CN110442813A - A kind of tourist souvenir information processing system and method based on AR - Google Patents
A kind of tourist souvenir information processing system and method based on AR Download PDFInfo
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Abstract
The invention belongs to AR tourism technical fields, disclose a kind of tourist souvenir information processing system and method based on AR, the tourist souvenir information processing system based on AR includes user management module for subscriber information management, including registers, modifies；AR Tour function module is identified for AR, customized AR commemorates paster and is sent, is saved and share AR picture, focus marked strong point, checks the AR paster at corresponding scenery sight spot；Paster unit has generation and issues the default or customized AR souvenir paster function of binding outdoor scene in kind；Map function module shows the marked strong point in 2 kilometers of surrounding, and generate to automatically generate when AR paster binds scenery sight spot using AR tourism module for user and mark strong point-" recalling point " for positioning；Recall module to be used for by sharing between picture (AR screenshot) realizes user in a manner of short essay and interact.The present invention is based on AR technologies, incorporate " commemorating paster ", commemorate tourist, memory mode optimizes upgrading.
Description
Technical field
The invention belongs to AR tourism technical field more particularly to a kind of tourist souvenir information processing systems and side based on AR
Method.
Background technique
Currently, the prior art commonly used in the trade is such that
Currently, world economic situation brings certain challenge to China tourist market, especially inbound tourism, but I
The good basic side of state's tourism development does not change, and advantage and opportunity are still very much, and China's tourist industry is still in gold
Period of expansion.It is predicted according to world tourism association, arrive the year two thousand twenty, global tourism industry income will increase to 16 trillion dollars, be equivalent to complete
The 10% of ball GDP；300,000,000 work positions are capable of providing, the 9.20% of whole world employment total amount is accounted for.
But share link there are still clearly disadvantageous in sight spot visit, journey thoughts, the big pain spot of one is most of
Passenger commemorates journey, the mode of souvenir remains in previous idea, and interacts less between passenger, and souvenir mode is confined to pass
The camera shooting of taking pictures of system, hand letter, only get up to take back, cannot achieve and memory is deposited at sight spot storage is recalled, such as
The traditional cuisines or craftwork for buying some localities are as souvenir, souvenir of more generally taking pictures, and total inclined after passenger's journey
What is taken back in wanting to leave a thing, such as is covered with the tree of coin, stays the wall of full message, or even is had to destroy
The behavior of carving characters of historical relic.
In conclusion problem of the existing technology is:
(1) mode commemorate journey, regarded as memory keeps previous idea, and manifestation mode is single, environmental cost is big；
(2) interacted between passenger less, souvenir mode is confined to traditional camera shooting of taking pictures, hand letter, imprinting, in information process- side
By itself equipment limit, degree of networking is low in face, cannot achieve dynamic networking processing, real-time update information.
(3) it cannot achieve a souvenir information leave-on at sight spot and upload network, lack ornamental value, tourist information and souvenir
Information is difficult to networking and saves and manage.
Solve the difficulty of above-mentioned technical problem:
(1) increase or upgrading existing hardware device upgrade information processing system are not fitted through, because which must increase
Addition sheet reduces portability, is unable to satisfy the routine use demand of mass tourism user；
(2) tradition such as camera shooting, hand letter commemorates that information recording carrier capacity is limited, and backup is single, is easy to lose, damage, makes
It is lacked at information data source；
(3) tradition such as camera shooting, hand letter commemorates that information mode networking degree is low, and information processing rate is low, cannot achieve in real time
Dynamic is handled, and still can shift to an earlier date its information processing performance without effective scheme at present.
Solve the meaning of above-mentioned technical problem:
(1) improve existing souvenir information processing system, greatly promote tourist souvenir information processing rate, realize dynamic more
Newly, networking is saved and is managed；
(2) Environmental costs can be lowered and improve passenger's mutual-action behavior, improve passenger's user experience.
Summary of the invention
In view of the problems of the existing technology, the tourist souvenir information processing system that the present invention provides a kind of based on AR and
Method.
The invention is realized in this way a kind of tourist souvenir information processing system based on AR, the tourism based on AR
Commemorate that information processing system includes:
User management module: including information management unit, story administrative unit, sight spot collection unit and personal letter unit；
For subscriber information management, including registers, modifies, story management and collection management；
AR Tour function module: including object identification and tracking cell, AR screenshot unit, paster unit；Identified for AR,
Customized AR commemorates paster and sends, saves and share AR picture, focus marked strong point, checks the AR at corresponding scenery sight spot
Paster；Paster unit has generation and issues the default or customized AR souvenir paster function of binding outdoor scene in kind；
Map function module: it is generated including user's positioning unit, label and checks unit；For being realized using LBS technology
It positions, shows the marked strong point in 2 kilometers of surrounding, and generate AR paster binding scenery scape using AR tourism module for user
Label strong point-" recalling point " is automatically generated when point；
Recall module: watching unit including thoughts recommendation unit, thoughts release unit, thoughts；For with picture and short essay
Mode realize sharing between user with interact.
Further, the user management module specifically includes:
Information management unit: being used for managing user information, including user logs in, registers and exit, and can check, modify user
The user informations such as name, password, phone number, mailbox；
Story administrative unit: for managing the story article information of user's publication, it can modify and delete user itself publication
The comment management of story article and other users for this article；
It collects unit in sight spot: being collected for managing user sight spot, including increase collection, delete collection and share collection,
Setting collection is open or underground checks permission；
Personal letter unit: for the information interchange between user, personal letter content is including but not limited to picture and text, video, voice.
Further, the AR Tour function module specifically includes:
Object identification and tracking cell: realize that recognition and tracking realizes the mobile scaling of object, model；Open AR tourism function
Can, it waits auto-focusing complete, that is, can recognize that marked scenery or the current scenery of trace labelling can be real by cloud identification technology
Existing virtual data is separated with application platform；
Paster unit: commemorate that paster is divided into default and customized AR and scribbles, the side of outdoor scene in kind is bound using souvenir paster
Formula constructs cloud strong point library in conjunction with cloud identification technology, and AR commemorates that paster data can be stored in server end for a long time；
AR screenshot unit: it for the preservation of AR recognition effect, serves journey and recalls sharing platform, for network sharing and pass
It is defeated.
Further, the memory module specifically includes:
Thoughts recommendation unit: having the function of Tag key class system and consumer taste setting, can be according to different individual characteies
User push that user is interested or the higher journey thoughts of current social attention rate；
Thoughts release unit: user can click homepage publication button, and into the publication contribution page, narration is shared to one's name
Journey story and thoughts；
Thoughts watch unit: for showing the journey story or thoughts of the spontaneous publication of passenger, into journey story details page
Face browses publisher's journey story details and can thumb up, leaves a message, share.
Further, the map function module specifically includes:
User's positioning unit: being basic technology with LBS, developed based on Baidu map SDK, and user's positioning and map are provided；
Label generates and checks unit: the mark point automatically generated when generating using AR tourism module and commemorate textures, instruction
Whether there is the technical ability paster of passenger's addition in label place, cooperate and deposit around map LBS location technology and geography fence retrieval
Recalling point, the memory point in 2 kilometers of display.
Another object of the present invention is to provide a kind of bases of the tourist souvenir information processing system described in operation based on AR
In the tourist souvenir information processing method of AR, the tourist souvenir information processing method based on AR includes:
Step 1, user input registration telephone number by front end system, and system sends to background data base automatically and requests,
Check the service condition of registration telephone number.If telephone number is not registered, system will reply request by end system forward, will
The login state of the telephone number is set to registrable, is otherwise set to login state not registrable；If login state, which is set to, to be infused
Volume, user select the information such as native place, gender, occupation to be registered by front-end table single input title, age, login password；
If succeeding in registration, unique ID is generated for user, for background system verifying user and follow-up processing operation；User
After logging in by front end system, system repertoire can be modified and used to personal essential information；
Step 2, user is by front end system opening AR Tour function module, the scene or things that focus value must be regarded as memory, etc.
It is completed to system auto-focusing, clicking addition predetermined pattern or customized scribble AR paster, system will send to background system and ask
It asks, pattern is associated with by operation AR program with reality scene automatically, and is synchronized on internet and is carried out commemorating information preservation and dynamic
Processing；By focusing marked strong point, the AR paster at corresponding scenery sight spot can be checked；Click the camera at top navigation bar
Icon carries out screenshot souvenir or sharing；
Step 3, user open map function module by front end system, after user allows position access right, front end
System will be initiated to request to the maps development platform such as Baidu, return to customer position information, front end system handles location information in real time
And synchronous front-end map view, it realizes and is positioned automatically for user, user can also click lower-left navigation button and position；Map
Functional module is using geography fence technology, after the location information that marked strong point is obtained to background system, self defining programm fortune
Row, is checked with the position in around 2 kilometers, and end system returns to processing data forward, in 2 kilometers around user's displaying
Marked strong point；
Step 4, system are analyzed according to data, are the higher user's journey story of different user personalized push attention rate
Share；User can cooperate AR Tour function by the story short essay sharing platform in system, and the journey for watching other people is recalled,
Journey dynamic can be issued；Pushed sharing can be clicked by system, into publisher's brief introduction, check publisher and publication event
Thing brief introduction；Story short essay details can be entered by system, browse publisher's journey story details and thumb up, leave a message.
Another object of the present invention is to provide described in a kind of realize based on the tourist souvenir information processing method of AR
Calculation machine program.
Another object of the present invention is to provide a kind of letters of the tourist souvenir information processing method described in realize based on AR
Cease data processing terminal.
Another object of the present invention is to provide a kind of computer readable storage mediums, including instruction, when it is in computer
When upper operation, so that computer executes the tourist souvenir information processing method based on AR.
In conclusion advantages of the present invention and good effect are as follows:
The present invention is based on AR technologies, incorporate " commemorating paster ", commemorate tourist, memory mode optimizes upgrading, realization
Recognizable tracking scenery generates AR and commemorates paster, commemorates that paster because its is virtual and AR augmented reality, can be retained for a long time
In scape, do not terminate with journey and pass, and user can be recalled sharing platform by journey and cooperate AR tourism module, i.e., it is considerable
It sees the souvenir paster that other people journey leave, enhances the interaction between passenger in terms of souvenir, reach to share with other users and " return
Recall " effect, bring user it is completely new, with more the advanced souvenir mode to journey.The present invention changes ORB-SLAM
Far surpass the robustness of other schemes into having device: even for poor scene, poor calibration internal reference, ORB-SLAM is
It can successfully work, provide better characteristic point for AR module, while providing label coordinate for mapping module.LBS's is main
Advantage is, first, put into without hardware: so powerful management function is all based on most basic mobile technology and realizes, business
As long as personnel slightly train the mobile phone wap reported data using oneself.The second, it can not destroy: with other positioning sides
Formula is compared, and the location technology that the present invention uses does not depend on individual hardware device, and personnel's mobile phone power-on obtains its position, nothing
Method is destroyed, therefore relatively reliable stabilization.Commemorate that the comparison of information processing method function is as shown in table 1 with existing traditional travel:
The function of tourist souvenir information processing method and conventional method of the table 1 based on AR compares
Due to the existing virtual ingredient of tourist souvenir information processing system based on AR, while also there is the true of real world
Environment, so that its environment with high feeling of immersion.Augmented reality system will become a kind of novel medium, wherein tracking
Registration technology is the most key one of the technology of augmented reality system, and registration is actually the virtual object for generating computer
The process of scene " alignment " in body and true environment.Registration must first determine the relationship between dummy object and observer, then
Dummy object projects to outside the visual field of observer to one is note is realized by affine transformation by correct geometric projection
Volume.Tourist souvenir information processing system based on AR is based on Tracing Registration technology, tourist souvenir information and true environment
In scene carry out " alignment ", to realize tourist souvenir information and geographical location Tracing Registration, solve traditional souvenir information
The problem of not supporting information and reality geography binding positions in processing system, wherein registration technology includes but is not limited to lower section
Formula:
(1) by being registered to camera Calibration
Camera Calibration is exactly the inner parameter for obtaining camera, then calculates camera according to these parameters and the image of acquisition
Position and direction.This is actually one from three-dimensional scenic to the conversion process of two-dimensional imaging plane.The camera being typically concerned about
Parameter includes the focal length of camera lens and height, width, the depth-width ratio of sensor pixels etc..
(2) it is registered by affine transformation
It is set by affine transformation registration actually computer graphics and computer vision technique in augmented reality system
A utilization in meter.Konenderink et al. it is proposed that, give any at least four non-coplanar points in three-dimensional space, it is empty
Between in any one point projective transformation can be indicated with the linear combination of the transformation results of this four points.Pass through introducing
Dummy object and real world are placed in the same unified coordinate system in the following, to very square by the definition of global affine coordinate system
Just registration is realized.Moreover, which also achieves the estimation of depth.External Kiriakos et al. is also discussed
Similar system is crossed, and specific augmented reality system is had devised by this method.Realize that registration is by affine transformation
One of augmented reality registration technology breakthrough, it is some cumbersome and be easy to appear larger that it has got around traditional tracking, calibration etc.
The register method of error is realized and is registered by the analysis of computer vision.
The present invention supports the novel interaction techniques such as voice, gesture interaction in commemorating information exchange simultaneously, in this kind of interaction
In technology, computer and mobile device etc. capture voice, gesture, movement of user etc. as input, compared with conventional information interaction
Mode is more intuitive, natural.They can allow user to realize in real world and virtual information in a manner of more accurate
Interaction, is the man-machine interaction mode of more natural virtual reality fusion, is more suitably applied in augmented reality system.How effectively
The performance information on AR display, it is highly difficult for interacting with virtual information, and there are two trend for the research of AR interactive means:
First, using different equipment, take each strength；Second, by practicable interface, make virtual objects and nature at
For an entirety for AR show in display information, to solve following problems:
(1) visualization of erroneous estimation.AR system positioning mistake is difficult to avoid, and there are two the methods of solution: first is that according to
The tracking of prediction and measuring error visually show one piece of region in screen, with rendered object second is that true when drawing
When the virtual objects that real object blocks, along the edge of occlusion area, gradually fade out hiding virtual objects, keeps positioning wrong
Accidentally reduce；
(2) packing density.If enhancing real world with a large amount of virtual information, then display will become chaotic and not
Shown information content is reduced to minimum using spatial interaction model is based on by readability, only retains important letter in the view
Breath；
(3) Realistic Rendering.In AR application, the key of improvement virtual objects rendering quality is being capable of automatic Acquisition Environment
Illumination and reflective information.There are three methods at present: estimating illumination parameter, image-based rending and dynamic using model
The illumination of range obtains；
(4) it adjusts real (MediatedReality).It is allowed in split sence to delete real object system
Independent object Lepetit discusses an automanual method, distinguishes object and their positions in the scene by profile,
In some cases, without carrying out 3D reconstruct to environment, being just inserted into virtual objects and deleting real object.
In recent years, contribution volume sustainable growth of China's tourist industry to GDP.2017, synthesis tribute of China's tourist industry to GDP
It offers as 9.13 trillion yuans, accounts for the 11.04% of GDP total amount, compared with 2014, tourist industry increases the comprehensive contribution of GDP
2.52 trillion yuans, the specific gravity for accounting for GDP total amount are also promoted, and tourist industry enhances the pulling function of economic growth, are such as schemed
Shown in comprehensive contribution comparison diagram of the 132014-2017 Tourism Industry in China to GDP.Spring Festival holiday in 2019, national travel reception are total
It 4.15 hundred million person-times of number, realizes 513,900,000,000 yuan of the tourist earnings, increases by 8.2% on a year-on-year basis.Culture and public affairs in travel service department's on January 12nd, 19
Cloth, 55.39 hundred million person-times of domestic travel number in 2018, overseas trip number approaches 1.5 hundred million person-times.It is visible with people by data
Improvement of living standard, tourism consumption growth is huge, and market is grand.
With the increase in tourism industry market and the widespread development of Internet technology, Internet of Things, big data, cloud computing etc.
The rise of technology greatly advances the development of smart travel, and smart travel enters practical application level from concept,
Smart travel is the change that tourist industry brings numeralization, accelerates to change from traditional service industries to modern service industry.But it records in tourism
It reads aspect and does not occur the modernization transformation of souvenir mode yet, be still with camera shooting, letter and information burning that traditional travel is commemorated
Main, by itself equipment limit, degree of networking is low, cannot achieve dynamic networking processing, real-time update information and voice, hand
The interaction such as gesture.Travel information processing system based on AR can improve existing souvenir information processing system, realize that information interface can
Depending on change and gesture interaction, tourist souvenir information processing rate is greatly promoted, realizes that dynamic updates, networking preservation and management can
Lower Environmental costs, and passenger's mutual-action behavior can be improved, improves passenger's user experience, filled up domestic and international souvenir information processing city
Field needs the blank of modernization reform.
Detailed description of the invention
Fig. 1 is the tourist souvenir information processing system structural schematic diagram provided in an embodiment of the present invention based on AR.
In figure: 1, user management module；2, AR Tour function module；3, map function module；4, recall module；5, information
Administrative unit；6, story administrative unit；7, unit is collected at sight spot；8, personal letter unit；9, object identification and tracking cell；10,AR
Screenshot unit；11, paster unit；12, user's positioning unit；13, label generates and checks unit；14, thoughts recommendation unit；
15, thoughts release unit；16, thoughts watch unit.
Fig. 2 is the tourist souvenir information processing system functional schematic provided in an embodiment of the present invention based on AR.
Fig. 3 is ORB feature overhaul flow chart provided in an embodiment of the present invention.
Fig. 4 is SLAM algorithm flow chart provided in an embodiment of the present invention.
Fig. 5 is SLAM technical application figure provided in an embodiment of the present invention.
Fig. 6 is shake optimization algorithm figure provided in an embodiment of the present invention.
Fig. 7 is both hands scaling algorithm flow chart provided in an embodiment of the present invention.
Fig. 8 is model Drag algorithm flow chart provided in an embodiment of the present invention.
Fig. 9 is LBS positioning flow figure provided in an embodiment of the present invention.
Figure 10 is geography fence algorithm flow chart provided in an embodiment of the present invention.
Figure 11 is the tourist souvenir message processing flow figure provided in an embodiment of the present invention based on AR.
Figure 12 is test environment network topological diagram provided in an embodiment of the present invention.
Figure 13 is comprehensive contribution comparison diagram of the 2014-2017 Tourism Industry in China provided in an embodiment of the present invention to GDP.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Application principle of the present invention is described further with reference to the accompanying drawing.
As Figure 1-Figure 2, the tourist souvenir information processing system provided in an embodiment of the present invention based on AR includes:
User management module 1, map function module 3, recalls module 4 at AR Tour function module 2；
User management module 1: including information management unit 5, story administrative unit 6, sight spot collection unit 7 and personal letter list
Member 8；For subscriber information management, including registers, modifies；
AR Tour function module 2: including object identification and tracking cell 9, AR screenshot unit 10, paster unit 11；For
AR identification, customized AR commemorate paster and send, save and share AR picture, focus marked strong point, check corresponding scenery scape
The AR paster of point；Paster unit has generation and issues the default or customized AR souvenir paster function of binding outdoor scene in kind；
Map function module 3: it is generated including user's positioning unit 12, label and checks unit 13；For utilizing LBS technology
It realizes and positions, show the marked strong point in 2 kilometers of surrounding, and generate AR paster binding scape using AR tourism module for user
Label strong point-" recalling point " is automatically generated when object view point；
Recall module 4: watching unit 16 including thoughts recommendation unit 14, thoughts release unit 15, thoughts；For with picture
(AR screenshot) realize user with short essay mode between share and interact.
Further, the AR Tour function module 2 specifically includes:
Object identification and tracking cell 9: it based on ORB algorithm and SLAM technology, is developed based on easyAR SDK, optimization
Model jitter problem and interaction realize that recognition and tracking realizes the mobile scaling of object, model；AR Tour function is opened, is waited certainly
Dynamic focusing is complete, that is, can recognize marked scenery or the current scenery of trace labelling, by cloud identification technology, it can be achieved that virtual number
It is separated according to application platform；
AR screenshot unit 10: predominantly AR recognition effect saves, and serves journey and recalls sharing platform, is used for network sharing
With transmission；
Paster unit 11: commemorate that paster is divided into default and customized AR and scribbles, such as picture paster, text paster, dynamic
Paster etc. has commemorative pattern, by the way of commemorating that paster binds outdoor scene in kind, in conjunction with cloud identification technology, constructs cloud evidence
Point library, AR commemorate that paster data can be stored in server end for a long time.
ORB algorithm provided in an embodiment of the present invention specifically includes:
ORB (Oriented FAST and Rotated BRIEF) is a kind of algorithm that rapid characteristic points are extracted and described；
ORB algorithm is divided into two parts, is feature point extraction and feature point description respectively；Feature extraction is by FAST (Features
From Accelerated Segment Test) algorithm development, feature point description is according to BRIEF (Binary
Robust IndependentElementary Features) feature describes algorithm improvement；Predominantly SLAM technology provides
More excellent Feature point recognition technology.
SLAM technology provided in an embodiment of the present invention specifically includes:
SLAM (simultaneous localization and mapping), also referred to as CML (Concurrent
Mapping and Localization), instant positioning and map structuring, or concurrently build figure and positioning；It is adopted by SLAM technology
Collect strong point and construct three-dimensional map, provide the three-dimensional geometric information of scene for AR module of travelling, AR model of travelling is enabled to allow void
Quasi- object and scene interactivity, wherein positioning (motion tracking) He Jiantu (sparse or dense map) constitutes the core of SLAM
Function；SLAM technology is traveled following 5 kinds of the main application scenarios of module in AR:
(1) it is such as built by camera view observation surrounding terrestrial reference, big tree, flower bed, and records its feature, known for image
Indescribably for most basic function feature extraction；
(2) according to internal system environmental characteristic data, (three-dimensional reconstruction) is rebuild being characteristically marked in three-dimensional map；
(3) in environmental change, new feature terrestrial reference is constantly obtained, and correct the cartographic model in oneself system
(bundle adjustment or EKF)；
(4) according to the feature terrestrial reference in system, analysis determines the position (trajectory) of oneself.
It is provided in an embodiment of the present invention to be specifically included based on easyAR SDK exploitation:
EasyAR SDK is domestic powerful AR (Augmented Reality, augmented reality) engine；In the present invention
EasyAR SDK application include:
(1) it combines SLAM technology: by SLAM technology, obtaining more accurate object feature point information, realize monocular reality
When 6DOF camera Attitude Tracking, realize single frames initialization, rapid relocation, motion blur robust, mobile terminal optimization, it is low
Texture scene optimization；
(2) object identification and tracking: by Feature Points Matching, carrying out real-time recognition and tracking to flat image, 3D object,
Object space position attribution is obtained, AR is enabled to commemorate that paster model accurately tracks real-world scene；Model shake is carried out excellent
Change, last position kept if jitter range is greater than preset value, core shakes optimization algorithm following points:
1) angle for obtaining the mobile x-axis, y-axis and z-axis of this camera lens first, judges it, if its angle changing is big
In 270, then algorithm optimization is used, all angle changings not within 1~270 is forced to be converted to -270~270；
If 2) this camera lens jitter range is greater than preset value, when model shake is more than a certain range, not correction model
Coordinate angle, record this coordinate and angle only as last coordinate；If model jitter range is too small, correction model
Coordinate is last correct coordinate.
(3) customized scribble model: supporting self-definition model, and the customized scribble function of AR is obtained by scribble panel and used
The customized commemorative pattern in family passes to AR module, binds real world object；
(4) support screen gesture interaction, model realization multiple point touching, zoom, and displacement and screenshot and video recording
Share；
1) multiple point touching scales algorithm: algorithm is with distance between distance between 2 points of the new touch point of screen and last 2 points of touch point
It compares, range difference, which is positive, indicates amplifying gesture, and gesture is reduced in the expression that is negative, core algorithm following points:
If 1, not touching, be exactly touch point be 0 or less than 0, then without operation；
If 2, multiple point touching, including zoom, record its touch point coordinate, since the 2nd point just contact screen, only remember
Record, is not processed；
3, to the touch point recorded above, old two o'clock distance and new distance between two points are calculated, if distance between two points are
Positive to indicate amplifying gesture, gesture is reduced in the expression that is negative；
4, using amplification factor yield, a pixel calculates (100 is adjustable) by 0.01 times, if the x, y zoomed in or out,
Z-axis proportionality factor is more than or equal to 0.05f, then amplifies diminution；
5, remember newest touch point, compared for next time.
2) algorithm is converted with textures screen space coordinates and world space coordinate, and calculating is dragged to rear screen space coordinates and generation
Boundary's space coordinate deviation updates textures world space coordinate, and core algorithm is as follows:
1, the world space coordinate of target object is transformed into the screen space coordinates of own, the screen for storing mouse is empty
Between the coordinate screen space coordinates of target object (Z value use)；
2, target object and offset of the mouse object in world space are calculated；
3, when left mouse button is pressed, storing the screen space coordinates of mouse, (Z value is sat using the screen space of target object
Mark)；
4, the screen space coordinates of mouse be transformed into world space coordinate (Z value using target object screen space sit
Mark), in addition offset, in this, as the world space coordinate of target object；
5, the world space coordinate of target object is updated.
(5) cloud identifying platform: cloud identification service is provided by EasyAR, the image recognition retrieval service based on cloud, including
Image object cloud search function and image object management function:
1) cloud identification localization: after the primary success of cloud identification, cloud identification figure can be cached to local identification library, even if without net
The repetition that network can also carry out fast accurate to target identifies；
2) it constructs cloud strong point library: by constructing cloud strong point library, limitation is reduced in conjunction with mobile Internet, in conjunction with big data
Realize the ordering management and building of data.
Map function module 3 provided in an embodiment of the present invention specifically includes:
User's positioning unit 12: being basic technology with LBS, developed based on Baidu map SDK, and user's positioning and ground are provided
Figure further includes tourism best route, stay recommendation, traffic route；
Label generates and checks unit 13: the mark point automatically generated when generating using AR tourism module and commemorate textures refers to
Indicating remembers that there is the technical ability paster of passenger's addition in place, cooperates whether map LBS location technology and geography fence retrieve surrounding
In the presence of point is recalled, the memory point in 2 kilometers is shown.
LBS technology provided in an embodiment of the present invention specifically includes:
LBS (Location-Based Services), also known as location-based service, LBS is by mobile communications network and satellite
Position system is combined together a kind of value-added service of offer, obtains the location information of mobile terminal (such as by one group of location technology
Latitude and longitude coordinates data), it is supplied to mobile subscriber or other people and communication system, realizes various industry relevant to position
Business.
Geography fence provided in an embodiment of the present invention specifically includes:
Geography fence (Geo-fencing) is a kind of application of LBS, i.e., crosses one virtually with a virtual fence
Boundary is managed, the label of peripheral limit can be perceived；Using the technology, retrieval and the AR at marked strong point are realized in mapping module
Recall the automatic label at strong point, user is then showed on mapping module by icon.
It is provided in an embodiment of the present invention to be specifically included based on Baidu map SDK development platform:
Baidu map Android SDK is a set of application programming interfaces based on Android4.0 and the above version equipment,
Functions, the concrete application of the present invention such as navigation and strong point label, which can be achieved, includes:
(1) map and navigation: map includes general map (2D, 3D), satellite mapping and real-time traffic figure, and supports gesture control
System realizes the operations such as click, double-click, long-pressing, scaling, rotation, the change visual angle of map；Navigation can provide Bus information inquiry,
The layout of roads functions such as walking layout of roads, layout of roads of driving；
(2) strong point is shown and automatic label: in conjunction with geography fence algorithm, being realized customer-centric, is retrieved distance center
The memory strong point of 2 kilometers of inner circular regions of radius, and can show strong point message details；It is generated in AR tourism module and commemorates textures
When, by LBS location technology, is generated automatically in map label and recall strong point；
(3) geography fence search mechanism:
Periphery retrieval: customer-centric, distance to a declared goal are 2 kilometers of radius, are retrieved；
Area reseach: it is retrieved in specified rectangular area, according to keyword；
It retrieves in city: in a certain city, being retrieved according to the keyword that user inputs；
Details retrieval: according to the information such as point ID are recalled, strong point details are retrieved.
Memory module 4 provided in an embodiment of the present invention specifically includes:
Thoughts recommendation unit 14: having the function of Tag key class system and consumer taste setting, can be according to different
Property user push that user is interested or the higher journey thoughts of current social attention rate；
Thoughts release unit 15: user can click homepage publication button, and into the publication contribution page, narration, which is shared, to be belonged to certainly
Oneself journey story and thoughts；
Thoughts watch unit 16: for showing the journey story or thoughts of the spontaneous publication of passenger, into journey story details
The page browses publisher's journey story details and can thumb up, leaves a message, share.
Tourist souvenir information processing system provided in an embodiment of the present invention based on AR further include:
(1) system time characteristic:
1) response time requirement: software open and close was responded less than 0.5 second, and Orientation on map response is less than 1s, and AR module is first
Secondary starting requires to be less than 3s；
2) it updates processing time requirement: recommending to update less than 1.5 seconds, map rejuvenation is less than 2s, and AR model modification is less than 2s；
3) conversion of data and delivery time require: module was interacted with server less than 2 seconds；
(2) system flexibility:
1) variation of running environment: it is suitble to mainstream Android platform；
2) variation of precision and effective time limit: precision variation will be reduced to minimum to the influence of APP；
1) it the variation or improvement planned: is easier to improve.
(3) system security:
User information is secrecy to other users, to guarantee the personal privacy right of user；It needs to test when user logs in
User name and password are demonstrate,proved, can just be re-entered after then being had to wait for 3 minutes for the user of Password Input mistake three times.
Tourist souvenir information processing method provided in an embodiment of the present invention based on AR includes:
S101, user input registration telephone number, check registration telephone number, will if telephone number is not registered yet
Login state is set to registrable, is otherwise set to login state not registrable；If login state is set to registrable, user's input
Title, age, login password select native place, gender, occupation to be registered；If succeeding in registration, it is generated for user unique
ID；After login, it can modify to personal essential information；
S102 opens AR Tour function, and the scene or things that focus value must be regarded as memory wait auto-focusing complete, and addition is pre-
If pattern or customized scribble AR paster, clicks the camera icon at top navigation bar and carry out screenshot souvenir or sharing；It focuses
The strong point of label can check the AR paster at corresponding scenery sight spot；
S103 opens map function, and map is user's positioning automatically, can also click lower-left navigation button and be positioned, benefit
The marked strong point in 2 kilometers of surrounding is shown with geography fence technology；
S104, system is according to the higher other users journey story of the different attention rate of different user personalized push point
It enjoys, the journey that user can cooperate AR Tour function to watch other people by story short essay sharing platform is recalled, and it is dynamic can also to issue journey
State；Pushed sharing is clicked, into publisher's brief introduction, checks publisher and publication story brief introduction；It is detailed into story short essay
Feelings browse publisher's journey story details and thumb up, leave a message.
Application principle of the present invention is described further combined with specific embodiments below.
Specific embodiment:
1, system testing
(1) test-types and test method
(2) environment is tested
1) test environment and configuration
2) network topology, as shown in figure 12.
(3) tester
| Post | Name | Phone | |
| Developmental Engineer | Open * * | 24**@qq.com | 178** |
| Tester 1 | Not * * | 73**@qq.com | 159** |
| Tester 2 | Wu * * | 78**@qq.com | 136** |
(4) test problem
During app starts to test and come into operation, more or less affect user experience is always existed
Problem exists, and still has fraction problem not solve thoroughly so far.
2, test is summarized
(1) test case implementing result
(2) compatibility test
(3) peace loading, unloading test 1) installation
2) it unloads
(4) UI test 1) navigation test
| Test content | Test result |
| It needs to navigate between the different connection pages | It is |
| Whether it is easy to navigate, whether intuitive navigates | It is |
| Whether search engine is had | It is |
| Whether navigation helps accurate and visual | It is |
| Navigate with page structure, menu, connect the page style it is whether consistent | It is |
2) graphics test
3) content test
(5) functional test 1) operation
| Test content | Test result |
| App be installed after trial operation, can normally open software | It is |
| App opens test, if has stress state progress prompt | It is |
| Whether the test of App opening speed, speed are considerable | It is no |
| Whether the switching between the App page is smooth, and whether logic is correct | Logically true, switching is not smooth enough |
2) it registers
| Test content | Test result |
| Backstage could increase user | It is |
| Whether user name Password Length limits | It is |
| Whether the prompt page is had after registration | It is no |
| Whether foreground enrollment page and the administration page data on backstage are consistent | It is |
| After registration, the page prompts in back-stage management | It is no |
3) it logs in
4) it nullifies
5) the front and back switching applied
6) exempt to login
7) data update
8) off-line browsing
| Test content | Test result |
| It may browse through local data in no network condition | It is no |
| Exiting can normal browsing when app is then turned on app | It is no |
| Being switched to backstage, switchback foreground can be with normal browsing again | It is no |
| Solving that screen returns to after screen locking again can be with normal browsing using foreground | It is no |
| Offline corresponding prompt can be given when the data to server-side have update | It is no |
9) APP updates
10) time test
| Test content | Test result |
| System time is modified, whether the backstage release information time is changed therewith | It is |
| Mobile phone time is modified, whether the pushed information time is changed therewith | It is no |
11) performance test
A. response test
| Test content | Test result |
| Network is broken when running App, if influences the other uses of mobile phone | It is no |
| Pacify the response time of loading, unloading, if can receive | It is |
| The response time of App types of functionality operation, if can receive | No (it is somewhat slow that recommended project subscribes to functional response) |
| Installation unloading is repeated, checks whether system resource is normal | It is |
B. intercrossing event is tested
(6) safety test
1) software permission
A. it deducts fees risk
| Test content | Whether deduct fees | Remarks |
| Receive and dispatch short message | It is no | Short message is received without expense (such as short message verification code) |
| It makes a phone call | It is | Dialing the service calls provided in APP has expense (by operators) |
| Connect network | It is | Connection 2G, 3G, 4G and WIFI network have expense (by operators) |
B. privacy compromise risk
C. restricted test
| Test content | Whether limit |
| It limits/allows and receive informational function using mobile phone transmission | Allow |
| Limitation/permission application program starts application program to register automatically | Allow |
| It limits/allows and read user data using mobile phone | Allow |
| It limits/allows and write people's user data using mobile phone | Allow |
2) installation and unloading safety
3) Information Security
4) communication security
5) man-machine interface safety
6) user experience is tested
3, interpretational criteria
(1) range
Selected test case is able to carry out basic positive erroneous judgement, can check whether user name and password are legal,
To provide user right, but its permission only can carry out inspection judgement when administrator carries out information modification, this time office
Portion's test needs just be fully finished in last integrated testability
In entire test process, test case can check the various mistakes of system, basic realization system requirements
Function, and the processing speed of system is user's acceptable.But test still has its limitation, both can not completely include each
Kind situation, such as the ability to bear of user's system when largely being accessed the same time.
(2) data preparation
In order to which data preparation to be become to the appropriate form convenient for evaluation, the conversion process technology for needing to use is craft side
Formula needs to be handled the inputoutput data of record with a part of tester.
(3) scale
The type of reasonable output result are as follows: that clearly understands represents the various situations occurred in system use process,
And it is readily appreciated that there is error handle path when the error occurs；It is admitted of between test output result and anticipated output few
Perhaps deviateing, i.e., output result sometimes cannot be where correct decision problem, it is necessary to tester is further tested,
Developer is helped to carry out debugging；The maximum times for allowing to interrupt or shut down are temporarily without definite limitation.
It should be noted that embodiments of the present invention can be realized by the combination of hardware, software or software and hardware.
Hardware components can use special logic to realize；Software section can store in memory, by instruction execution system appropriate
System, such as microprocessor or special designs hardware execute.It will be understood by those skilled in the art that above-mentioned equipment
Computer executable instructions can be used and/or be included in the processor control code with method and realize, such as in such as magnetic
Disk, the mounting medium of CD or DVD-ROM, the programmable memory of such as read-only memory (firmware) or such as optics or
Such code is provided in the data medium of electrical signal carrier.Equipment and its module of the invention can be by such as super large
The semiconductor or such as field programmable gate array of scale integrated circuit or gate array, logic chip, transistor etc.,
The hardware circuit of the programmable hardware device of programmable logic device etc. is realized, can also be held with by various types of processors
Capable software realization can also be realized by the combination such as firmware of above-mentioned hardware circuit and software.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of tourist souvenir information processing system based on AR, which is characterized in that at the tourist souvenir information based on AR
Reason system includes:
User management module is used for subscriber information management, registration and modification；
AR Tour function module is identified for AR, customized AR commemorates paster and sends, saves and share AR picture, focus and marked
The AR paster at corresponding scenery sight spot is checked at the strong point of note；
Map function module is positioned for being realized using LBS technology, the marked strong point around displaying in 2 kilometers, and is user
Label strong point-memory point is automatically generated when generating AR paster binding scenery sight spot using AR tourism module；
Module is recalled, for by sharing between picture realizes user in a manner of short essay and interacting.
2. the tourist souvenir information processing system based on AR as described in claim 1, which is characterized in that
User management module includes information management unit, story administrative unit, sight spot collection unit and personal letter unit；
Recalling module includes thoughts recommendation unit, thoughts release unit, thoughts viewing unit；
The memory module specifically includes:
Thoughts recommendation unit: having the function of Tag key class system and consumer taste setting, can be according to the use of different individual characteies
Family pushes that user is interested or the higher journey thoughts of current social attention rate；
Thoughts release unit: user can click homepage publication button, and into the publication contribution page, one's own trip is shared in narration
Way story and thoughts；
Thoughts watch unit: clear into journey story details page for showing the journey story or thoughts of the spontaneous publication of passenger
Looking at publisher's journey story details and can thumb up, leaves a message, share.
3. the tourist souvenir information processing system based on AR as described in claim 1, which is characterized in that the AR Tour function
Module specifically includes:
Object identification and tracking cell: realize that recognition and tracking realizes the mobile scaling of object, model；AR Tour function is opened, etc.
It is complete to auto-focusing, that is, it can recognize marked scenery or the current scenery of trace labelling, it is by cloud identification technology, it can be achieved that virtual
Data are separated with application platform；
Paster unit: commemorate that paster is divided into default and customized AR and scribbles, by the way of commemorating that paster binds outdoor scene in kind, tie
Cloud identification technology is closed, cloud strong point library is constructed, AR commemorates that paster data can be stored in server end for a long time；
AR screenshot unit: it for the preservation of AR recognition effect, serves journey and recalls sharing platform, for network sharing and transmission.
4. the tourist souvenir information processing system based on AR as described in claim 1, which is characterized in that the map function mould
Block specifically includes:
User's positioning unit: being basic technology with LBS, developed based on Baidu map SDK, and user's positioning and map are provided；
Label generates and checks unit: the mark point automatically generated when generating using AR tourism module and commemorate textures, cue mark
There is the technical ability paster of passenger's addition in place, and cooperating whether there is back around map LBS location technology and geography fence retrieval
Recall a little, the memory point in 2 kilometers of display.
5. a kind of tourist souvenir information based on AR of the tourist souvenir information processing system based on AR described in operation claim 1
Processing method, which is characterized in that the tourist souvenir information processing method based on AR includes:
Step 1, user input registration telephone number, check registration telephone number, will note if telephone number is not registered yet
Volume state is set to registrable, is otherwise set to login state not registrable；If login state is set to registrable, user's input name
Title, age, login password select native place, gender, occupation to be registered；If succeeding in registration, unique ID is generated for user；
After login, it can modify to personal essential information；
Step 2 opens AR Tour function, and the scene or things that focus value must be regarded as memory wait auto-focusing complete, and addition is default
Pattern or customized scribble AR paster click the camera icon at top navigation bar and carry out screenshot souvenir or sharing；Focusing has been marked
The strong point of note can check the AR paster at corresponding scenery sight spot；
Step 3 opens map function, and map is user's positioning automatically, can also click lower-left navigation button and be positioned, be utilized
Geography fence technology shows the marked strong point in 2 kilometers of surrounding；
Step 4, system are shared according to the higher other users journey story of the different attention rate of different user personalized push,
The journey that user can cooperate AR Tour function to watch other people by story short essay sharing platform is recalled, and journey dynamic can also be issued；
Pushed sharing is clicked, into publisher's brief introduction, checks publisher and publication story brief introduction；It is clear into story short essay details
It lookes at and publisher's journey story details and thumbs up, leaves a message.
6. a kind of computer program for realizing the tourist souvenir information processing method described in claim 5 based on AR.
7. a kind of information data processing terminal for realizing the tourist souvenir information processing method described in claim 5 based on AR.
8. a kind of computer readable storage medium, including instruction, when run on a computer, so that computer is executed as weighed
Benefit require 5 described in the tourist souvenir information processing method based on AR.
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| CN113687876A (en) * | 2021-08-17 | 2021-11-23 | 华北电力大学（保定） | Information processing method, automatic driving control method and electronic equipment |
| CN113687876B (en) * | 2021-08-17 | 2023-05-23 | 华北电力大学（保定） | Information processing method, automatic driving control method and electronic device |
| CN116700478A (en) * | 2023-05-23 | 2023-09-05 | 星徒(上海)科技发展有限公司 | Text content enhancement interaction system based on augmented reality |
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