CN106932797B - A kind of target determines method, user equipment and device - Google Patents
A kind of target determines method, user equipment and device Download PDFInfo
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- CN106932797B CN106932797B CN201710075619.2A CN201710075619A CN106932797B CN 106932797 B CN106932797 B CN 106932797B CN 201710075619 A CN201710075619 A CN 201710075619A CN 106932797 B CN106932797 B CN 106932797B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The invention discloses a kind of targets to determine method, user equipment and device, this method comprises: obtaining global position system GPS signal；The first environment level of noise and second environment level of noise in current environment are obtained, wherein the first environment level of noise is the environmental noise value before the GPS signal is lost, the second environment level of noise is the environmental noise value after the GPS signal is lost；The first environment level of noise and second environment level of noise difference are obtained, for solving when there is shelter to block, GPS signal can be caused to lose, lead to not the problem of accurately determining the accurate location of monitored target.
Description
Technical field
The present invention relates to digital map navigation technical fields, determine method, user equipment (user more particularly, to a kind of target
Equipment, UE) and device.
Background technique
With the continuous development of wireless communication technology, the digital map navigation client installed in intelligent subscriber equipment can pass through
Target following technology is embodied as user and provides real-time map navigation Service.
During determining target position, by taking route guidance as an example, when carrying out route guidance by client, sometimes
Because user can use Walking Mode apart from closer, if occur tunnel or culvert in gait processes, on road, client
End may temporarily fail, this is because when target enters tunnel or culvert, may blocking due to building, lead to GPS
Or wireless communication loses signal, server-side can not know the real time position of target at this time.Or surrounding is when having building to block, meeting
Can not route guidance accurately be carried out for user.From the above mentioned, when there is shelter to block, GPS signal can be caused to lose, leads to nothing
Method accurately determines the accurate location of monitored target.
Summary of the invention
The present invention provides a kind of targets to determine method and user equipment, for solving when there is shelter to block, can draw
It plays GPS signal to lose, leads to not the problem of accurately determining the accurate location of monitored target.
A kind of target determines method, comprising: obtains global position system GPS signal；Obtain the first ring in current environment
Border level of noise and second environment level of noise, wherein the environment before the first environment level of noise is the GPS signal loss is made an uproar
Value, the second environment level of noise are the environmental noise values after the GPS signal is lost；Obtain the first environment noise
Value and second environment level of noise difference；According to the difference and the first setting value, determine whether the target is blocked by obstructions.
It is determined by using above-mentioned technical proposal by GPS signal and the environmental noise value of GPS signal disappearance front and back
Whether target is blocked by obstructions, and determines in scheme in target, is blocked by obstructions front and back using target, and GPS signal can be lost,
And target is blocked by obstructions the different feature of environmental noise value of front and back, avoids when there is shelter to block, can draw
It plays GPS signal to lose, leads to not the problem of accurately determining the accurate location of monitored target.
Detailed description of the invention
Fig. 1 is the logical construction schematic diagram for the calculate node that the target that the embodiment of the present invention proposes determines method application；
Fig. 2 is the user device architecture composition schematic diagram that the embodiment of the present invention proposes；
Fig. 3 is the user device architecture composition schematic diagram that the embodiment of the present invention proposes；
Fig. 4 is that the target that the embodiment of the present invention proposes determines method flow diagram；
Fig. 5 is that the target that the embodiment of the present invention proposes determines method flow schematic diagram；
Fig. 6 is the target determining device structure composition schematic diagram that the embodiment of the present invention proposes.
Specific embodiment
For under normal conditions, when there is shelter to block, GPS signal can be caused to lose, lead to not accurately determine
The accurate location problem of monitored target, in the technical solution that the embodiment of the present invention proposes, in conjunction with GPS signal and mesh
Mark is currently located the environmental noise value of environment, determines whether target is blocked by obstructions, for solving when there is shelter to block,
GPS signal can be caused to lose, lead to not the problem of accurately determining the accurate location of monitored target.It applies and is led in map
It during boat, also solves during using digital map navigation, when thering is shelter to block, will lead to GPS signal loss, lead to not
The problem of accurately determining the accurate location of monitored target.
Below in conjunction with each attached drawing to the main realization principle of technical solution of the embodiment of the present invention, specific embodiment and
Its beneficial effect corresponding to reach is set forth.
In the technical solution that the embodiment of the present invention proposes, target provided in an embodiment of the present invention is introduced by taking Fig. 1 as an example and is determined
The logical construction of the calculate node of method application.The calculate node can be user equipment, which is specifically as follows table
Face computer, laptop, smart phone, automobile data recorder or tablet computer etc..As shown in Figure 1, the user equipment is hard
Part layer includes central processing unit (Center Processing Unit, CPU), graphics processor (Graphic Processing
Unit, GPU) etc., it certainly can also include memory, input-output apparatus (Input Device), network interface etc., input
Equipment may include keyboard, mouse, touch screen etc., and output equipment may include display equipment such as liquid crystal display (Liquid
Crystal Display, LCD), cathode-ray tube (Cathode Ray Tube, CRT), holographic imaging (Holographic),
Project (Projector) etc..Operating system (such as Android) and some application programs can have been run on hardware layer.
Core library layer is the core of operating system, including input/output service, kernel service, graphical device interface and realization
Graphics engine (Graphics Engine) of CPU, GPU graphics process etc..Graphics engine may include 2D engine, 3D engine, synthesis
Device (Composition), frame buffer zone (Frame Buffer) etc..Core library layer further includes input method service.In addition to this, should
User equipment further includes driving layer, ccf layer and application layer.Driving layer may include CPU driving (driver), GPU driving, display
Controller driving etc..Ccf layer may include graphical services (Graphic Service), system service (System service),
Web service (Web Service) and user service (Customer Service) etc.；In graphical services, it may include such as widget
(Widget), painting canvas (Canvas), view (Views), Render Script etc..Application layer may include desktop (launcher),
Media player (Media Player), browser (Browser) etc..It may include various application programs in application layer, for example,
In technical solution proposed by the present invention, the application program of digital map navigation can be run in application layer, i.e., include map in application layer
The client of navigation.The target that the embodiment of the present invention proposes determines method, can apply in digital map navigation.
The target that the embodiment of the present invention proposes determines user equipment applied by method, as shown in Fig. 2, the user equipment
200 include: at least one processor 201, at least one network interface 204 or other users interface 203, memory 205, until
A few communication bus 202.Communication bus 202 is for realizing the connection communication between these components.The user equipment 200 is optional
Include user interface 203, including display (such as LCD, CRT shown in Fig. 2, holographic imaging (Holographic) or throw
Shadow (Projector) etc.), keyboard or pointing device are (for example, mouse, trace ball (trackball), touch-sensitive plate or touch
Screen etc.).
Memory 205 may include read-only memory and random access memory, and provide memory to processor 201
The program instruction and data stored in 205.The a part of of memory 205 can also include nonvolatile RAM
(NVRAM)。
In some embodiments, memory 205 stores following element, executable modules or data structures, or
Their subset of person or their superset:
Operating system 2051, includes various system program directives, which may operate at frame for example shown in Fig. 2
Layer, core library layer, driving layer etc., for realizing various basic businesses and the hardware based task of processing.
Application program 2052 includes various application programs, such as desktop shown in Fig. 2 (launcher), media player
(Media Player), browser (Browser) and digital map navigation etc., for realizing various applied business.
In application program 2052, the realization target of storage determines the program instruction of method.
In embodiments of the present invention, memory 205 can also be referred to as storage region, determine method journey for storing target
Sequence and storage program area.
Processor 201 is by the program instruction for calling memory 205 to store, and processor 201 is for the program according to acquisition
Instruction execution: obtaining GPS signal, first environment level of noise and second environment level of noise in current environment is obtained, according to first
Environmental noise value and second environment level of noise, determine whether target is blocked by obstructions.
Wherein, in the technical solution that the embodiment of the present invention proposes, first environment level of noise is before GPS signal is lost
Environmental noise value, second environment level of noise are the environmental noise values after GPS signal is lost.Processor 201 is specifically used for obtaining
First environment level of noise and second environment level of noise difference determine whether target is blocked object according to difference and the first setting value
It blocks.
Optionally, as one embodiment, processor 201 is specifically used for obtaining the absolute value of difference, is determining difference
When greater than the first setting value, determine that target is blocked by obstructions；And the absolute value of difference is obtained, determining difference less than the
When one setting value, determine that target is not blocked by obstructions.
Optionally, as one embodiment, processor 201 is also used to: determining that target is currently located the current time of environment
It is daytime or night, it is determined that the intensity of illumination that target is currently located environment is obtained, according to difference, first when daytime
Setting value, intensity of illumination and first threshold, determine whether target is blocked by obstructions.
Specifically, processor 201 is specifically used for determining the absolute value of difference；Determining absolute value greater than the first setting
Value, and intensity of illumination determines that target is blocked by obstructions when first sets and be reduced to first threshold in duration；And in determination
Absolute value is less than the first setting value out, and intensity of illumination determines target by quilt when second sets and reach second threshold in duration
Shelter, which blocks, to be switched to not be blocked by obstructions.
Optionally, as one embodiment, after determining that target is blocked by obstructions, further includes: obtain current environment
In building information；The building information and pre-stored cartographic information that will acquire compare, and determine mesh according to comparison result
Target current location.
The embodiment of the present invention propose target determine user equipment applied by method, the user equipment can for mobile phone,
Tablet computer, personal digital assistant (Personal DigitalAssistant, PDA) etc..Refering to what is shown in Fig. 4, being user equipment
300 one of structure composition schematic diagram.
The user equipment 300 mainly includes memory 320, processor 360 and input unit 330, the input unit 330
For receiving the event of generation when user operates at the terminal.The memory 320 is for storage program area and various
The program instruction of application program.
Wherein, in the technical solution that the embodiment of the present invention proposes, the specific implementation function of processor 360 can be found in above-mentioned figure
Processor 201 elaborates in 3, repeats no more.
Memory 320 can be the memory of user equipment 300, which can be divided into different memory spaces, can be with
Identical size is divided, different sizes can also be divided according to the difference of storing data.
Input unit 330 in user equipment can be used for receiving user input number or character information, and generate with
The related signal input of the user setting and function control of user equipment 300.
Specifically, in the embodiment of the present invention, which may include touch panel 331.Touch panel 331, can
Collect user (such as user using any suitable object or attachment such as finger, stylus on touch panel 331) on it
Operation, and instruct according to a pre-set procedure, drive attachment device corresponding with touch panel 331.Optionally, touch panel
331 may include both touch detecting apparatus and touch controller.Wherein, the touch side of touch detecting apparatus detection user
Position, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller is from touch detecting apparatus
Touch information is received, and is converted into contact coordinate, then give the processor 360, and the life that processor 360 is sent can be received
It enables and is executed.Furthermore, it is possible to realize touch-control using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Panel 331.In addition to touch panel 331, input unit 330 can also include other input equipments 332, other input equipments 332
It can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operation
One of bar etc. is a variety of.
The user equipment 300 can also include display unit 340, which can be used for showing is inputted by user
Information or be supplied to the information of user and the various menu interfaces of user equipment 300.The display unit 340 may include display
Panel 341 optionally can use liquid crystal display (Liquid Crystal Display, LCD) or Organic Light Emitting Diode
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 341.
It please refers to shown in Fig. 3, in the embodiment of the present invention, which covers the display panel 341, is formed and is touched
Display screen, touch display screen are supplied to the display area of user preset.When the touch display screen 7 detects on it or nearby
After touch operation, processor 360 is sent to determine the type of touch event, is followed by subsequent processing device 360 according to the class of touch event
Type provides corresponding visual output in touch display screen.
In the embodiment of the present invention, which includes different display areas.Each display area may include
The interface elements such as the icon and/or widget desktop control of at least one application program.
The processor 360 is the control centre of user equipment 300, utilizes various interfaces and the entire user equipment of connection
Various pieces execute user equipment by running or executing the software program and/or module that are stored in the memory 320
300 various functions and processing data, to carry out integral monitoring to user equipment 300.
The user equipment 300 can also include RF circuit 310, for providing the WIFI module 380, Yi Ji electricity being wirelessly connected
Source 390 and the voicefrequency circuit 370 exported for providing voice input.
Wherein, loudspeaker, sound transducer and microphone etc. are included in voicefrequency circuit 370.
In the technical solution that the embodiment of the present invention proposes, it can realize that obtaining first environment makes an uproar by voicefrequency circuit 370
Value and second environment level of noise.In specific implementation, first environment level of noise can be voicefrequency circuit 370 and periodically obtain,
It can be and obtained by 370 aperiodicity of voicefrequency circuit.Correspondingly, second environment level of noise can be 370 period of voicefrequency circuit
Property obtain, be also possible to by 370 aperiodicity of voicefrequency circuit obtain.Obtain first environment level of noise and second environment level of noise
Period setting can be identical or not identical.
A kind of preferably implementation, in the technical solution that the embodiment of the present invention proposes, voicefrequency circuit 370 is periodic
First environment level of noise and second environment level of noise are obtained, the period for obtaining first environment level of noise and second environment level of noise sets
It sets and can be the identical period.
In the technical solution that the embodiment of the present invention proposes, triggering voicefrequency circuit 370 starts, and passes through voicefrequency circuit 370 weeks
The acquisition first environment level of noise of phase property, when obtaining GPS signal loss, triggering voicefrequency circuit 370 periodically obtains first
Environmental noise value.The first environment level of noise and second environment level of noise of acquisition can be sent to processor by voicefrequency circuit 370
360。
In specific implementation, when determining that GPS signal is lost, triggering voicefrequency circuit 370 periodically obtains second environment
Level of noise.
Processor 360, obtains first environment level of noise and second environment level of noise, and processor 360 obtains first environment and makes an uproar
The absolute value of value and second environment level of noise difference determines that target is hidden when determining that absolute value is greater than the first setting value
Block material blocks.
Specifically, the specific embodiment of processor 360 may refer to elaborating for processor in above-mentioned Fig. 3 Fig. 4.
User equipment 300 can also include the optical sensor for detecting intensity of illumination.Target is determined by optical sensor
The current time for being currently located environment is daytime or night, and the data of acquisition are sent to processor 360.
Processor 360, the current time for determining that target is currently located environment is daytime or night, it is determined that daytime
When, the intensity of illumination that target is currently located environment is obtained in optical sensor.Determine absolute value be greater than the first setting value, and
When intensity of illumination is reduced to first threshold in the first setting duration, determine that target is blocked by obstructions.And it is determining absolutely
To value less than the first setting value, and intensity of illumination determines target by being blocked when second sets and reach second threshold in duration
Object, which blocks, to be switched to not be blocked by obstructions.It can sentence so preferably according to the intensity of illumination of current environment and voice data
Whether disconnected target is blocked by obstructions, and improves the accuracy for determining target position.
User equipment and realization principle applied by method, further, this hair are determined based on target set forth above
During bright embodiment will be applied with digital map navigation, for how being tracked to target by tunnel or culvert, it is described in detail.
It is provided with the user equipment of digital map navigation application in the user equipment that user carries, is wrapped in digital map navigation application
The target proposed containing present example determines method, and will have a length at 500 meters of vehicle front is the tunnel of 3 kms, presses
According to digital map navigation, user will pass through the tunnel, then as shown in figure 5, the target that the embodiment of the present invention proposes determines that method is specifically located
It is for example following to manage process:
Step 41, user equipment obtains GPS signal, and whether user equipment judges at 500 meters of front comprising tunnel.If sentenced
Disconnected result be yes, execution step 42, whereas if judging result be it is no, the digital map navigation application in user equipment continues as this
User provides navigation Service.
Whether user equipment can be judged at 500 meters of vehicle front by GPS signal comprising tunnel, can also be by being answered
Whether the sensor in user terminal determines at 500 meters of vehicle front comprising tunnel.
Step 42, user equipment determines that the environment being currently located is daytime or night, if it is daytime, execution step
43, if instead being to execute 44 at night.
User equipment can obtain current temporal information, judge that the environment that vehicle is currently located is white according to temporal information
Daytime or night.And/or user equipment may call upon optical sensor, by the acquisition to intensity of illumination, determine vehicle place
Environment be daytime or night.
Step 43, it is determined that obtaining the intensity of illumination that target is currently located environment when daytime.
In the technical solution that present example proposes, when obtaining intensity of illumination, the light in user equipment can be passed through
Sensor obtains.It, can be by showing that interface sends prompt information, for prompting light of the user by user equipment in specific implementation
Sensor is upward, to guarantee that optical sensor obtains the accuracy of light.A kind of preferably implementation is proposed in present example
Technical solution in, it is determined that periodically obtaining the intensity of illumination that target is currently located environment when daytime.
A kind of preferably implementation can also be combined using by temporal information and intensity of illumination two ways, be determined
The environment being currently located is daytime or night, in this way, it is possible, firstly, to preferably avoid making due to the cloudy day intensity of illumination compared with
It is weak, if the environment where determining target is the inaccurate of daytime or night scheme at this time separately through the acquisition to intensity of illumination
True property.Secondly, when can preferably avoid the temporal information of user equipment from being set as 12 hours standards, if believing separately through the time
Cease the inaccuracy that the environment where determining target is daytime or night scheme.
Step 431, the first environment level of noise in current environment is periodically obtained.
User equipment can call the microphone in voicefrequency circuit by voicefrequency circuit, work as front ring by microphone acquisition
First environment level of noise in border.
Step 432, when determining that GPS signal is lost and intensity of illumination declines rapidly, current environment is periodically obtained
In second environment level of noise.
Judging whether intensity of illumination declines rapidly, can judged by the first threshold of setting.Target is entering tunnel
When road, it is entirely different that the intensity of illumination in tunnel, which is with the intensity of illumination of tunnel outer, even if tunnel internal passes through light
The visibility in tunnel is promoted, but the intensity of illumination of light is still different from the intensity of illumination of natural light.It is of the invention based on this
It in the technical solution that embodiment proposes, proposes judge that intensity of illumination declines rapidly, i.e. starting periodically acquisition second environment is made an uproar
Value.
Step 433, the absolute value of first environment level of noise and second environment level of noise difference is obtained.
Step 434, determine absolute value be greater than the first setting value, and intensity of illumination first setting duration in be reduced to
When first threshold, determine that target is blocked by obstructions.
When determining that absolute value is greater than the first setting value, determine that target is blocked by obstructions.
It is comprehensive to be lost using GPS signal, intensity of illumination, GPS signal in technical solution set forth above of the embodiment of the present invention
The second environment level of noise after first environment level of noise and GPS signal loss before mistake, carries out tracking to vehicle and judges user
Whether tunnel is entered.
Step 44, it is determined that when night, periodically obtain first environment level of noise that GPS signal disappears forward and backward and
Second environment level of noise.
Step 441, the absolute value of first environment level of noise and second environment level of noise difference is obtained.
Step 442, when determining that absolute value is greater than the first setting value, determine that target drives into tunnel.
In technical solution set forth above of the embodiment of the present invention, it is comprehensive lost using GPS signal, GPS signal before the
Second environment level of noise after one environmental noise value and GPS signal loss, carries out tracking to vehicle and judges whether target is built
Object is built to block.The program can preferably promote the accuracy of target positioning.Its realization principle is for example following:
First: tunnel is separated by one kind that closer building is shelter, currently, when target enters tunnel, GPS letter
It number can generally disappear.When having more intensive high-rise around target, GPS signal can generally disappear.
Second: front and back being disappeared as acquisition first environment level of noise and second environment level of noise using GPS signal, and according to two
The difference of person judges.
Step 45, absolute value is being determined less than the first setting value, and intensity of illumination reaches the in the second setting duration
When two threshold values, determine that target is driven out to tunnel.
Embodiment two
In the technical solution that the embodiment of the present invention two proposes, it will be described in detail so that user's walking is using navigation as an example,
When user is navigated using manner of walking, the destination to be gone generally all will not be far, but the general feelings of the building of surrounding
Certain restaurant in city etc. is all gone to than comparatively dense, such as user under condition, is navigated general 1000 meters of whole range distance, but surrounding is built
Object is built than comparatively dense, at this point, in the technical solution proposed according to the embodiment of the present invention, is determining that target is blocked by obstructions it
Afterwards, as shown in figure 5, can handle in the following manner:
Step 51, the building information in current environment is obtained.
The building information in current environment can be obtained by following manner:
First way: the building in current environment can be obtained by prompting user to take pictures Adjacent Buildings
Object information.
The second way: video record can be carried out to Adjacent Buildings by prompt user, obtained in current environment
Building information.
The third mode: the building information in current environment can be obtained by way of AR.
Step 52, the building information and pre-stored cartographic information that will acquire compare, and determine mesh according to comparison result
Target current location.
In above-mentioned steps 52, it can be based on image processing techniques, extract the keyword in the building information of acquisition, example
Such as restaurant or shop title, the building door trade mark, building main feature, the information that those are extracted and pre-stored
Figure information compares, and the current location of target is determined according to comparison result.
Correspondingly, the embodiment of the present invention also proposes a kind of user equipment to embodiment three, as shown in fig. 6, its structure composition has
Body is for example following:
Receiving module 61, for obtaining GPS signal.
Processing module 62, for obtaining first environment level of noise and second environment level of noise in current environment, wherein institute
Stating first environment level of noise is the environmental noise value before the GPS signal is lost, and the second environment level of noise is the GPS
Environmental noise value after dropout；Obtain the first environment level of noise and second environment level of noise difference；According to described
Difference and the first setting value, determine whether the target is blocked by obstructions.
Specifically, the user equipment that present example proposes, the specific implementation function of receiving module and processing module
Elaborating in above-mentioned Fig. 3~Fig. 4 is referred to, which is not described herein again.
Further include:
Sensing module, the intensity of illumination for being currently located environment for obtaining target；Processing module is also used to determine the mesh
It is daytime or night that mark, which is currently located the current time of environment,；It is determined that obtaining the target and being currently located when daytime
The intensity of illumination of environment；According to the difference, the first setting value, the intensity of illumination and first threshold, determine that the target is
It is no to be blocked by obstructions.
The processing module is determining that the difference is greater than first and sets specifically for obtaining the absolute value of the difference
When definite value, determine that the target is blocked by obstructions；And the absolute value of the difference is obtained, determining that the difference is less than
When the first setting value, determine that the target is not blocked by obstructions.
The processing module, specifically for the absolute value of the determination difference；Determining the absolute value greater than first
Setting value, and the intensity of illumination determines that the target is blocked by described when first sets and be reduced to first threshold in duration
Object blocks；And the absolute value is being determined less than the first setting value, and the intensity of illumination reaches in the second setting duration
When to second threshold, determine that the target switchs to not be blocked by obstructions by being blocked by obstructions.
The processing module is also used to obtain the building information in current environment；The building information that will acquire and pre-
The cartographic information first stored compares, and the current location of target is determined according to comparison result.
Target determining device set forth above of the embodiment of the present invention can be applied in server-side, and hardware configuration composition can
To be realized by processor and wireless antenna, specific implementation principle refers to elaborating in the above method, no longer superfluous
It states.
It will be understood by those skilled in the art that the embodiment of the present invention can provide as method, apparatus (equipment) or computer
Program product.Therefore, in terms of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
Embodiment form.Moreover, it wherein includes the meter of computer usable program code that the present invention, which can be used in one or more,
The computer implemented in calculation machine usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of program product.
The present invention be referring to according to the method for the embodiment of the present invention, the flow chart of device (equipment) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of target determines method characterized by comprising
Obtain global position system GPS signal；
The first environment level of noise and second environment level of noise in current environment are obtained, wherein the first environment level of noise is institute
The environmental noise value before GPS signal is lost is stated, the second environment level of noise is that the environment after the GPS signal is lost is made an uproar
Value；
Obtain the first environment level of noise and second environment level of noise difference；
The method also includes:
The current time for determining that the target is currently located environment is daytime or night；
It is determined that obtaining the intensity of illumination that the target is currently located environment when daytime；
According to the difference, the first setting value, the intensity of illumination and first threshold, determine whether the target is blocked object screening
Gear, comprising:
Determine the absolute value of the difference；
Determine the absolute value be greater than the first setting value, and the intensity of illumination first setting duration in be reduced to first
When threshold value, determine that the target is blocked by the shelter；And determine the absolute value less than the first setting value, and institute
Intensity of illumination is stated when second sets and reach second threshold in duration, determines that the target switchs to not hidden by being blocked by obstructions
Block material blocks.
2. the method as described in claim 1, which is characterized in that after determining that the target is blocked by the shelter, also
Include:
Obtain the building information in current environment；
The building information and pre-stored cartographic information that will acquire compare, and the present bit of target is determined according to comparison result
It sets.
3. a kind of user equipment realized target described in claim 1 and determine method characterized by comprising
Receiving module, for obtaining global position system GPS signal；
Processing module, for obtaining first environment level of noise and second environment level of noise in current environment, wherein described first
Environmental noise value is the environmental noise value before the GPS signal is lost, and the second environment level of noise is that the GPS signal is lost
Environmental noise value after mistake；Obtain the first environment level of noise and second environment level of noise difference；According to the difference and
First setting value, determines whether the target is blocked by obstructions；The processing module, specifically for the exhausted of the determination difference
To value；Determining that the absolute value is greater than the first setting value, and the intensity of illumination is reduced to the in the first setting duration
When one threshold value, determine that the target is blocked by the shelter；And determine the absolute value less than the first setting value, and
The intensity of illumination second setting duration in reach second threshold when, determine the target by be blocked by obstructions switch to not by
Shelter blocks.
4. user equipment as claimed in claim 3, which is characterized in that further include:
Sensing module, the intensity of illumination for being currently located environment for obtaining the target；
The processing module, the current time for being also used to determine that the target is currently located environment is daytime or night；True
It makes when being daytime, obtains the intensity of illumination that the target is currently located environment；According to the difference, the first setting value, described
Intensity of illumination and first threshold, determine whether the target is blocked by obstructions.
5. user equipment as claimed in claim 4, which is characterized in that the processing module is also used to obtain in current environment
Building information；The building information and pre-stored cartographic information that will acquire compare, and determine target according to comparison result
Current location.
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| CN110346825B (en) * | 2019-06-26 | 2021-06-22 | 中国第一汽车股份有限公司 | Vehicle positioning method and device, vehicle and storage medium |
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| CN101344397A (en) * | 2008-08-27 | 2009-01-14 | 凯立德欣技术（深圳）有限公司 | Navigation system and navigation method |
| CN103415785A (en) * | 2011-01-11 | 2013-11-27 | 高通股份有限公司 | Positioning system using light information |
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| JP4086298B2 (en) * | 2003-06-17 | 2008-05-14 | アルパイン株式会社 | Object detection method and apparatus |
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| CN101344397A (en) * | 2008-08-27 | 2009-01-14 | 凯立德欣技术（深圳）有限公司 | Navigation system and navigation method |
| CN103415785A (en) * | 2011-01-11 | 2013-11-27 | 高通股份有限公司 | Positioning system using light information |
| KR20160050680A (en) * | 2014-10-30 | 2016-05-11 | 현대자동차주식회사 | Apparatus and Method for recognizing to approach tunnel through analysis of sound |
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