CN109522503A - The virtual message board system in tourist attractions based on AR Yu LBS technology - Google Patents
The virtual message board system in tourist attractions based on AR Yu LBS technology Download PDFInfo
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- CN109522503A CN109522503A CN201811146683.6A CN201811146683A CN109522503A CN 109522503 A CN109522503 A CN 109522503A CN 201811146683 A CN201811146683 A CN 201811146683A CN 109522503 A CN109522503 A CN 109522503A
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Abstract
The invention discloses a kind of virtual message board system in tourist attractions based on AR Yu LBS technology, comprising: message board recognition unit, message board display unit, message board message unit and message board temperature display unit；The virtual message board that message board recognition unit is placed in tourist attractions for identification, message board display unit is for showing the message content that the message board is recorded, message board message unit on virtual message board for carrying out real-time message-leaving function, message board temperature display unit shows the message temperature of each tourist attractions by color gradient.Tourist can be scanned and be positioned to message board by the APP installed on smart phone in the present invention, and it independently leaves a message above, simultaneously it can also be seen that the message of other tourists, tourist's interactivity of tourist attractions is substantially increased, while being also beneficial to reduce the generation of the uncivil message behavior in tourist attractions.
Description
Technical field
The present invention relates to AR and LBS technical field, especially a kind of tourist attractions based on AR and LBS technology are virtually left a message
Plate system.
Background technique
Augmented reality (Augmented Reality, abbreviation AR) is a kind of by real world information and virtual world information
" seamless " integrated new technology, is the entity information that script is difficult to experience in the certain time spatial dimension of real world
(visual information, sound, taste, tactile etc.) is superimposed after analog simulation again by science and technology such as computers, by virtual information
It is applied to real world, is perceived by human sensory, to reach the sensory experience of exceeding reality.True environment and virtual
Object has been added to the same picture in real time or space exists simultaneously.It not only presents the information of real world, but also will
Virtual information shows that two kinds of information are complementary to one another, are superimposed simultaneously.
Location based service abbreviation LBS (Location Based Service), main working principle are to utilize nothing
The positioning methods such as line electricity communication network or GPS determine the position where mobile device, then according to the location information of user,
To provide corresponding value-added service.In recent years, universal with the high speed development of mobile Internet and smart phone, based on individual
Very big development has been arrived in the application of the LBS service of smart phone.
On the other hand, tourism naturally included social attribute, the involvement of social element, can allow travelling experience deeper into more
Member, but at present on the market, the application for social aspect of travelling is confined to the comment after either travelling of going with before travelling more, very
Rare application can be related to the instant social activity in travelling；Meanwhile tourist attractions are directed to the phenomenon that uncivil message still very sternly
Weight, as a kind of social means of tourism, many tourists can also be write on sight spot personally after sight spot is taken pictures " so-and-so arrive this one
Trip " printed words seriously destroy the environment of tourist attractions or even have damaged related historical relic.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of tourist attractions based on AR and LBS technology and virtually stay
Say plate system, tourist can be scanned and be positioned to message board by the APP installed on smart phone, and independently above
Message, while it can also be seen that other tourists message, substantially increase tourist's interactivity of tourist attractions, be also beneficial to simultaneously
Reduce the generation of the uncivil message behavior in tourist attractions.
In order to solve the above technical problems, the present invention provides a kind of virtual message board in tourist attractions based on AR Yu LBS technology
System, comprising: message board recognition unit, message board display unit, message board message unit and message board temperature display unit；It stays
The virtual message board that speech plate recognition unit is placed in tourist attractions for identification, message board display unit is for showing the message board
The message content recorded, message board message unit on virtual message board for carrying out real-time message-leaving function, message board temperature
Display unit shows the message temperature of each tourist attractions by color gradient.
Preferably, the virtual message board that message board recognition unit is placed in tourist attractions for identification；Virtually message board is
The show brand billboard that any smooth wall or sight spot are introduced at one piece of blank, sight spot；It is examined automatically using Plane Detecting Technique
It surveys plane in the real world and marks, then position of the user in world coordinate system is obtained by GPS module, pass through magnetic force
Meter obtains mobile phone i.e. the direction of user；Since each message board has a unique longitude and latitude in world coordinate system
Degree, is substantially judged whether user faces message board by information above, is detected in real world automatically using Plane Detecting Technique
Plane, i.e., virtual message board judges whether user is targeted by the virtual message board in sight spot by information above；In order to prop up
The development for holding follow-up function needs to carry out image recognition to message wall, that is, utilizes NCC normalized crosscorrelation images match method, will
User's camera interception image is matched with the image information feature for wall of leaving a message on server, then integrates magnetometer acquisition
Orientation information, the specific location of the camera alignment message wall of comprehensive descision user.
Preferably, the NCC algorithm for integrating magnetometer information is specific as follows: calculation template image and search both image it
Between correlation when, be added towards coefficient D, when final cross correlation value maximum, position where template image is to match
The position of point；Assuming that the image that server end saves is set as T, to guarantee successfully to identify from different perspectives, staying for multi-angle is saved
It says that plate searches for image, is denoted as Sk, with every search image SkCorresponding references angle is Ak, template image, that is, camera intake picture
Face is set as T, and it is A that corresponding mobile phone magnetometer, which is obtained towards value,T, SkSize be N × N, the size of T is M × M, and M, N are equal
The pixel of representative image meets relational expression M < N, Si,jThe covering subgraph for being T when moving to the position (i, j) on S, i and j's
Value and Sk, the relative size of T is related, need to guarantee cross the border and search for completely, then cross correlation value calculation formula is as follows
Wherein,
By template image T in each search image SnIn scan for, by all search results, cross correlation value is maximum
Result be left final search result, that is, have found user and leave a message wall relative position.
Preferably, message board display unit is for showing the message content that the message board is recorded；User passes through message system
For system after some message board message, message will be stored in server end, after thering is user to identify the message board, server
The mobile phone that can send message information corresponding to the message board to by mobile network user services if message is more
Device can random screening message；After user mobile phone receives the message of server end, then virtual message information synthesis is rendered and is being known
On the message board being clipped to.
Preferably, message board message unit on virtual message board for carrying out real-time message-leaving function；User is one piece selected
The virtual message board of tourist attractions is arranged in by the identification of message board recognition unit for virtual message board；The selected virtual message of user
It after plate, freely leaves a message, message information will upload onto the server end, wait message board display unit calling.
Preferably, message board temperature display unit shows the message temperature of each tourist attractions by color gradient；Service
Device end is as unit of week, the message situation of all virtual message boards within the scope of statistical server, and server needs that filtering is arranged
Algorithm, filters out malice brush screen message and other leave a message in violation of rules and regulations, then using quantity of leaving a message as index, passes through a color ladder
Degree, shows the message situation of all virtual message boards within the scope of this；It is multiple virtual due to also can be set in a tourist attractions
Message board, therefore temperature display unit can also react in a sight spot, the message situation of different zones, to reflect this
The message preference of tourist and the analysis for tourist attractions Environment utilization ratio in sight spot.
The invention has the benefit that (1) facilitates the social activity of tourist in tourist attractions, enhance tourist attractions tourist
Interactivity improves tourist attractions user stickiness；(2) facilitate the body of playing that tourist attractions management department more fully understands tourist
It tests, so that the service quality of tourist attractions is improved, it, can also be to the tourist of tourist attractions point by analyzing message temperature
Stream makes more reasonable planning.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Fig. 2 is message board recognition unit workflow schematic diagram of the invention.
Fig. 3 is effect picture of the present invention at user mobile phone interface.
Specific embodiment
As shown in Figure 1, a kind of virtual message board system in tourist attractions based on AR Yu LBS technology, comprising: message board identification
Unit, message board display unit, message board message unit and message board temperature display unit；Message board recognition unit is for identification
The virtual message board placed in tourist attractions, message board display unit are stayed for showing the message content that the message board is recorded
Speech plate message unit passes through color ladder for carrying out real-time message-leaving function, message board temperature display unit on virtual message board
Degree, shows the message temperature of each tourist attractions.
As shown in figure 3, the system relies on cell phone application and server is realized, it is virtual that server end is mainly used for storage
The message information of message board and data processing, cell phone application realize message, augmented reality function.
Firstly, the camera module of mobile phone, GPS module and magnetometer module are automatically opened after user opens APP, into
The virtual message board identification process of row.
APP passes through GPS positioning information first, judges whether user is located near a certain piece of message board, then in conjunction with magnetic force
Meter information judges whether user faces the message board.What message board can be sight spot periphery introduces plate, is also possible to sight spot itself
The plane of institute's band, such as the inner wall surface of city wall.
If so, into AR plane monitoring-network process, the ARKit for calling ios platform included carries out plane monitoring-network, has detected
The backstage of Bi Hou, APP can generate an ARAnchor, for marking message board plane, while utilize World Tracking skill
Art, the translation rotation for first passing through tracking mobile phone obtain the coarse location of video camera, then the feature by capture real world images
Point obtains the exact position of video camera, so as to obtain the position of video camera in real time, by the image for capturing real world and takes the photograph
Camera position synthesis obtains scene parsing.
After obtaining scene parsing, even if user's cell phone, APP still can remember the position of message board plane.User this
When can choose whether to show that other tourists leave a message.
At the same time, mobile phone is sent to server after camera intake image-capture being switched to gray scale picture automatically, by
Server carries out the operation of NCC image matching algorithm, judge user mobile phone at present pair be message board which position, it is convenient
Subsequent message display.
If selection is, APP will send to server end and request, the number of message board is had in request by mobile network
Information reads the corresponding all message information of the number message board deposited in server hard disc after server end response.Such as
Fruit leaves a message quantity lower than some threshold value, then sends all message information to the mobile phone terminal of request.The mobile phone terminal of the user receives
After all message information, the information that will just leave a message is rendered on having detected the message board plane finished, can be provided in this example
Static message carries out Dynamic Display in a rolling manner.
User can select the message information in rolling by handset touch panel at this time, further be operated, such as
It replys message people, thumb up message or report message content.If message quantity it is more, can according to message reply temperature, the time or
Other similarity measures of message user and active user are ranked up message, preferential to show the message of sequence earlier above.
Meanwhile APP can be directly entered message-leaving function module and leave a message, if APP had been detected and had been stayed in a short time at this time
It says plate plane, then no longer opens camera module etc. and detected, otherwise reopen each module and carry out message board plane monitoring-network,
Find nearest virtual message board.
After finding, user can Freely input leave a message information, after input, message information can be sent to by mobile network
Server end is saved.Before preservation, server end can audit message information, and audit is by that can save.
The data processing of server end mainly counts the message information of the virtual message board of each tourist attractions, shape
At tourist attractions message thermal map, and by neural network algorithm, similar message of classifying forms tourist attractions message report.
Claims (6)
1. the virtual message board system in tourist attractions based on AR Yu LBS technology characterized by comprising message board recognition unit,
Message board display unit, message board message unit and message board temperature display unit；Message board recognition unit is traveled for identification
The virtual message board placed in sight spot, message board display unit is for showing the message content that the message board is recorded, message board
Message unit is shown for carrying out real-time message-leaving function, message board temperature display unit on virtual message board by color gradient
Show the message temperature of each tourist attractions.
2. the virtual message board system in tourist attractions based on AR Yu LBS technology as described in claim 1, which is characterized in that stay
The virtual message board that speech plate recognition unit is placed in tourist attractions for identification；Virtual message board is one piece of blank, appoints at sight spot
The show brand billboard that one smooth wall or sight spot are introduced；Detect plane in the real world automatically using Plane Detecting Technique
And it marks, then position of the user in world coordinate system is obtained by GPS module, mobile phone is obtained by magnetometer and is namely used
The direction at family；Since each message board has a unique longitude and latitude in world coordinate system, substantially by information above
Judge whether user faces message board, detects plane in the real world automatically using Plane Detecting Technique, i.e., virtual message board,
By information above, judge whether user is targeted by the virtual message board in sight spot；Image recognition is carried out to message wall, is utilized
NCC normalized crosscorrelation images match method, by the image information feature for wall of leaving a message on user's camera interception image and server
It is matched, then integrates the orientation information of magnetometer acquisition, the specific position of the camera alignment message wall of comprehensive descision user
It sets.
3. the virtual message board system in tourist attractions based on AR Yu LBS technology as claimed in claim 2, which is characterized in that whole
The NCC algorithm for closing magnetometer information is specific as follows: when calculation template image is with the correlation of image between the two is searched for, being added
Towards coefficient D, when final cross correlation value maximum, the position where template image is the position of match point；Assuming that service
The image that device end saves is set as T, to guarantee successfully to identify from different perspectives, saves the message board search image of multi-angle, is denoted as
Sk, with every search image SkCorresponding references angle is Ak, template image, that is, camera intake picture is set as T, corresponding hand
It is A that machine magnetometer, which is obtained towards value,T, SkSize be N × N, the size of T is M × M, and the pixel of the equal representative image of M, N, is met
Relational expression M < N, SI, jThe covering subgraph for being T when moving to the position (i, j) on S, the value and S of i and jk, T's is relatively large
Small correlation need to guarantee cross the border and search for completely, then cross correlation value calculation formula is as follows
Wherein,
By template image T in each search image SnIn scan for, by all search results, the maximum knot of cross correlation value
Fruit is left final search result, that is, has found the relative position of user and wall of leaving a message.
4. the virtual message board system in tourist attractions based on AR Yu LBS technology as described in claim 1, which is characterized in that stay
Speech plate display unit is for showing the message content that the message board is recorded；User is left a message by message leaving system in some message board
Afterwards, message will be stored in server end, and after having user to identify the message board, server can will be corresponding to the message board
Message information the mobile phone of user is sent to by mobile network, if message is more, server can random screening message；With
After family mobile phone receives the message of server end, then by virtual message information synthesis rendering on the message board recognized.
5. the virtual message board system in tourist attractions based on AR Yu LBS technology as described in claim 1, which is characterized in that stay
Speech plate message unit on virtual message board for carrying out real-time message-leaving function；User selectes one piece of virtual message board, by staying
The virtual message board of tourist attractions is arranged in speech plate recognition unit identification；After user selectes virtual message board, freely leave a message,
Message information will upload onto the server end, wait message board display unit calling.
6. the virtual message board system in tourist attractions based on AR Yu LBS technology as described in claim 1, which is characterized in that stay
Say that plate temperature display unit by color gradient, shows the message temperature of each tourist attractions；Server end is as unit of week, system
The message situation of all virtual message boards in server-wide is counted, server needs that filter algorithm is arranged, and filters out malice and brushes
Screen message and other violations are left a message, and then using quantity of leaving a message as index, by a color gradient, show within the scope of this and own
The message situation of virtual message board.
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| CN112699331A (en) * | 2020-12-31 | 2021-04-23 | 深圳市慧鲤科技有限公司 | Message information display method and device, electronic equipment and storage medium |
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