CN107728913B - Auxiliary license plate number input method and device - Google Patents

Auxiliary license plate number input method and device Download PDF

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Publication number
CN107728913B
CN107728913B CN201710030933.9A CN201710030933A CN107728913B CN 107728913 B CN107728913 B CN 107728913B CN 201710030933 A CN201710030933 A CN 201710030933A CN 107728913 B CN107728913 B CN 107728913B
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license plate
province
input
plate number
keyboard
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CN107728913A (en
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王林祥
王银波
刘渊博
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Xian Irain IoT Technology Service Co Ltd
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Xian Irain IoT Technology Service Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0238—Programmable keyboards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The invention discloses a method and a device for auxiliary input of license plate numbers, wherein the method comprises the following steps: when the entering and exiting of the vehicle are detected, a characteristic image with the license plate number of the vehicle is obtained; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data; displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province and city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs; and when the virtual special license plate keyboard receives the touch operation of the user, acquiring the province abbreviation touched by the user, and adjusting the layout of the special license plate keyboard based on the province abbreviation touched by the user. The invention can improve the efficiency of inputting the license plate number by the user.

Description

Auxiliary license plate number input method and device
Technical Field
The invention relates to the field of information input, in particular to a method and a device for auxiliary input of license plate numbers.
Background
In occasions with more vehicles in and out, such as parking lots, toll stations and the like, workers need to input license plate numbers for query; the existing license plate number input mode comprises the mode of obtaining a vehicle characteristic image, identifying the license plate number by using the vehicle characteristic image, or inputting the license plate number by using a computer, and recording the license plate number by handwriting in a few places.
However, by acquiring the vehicle characteristic image, the accuracy of license plate number recognition by using the vehicle characteristic image is unstable, the hardware cost is relatively high, and the license plate number is input by using a computer, so that people are required to be familiar with computer operation and are occasionally inconvenient to carry, and the license plate number is completely recorded by handwriting, so that the input efficiency of inputting the license plate number is low, and the license plate number is not suitable for occasions with more vehicles.
Disclosure of Invention
The invention mainly aims to provide a license plate number auxiliary input method and device, aiming at improving the input efficiency and the input accuracy of license plate numbers.
In order to achieve the above object, the present invention provides a method for auxiliary input of a license plate number, comprising the steps of:
when the entering and exiting of the vehicle are detected, a characteristic image with the license plate number of the vehicle is obtained;
acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province and city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs;
and when the virtual special license plate keyboard receives the touch operation of the user, acquiring the province abbreviation touched by the user, and adjusting the layout of the special license plate keyboard based on the province abbreviation touched by the user.
Optionally, the step of displaying the characteristic image and the license plate number input frame in the display area of the input terminal, and displaying the virtual key dedicated license plate keyboard having the reference province abbreviation and the reference province-city abbreviation corresponding to the province to which the current geographical location belongs further includes:
acquiring a reference province name to which the current geographic position belongs, and counting the triggering times of the virtual keys triggered by touch operation in a preset period of each province name;
and sequencing the triggering times of all provinces and cities, and selecting a reference province and city according to the sequenced triggering times so as to display a corresponding virtual key for short for the reference province and city on the special license plate keyboard.
Optionally, the step of displaying the characteristic image and the license plate number input frame in the display area of the input terminal, and displaying the virtual key dedicated license plate keyboard having the reference province abbreviation and the reference province-city abbreviation corresponding to the province to which the current geographic location belongs, wherein highlighting the reference province abbreviation to which the current geographic location of the vehicle belongs includes:
when an input auxiliary instruction is detected, the special license plate keyboard is automatically switched to a free input keyboard;
according to input information of a user on a free input keyboard counted by an input terminal, character information with more free input times is acquired and displayed on the layout of virtual keys on a special license plate keyboard.
Optionally, the step of highlighting the reference province abbreviation to which the current geographical location of the vehicle belongs further includes:
identifying the acquired characteristic image, acquiring the license plate number of the vehicle in the characteristic image, and taking the identified license plate number as a reference license plate number;
and displaying the reference license plate number in a license plate number input box of the input terminal display area to assist a user in inputting the license plate number based on the reference license plate number.
Optionally, the step of highlighting the reference province abbreviation to which the current geographical location of the vehicle belongs comprises:
acquiring the relative position of a reference province to which the current geographic position of the vehicle belongs in a display area;
adding a view in a display area and setting the attribute of the view to be impenetrable;
setting a semitransparent black mask layer in the view after the attribute is added;
and setting the attribute of the area where the relative position is positioned as highlighted display.
In addition, in order to achieve the above object, the present invention further provides a device for auxiliary input of a license plate number, including:
the acquisition module is used for acquiring a characteristic image with the license plate number of the vehicle when the vehicle entering and exiting is detected; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
the first display module is used for displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province-city abbreviation of the province of the current geographic position, and highlighting the reference province abbreviation of the current geographic position of the vehicle;
and the adjusting module is used for acquiring the province abbreviation touched by the user when the virtual special license plate keyboard receives the touch operation of the user, and adjusting the layout of the special license plate keyboard based on the province abbreviation touched by the user.
Optionally, the device for auxiliary input of license plate number further comprises: a sorting module;
the acquisition module is further used for acquiring a reference province city name to which the current geographic position belongs, and counting the triggering times of the virtual keys triggered by the touch operation in a preset period of each province city;
the sorting module is used for sorting the triggering times of all provinces and cities, and selecting a reference province and city according to the sorted triggering times so as to display a corresponding virtual key for short for the reference province and city on the special license plate keyboard.
Optionally, the first display module includes:
the switching unit is used for automatically switching the special license plate keyboard to a free input keyboard when an input auxiliary instruction is detected;
and the display unit is used for acquiring character information with more free input times according to the input information of the user on the free input keyboard counted by the input terminal and displaying the character information on the layout of the virtual keys on the special license plate keyboard.
Optionally, the device for auxiliary input of license plate number further comprises:
the identification module is used for identifying the acquired characteristic image, acquiring the license plate number of the vehicle in the characteristic image and taking the identified license plate number as a reference license plate number;
the second display module is also used for displaying the reference license plate number in the license plate number input box of the input terminal display area so as to assist a user in inputting the license plate number based on the reference license plate number.
Optionally, the first display module further comprises:
the acquisition unit is used for acquiring the relative position of a reference province to which the current geographic position of the vehicle belongs in the display area;
an adding unit configured to add a view in a display area and set an attribute of the view to be impenetrable;
a setting unit configured to set a translucent black mask layer in the view after the attribute is added; and setting the attribute of the area where the relative position is positioned as highlighted display.
According to the invention, when the entering and exiting vehicles are detected, the characteristic image with the license plate number of the vehicle is obtained; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data; displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province and city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs; when the virtual special license plate keyboard receives the touch operation of the user, the province abbreviation touched by the user is obtained, the layout of the special license plate keyboard is adjusted based on the province abbreviation touched by the user, so that the user with the input terminal can conveniently refer to the characteristic image and operate the special license plate keyboard to input the license plate number, and by highlighting the abbreviation of the reference province to which the current geographical position of the vehicle belongs, the user can quickly find the abbreviation of the reference province to which the current geographical position belongs, avoid inputting the license plate number by completely relying on the feature image recognition, avoid inputting the license plate number by handwriting while observing the physical license plate of the vehicle or inputting the license plate number by performing complicated operation on a conventional keyboard, therefore, the input accuracy and the input convenience of the license plate number are improved, and the input efficiency of the license plate number is further greatly improved.
Drawings
FIG. 1 is a schematic flow chart of a first embodiment of a license plate number auxiliary input method according to the present invention;
FIG. 2 is a flowchart illustrating a second embodiment of the license plate number auxiliary input method of the present invention;
FIG. 3 is a detailed view of a flow chart of the steps of displaying a feature image and a license plate number input box in a display area of an input terminal, and displaying a license plate keyboard dedicated to virtual keys corresponding to a reference province abbreviation and a reference province/city abbreviation of a current geographical location belonging to the province in the third embodiment of the license plate number auxiliary input method of the present invention;
FIG. 4 is a flowchart illustrating a fourth embodiment of the license plate number auxiliary input method of the present invention;
FIG. 5 is a detailed view of a flow refinement process for highlighting the step of abbreviation of reference province to which the current geographic location of the vehicle belongs in the fifth embodiment of the license plate number auxiliary input method of the present invention;
FIG. 6 is a functional block diagram of a first embodiment of the device for auxiliary input of license plate numbers of the present invention;
FIG. 7 is a functional block diagram of a second embodiment of the device for auxiliary input of license plate numbers of the present invention;
FIG. 8 is a schematic diagram of a detailed functional module of an embodiment of a first display module in a third embodiment of the device for auxiliary input of license plate numbers of the present invention;
FIG. 9 is a functional block diagram of a fourth embodiment of the device for auxiliary input of license plate numbers of the present invention;
FIG. 10 is a schematic diagram of a detailed functional module of a first display module according to another embodiment of the fifth embodiment of the apparatus for auxiliary input of license plate numbers of the present invention;
FIG. 11 is a schematic view of a license plate keyboard dedicated to virtual keys and having reference provinces and cities corresponding to the reference provinces and cities of the province to which the current geographical location belongs;
FIG. 12 is a display schematic diagram of layout adjustment of a specialized license plate keyboard;
fig. 13 is a schematic view of a scene of the license plate number auxiliary input method and device of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a license plate number auxiliary input method.
Referring to fig. 1, fig. 1 is a schematic flow chart showing steps of a license plate number auxiliary input method, the license plate number auxiliary input method of the present invention can be applied to various terminal intelligent input devices (such as an intelligent large-screen mobile phone, a tablet with intelligent input, a computer, etc.), the various terminal intelligent input devices referred to herein can be preset input terminals in the present invention, and certainly, the license plate number auxiliary input method can also be a part of a license plate number management system. It will be appreciated by those skilled in the art that any embodiment constructed around the spirit of the invention should not depart from the scope of the following claims.
In a first embodiment of the method for auxiliary input of license plate numbers, the method comprises the following steps:
step S10, when the entering and exiting vehicle is detected, the characteristic image with the license plate number of the vehicle is obtained;
when a sensor at the position of an inlet and an outlet of a preset detection area detects that a vehicle passes through the preset detection area, vehicle entering and exiting data are generated, wherein the preset detection area is mainly a place where the license plate number of the vehicle needs to be recorded (such as a recording place for illegal vehicles when traffic police are on duty, an expressway inlet and outlet toll station, a parking lot, a road temporary parking spot and the like).
Acquiring a vehicle characteristic image entering a preset detection area, and acquiring the characteristic image to make a picture or photograph of the vehicle through an image acquisition device (such as a camera) arranged in the preset detection area or a handheld mobile intelligent input terminal with a picture taking and photographing function, so as to acquire a license plate vehicle characteristic image of the vehicle; the vehicle feature image is mainly a front view of the vehicle (the feature image is required to have the license plate number of the vehicle), and a rear view of the vehicle may be used if necessary.
Step S20, acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
the province city data of the preset distance of the current geographic position of the vehicle is obtained, when the vehicle license plate auxiliary input method is applied to an expressway toll station, if the expressway is a provincial expressway, the entering vehicles are mainly vehicles of adjacent provinces, such as vehicles entering on a certain expressway of Shaanxi province, such as Shanxi, Henan, Hubei, Sichuan, Chongqing, Gansu, Ningxia, inner Mongolia and the like, the province data which is contained in the preset distance and takes the Xian of Shaanxi province as the center and has the circle radius of 500km as the preset distance is obtained. And then, acquiring a reference province and city abbreviation corresponding to the license plate according to the province and city data, acquiring the province and city data of a preset distance of the current geographic position of the vehicle, and carrying out one-to-one correspondence on the province name and the province abbreviation.
Step S30, displaying the characteristic image and the license plate number input frame in the display area of the input terminal, displaying the virtual key special license plate keyboard with the reference province abbreviation and the corresponding reference province-city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs;
the method comprises the following steps of displaying a characteristic image and a license plate number input frame in a display area of an input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a reference province city abbreviation corresponding to the province of a current geographic position, and highlighting the reference province abbreviation belonging to the current geographic position of a vehicle, wherein the display effect in the display area of a user holding the mobile intelligent input terminal is shown, and the display area is preset with a plurality of areas: one area displays the characteristic image of the license plate of the vehicle, the other area displays the input frame of the license plate number, and the other area displays the special license plate keyboard for inputting the license plate number of the vehicle.
The license plate keyboard special for displaying the corresponding virtual keys for the reference province and the province to which the current geographic position belongs is specifically, for example, Shaanxi province, Shaanan city, Shanxi province, and Henan province, when the preset distance is 500km, "ShaanA", "Shaanxi", "Shanxi", "Henan", and the like are displayed on the virtual keys of the license plate keyboard, then the Shaanxi province, the Shanan city, and the Henan province are set to be highlighted, and the specific highlighting mode can be set to be highlighted or different colors, and the like, and is not limited. A specific display manner may refer to fig. 11. Or according to the use condition of the user, each province abbreviation within a preset distance of 500km is not required to be displayed on the virtual key special license plate keyboard, and according to the use frequency, when the input frequency of the province abbreviation of the user is lower than 0.1%, the province abbreviation is not required to be displayed on the virtual key special license plate keyboard even if the province is within the preset distance of 500 km.
And step S40, when the virtual special license plate keyboard receives the user touch operation, acquiring the province abbreviation touched by the user, and adjusting the layout of the special license plate keyboard based on the province abbreviation touched by the user.
Specifically, a user touches the special license plate keyboard to input a license plate number seen by the user, the special license plate keyboard receives the touch operation of the user, a province abbreviation touched by the user is obtained, and the layout of the special license plate keyboard is adjusted based on the province abbreviation touched by the user, for example, when the user touches "shan" on the special license plate keyboard, the layout of the special license plate keyboard is adjusted to be Shana and a city-level prefix commonly used by the user, Shaan and A, Q, W and the like based on the touch operation of the user, so that the user can quickly find a required city-level prefix without performing multi-step sliding searching. The specific display mode can refer to fig. 12 as fig. 12. Of course, the display mode is not limited to the one shown in fig. 12, and is not limited herein. Furthermore, the corresponding license plate text can be synchronously displayed in the input frame of the display area of the handheld mobile intelligent input device, namely when the touch operation of the user triggers the virtual keys representing the license plate texts on the special license plate keyboard, the corresponding license plate text is synchronously displayed in the input frame preset in the display area, the input frame can be empty in the initial state, and the input frame displays the license plate number identified based on the characteristic image. Facilitating user-collated input.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method in the above embodiments can be implemented by software plus a necessary general hardware platform, and of course, can also be implemented by software only.
The embodiment acquires the characteristic image with the license plate number of the vehicle when the vehicle entering and exiting is detected; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data; displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province and city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs; when the virtual special license plate keyboard receives the touch operation of the user, the province abbreviation touched by the user is obtained, and the layout of the special license plate keyboard is adjusted based on the province abbreviation touched by the user, so that the user holding an input terminal can conveniently input the license plate number by referring to the characteristic image and operating the special license plate keyboard, the license plate number is prevented from being input by completely relying on the characteristic image recognition, the license plate number is prevented from being input by handwriting while observing the solid license plate of the vehicle or inputting the license plate number by performing complex operation on a conventional keyboard, the input accuracy and the input convenience of the license plate number are improved, and the input efficiency of the license plate number is greatly improved, namely, compared with the characteristic image recognition of the license plate number, the problems of unclear recognition, error recognition and the like are reduced, meanwhile, the equipment investment during the license plate number is reduced, and if the license plate number is completely manually input, the invention solves the problems of misoperation, low efficiency and the like, the same existing computer input end inputs the license plate number, the requirement on the comprehensive quality of labor force is higher, and the labor cost is invisibly increased.
Further, based on the first embodiment of the method for auxiliary inputting of license plate number of the present invention, a second embodiment of the method for auxiliary inputting of license plate number of the present invention is provided, and in the second embodiment, as shown in fig. 2, before step S30, the method further includes:
step S50, acquiring a reference province city name to which the current geographic position belongs, and counting the triggering times of the virtual keys triggered by the touch operation in a preset period of each province city;
and step S60, sequencing the triggering times of the provinces and cities, and selecting a reference province and city according to the sequenced triggering times so as to display a corresponding virtual key for the reference province and city on the special license plate keyboard.
In this embodiment, since a province includes many provinces and cities, the display interface of the special license plate keyboard is limited, and only a short name of a part of provinces and cities can be displayed generally, so that the provinces and cities displayed on the special license plate keyboard need to be selected according to the number of times that a user touches each province and city. Specifically, a reference province city name to which the current geographic position belongs is obtained first, then the number of times of triggering of the virtual key triggered by touch operation in each province city in a preset period is counted, the counting operation is only specific to a single input terminal, the counting operation is used for counting the triggering information of the virtual key triggered by the touch operation, namely the operation of adding 1 is simply carried out, when the input terminal identifies one touch operation of a user, the special license plate keyboard can be automatically accumulated according to the input number of times of the user, the preset period can be set according to the use habits of the user, and can be set to be one week, half month and the like, and limitation is not carried out. Then, the trigger times of each province and city are sorted, and the specific sorting method can be ascending sorting, descending sorting, selection sorting and the like, which is not limited herein. The specific condition of the triggering times of each province city can be obtained through sorting, then the reference province city is selected according to the sorted triggering times, for example, when the sorting mode is ascending sorting, the first four provinces cities in the sorted list can be selected as the reference province cities, and it can be understood that the selection number can also be selected according to the size of the display interface of the user terminal, and is not limited to 4.
Therefore, the layout of the virtual keys on the special license plate keyboard is not fixed and can be automatically adjusted according to the statistic value of the content input by the user, however, the adjustment is not only based on the statistical value inputted by the user, but also presets a region range in the previous period (as shown in fig. 13: A1, A2, A3 and A4 of the virtual keys can be arranged according to Chinese character regions, English letter regions, number regions and special symbol regions, or according to different arrangement and combination modes of English letter regions, Chinese character regions, special symbol regions and number regions, that is, the number of the virtual keys in each region can be freely set, the positions of the regions can be adjusted, when the statistical number of triggers of Chinese characters is large, the corresponding Chinese characters can be arranged first in the Chinese character regions, and the same reasoning is true, and other regions can be arranged according to the statistical number of triggers).
Further, the user can adjust the range of each region according to the specific use condition (as shown in fig. 13, the number of virtual keys set on the preset special license plate keyboard is not fixed, if the number of the virtual keys is 26, the user can also set the number of each region by himself, wherein the number of each region can be 5 Chinese character regions, 5 English letter regions, 10 number regions, and 6 special symbol regions, the user can adjust the 26 virtual keys according to the input statistical result and the use habit, or 7 Chinese character regions, 4 English letter regions, 10 number regions, and 5 special symbol regions, the virtual keys set on another special license plate keyboard are not fixed, the number of the virtual keys of the special license plate keyboard can also be adjusted by himself according to the use condition of the user, and the number of the virtual keys can be 12, 26, or other positive integers).
In the embodiment, because the license plate number auxiliary input method is adopted, the license plate text possibly appearing in the license plate is reasonably utilized, when the license plate number is input, although a plurality of characters exist, the license plate number comprises Chinese characters, English letters and numbers, and according to the current input method, the input method needs to be continuously switched, so that the input efficiency is low. Especially, it is inconvenient when a large number of license plates are required to be input. The auxiliary input method for license plate numbers can reduce switching and obviously improve the input efficiency of the license plate numbers; according to the regularity of the license plate, the quick and efficient text input is realized on the input equipment of the mobile intelligent terminal, and the license plate number auxiliary input mode is applied to the mobile phone, so that the investment of various parking charging fields on the equipment is reduced, and particularly, the license plate number can be more conveniently and quickly input in parking lots, traffic police, toll stations and the like.
According to the license plate number auxiliary input method provided by the embodiment, the triggering times of the virtual keys triggered by the touch operation in the preset period of each province and city are counted by acquiring the reference province and city name to which the current geographic position belongs; and then sequencing the triggering times of the provinces and cities, and selecting a reference province and city according to the sequenced triggering times so as to display corresponding virtual keys for short for the reference province and city on the special license plate keyboard, so that a user can display the corresponding virtual keys on the special license plate keyboard to adjust the key layout according to the use habit in the process of inputting the license plate number by the license plate, the input efficiency of the license plate number can be improved, and the special license plate keyboard can provide more convenient input experience for the user.
Further, referring to fig. 3, a third embodiment of the auxiliary license plate number input method of the present invention is provided based on the first embodiment of the auxiliary license plate number input method of the present invention.
In this embodiment, the step S30 includes:
step S31, when detecting the input auxiliary instruction, the special license plate keyboard is automatically switched to the free input keyboard;
and step S32, acquiring character information with more free input times according to the input information of the user on the free input keyboard counted by the input terminal, and displaying the character information on the layout of the virtual keys on the special license plate keyboard.
When the input auxiliary instruction is detected, the special license plate keyboard is switched to a free input keyboard; in the process of inputting the license plate number, the virtual keys of the special license plate keyboard do not necessarily include all text information, when the virtual keys of the special license plate keyboard do not have corresponding text information, the user can switch the input on the input terminal, and one of the specific switching modes can be as follows: the user operates the special license plate keyboard independently, and when the virtual key of the special license plate keyboard is provided with a switching key theta (as shown in figure 13: the virtual key is provided with the switching key theta), when the user operates the key, the special license plate keyboard is switched to a free input keyboard, when the free input is finished, the free input keyboard is quitted, the special license plate keyboard is returned, and the input operation is continued; another mode of switching the special license plate keyboard to the free input keyboard may also be: when the special license plate keyboard detects that the user exceeds the time limit (the time limit can be set to 5S, 10S and the like according to the use condition of the user, or the use habit of the user, the time limit setting is cancelled, and the user only adopts keyboard key switching but not automatic auxiliary switching), the user does not touch the special license plate keyboard, and the special license plate keyboard can be automatically switched to a free input keyboard.
The input information of the user on the free input keyboard counted by the input terminal is a special license plate keyboard on the input terminal, text character information with more input times of the user on the free input keyboard can be counted, accumulation operation is carried out, when a certain character such as 'alarm' is not displayed on a virtual key of the special license plate keyboard, the input terminal can count the input times of the text character information within one week, and when the input times exceed 10 times/week, the special license plate keyboard can prompt the user whether to display the text character information on the layout of the virtual key on the special license plate keyboard.
The acquiring of the character information with more free input times is displayed on the layout of the virtual keys on the special license plate keyboard, and the acquiring is not necessarily executed, when a certain character text information exceeds 10 times per week in the cumulative statistics, but a user feels that the character text information is displayed on the layout of the virtual keys on the special license plate keyboard according to the use habit, and the user is not necessary, and can delete the corresponding character text information.
In the embodiment, in the auxiliary license plate number input process, the special license plate keyboard is switched to the free input keyboard, so that the operation is more convenient, and a user can adjust the layout and characters of the virtual keys according to the use habit, so that the license plate number can be input more efficiently and accurately.
Further, based on the first embodiment of the method for auxiliary inputting of license plate number of the present invention, a fourth embodiment of the method for auxiliary inputting of license plate number of the present invention is provided, and in the fourth embodiment, as shown in fig. 4, after step S30, the method further includes:
step S70, identifying the obtained characteristic image, obtaining the license plate number of the vehicle in the characteristic image, and taking the identified license plate number as a reference license plate number;
and step S80, displaying the reference license plate number in the license plate number input box of the input terminal display area to assist the user to input the license plate number based on the reference license plate number.
In this embodiment, the identifying the acquired feature image to acquire the license plate number of the vehicle in the feature image is based on a communication connection between the input terminal and an image acquisition device (such as a camera) in a preset detection area, and the image acquisition device in the preset detection area can identify the license plate number of the vehicle from the acquired feature image of the vehicle, and transmit the identified license plate number of the vehicle to the input terminal, and the input terminal receives the license plate number of the vehicle identified by the image acquisition device in the preset detection area.
According to the fact that the input terminal receives the license plate number of the vehicle identified by the image acquisition equipment in the preset detection area and is used as a reference license plate number of the vehicle input next step, if the license plate number image of the vehicle acquired by the image acquisition equipment is not clear, the license plate number of the vehicle cannot be identified, in a certain time range (the time range is not described in detail herein, and may be determined according to the running speed of the vehicle, or may be determined according to the speed limited by the vehicle in the preset detection area, and the preset detection area is 100m long, and the speed limit in the area is 40km/h, and the vehicle needs 9s to pass through the preset detection area, and within the range where the vehicle feature image can be obtained and 9s as the time range), the user is prompted to re-acquire the reference license plate number, and a key "rephoto" is preset beside the input terminal feature image, as shown in fig. 13.
Specifically, in an input frame preset in a display area on an input terminal, a license plate number of a vehicle, which is received by the input terminal and recognized by an image acquisition device in a preset detection area, is synchronously displayed, and the license plate number of the vehicle is partitioned, referring to fig. 13 (shown in fig. 13, which is a scene schematic diagram of a method and a device for auxiliary input of the license plate number), a method for simulating auxiliary input of the license plate number is shown, in a scene operated on a display screen of the input terminal, in actual operation, the number of virtual keys on a special license plate keyboard is not necessarily pressed in the scene schematic diagram), an input frame is arranged in the display area on the special license plate keyboard, the input frame can be automatically partitioned according to the format of the license plate and then enters a license plate text frame at a corresponding position (for example, the license plate text frame of the license plate number "KA 12345" is divided into 8 lattices, and similarly, for example, the license plate text frame of "cantonese B12345, each number or character enters the corresponding license plate text box), and the automatic separation of the input boxes can realize that the user can independently modify the content in a single text box without re-inputting by referring to the license plate characteristic image again, thereby saving the time spent by the user on license plate number modification.
As shown in fig. 13, after the license plate number on the input terminal is input into the license plate text, two preset keys are respectively displayed with "confirm" and "change" on the two preset keys, when the user sees that the recognized license plate number on the input terminal is the same as the license plate number displayed on the characteristic image, the user clicks the "confirm" key, and when the user sees that the recognized license plate number is different from the license plate number displayed on the characteristic image, the user clicks the "change" key, so that the user can change a corresponding single number or multiple characters in the grid into which the license plate text frame is divided, without re-inputting by the user, thereby improving the input experience of the user.
In the embodiment, the license plate number auxiliary input method identifies the license plate number of the vehicle according to the characteristic image, further directly inputs the identified license plate number into the text box of the license plate number of the vehicle required to be input by the user, only needs the user to simply confirm or change the operation, and does not need the user to input again, so that the license plate number input is more efficient, and is more accurate in the license plate number input process.
Further, referring to fig. 5, a fifth embodiment of the method for auxiliary input of license plate numbers of the present invention is provided based on any one of the first to fourth embodiments of the method for auxiliary input of license plate numbers of the present invention.
In this embodiment, the step S30 further includes:
step S33, acquiring the relative position of the reference province to which the current geographic position of the vehicle belongs in the display area;
step S34, adding a view in the display area and setting the attribute of the view as impenetrable;
step S35, setting a translucent black mask layer in the view after the attribute is added;
step S36, setting the attribute of the area where the relative position is located as highlighted.
In this embodiment, when the highlighting manner is highlight, a specific method for setting the highlight may be: the method comprises the steps of firstly obtaining the relative position of a reference province abbreviation belonging to the current geographic position of a vehicle in a display area, then adding a view in the display area according to a preset instruction, setting the attribute of the view to be non-penetrable and used for intercepting a click event triggered by a user, then setting a semitransparent black mask layer in the view after the attribute is added, and setting the attribute of the area where the relative position is located to be highlighted so as to facilitate the user to quickly find the position where the province abbreviation of the current position is located.
In the method for auxiliary input of the license plate number provided by the embodiment, the relative position of the reference province to which the current geographic position of the vehicle belongs in the display area is obtained; then adding a view in a display area, and setting the attribute of the view as impenetrable; setting a semitransparent black mask layer in the view after the attribute is added; the attribute of the area where the relative position is located is set to be highlighted, so that a user can conveniently and quickly find the location of the province abbreviation of the current position, and the efficiency of inputting the license plate number is improved.
On the basis of the embodiment of the method for auxiliary input of license plate number, the invention further provides various embodiments of the device for auxiliary input of license plate number, the device for auxiliary input of license plate number can be a part of an input terminal, and referring to fig. 6, in a first embodiment of the device for auxiliary input of license plate number, the device comprises:
the acquisition module 10 is used for acquiring a characteristic image with the license plate number of the vehicle when the vehicle entering and exiting is detected; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
when a sensor at the position of an inlet and an outlet of a preset detection area detects that a vehicle passes through the preset detection area, vehicle entering and exiting data are generated, wherein the preset detection area is mainly a place where the license plate number of the vehicle needs to be recorded (such as a recording place for illegal vehicles when traffic police are on duty, an expressway inlet and outlet toll station, a parking lot, a road temporary parking spot and the like).
Acquiring a vehicle characteristic image entering a preset detection area, and acquiring the characteristic image to make a picture or photograph of the vehicle through an image acquisition device (such as a camera) arranged in the preset detection area or a handheld mobile intelligent input terminal with a picture taking and photographing function, so as to acquire a license plate vehicle characteristic image of the vehicle; the vehicle feature image is mainly a front view of the vehicle (the feature image is required to have the license plate number of the vehicle), and a rear view of the vehicle may be used if necessary.
The province city data of the preset distance of the current geographic position of the vehicle is obtained, when the vehicle license plate auxiliary input method is applied to an expressway toll station, if the expressway is a provincial expressway, the entering vehicles are mainly vehicles of adjacent provinces, such as vehicles entering on a certain expressway of Shaanxi province, such as Shanxi, Henan, Hubei, Sichuan, Chongqing, Gansu, Ningxia, inner Mongolia and the like, the province data which is contained in the preset distance and takes the Xian of Shaanxi province as the center and has the circle radius of 500km as the preset distance is obtained. And then, acquiring a reference province and city abbreviation corresponding to the license plate according to the province and city data, acquiring the province and city data of a preset distance of the current geographic position of the vehicle, and carrying out one-to-one correspondence on the province name and the province abbreviation.
The first display module 20 is configured to display the characteristic image and the license plate number input frame in a display area of the input terminal, and display a virtual key-dedicated license plate keyboard having a reference province abbreviation and a reference province-city abbreviation corresponding to a province to which the current geographic location belongs, and highlight the reference province abbreviation to which the current geographic location of the vehicle belongs;
the method comprises the following steps of displaying a characteristic image and a license plate number input frame in a display area of an input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a reference province city abbreviation corresponding to the province of a current geographic position, and highlighting the reference province abbreviation belonging to the current geographic position of a vehicle, wherein the display effect in the display area of a user holding the mobile intelligent input terminal is shown, and the display area is preset with a plurality of areas: one area displays the characteristic image of the license plate of the vehicle, the other area displays the input frame of the license plate number, and the other area displays the special license plate keyboard for inputting the license plate number of the vehicle.
The license plate keyboard special for displaying the corresponding virtual keys for the reference province and the province to which the current geographic position belongs is specifically, for example, Shaanxi province, Shaanan city, Shanxi province, and Henan province, when the preset distance is 500km, "ShaanA", "Shaanxi", "Shanxi", "Henan", and the like are displayed on the virtual keys of the license plate keyboard, then the Shaanxi province, the Shanan city, and the Henan province are set to be highlighted, and the specific highlighting mode can be set to be highlighted or different colors, and the like, and is not limited. A specific display manner may refer to fig. 11. Or according to the use condition of the user, each province abbreviation within a preset distance of 500km is not required to be displayed on the virtual key special license plate keyboard, and according to the use frequency, when the input frequency of the province abbreviation of the user is lower than 0.1%, the province abbreviation is not required to be displayed on the virtual key special license plate keyboard even if the province is within the preset distance of 500 km.
And the adjusting module 30 is configured to, when the virtual special license plate keyboard receives a user touch operation, obtain a user-touched province abbreviation, and adjust the layout of the special license plate keyboard based on the user-touched province abbreviation.
Specifically, a user touches the special license plate keyboard to input a license plate number seen by the user, the special license plate keyboard receives the touch operation of the user, a province abbreviation touched by the user is obtained, and the layout of the special license plate keyboard is adjusted based on the province abbreviation touched by the user, for example, when the user touches "shan" on the special license plate keyboard, the layout of the special license plate keyboard is adjusted to be Shana and a city-level prefix commonly used by the user, Shaan and A, Q, W and the like based on the touch operation of the user, so that the user can quickly find a required city-level prefix without performing multi-step sliding searching. The specific display mode can refer to fig. 12 as fig. 12. Of course, the display mode is not limited to the one shown in fig. 12, and is not limited herein. And simultaneously synchronously displaying corresponding license plate texts in an input frame of a display area of the handheld mobile intelligent input equipment of the user, namely synchronously displaying the corresponding license plate texts in the input frame preset in the display area when the touch operation of the user triggers virtual keys representing the license plate texts on a special license plate keyboard, wherein the input frame can be empty in an initial state, and the input frame displays the license plate number identified based on the characteristic image. Facilitating user-collated input.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method in the above embodiments can be implemented by software plus a necessary general hardware platform, and of course, can also be implemented by software only.
The embodiment acquires the characteristic image with the license plate number of the vehicle when the vehicle entering and exiting is detected; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data; displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a virtual key special license plate keyboard with a reference province abbreviation and a corresponding reference province and city abbreviation of the province to which the current geographic position belongs, and highlighting the reference province abbreviation to which the current geographic position of the vehicle belongs; when the virtual special license plate keyboard receives the touch operation of the user, the province abbreviation touched by the user is obtained, and the layout of the special license plate keyboard is adjusted based on the province abbreviation touched by the user, so that the user holding an input terminal can conveniently input the license plate number by referring to the characteristic image and operating the special license plate keyboard, the license plate number is prevented from being input by completely relying on the characteristic image recognition, the license plate number is prevented from being input by handwriting while observing the solid license plate of the vehicle or inputting the license plate number by performing complex operation on a conventional keyboard, the input accuracy and the input convenience of the license plate number are improved, and the input efficiency of the license plate number is greatly improved, namely, compared with the characteristic image recognition of the license plate number, the problems of unclear recognition, error recognition and the like are reduced, meanwhile, the equipment investment during the license plate number is reduced, and if the license plate number is completely manually input, the invention solves the problems of misoperation, low efficiency and the like, the same existing computer input end inputs the license plate number, the requirement on the comprehensive quality of labor force is higher, and the labor cost is invisibly increased.
Further, based on the first embodiment of the device for auxiliary input of license plate number of the present invention, a second embodiment of the device for auxiliary input of license plate number of the present invention is provided, and in the second embodiment, as shown in fig. 7, the device for auxiliary input of license plate number further comprises: a sorting module 40;
the obtaining module 10 is further configured to obtain a reference province city name to which the current geographic location belongs, and count the number of times that each province city triggers a virtual key through touch operation within a preset period;
the sorting module 40 is configured to sort the trigger times of the provinces and cities, and select a reference province and city according to the sorted trigger times, so as to display a corresponding virtual key for short for the reference province and city on the special license plate keyboard.
In this embodiment, since a province includes many provinces and cities, the display interface of the special license plate keyboard is limited, and only a short name of a part of provinces and cities can be displayed generally, so that the provinces and cities displayed on the special license plate keyboard need to be selected according to the number of times that a user touches each province and city. Specifically, a reference province city name to which the current geographic position belongs is obtained first, then the number of times of triggering of the virtual key triggered by touch operation in each province city in a preset period is counted, the counting operation is only specific to a single input terminal, the counting operation is used for counting the triggering information of the virtual key triggered by the touch operation, namely the operation of adding 1 is simply carried out, when the input terminal identifies one touch operation of a user, the special license plate keyboard can be automatically accumulated according to the input number of times of the user, the preset period can be set according to the use habits of the user, and can be set to be one week, half month and the like, and limitation is not carried out. Then, the trigger times of each province and city are sorted, and the specific sorting method can be ascending sorting, descending sorting, selection sorting and the like, which is not limited herein. The specific condition of the triggering times of each province city can be obtained through sorting, then the reference province city is selected according to the sorted triggering times, for example, when the sorting mode is ascending sorting, the first four provinces cities in the sorted list can be selected as the reference province cities, and it can be understood that the selection number can also be selected according to the size of the display interface of the user terminal, and is not limited to 4.
Therefore, the layout of the virtual keys on the special license plate keyboard is not fixed and can be automatically adjusted according to the statistic value of the content input by the user, however, the adjustment is not only based on the statistical value inputted by the user, but also presets a region range in the previous period (as shown in fig. 13: A1, A2, A3 and A4 of the virtual keys can be arranged according to Chinese character regions, English letter regions, number regions and special symbol regions, or according to different arrangement and combination modes of English letter regions, Chinese character regions, special symbol regions and number regions, that is, the number of the virtual keys in each region can be freely set, the positions of the regions can be adjusted, when the statistical number of triggers of Chinese characters is large, the corresponding Chinese characters can be arranged first in the Chinese character regions, and the same reasoning is true, and other regions can be arranged according to the statistical number of triggers).
Further, the user can adjust the range of each region according to the specific use condition (as shown in fig. 13, the number of virtual keys set on the preset special license plate keyboard is not fixed, if the number of the virtual keys is 26, the user can also set the number of each region by himself, wherein the number of each region can be 5 Chinese character regions, 5 English letter regions, 10 number regions, and 6 special symbol regions, the user can adjust the 26 virtual keys according to the input statistical result and the use habit, or 7 Chinese character regions, 4 English letter regions, 10 number regions, and 5 special symbol regions, the virtual keys set on another special license plate keyboard are not fixed, the number of the virtual keys of the special license plate keyboard can also be adjusted by himself according to the use condition of the user, and the number of the virtual keys can be 12, 26, or other positive integers).
In the embodiment, because the license plate number auxiliary input device is adopted, the license plate text possibly appearing in the license plate is reasonably utilized, when the license plate number is input, although a plurality of characters exist, the license plate number auxiliary input device comprises Chinese characters, English letters and numbers, and the input method needs to be continuously switched according to the current input method, so that the input efficiency is low. Especially, it is inconvenient when a large number of license plates are required to be input. The auxiliary input method for license plate numbers can reduce switching and obviously improve the input efficiency of the license plate numbers; according to the regularity of the license plate, the quick and efficient text input is realized on the input equipment of the mobile intelligent terminal, and the license plate number auxiliary input mode is applied to the mobile phone, so that the investment of various parking charging fields on the equipment is reduced, and particularly, the license plate number can be more conveniently and quickly input in parking lots, traffic police, toll stations and the like.
According to the device for auxiliary input of the license plate number, the triggering times of the virtual key triggered by touch operation in a preset period of each province and city are counted by obtaining the reference province and city name to which the current geographic position belongs; and then sequencing the triggering times of the provinces and cities, and selecting a reference province and city according to the sequenced triggering times so as to display corresponding virtual keys for short for the reference province and city on the special license plate keyboard, so that a user can display the corresponding virtual keys on the special license plate keyboard to adjust the key layout according to the use habit in the process of inputting the license plate number by the license plate, the input efficiency of the license plate number can be improved, and the special license plate keyboard can provide more convenient input experience for the user.
Further, referring to fig. 8, a third embodiment of the license plate number auxiliary input device of the present invention is provided based on the first embodiment of the license plate number auxiliary input device of the present invention.
In this embodiment, the first display module 20 includes:
the switching unit 21 is used for automatically switching the special license plate keyboard to a free input keyboard when an input auxiliary instruction is detected;
and the display unit 22 is used for acquiring character information with more free input times according to the input information of the user on the free input keyboard counted by the input terminal and displaying the character information on the layout of the virtual keys on the special license plate keyboard.
When the input auxiliary instruction is detected, the special license plate keyboard is switched to a free input keyboard; in the process of inputting the license plate number, the virtual keys of the special license plate keyboard do not necessarily include all text information, when the virtual keys of the special license plate keyboard do not have corresponding text information, the user can switch the input on the input terminal, and one of the specific switching modes can be as follows: the user operates the special license plate keyboard independently, and when the virtual key of the special license plate keyboard is provided with a switching key theta (as shown in figure 13: the virtual key is provided with the switching key theta), when the user operates the key, the special license plate keyboard is switched to a free input keyboard, when the free input is finished, the free input keyboard is quitted, the special license plate keyboard is returned, and the input operation is continued; another mode of switching the special license plate keyboard to the free input keyboard may also be: when the special license plate keyboard detects that the user exceeds the time limit (the time limit can be set to 5S, 10S and the like according to the use condition of the user, or the use habit of the user, the time limit setting is cancelled, and the user only adopts keyboard key switching but not automatic auxiliary switching), the user does not touch the special license plate keyboard, and the special license plate keyboard can be automatically switched to a free input keyboard.
The input information of the user on the free input keyboard counted by the input terminal is a special license plate keyboard on the input terminal, text character information with more input times of the user on the free input keyboard can be counted, accumulation operation is carried out, when a certain character such as 'alarm' is not displayed on a virtual key of the special license plate keyboard, the input terminal can count the input times of the text character information within one week, and when the input times exceed 10 times/week, the special license plate keyboard can prompt the user whether to display the text character information on the layout of the virtual key on the special license plate keyboard.
The acquiring of the character information with more free input times is displayed on the layout of the virtual keys on the special license plate keyboard, and the acquiring is not necessarily executed, when a certain character text information exceeds 10 times per week in the cumulative statistics, but a user feels that the character text information is displayed on the layout of the virtual keys on the special license plate keyboard according to the use habit, and the user is not necessary, and can delete the corresponding character text information.
In the embodiment, in the auxiliary license plate number input process, the special license plate keyboard is switched to the free input keyboard, so that the operation is more convenient, and a user can adjust the layout and characters of the virtual keys according to the use habit, so that the license plate number can be input more efficiently and accurately.
Further, based on the first embodiment of the apparatus for auxiliary input of license plate number of the present invention, a fourth embodiment of the apparatus for auxiliary input of license plate number of the present invention is provided, and in the fourth embodiment, as shown in fig. 9, the apparatus further comprises:
the identification module 50 is used for identifying the acquired characteristic image, acquiring the license plate number of the vehicle in the characteristic image and taking the identified license plate number as a reference license plate number;
and a second display module 60 for displaying the reference license plate number in the license plate number input box of the input terminal display area to assist the user in inputting the license plate number based on the reference license plate number.
In this embodiment, the identifying the acquired feature image to acquire the license plate number of the vehicle in the feature image is based on a communication connection between the input terminal and an image acquisition device (such as a camera) in a preset detection area, and the image acquisition device in the preset detection area can identify the license plate number of the vehicle from the acquired feature image of the vehicle, and transmit the identified license plate number of the vehicle to the input terminal, and the input terminal receives the license plate number of the vehicle identified by the image acquisition device in the preset detection area.
According to the fact that the input terminal receives the license plate number of the vehicle identified by the image acquisition equipment in the preset detection area and is used as a reference license plate number of the vehicle input next step, if the license plate number image of the vehicle acquired by the image acquisition equipment is not clear, the license plate number of the vehicle cannot be identified, in a certain time range (the time range is not described in detail herein, and may be determined according to the running speed of the vehicle, or may be determined according to the speed limited by the vehicle in the preset detection area, and the preset detection area is 100m long, and the speed limit in the area is 40km/h, and the vehicle needs 9s to pass through the preset detection area, and within the range where the vehicle feature image can be obtained and 9s as the time range), the user is prompted to re-acquire the reference license plate number, and a key "rephoto" is preset beside the input terminal feature image, as shown in fig. 13.
Specifically, in an input frame of a display area on an input terminal, a license plate number of a vehicle, which is received by the input terminal and recognized by an image acquisition device in a preset detection area, is synchronously displayed, and the license plate number of the vehicle is partitioned, referring to fig. 13 (shown in fig. 13, which is a scene schematic diagram of a method and a device for auxiliary input of the license plate number), a method for simulating auxiliary input of the license plate number is shown, in a scene operated on a display screen of the input terminal, in which the number of virtual keys on a special license plate keyboard is not necessarily pressed in the scene schematic diagram in actual operation), an input frame is arranged in the display area on the special license plate keyboard, the input frame can be automatically partitioned according to the format of the license plate and then enters a license plate text frame at a corresponding position (for example, the license plate text frame of the license plate number "KA 12345" is divided into 8 lattices, and similarly, for example, the license plate text frame of "cantonese B12345, each number or character enters the corresponding license plate text box), and the automatic separation of the input boxes can realize that the user can independently modify the content in a single text box without re-inputting by referring to the license plate characteristic image again, thereby saving the time spent by the user on license plate number modification.
As shown in fig. 13, after the license plate number on the input terminal is input into the license plate text, two preset keys are respectively displayed as "confirm" and "change" on the two preset keys, when the user sees that the recognized license plate number on the input terminal is the same as the license plate number displayed on the characteristic image, the user clicks the "confirm" key, and when the user sees that the recognized license plate number is different from the license plate number displayed on the characteristic image, the user clicks the "change" key, so that the user can change a single number or a plurality of characters in the grid into which the license plate text frame is divided, without re-inputting by the user, thereby improving the input experience of the user.
In the embodiment, the license plate number auxiliary input device identifies the license plate number of the vehicle according to the characteristic image, and then further directly inputs the identified license plate number into the text box of the license plate number of the vehicle required to be input by the user, so that the user only needs to simply confirm or change the operation without re-inputting the license plate number, the input of the license plate number is more efficient, the license plate number is more accurate in the input process, the operability of the license plate number auxiliary input device is easy, the requirement on the user is reduced, and the labor cost can be reduced to a certain extent.
Further, referring to fig. 10, a fifth embodiment of the device for auxiliary input of license plate number of the present invention is provided based on any one of the first to fourth embodiments of the device for auxiliary input of license plate number of the present invention.
In this embodiment, the first display module 20 further includes:
an obtaining unit 23, configured to obtain a relative position of a reference province to which a current geographic position of the vehicle belongs, in the display area;
an adding unit 24 for adding a view in the display area and setting the attribute of the view to be impenetrable;
a setting unit 25 for setting a translucent black mask layer in the view after the addition of the attribute; and setting the attribute of the area where the relative position is positioned as highlighted display.
In this embodiment, when the highlighting manner is highlight, a specific method for setting the highlight may be: the method comprises the steps of firstly obtaining the relative position of a reference province abbreviation belonging to the current geographic position of a vehicle in a display area, then adding a view in the display area according to a preset instruction, setting the attribute of the view to be non-penetrable and used for intercepting a click event triggered by a user, then setting a semitransparent black mask layer in the view after the attribute is added, and setting the attribute of the area where the relative position is located to be highlighted so as to facilitate the user to quickly find the position where the province abbreviation of the current position is located.
The device for auxiliary input of the license plate number provided by the embodiment obtains the relative position of the reference province to which the current geographic position of the vehicle belongs in the display area; then adding a view in a display area, and setting the attribute of the view as impenetrable; setting a semitransparent black mask layer in the view after the attribute is added; the attribute of the area where the relative position is located is set to be highlighted, so that a user can conveniently and quickly find the location of the province abbreviation of the current position, and the efficiency of inputting the license plate number is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. A license plate number auxiliary input method is characterized by comprising the following steps:
when the entering and exiting of the vehicle are detected, a characteristic image with the license plate number of the vehicle is obtained;
acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
displaying the characteristic image and a license plate number input frame in a display area of an input terminal, displaying a special license plate keyboard with virtual keys corresponding to a reference province abbreviation and a reference province city abbreviation of a province to which the current geographic position belongs, and highlighting the reference province abbreviation of the province to which the current geographic position of the vehicle belongs;
when the special license plate keyboard receives a user touch operation, acquiring a user touch province abbreviation, and adjusting the layout of the special license plate keyboard based on the user touch province abbreviation;
wherein, the step of displaying the characteristic image and the license plate number input frame in the display area of the input terminal and displaying the special license plate keyboard with the virtual keys corresponding to the reference province abbreviation and the reference province-city abbreviation of the province to which the current geographic position belongs further comprises the following steps:
acquiring a reference province city abbreviation of the province to which the current geographic position belongs, and counting the triggering times of the virtual keys triggered by touch operation in a preset period of each province city;
and sequencing the triggering times of all provinces and cities, and selecting a reference province and city according to the sequenced triggering times so as to display a corresponding virtual key for short for the reference province and city on the special license plate keyboard.
2. The method of claim 1, wherein the step of displaying the feature image and the license plate number input box in the display area of the input terminal and displaying the special license plate keyboard with the virtual keys corresponding to the reference province abbreviation and the reference province-city abbreviation of the province to which the current geographic location belongs comprises:
when an input auxiliary instruction is detected, the special license plate keyboard is automatically switched to a free input keyboard;
according to input information of a user on a free input keyboard counted by an input terminal, acquiring character information corresponding to the free input times larger than a preset trigger time threshold, and displaying the character information on the layout of virtual keys on the special license plate keyboard.
3. The method of claim 1, wherein the step of highlighting the reference province abbreviation of the province to which the current geographic location of the vehicle belongs further comprises:
identifying the acquired characteristic image, acquiring the license plate number of the vehicle in the characteristic image, and taking the identified license plate number as a reference license plate number;
and displaying the reference license plate number in a license plate number input box of the input terminal display area to assist a user in inputting the license plate number based on the reference license plate number.
4. A method of auxiliary input of license plate number according to any one of claims 1 to 3, wherein the step of highlighting the reference province abbreviation of the province to which the current geographical location of the vehicle belongs comprises:
acquiring the relative position of a reference province of a province to which the current geographic position of the vehicle belongs, namely the relative position of the reference province in a display area;
adding a view in a display area and setting the attribute of the view to be impenetrable;
setting a semitransparent black mask layer in the view after the attribute is added;
and setting the attribute of the area where the relative position is positioned as highlighted display.
5. A device for auxiliary input of license plate number is characterized in that the device for auxiliary input of license plate number comprises:
the acquisition module is used for acquiring a characteristic image with the license plate number of the vehicle when the vehicle entering and exiting is detected; acquiring province and downtown data of a preset distance of the current geographic position of the vehicle, and acquiring a reference province abbreviation corresponding to a license plate according to the province and downtown data;
the first display module is used for displaying the characteristic image and the license plate number input frame in a display area of the input terminal, displaying a special license plate keyboard with virtual keys corresponding to the reference province and city of the province to which the current geographic position belongs, and highlighting the reference province of the province to which the current geographic position of the vehicle belongs;
the adjusting module is used for acquiring the province abbreviation touched by the user when the special license plate keyboard receives the touch operation of the user, and adjusting the layout of the special license plate keyboard based on the province abbreviation touched by the user;
wherein, the device of supplementary input of license plate number still includes: a sorting module;
the acquisition module is further used for acquiring a reference province city abbreviation of the province to which the current geographic position belongs, and counting the triggering times of the virtual keys triggered by the touch operation in a preset period of each province city;
the sorting module is used for sorting the triggering times of all provinces and cities, and selecting a reference province and city according to the sorted triggering times so as to display a corresponding virtual key for short for the reference province and city on the special license plate keyboard.
6. The apparatus for auxiliary input of license plate number of claim 5, wherein the first display module comprises:
the switching unit is used for automatically switching the special license plate keyboard to a free input keyboard when an input auxiliary instruction is detected;
and the display unit is used for acquiring the text information corresponding to the free input times larger than the preset trigger time threshold according to the input information of the user on the free input keyboard counted by the input terminal, and displaying the text information on the layout of the virtual keys on the special license plate keyboard.
7. A license plate number auxiliary input apparatus as claimed in claim 5, wherein the license plate number auxiliary input apparatus further comprises:
the identification module is used for identifying the acquired characteristic image, acquiring the license plate number of the vehicle in the characteristic image and taking the identified license plate number as a reference license plate number;
and the second display module is used for displaying the reference license plate number in the license plate number input box of the input terminal display area so as to assist a user in inputting the license plate number based on the reference license plate number.
8. An apparatus for auxiliary input of license plate number according to any one of claims 5 to 7, wherein the first display module further comprises:
the acquisition unit is used for acquiring the relative position of a reference province, namely a province to which the current geographic position of the vehicle belongs, in the display area;
an adding unit configured to add a view in a display area and set an attribute of the view to be impenetrable;
a setting unit configured to set a translucent black mask layer in the view after the attribute is added; and setting the attribute of the area where the relative position is positioned as highlighted display.
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