the transmitting light of screen along the irradiation of screen axis of ordinates forward direction
Line, for the second polaroid for being filtered to the second optical noise, the second optical noise is direct line, and direct line is transmitting
The light reversely irradiated in light along screen axis of ordinates；Deconvolution parameter in convolutional neural networks is modified, acquisition is repaired
Deconvolution parameter after just；It is extracted two in occlusion area according to the image information feature that dual camera repeatedly obtains within a preset time
Tie up code image；Believed based on convolutional neural networks according to the feature that revised deconvolution parameter extracts image in 2 D code in occlusion area
Characteristic parameter in characteristic information is inputted the quality evaluation network model constructed in advance by breath, is obtained recognition result and is completed to prop up
It pays.The method increase the accuracy of two dimension code reading in the state that multi information is superimposed under complex background, meanwhile, it is subsequent
Transaction payment safety and applicability are provided.
Based on the same inventive concept, the two dimensional code payment mechanism that multi information is superimposed under a kind of complex background is additionally provided.By
It is similar in the two dimensional code method of payment that the principle that this device solves the problems, such as is superimposed with multi information under a kind of aforementioned complex background, because
This, the implementation of the device can realize that overlaps will not be repeated according to the specific steps of preceding method.
As shown in Fig. 2, for the two dimensional code payment mechanism of multi information superposition under one of one embodiment complex background
Structural schematic diagram.The two dimensional code payment mechanism 10 that multi information is superimposed under the complex background includes: to obtain module 200, correction module
400, extraction module 600 and identification and payment module 800.
Wherein, module 200 is obtained to be used to fill configured with dual camera and the two dimension code reading of decoding mould group light-operated under screen
It sets and is in the standby state, user blocks operation to the screen of two dimension code reading device if detecting, obtains user and blocks
The occlusion area of screen, wherein two dimension code reading device includes dual camera and is arranged with respect to the predeterminable area of dual camera
Light-operated decoding mould group under screen, dual camera are provided with the first polaroid, and light-operated decoding mould group is provided with the second polaroid under screen,
First polaroid is consistent with the polarization direction of the second polaroid, and the first polaroid and the second polaroid are used for the first optical noise
It is filtered, the first optical noise is reflection light, and reflection light is the light that the first light passes through screen reflection, the first light
For screen transmitting light in along screen axis of ordinates forward direction irradiation light, the second polaroid be used for the second optical noise into
Row filtering, the second optical noise are direct line, and direct line is to emit the light reversely irradiated in light along screen axis of ordinates
Line；Correction module 400 obtains revised deconvolution parameter for being modified to the deconvolution parameter in convolutional neural networks；It mentions
The image information feature that modulus block 600 is used to repeatedly be obtained within a preset time according to dual camera extracts two dimension in occlusion area
Code image；Identification is used to extract occlusion area according to revised deconvolution parameter based on convolutional neural networks with payment module 800
Characteristic parameter in characteristic information is inputted the quality evaluation network model constructed in advance by the characteristic information of middle image in 2 D code,
It obtains recognition result and completes to pay.
The two dimensional code payment mechanism that multi information is superimposed under a kind of complex background provided by the invention is being matched by obtaining module
It is equipped with dual camera and the two dimension code reading device of decoding mould group light-operated under screen is in the standby state, if detecting user to two
That ties up the screen of code reading device blocks operation, then obtains the occlusion area that user blocks screen, wherein two dimension code reading device
Light-operated decoding mould group under the screen that predeterminable area including dual camera and opposite dual camera is arranged, dual camera are provided with the
One polaroid, light-operated decoding mould group is provided with the second polaroid, the polarization direction one of the first polaroid and the second polaroid under screen
It causes, the first polaroid and the second polaroid are for being filtered the first optical noise, and the first optical noise is reflection light, instead
Penetrate light be the first light pass through screen reflection light, the first light be screen transmitting light in along screen axis of ordinates just
To the light of irradiation, for the second polaroid for being filtered to the second optical noise, the second optical noise is direct line, direct projection
Light is to emit the light reversely irradiated in light along screen axis of ordinates；By correction module to the volume in convolutional neural networks
Product parameter is modified, and obtains revised deconvolution parameter；It is more within a preset time according to dual camera by extraction module again
The image information feature of secondary acquisition extracts image in 2 D code in occlusion area；Convolution mind is based on eventually by identification and payment module
The characteristic information for extracting image in 2 D code in occlusion area according to revised deconvolution parameter through network, by the spy in characteristic information
Sign parameter inputs the quality evaluation network model constructed in advance, obtains recognition result and completes to pay.The arrangement increases multiple
The accuracy of two dimension code reading under miscellaneous background in the state of multi information superposition, meanwhile, safety is provided for subsequent transaction payment
Property and applicability.
The embodiment of the invention also provides a kind of computer readable storage medium, stored on the computer readable storage medium
There is computer program, which is executed by processor in Fig. 1.
The embodiment of the invention also provides a kind of computer program products comprising instruction.When the computer program product exists
When being run on computer, so that the method that computer executes above-mentioned Fig. 1.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
The basic principle of the disclosure is described in conjunction with specific embodiments above, however, it is desirable to, it is noted that in the disclosure
The advantages of referring to, advantage, effect etc. are only exemplary rather than limitation, must not believe that these advantages, advantage, effect etc. are the disclosure
Each embodiment is prerequisite.In addition, detail disclosed above is merely to exemplary effect and the work being easy to understand
With, rather than limit, it is that must be realized using above-mentioned concrete details that above-mentioned details, which is not intended to limit the disclosure,.
Device involved in the disclosure, device, equipment, system block diagram only as illustrative example and being not intended to
It is required that or hint must be attached in such a way that box illustrates, arrange, configure.As those skilled in the art will appreciate that
, it can be connected by any way, arrange, configure these devices, device, equipment, system.Such as "include", "comprise", " tool
" etc. word be open vocabulary, refer to " including but not limited to ", and can be used interchangeably with it.Vocabulary used herein above
"or" and "and" refer to vocabulary "and/or", and can be used interchangeably with it, unless it is not such that context, which is explicitly indicated,.Here made
Vocabulary " such as " refers to phrase " such as, but not limited to ", and can be used interchangeably with it.
In addition, as used herein, the "or" instruction separation used in the enumerating of the item started with "at least one"
It enumerates, such as enumerating for " at least one of A, B or C " means A or B or C or AB or AC or BC or ABC (i.e. A and B and C).
In addition, wording " exemplary " does not mean that the example of description is preferred or more preferable than other examples.
Above description is had been presented for for purposes of illustration and description.In addition, this description is not intended to the reality of the disclosure
It applies example and is restricted to form disclosed herein.Although already discussed above multiple exemplary aspects and embodiment, this field skill
Its certain modifications, modification, change, addition and sub-portfolio will be recognized in art personnel.
Claims (10)
1. the two dimensional code method of payment that multi information is superimposed under a kind of complex background, which comprises the following steps:
It is in the standby state configured with dual camera and the two dimension code reading device of decoding mould group light-operated under screen, if detecting
User blocks operation to the screen of the two dimension code reading device, then obtains the occlusion area that user blocks the screen,
In, the two dimension code reading device include the predeterminable area setting of dual camera and the relatively described dual camera the screen under light
Control decoding mould group, the dual camera are provided with the first polaroid, and light-operated decoding mould group is provided with the second polarisation under the screen
Piece, first polaroid is consistent with the polarization direction of second polaroid, first polaroid and second polarisation
For piece for being filtered to the first optical noise, first optical noise is reflection light, and the reflection light is the first light
Line passes through the light of the screen reflection, and first light is in the transmitting light of the screen along the screen axis of ordinates
The light of forward direction irradiation, for second polaroid for being filtered to the second optical noise, second optical noise is straight
Light is penetrated, the direct line is the light reversely irradiated in the transmitting light along the screen axis of ordinates；
Deconvolution parameter in convolutional neural networks is modified, revised deconvolution parameter is obtained；
Two dimension in the occlusion area is extracted according to the image information feature that the dual camera repeatedly obtains within a preset time
Code image；
Two dimensional code described in the occlusion area is extracted according to the revised deconvolution parameter based on the convolutional neural networks
Characteristic parameter in the characteristic information is inputted the quality evaluation network model constructed in advance by the characteristic information of image, is obtained
Recognition result simultaneously is completed to pay.
2. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 1, which is characterized in that also wrap
It includes: the dual camera for be suitable for bar code reading to the configuration for being laid in multiple scenes and the control system based on central processing unit
The two dimension code reading device carries out networking, and cooperates with and answer with input equipment and printing equipment to the support for being laid in multiple scenes
The two dimension code reading device, the electric terminal of the control two dimension code reading device and server cluster three carry out
Connection, wherein support that with the input equipment and the two dimension code reading device of the printing equipment synergistic application include extremely
Few one is suitable for the camera of bar code reading, at least one described camera for being suitable for bar code reading is used for real-time perception
The light variation of 360 ° of full angles, will pass through the variation operation that the central processing unit triggering liquid crystal display completes display content.
3. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 2, which is characterized in that described
The two dimension code reading device, control institute to the support and input equipment and printing equipment synergistic application that are laid in multiple scenes
The electric terminal and server cluster three for stating two dimension code reading device be attached include: will be laid in by WIFI it is multiple
At least one of scene two dimension code reading device is attached with cloud server cluster；
By at least one the described two dimension code reading device for being laid in multiple scenes and the two dimensional code is controlled by bluetooth connection
The electric terminal of reading device is attached.
4. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 1, which is characterized in that also wrap
It includes: collecting image in 2 D code, the image in 2 D code of collection is divided into low quality image in 2 D code and high quality image in 2 D code two
The image of two training sets is marked in a training set respectively；
The low quality image in 2 D code and high quality image in 2 D code complete to label are trained, and construct the quality evaluation net
Network model.
5. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 1, which is characterized in that also wrap
It includes: if the characteristic parameter in the occlusion area in the characteristic information of image in 2 D code is described lower than constructing in advance
The characteristic parameter in the characteristic information of image in 2 D code in quality evaluation network model, then by constructing in advance
Quality enhances the quality enhancing operation that network model carries out image in 2 D code.
6. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 5, which is characterized in that described
It is the characteristics of learning high quality image in 2 D code using TP-GAN technology, the low-quality that label is completed that quality, which enhances network model,
Amount image in 2 D code carries out the supplement of integrity degree and clarity and is converted into the model that the building of high quality image in 2 D code generates.
7. the two dimensional code method of payment that multi information is superimposed under complex background according to claim 1, which is characterized in that described
Deconvolution parameter in convolutional neural networks is modified, obtaining revised deconvolution parameter includes:
The image in 2 D code information input including different information superpositions that will acquire obtains each described to convolutional neural networks
The corresponding feature vector of image in 2 D code information；
Calculate the corresponding characteristic central point of the image in 2 D code information of variant information superposition；
The phase of the image in 2 D code of variant information superposition and same information superposition is calculated according to the characteristic central point
Like degree；
The deconvolution parameter is modified according to the similarity.
8. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is held by processor
The step of any one of claim 1-7 the method is realized when row.
9. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor realizes side described in any one of described claim 1-7 when executing described program
The step of method.
10. the two dimensional code payment mechanism that multi information is superimposed under a kind of complex background, which is characterized in that described device includes:
Module is obtained, the two dimension code reading device for decoding mould group light-operated under configured with dual camera and screen is in standby shape
Under state, if detecting, user blocks operation to the screen of the two dimension code reading device, obtains user and blocks the screen
Occlusion area, wherein the two dimension code reading device includes that the predeterminable area of dual camera and the relatively described dual camera is set
Light-operated decoding mould group under the screen set, the dual camera are provided with the first polaroid, light-operated decoding mould group under the screen
It is provided with the second polaroid, first polaroid is consistent with the polarization direction of second polaroid, first polaroid
With second polaroid for being filtered to the first optical noise, first optical noise is reflection light, described anti-
Penetrate light be the first light pass through the screen reflection light, first light in the transmitting light of the screen along institute
The light of screen axis of ordinates forward direction irradiation is stated, second polaroid is for being filtered the second optical noise, and described the
Two optical noises are direct line, are reversely irradiated in the direct line transmitting light along the screen axis of ordinates
Light；
Correction module obtains revised deconvolution parameter for being modified to the deconvolution parameter in convolutional neural networks；
Extraction module, the image information feature for repeatedly being obtained within a preset time according to the dual camera extract the screening
Keep off image in 2 D code in region；
Identification and payment module, for extracting the screening according to the revised deconvolution parameter based on the convolutional neural networks
Characteristic parameter in the characteristic information is inputted the quality constructed in advance by the characteristic information for keeping off image in 2 D code described in region
Network model is evaluated, recognition result is obtained and completes to pay.
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