CN108391231A - Skiing blind area display system based on AR and its control method - Google Patents
Skiing blind area display system based on AR and its control method Download PDFInfo
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- CN108391231A CN108391231A CN201810176679.8A CN201810176679A CN108391231A CN 108391231 A CN108391231 A CN 108391231A CN 201810176679 A CN201810176679 A CN 201810176679A CN 108391231 A CN108391231 A CN 108391231A
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- wearer
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- skifield
- skiing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/026—Services making use of location information using location based information parameters using orientation information, e.g. compass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
- H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instructional Devices (AREA)
- Navigation (AREA)
Abstract
Skiing blind area display system based on AR obtains the cartographic information of skifield by server, deceleration area boundary around skiing field border and skifield is either automatically or manually identified and is mapped in virtual coordinate system, the spatial positional information of all wearers is mapped in virtual coordinate system, is labeled in map；The information of slider around the trail of wearer place is obtained in real time, the color that slider to that may generate collision with wearer marks in map is changed, and the position and the sliding trajectory before collision that contact-impact is generated between wearer and neighbouring slider record；Show skiing field border, deceleration area boundary information around skifield by VR glasses, wearer, surrounding slider location information and colouring information.The visual field that wearer is expanded with this is made wearer have sufficient time adjustment direction and lane-change, increases the safety of skiing.The present invention proposes a kind of skiing blind area display control method based on AR simultaneously.
Description
Technical field
The present invention relates to skifield secure boot techniques fields, and in particular to a kind of skiing blind area display system based on AR
And its control method.
Background technology
The damage when injury generated is far longer than slider's wrestling is collided when most, between slider, and
And it is possible to generate any type of injury.In addition to grasp correctly wrestling posture other than, it is often more important that how to avoid and he
People is bumped against.
First, adequately observation is highly important during sliding, and especially sliding speed is relatively slow or crosses
Paid attention to when trail to the observation on the upside of mountain, secondly, observe other people with wearer at a distance from, wearer and other people relative velocity and
Sliding trajectory.
The reason that veneer is slided due to front and back sword possesses intimate 360 degree of the visual field, is conducive to for trail ambient enviroment
There is the blind area of very wide-angle behind since the visual field is towards under mountain in observation, double plates.
During sliding, slider should grasp the sliding speed of wearer, wearer and front slider
The motion mode of slider, carries out the preparation overtaken other vehicles or stopped and stop at any time in front of safe distance, anticipation；It also to notice behind simultaneously
The speed of top slider, at a distance from wearer and sliding trajectory, be ready to let pass or throw away；The right and left pays attention to wearing
The position of wearer's road occupying and the method for operation of other side, avoid blind area from bumping against, and avoid size revolution interspersed circuit mutually.
In the case of high speed slide, attention can be more placed on the control to speed and body gesture by slider
On, seldom it will be noted that the sliding speed and sliding trajectory of rear blind area slider.Since the glider of road ahead possesses more
High preferential selection route right, during sliding, the slider at road rear is due to sliding skill, personal experience not
Foot and it is nervous, can not timely adjusts path, when the slider at rear and the slider in front will collide, the cunning in front
Snow person often carries out lane-change without time enough and direction adjusts, at this point, often will produce collision and fall down, in the feelings of high speed
This collision often more serious, any type of collision injury under condition.
Slideway at left and right sides of skifield at boundary is often less smooth, and there are many protrusions, slider is in high ski-running
The ground of protrusion is encountered in capable process, it is easy to fly out slideway and out of control, the not so good slider of technology is in skiing field border
Place is easy to out of control and falls down, and there are prodigious security risks.
Deceleration area boundary under skifield mountain often have some slided into from mountain Shan Xia waiting lines take drag
It leads or the slider of cable car, at peak period, the troop of queuing is very long, for sliding into " new hand " under mountain from mountain often
It cannot good brake deceleration, it is easy to pour in the crowd of queuing, there are prodigious security risks.
Patent " skiing blind area safety prompting system and its control method " obtains wearer by photographic device behind in real time
Image information, position of the rear slider relative to wearer, the speed of collision will may be generated in image with wearer
It is shown and is reminded with motion track information.By this mode of image of camera acquisition behind, in wearer's turning
In the process, the image information of camera shooting follows the rotation in wearer's body direction and rotates, and believes the image acquired behind
Cease it is unstable, it is not disposable.
Invention content
In view of the above defects of the prior art, the invention solves a technical problem be：It obtains and wears in real time
The information of slider around the trail of wearer place, to position of the slider of collision relative to wearer may be generated with wearer
Set, movement speed and motion track are assessed, shown and are reminded, the visual field of wearer is expanded with this, wearer is made to have abundance
Time adjustment direction and lane-change, avoid with the slider of surrounding generate collision, increase the safety of skiing.
The present invention is realized by using following technical scheme, and the skiing blind area based on AR designed by this purpose is shown
System includes：Multiple mobile terminals and server.
Mobile terminal includes：Position detection unit, the first storage unit, the first wireless communication unit, main control module, power supply
Administrative unit, lithium battery, driving unit, display unit and vibration unit.
Position detection unit includes：Geomagnetic sensor, gyroscope, acceleration transducer and GPS receiver；
Position detection unit based on the current spatial position of the Characteristics Detection wearer of various sensors, moving direction, movement speed and
Acceleration information.
First storage unit：To the cartographic information of skifield, the deceleration area boundary around field border of skiing and skifield exists
Mark in map is stored.
First wireless communication unit：It is carried out wireless communication by infrared, bluetooth, WiFI or Zigbee and server.
Main control module：For data operation processing.
Power Management Unit：For carrying out Charge Management to lithium battery.
Driving unit：For being driven to display unit and vibration unit.
Display unit：Skiing field border, deceleration area boundary information around skifield are shown by VR glasses, preset first
The location information and colouring information of wearer, surrounding slider in distance areas.
Vibration unit：Vibration prompt is carried out to wearer by way of vibrating motor vibration.
Server includes：Second wireless communication unit, distance detection unit, boundary detection unit, mark unit, comparison list
Member, the second storage unit and push unit；For data receiver, transmission and calculation process.
Distance detection unit：According to the spatial positional information of current wearer calculate in real time wearer and neighbouring slider it
Between apart from size.
Boundary detection unit：Wearer's size at a distance from skiing field border is calculated, wearer is calculated and slows down with skifield
Area boundary apart from size.
Mark unit：Deceleration area boundary around skiing field border and skifield is either automatically or manually identified and reflected
It is mapped in virtual coordinate system, the deceleration area boundary around skiing field border and skifield is labeled in map；To own
The spatial positional information of wearer is mapped in virtual coordinate system, to dynamic position of all wearers in map into rower
Note.
Comparing unit：
Wearer is compared with adjacent to the distance between slider with the first safe distance, if wearer and neighbouring slider
The distance between be not more than the first safe distance, then wearer changes with the color marked in map adjacent to slider.
Wearer is compared at a distance from skiing field border with the second safe distance, if wearer and skiing field border
Distance be not more than the second safe distance, then the color that wearer marks in map changes, and VR glasses show skifield
Boundary information.
Wearer is compared at a distance from skifield deceleration area boundary with third safe distance, if wearer and skiing
The distance on field deceleration area boundary is not more than third safe distance, then the color that wearer marks in map changes, VR
Mirror shows skifield deceleration area boundary information.
Second storage unit：To the cartographic information of skifield, the deceleration area boundary around field border of skiing and skifield exists
Mark in map is stored；The sliding before the position of generation contact-impact, collision between wearer and neighbouring slider
Track is recorded.
Push unit：Periodically by sliding before the position for generating contact-impact between wearer and neighbouring slider, collision
Track is summarized, and is labeled in skifield map, and carries out color burn mark to the position that high-frequency collides.
A kind of skiing blind area display control method based on AR：
Server obtains the cartographic information of skifield, to the deceleration area boundary around skiing field border and skifield carry out it is automatic or
Person's manual identification is simultaneously mapped in virtual coordinate system, to skiing field border and skifield around deceleration area boundary in map into
Rower is noted.
All wearers are real-time by current spatial position, moving direction, movement speed and acceleration information in skifield
It is sent to server.
Server calculates the spatial position of all wearers in skifield in real time, and by the space bit confidence of all wearers
Breath is mapped in virtual coordinate system, is labeled to dynamic position of all wearers in map.
In preset distance areas, server calculates the distance between each wearer and neighbouring slider in real time,
With skiing field border at a distance from, at a distance from skifield deceleration area boundary, and be compared with safe distance, judge wearer with
The variation of the color of neighbouring slider's mark.
In preset first distance areas, calculate separately the distance between each wearer and neighbouring slider and with
First safe distance is compared, if the distance between wearer and neighbouring slider are more than the first safe distance, wearer
The color marked in map with neighbouring slider does not change；If the distance between wearer and neighbouring slider are not more than
First safe distance, the then color that wearer marks with neighbouring slider in map change.
In preset second distance region, each wearer is calculated separately at a distance from skiing field border and with second
Safe distance is compared, if wearer is more than the second safe distance at a distance from skiing field border, wearer is in map
The color of mark does not change；If wearer is not more than the second safe distance at a distance from skiing field border, wearer exists
The color marked in map changes.
In preset third distance areas, each wearer is calculated separately at a distance from skifield deceleration area boundary simultaneously
It is compared with third safe distance, if wearer is more than third safe distance at a distance from skifield deceleration area boundary, wears
The color that wearer marks in map does not change；If wearer pacifies at a distance from skifield deceleration area boundary no more than third
Full distance, the then color that wearer marks in map change.
Server is in real time by the spatial positional information of wearer, other sliders in preset first distance areas
Spatial positional information and colouring information are sent to wearer.
If wearer is not more than the second safe distance at a distance from skiing field border, server shows skiing field border
Information is sent to wearer.
If wearer is not more than third safe distance at a distance from skifield deceleration area boundary, server subtracts skifield
Fast area boundary shows that information is sent to wearer.
By the spatial positional information of the VR glasses real-time display wearers oneself with wearer, preset first away from
Spatial positional information and colouring information from other sliders in region；Vibrating motor vibration by way of to wearer into
Row vibration prompt.
If wearer is not more than the second safe distance, VR glasses display skiing field border letter at a distance from skiing field border
Breath.
If wearer is not more than third safe distance at a distance from skifield deceleration area boundary, VR glasses show skifield
Deceleration area boundary information.
The preset distance areas includes：First distance areas, second distance region and third distance areas.
Preset first distance areas：Square area centered on wearer.
The preset second distance region：The region of distance skiing field border certain intervals distance.
The preset third distance areas：Apart from the region of skifield deceleration area boundary certain intervals distance.
The safe distance includes：First safe distance, the second safe distance and third safe distance.
First safe distance is the safe distance between wearer and neighbouring slider.
Second safe distance is the safe distance of wearer and field border of skiing.
The third safe distance is the safe distance of wearer and skifield deceleration area boundary.
VR glasses display location information, moving direction information, boundary information and the colouring information of wearer simplifies interaction circle
Face.
If generating contact-impact between wearer and surrounding slider, system is to the cunning before generating the position collided, collision
Row track is recorded, and periodically will slide rail before the position for generating contact-impact between wearer and neighbouring slider, collision
Mark is summarized, and is labeled in skifield map, and carries out color burn mark to the position that high-frequency collides.It is logical
A large amount of contact-impact data are crossed, the slideway safety of skifield is fed back, reconstruction of slideway are provided with this large amount of
Data are supported.
Description of the drawings
Fig. 1 is the logic diagram of the present invention.
Fig. 2 is the operative scenario schematic diagram that present invention number is 104 the 4th sliders.
Fig. 3 shows the cyclogram of 104 the 4th sliders in Fig. 2 scenes by VR glasses.
Fig. 4 is the operative scenario schematic diagram that present invention number is 102 second sliders.
Fig. 5 shows the cyclogram of 102 second sliders in Fig. 4 scenes by VR glasses.
Fig. 6 is the operative scenario schematic diagram that present invention number is 101 first sliders.
Fig. 7 shows the cyclogram of 101 first sliders in Fig. 6 scenes by VR glasses.
Fig. 8 is the program flow diagram of the present invention.
In Fig. 2, Fig. 4 and Fig. 6,101 be the first slider, and 102 be the second slider, and 103 be third slider, and 104 are
4th slider, 105 be the 5th slider, and 106 be the 6th slider.
11 be preset first distance areas, i.e., the square area centered on wearer.
12 be preset second distance region, i.e. the region of distance skiing field border certain intervals distance.
13 be preset third distance areas, i.e., apart from the region of skifield deceleration area boundary certain intervals distance.
L1 is the first safe distance, i.e. safe distance between wearer and neighbouring slider.
L2 is the second safe distance, i.e. the safe distance of wearer and skiing field border.
L3 is third safe distance, the i.e. safe distance of wearer and skifield deceleration area boundary.
S1 is the distance between wearer and neighbouring slider.
S2 is wearer at a distance from skiing field border.
S3 is wearer at a distance from skifield deceleration area boundary.
Specific implementation mode
The present invention is further elaborated in the following with reference to the drawings and specific embodiments.
First embodiment
All wear a mobile terminal in Fig. 2, on the body of all sliders, all wearers are by current space bit in skifield
It sets, moving direction, movement speed and acceleration information are sent to server in real time by the first wireless communication unit.
Server obtains the cartographic information of skifield, is carried out certainly to the deceleration area boundary around skiing field border and skifield
Dynamic or manual identification is simultaneously mapped in virtual coordinate system, to the deceleration area boundary around skiing field border and skifield in map
In be labeled.
Spatial position, the movement side that server passes through all wearers in the second wireless communication unit real-time reception skifield
To, movement speed and acceleration information, the spatial position of all wearers in skifield is calculated in real time, and by all wearers'
Spatial positional information is mapped in virtual coordinate system, is labeled to dynamic position of all wearers in map.
Centered on 104 the 4th sliders, in 11 preset first distance areas, 104 the 4th sliders and neighbour are calculated
The distance between nearly slider is simultaneously compared with the first safe distances of L1, if between 104 the 4th sliders and neighbouring slider
Distance be more than the first safe distances of L1, then 104 the 4th sliders and the color that neighbouring slider marks in map are green；
If the distance between 104 the 4th sliders and neighbouring slider are not more than the first safe distances of L1,104 the 4th sliders and neighbour
The color that nearly slider marks in map changes, and color becomes red.
In Fig. 2,103 third sliders, 105 the 5th sliders and 106 the 6th sliders are located at 11 preset first distances
In region, the distance between 106 the 6th sliders and 104 the 4th sliders are more than the first safe distances of L1,106 the 6th sliders
The color marked in map is green；Between 103 third sliders and 105 the 5th sliders and 104 the 4th sliders away from
From no more than the first safe distances of L1,103 third sliders, 104 the 4th sliders and 105 the 5th sliders mark in map
Color be red.
104 the 4th sliders are calculated at a distance from skiing field border and are compared with the second safe distances of L2, if 104 the
Four sliders are more than the second safe distances of L2, the then face that 104 the 4th sliders mark in map at a distance from skiing field border
Color does not change；If 104 the 4th sliders with skiing field border at a distance from be not more than the second safe distances of L2,104 the 4th
The color that slider marks in map changes.
In Fig. 2,104 the 4th sliders are more than the second safe distances of L2,104 the 4th sliders at a distance from skiing field border
The color marked in map does not change.
104 the 4th sliders are calculated to be compared at a distance from skifield deceleration area boundary and with L3 third safe distances,
If 104 the 4th sliders are more than L3 third safe distances at a distance from skifield deceleration area boundary, 104 the 4th sliders are on ground
The color marked in figure does not change；If 104 the 4th sliders are not more than L3 thirds at a distance from skifield deceleration area boundary
Safe distance, the then color that 104 the 4th sliders mark in map change.
In Fig. 2,104 the 4th sliders at a distance from skifield deceleration area boundary be more than L3 third safe distances, 104 the 4th
The color that slider marks in map does not change.
Server in real time believes the spatial positional information of other sliders in 11 preset first distance areas and color
Breath is sent to 104 the 4th sliders.
If 104 the 4th sliders are not more than the second safe distances of L2 at a distance from skiing field border, server will ski
Field border shows that information is sent to 104 the 4th sliders.
If 104 the 4th sliders are not more than L3 third safe distances, server at a distance from skifield deceleration area boundary
Skifield deceleration area boundary is shown that information is sent to 104 the 4th sliders.
In Fig. 2,104 the 4th sliders are more than the second safe distances of L2 at a distance from skiing field border and 104 the 4th slide
Snow person is more than L3 third safe distances at a distance from skifield deceleration area boundary, and skiing field border will not be shown information by server
Show that information is sent to 104 the 4th sliders with skifield deceleration area boundary.
In Fig. 3, pass through the space bit of the 4th slider oneself of VR glasses real-time display 104 with 104 the 4th sliders
Confidence breath, other sliders in 11 preset first distance areas spatial positional information and colouring information.
The distance between 106 the 6th sliders and 104 the 4th sliders are more than the first safe distances of L1,106 the 6th skiing
Person's color is shown in green；103 third sliders and the distance between 105 the 5th sliders and 104 the 4th sliders are not more than
The first safe distances of L1,103 third sliders, 104 the 4th sliders and 105 the 5th slider's colors are shown in red, vibration
Motor carries out vibration prompt.
104 the 4th sliders are more than the second safe distances of L2 at a distance from skiing field border, and VR glasses do not show skifield
Boundary information.
104 the 4th sliders are more than L3 third safe distances at a distance from skifield deceleration area boundary, and VR glasses are not shown
Skifield deceleration area boundary information.
Second embodiment
In Fig. 4,104 the 4th sliders are located in 11 preset first distance areas, 104 the 4th sliders and 102 second skiing
The distance between person is more than the first safe distances of L1, and the color that 104 the 4th sliders mark in map is green, and 102 second
The color that slider marks in map does not change.
In Fig. 4,102 second sliders are not more than the second safe distances of L2,102 second skiing at a distance from skiing field border
The color that person marks in map changes, and the color that 102 second sliders mark in map becomes red, and server will
Skiing field border shows that information is sent to 102 second sliders.
In Fig. 4,102 second sliders at a distance from skifield deceleration area boundary be more than L3 third safe distances, 102 second
The color that slider marks in map does not change, and skifield deceleration area boundary will not be shown that information is sent to by server
102 second sliders.
In Fig. 5, pass through the space bit of 102 second slider oneself of VR glasses real-time display with 102 second sliders
Confidence breath, other sliders in 11 preset first distance areas spatial positional information and colouring information, 104 the 4th slide
The distance between snow person and 102 second sliders are more than the first safe distances of L1, and 104 the 4th slider's colors are shown in green.
102 second sliders are not more than the second safe distances of L2 at a distance from skiing field border, and VR glasses show skifield
Boundary information, the color that 102 second sliders mark in map become red, and vibrating motor carries out vibration prompt.
102 second sliders are more than L3 third safe distances at a distance from skifield deceleration area boundary, and VR glasses are not shown
Skifield deceleration area boundary information.
3rd embodiment
In Fig. 6, remaining slider is not located in 11 preset first distance areas, and 101 first sliders mark in map
Color do not change.
In Fig. 6,101 first sliders are more than the second safe distances of L2,101 first sliders at a distance from skiing field border
The color marked in map does not change, and skiing field border will not be shown that information is sent to 101 first skiing by server
Person.
In Fig. 6,101 first sliders are not more than L3 third safe distances at a distance from skifield deceleration area boundary, and 101 the
The color that one slider marks in map changes, and the color that 101 first sliders mark in map becomes red, clothes
Skifield deceleration area boundary is shown that information is sent to 101 first sliders by business device.
In Fig. 7, pass through the space bit of 101 first slider oneself of VR glasses real-time display with 101 first sliders
Confidence breath, other sliders in 11 preset first distance areas spatial positional information and colouring information.
101 first sliders are more than the second safe distances of L2 at a distance from skiing field border, and VR glasses do not show skifield
Boundary information.
101 first sliders are not more than L3 third safe distances at a distance from skifield deceleration area boundary, and VR glasses are shown
Skifield deceleration area boundary information, the color that 101 first sliders mark in map become red, and vibrating motor is vibrated
Prompt.
Fourth embodiment
Such as Fig. 8：The program flow diagram of the present invention.
Step S11：Server obtains the cartographic information of skifield, to the deceleration area side around skiing field border and skifield
Boundary is either automatically or manually identified and is mapped in virtual coordinate system, to the deceleration area side around skiing field border and skifield
Boundary is labeled in map.
Step S12：All wearers are by current spatial position, moving direction, movement speed and acceleration in skifield
Information is sent to server in real time by the first wireless communication unit.
Step S13：The space bit that server passes through all wearers in the second wireless communication unit real-time reception skifield
It sets, moving direction, movement speed and acceleration information, calculates the spatial position of all wearers in skifield in real time, and by institute
There is the spatial positional information of wearer to be mapped in virtual coordinate system, to dynamic position of all wearers in map into rower
Note.
Step S14：Judge whether the distance between wearer and neighbouring slider are more than the first safe distance, if wearer
The distance between neighbouring slider is not more than the first safe distance, then executes S15；If between wearer and neighbouring slider
Distance is more than the first safe distance, then executes S16.
Step S15：The color that wearer marks with neighbouring slider in map changes.
Step S16：The color that wearer marks with neighbouring slider in map does not change.
Step S17：Judge whether wearer is more than the second safe distance at a distance from skiing field border, if wearer and cunning
The distance on snow pack boundary is not more than the second safe distance, then executes S18；If wearer is more than second at a distance from skiing field border
Safe distance then executes S19.
Step S18：The color that wearer marks in map changes, and VR glasses show skifield boundary information.
Step S19：The color that wearer marks in map does not change, and VR glasses do not show skiing field border letter
Breath.
Step S20：Judge whether wearer is more than third safe distance at a distance from skifield deceleration area boundary, if wearing
Person is not more than third safe distance at a distance from skifield deceleration area boundary, then executes S21；If wearer and skifield deceleration area
The distance on boundary is more than third safe distance, then executes S22.
Step S21：The color that wearer marks in map changes, and VR glasses show skifield deceleration area boundary letter
Breath.
Step S22：The color that wearer marks in map does not change, and VR glasses do not show skifield deceleration area side
Boundary's information.
The foregoing is merely presently preferred embodiments of the present invention, practical range not for the purpose of limiting the invention；It is every according to this
Equivalence changes made by invention and modification, are all covered by the range of claims of the present invention.
Claims (5)
1. a kind of skiing blind area display system based on AR, which is characterized in that the skiing blind area display system based on AR includes：It is more
A mobile terminal and server；
Mobile terminal includes：Position detection unit, the first storage unit, the first wireless communication unit, main control module, power management
Unit, lithium battery, driving unit, display unit and vibration unit；
Position detection unit includes：Geomagnetic sensor, gyroscope, acceleration transducer and GPS receiver；Position
Detection unit is based on the current spatial position of the Characteristics Detection wearer of various sensors, moving direction, movement speed and acceleration
Spend information；
First storage unit：To the cartographic information of skifield, the deceleration area boundary around field border of skiing and skifield is in map
In mark stored；
First wireless communication unit：It is carried out wireless communication by infrared, bluetooth, WiFI or Zigbee and server；
Main control module：For data operation processing；
Power Management Unit：For carrying out Charge Management to lithium battery；
Driving unit：For being driven to display unit and vibration unit；
Display unit：Pass through deceleration area boundary information around VR glasses display skiing field border, skifield, preset first distance
The location information and colouring information of wearer, surrounding slider in region；
Vibration unit：Vibration prompt is carried out to wearer by way of vibrating motor vibration；
Server includes：Second wireless communication unit, distance detection unit, boundary detection unit, mark unit, comparing unit,
Second storage unit and push unit；For data receiver, transmission and calculation process；
Distance detection unit：It is calculated in real time between wearer and neighbouring slider according to the spatial positional information of current wearer
Apart from size；
Boundary detection unit：Wearer's size at a distance from skiing field border is calculated, wearer and skifield deceleration area side are calculated
Boundary apart from size；
Mark unit：Deceleration area boundary around skiing field border and skifield is either automatically or manually identified and is mapped to
In virtual coordinate system, the deceleration area boundary around skiing field border and skifield is labeled in map；By all wearings
The spatial positional information of person is mapped in virtual coordinate system, is labeled to dynamic position of all wearers in map；
Comparing unit：
Wearer is compared with adjacent to the distance between slider with the first safe distance, if wearer and neighbouring slider
The distance between be not more than the first safe distance, then wearer changes with the color marked in map adjacent to slider；
Wearer is compared at a distance from skiing field border with the second safe distance, if wearer and field border of skiing away from
From no more than the second safe distance, then the color that wearer marks in map changes, VR glasses display skiing field border
Information；
Wearer is compared at a distance from skifield deceleration area boundary with third safe distance, if wearer subtracts with skifield
The distance on fast area boundary is not more than third safe distance, then the color that wearer marks in map changes, and VR glasses are aobvious
Show skifield deceleration area boundary information；
Second storage unit：To the cartographic information of skifield, the deceleration area boundary around field border of skiing and skifield is in map
In mark stored；Sliding trajectory between wearer and neighbouring slider before the position of generation contact-impact, collision
It is recorded；
Push unit：Periodically by the sliding trajectory before the position of generation contact-impact, collision between wearer and neighbouring slider
Summarized, be labeled in skifield map, and color burn mark is carried out to the position that high-frequency collides.
2. according to the skiing blind area display system based on AR described in claim 1, it is characterised in that：
Preset first distance areas is the square area centered on wearer；
First safe distance is the safe distance between wearer and neighbouring slider；
Second safe distance is the safe distance of wearer and field border of skiing；
The third safe distance is the safe distance of wearer and skifield deceleration area boundary.
3. a kind of skiing blind area display control method based on AR, which is characterized in that
Step S11：Server obtain skifield cartographic information, to skiing field border and skifield around deceleration area boundary into
Row is either automatically or manually identified and is mapped in virtual coordinate system, is existed to the deceleration area boundary around skiing field border and skifield
It is labeled in map；
Step S12：All wearers are by current spatial position, moving direction, movement speed and acceleration information in skifield
It is sent to server in real time by the first wireless communication unit；
Step S13：Server passes through the spatial position of all wearers, shifting in the second wireless communication unit real-time reception skifield
Dynamic direction, movement speed and acceleration information, calculate the spatial position of all wearers in skifield in real time, and by all wearings
The spatial positional information of person is mapped in virtual coordinate system, is labeled to dynamic position of all wearers in map；
Step S14：Judge whether the distance between wearer and neighbouring slider are more than the first safe distance, if wearer and neighbour
The distance between nearly slider is not more than the first safe distance, then executes S15；If the distance between wearer and neighbouring slider
More than the first safe distance, then S16 is executed；
Step S15：The color that wearer marks with neighbouring slider in map changes；
Step S16：The color that wearer marks with neighbouring slider in map does not change；
Step S17：Judge whether wearer is more than the second safe distance at a distance from skiing field border, if wearer and skifield
The distance on boundary is not more than the second safe distance, then executes S18；If wearer is more than the second safety at a distance from skiing field border
Distance then executes S19；
Step S18：The color that wearer marks in map changes, and VR glasses show skifield boundary information；
Step S19：The color that wearer marks in map does not change, and VR glasses do not show skifield boundary information；
Step S20：Judge wearer at a distance from skifield deceleration area boundary whether be more than third safe distance, if wearer with
The distance on skifield deceleration area boundary is not more than third safe distance, then executes S21；If wearer and skifield deceleration area boundary
Distance be more than third safe distance, then execute S22；
Step S21：The color that wearer marks in map changes, and VR glasses show skifield deceleration area boundary information；
Step S22：The color that wearer marks in map does not change, and VR glasses do not show that skifield deceleration area boundary is believed
Breath.
4. according to the skiing blind area display control method based on AR described in claim 3, it is characterised in that：
Preset first distance areas is the square area centered on wearer；
First safe distance is the safe distance between wearer and neighbouring slider；
Second safe distance is the safe distance of wearer and field border of skiing；
The third safe distance is the safe distance of wearer and skifield deceleration area boundary.
5. according to the skiing blind area display control method based on AR described in claim 3, it is characterised in that：If wearer with
Contact-impact is generated between surrounding slider, system records the sliding trajectory before generating the position collided, collision, periodically
Sliding trajectory before the position for generating contact-impact between wearer and neighbouring slider, collision is summarized, in skifield
It is labeled in map, and color burn mark is carried out to the position that high-frequency collides.
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