CN103900556A - Positioning method and system based on position of smart phone camera - Google Patents
Positioning method and system based on position of smart phone camera Download PDFInfo
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- CN103900556A CN103900556A CN201210587819.3A CN201210587819A CN103900556A CN 103900556 A CN103900556 A CN 103900556A CN 201210587819 A CN201210587819 A CN 201210587819A CN 103900556 A CN103900556 A CN 103900556A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
Abstract
The invention provides a positioning method and a positioning system based on a position of a smart phone camera. The system comprises a position label module used for generating a position label, and a positioning module used for positioning by filming the position label. The positioning method and the system avoid the problems that GPS (Global Positioning System) signals cannot be received in indoor weak signal areas, wireless signal quality cannot keep data connection, GPS positioning has deviation, and the like, and achieve indoor precise positioning effect. In addition, by filming the position label through the mobile phone camera, and querying a position mapping database to obtain parameters at the position label, a position label point can be identified on a map to complete positioning.
Description
Technical field
The present invention relates to the location technology of subterranean railway and architecture indoor, particularly a kind of method and system based on smart mobile phone camera position location.
Background technology
Along with geographic information system technology, present mobile communication technology and mobile terminal positioning technology ground fast development, the raising that people require life convenience, one is called as the technology of position-based service (LBS) or positioning service and arises at the historic moment.
Current location technology is roughly divided into two classes: a class is Global Positioning System (GPS) (GPS, Global Positioning System), and GPS is by accurately locating with the contrast of multi-satellite reception data.GPS can provide vehicle location, antitheft, anti-misfortune, vehicle line monitoring and call out the functions such as commander, realize above all functions and must possess GPS terminal, transmission network and three key elements of monitor supervision platform.GPS need to accurately locate in the outdoor unobstructed place that can search out satellite, cannot use GPS service in indoor and subway region.Another kind of is triangle architecture, and triangle architecture is connected by setting up data with multiple base stations, and the time delay that uses each base station data transmission is calculated residing position.Triangle architecture needs and base station is set up data link and accurately located, and in weak signal region or no signal region, for example part is indoor cannot use triangle architecture with subway region.
Along with social development, location, position and the navigation feature of mobile phone are also more and more widely used, can be by locating current position and destination being set, and concrete route navigates out.But connect because common location need to be used gps system or wireless data, therefore all there are certain requirements for residing position and wireless signal strength, otherwise cannot accurately locate.In position location and navigation, due to the impact that changed by external environment, especially moving into after the indoor or subway system of part, the reception of gps system can be interrupted, and sometimes even can exist cannot set up the situation that valid data connect a little less than signal and occur.At this moment cannot meet the requirement of wireless locating function due to channel transmission quality, will confirm current position, the function of destination navigation also cannot continue.
Summary of the invention
The object of the present invention is to provide a kind of method and system based on smart mobile phone camera position location to solve in prior art owing to cannot receive gps signal or radio signal quality in indoor weak signal region and cannot keep data to connect time, cannot carry out pinpoint problem.
For solving the problems of the technologies described above, the invention provides:
A kind of based on smart mobile phone camera position positioning system, comprising:
Location tags module, for generating location tags;
Locating module, for carrying out location, position by taking described location tags.
Optionally, described based on smart mobile phone camera position positioning system in, described location tags module comprises:
Location expression module, for generating the location expression corresponding to a position;
Position mapping block, is used to form the design parameter value corresponding to each described location expression, and design parameter value is shone upon and formed mapping (enum) data, and all mapping (enum) data set are generated to position mapping database;
Location tags generation module, for generating a corresponding location tags according to described location expression.
Optionally, described based on smart mobile phone camera position positioning system in, described location tags generation module uses Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to described location expression.
Optionally, described based on smart mobile phone camera position positioning system in, described location expression module generates in the location expression corresponding to a position,
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number;
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number.
Optionally, described based on smart mobile phone camera position positioning system in, described locating module comprises:
Taking module, for camera site label;
Decoder module, for being reduced into corresponding location expression by described location tags;
Position map query module, for forming the design parameter value corresponding to each described location expression according to described location expression, obtains the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Identification module for the mapping (enum) data corresponding to described location tags is transferred to map software, identifies the location point corresponding to described location tags on map.
Optionally, described based on smart mobile phone camera position positioning system in, decoder module is reduced into corresponding location expression by Quick Response Code software by the location tags decoding of described Quick Response Code form.
Meanwhile, the present invention also provides a kind of method based on smart mobile phone camera position location, uses describedly based on smart mobile phone camera position positioning system, comprising:
Generate location tags;
Carry out location, position by taking described location tags.
Optionally, in the described method based on smart mobile phone camera position location, the step of described generation location tags comprises:
Generate the location expression corresponding to a position;
Form the design parameter value corresponding to each described location expression, design parameter value is shone upon and formed mapping (enum) data, all mapping (enum) data set are generated to position mapping database;
Generate a corresponding location tags according to described location expression.
Optionally, in the described method based on smart mobile phone camera position location, generating according to described location expression in the step of a corresponding location tags, use Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to described location expression.
Optionally, in the described method based on smart mobile phone camera position location, in the step of generation corresponding to the location expression of a position:
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number;
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number.
Optionally, in the described method based on smart mobile phone camera position location, described step of carrying out location, position by taking described location tags comprises:
Camera site label;
Described location tags is reduced into corresponding location expression;
Form the design parameter value corresponding to each described location expression according to described location expression, obtain the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Mapping (enum) data corresponding to described location tags is transferred to map software, on map, identify the location point corresponding to described location tags.
Optionally, in the described method based on smart mobile phone camera position location, described location tags being reduced in the step of corresponding location expression, by Quick Response Code software, the location tags decoding of described Quick Response Code form is reduced into corresponding location expression.
There is following beneficial effect in a kind of method and system based on smart mobile phone camera position location provided by the invention: evaded cannot receiving gps signal, radio signal quality in indoor weak signal region and cannot keep that data connect, GPS is positioned with the problems such as deviation, reached the effect in indoor accurate position.In addition, by mobile phone camera camera site label, and inquiring position mapping database obtains the parameter at described location tags place, can on map, identify described location tags point, completes location.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation based on smart mobile phone camera position positioning system of the present invention;
Fig. 2 is the schematic flow sheet of the method based on smart mobile phone camera position location of the present invention;
Fig. 3 is the platform direction board schematic diagram at No. six gateway places, station of line Golden Bridge of Shanghai Underground of the method and system based on smart mobile phone camera position location of the embodiment of the present invention 1;
Fig. 4 is the schematic diagram of the location tags of the method and system based on smart mobile phone camera position location of the embodiment of the present invention 1;
Fig. 5 is the structural representation with mobile phone camera camera site label of the method and system based on smart mobile phone camera position location of the embodiment of the present invention 1.
Embodiment
A kind of method and system based on smart mobile phone camera position location that the present invention proposed below in conjunction with the drawings and specific embodiments are described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
Please refer to Fig. 1, it is the structural representation based on smart mobile phone camera position positioning system of the present invention.As shown in Figure 1, a kind of based on smart mobile phone camera position positioning system, comprising:
Locating module 12, for carrying out location, position by taking described location tags.
Concrete, shown in location tags module 11 comprise:
Concrete, generate in the location expression corresponding to a position in described location expression module 13:
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number, guarantee the uniqueness of output encoder;
For example, No. 1258, bright moon road, Pudong New Area, Shanghai, can be described as: SH-SH-PD-MY-1258.
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
For example, No. 1,258 1st floor, bright moon road, Pudong New Area, Shanghai No. 1, A district meeting room, can be described as: SH-SH-PD-MY-1258-L1-A-01.
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number;
For example, gateway of way station of Line No.6 of Shanghai Subway Golden Bridge, can be described as: SH-M6-JQ-01.
Preferably, this description rule is the combination of a kind of general mode and self-defined mode, and Main Function is that a location point generates unique location expression, in order to facilitate Management and application expansion.
Location tags generation module 15, for generating a corresponding location tags according to described location expression.Concrete, described location tags generation module 15 uses Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to described location expression.
Concrete, described locating module 12 comprises:
Taking module 17, for camera site label;
Position map query module 19, for forming the design parameter value corresponding to each described location expression according to described location expression, obtains the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Please refer to Fig. 2, it is the schematic flow sheet of the method based on smart mobile phone camera position location of the present invention, as shown in Figure 2, and a kind of method based on smart mobile phone camera position location, use describedly based on smart mobile phone camera position positioning system, comprising:
S21: generate location tags;
S22: carry out location, position by taking described location tags.
Concrete, described step S21: generate location tags and comprise:
S23: generate the location expression corresponding to a position;
Concrete, in the step of generation corresponding to the location expression of a position:
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number, guarantee the uniqueness of output encoder;
For example, No. 1258, bright moon road, Pudong New Area, Shanghai, can be described as: SH-SH-PD-MY-1258.
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
For example, No. 1,258 1st floor, bright moon road, Pudong New Area, Shanghai No. 1, A district meeting room, can be described as: SH-SH-PD-MY-1258-L1-A-01.
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number;
For example, gateway of way station of Line No.6 of Shanghai Subway Golden Bridge, can be described as: SH-M6-JQ-01.
Preferably, this description rule is the combination of a kind of general mode and self-defined mode, and Main Function is that a location point generates unique location expression, in order to facilitate Management and application expansion.
S24: form the design parameter value corresponding to each described location expression, design parameter value is shone upon and formed mapping (enum) data, all mapping (enum) data set are generated to position mapping database;
Concrete, the design parameter value of the described position of going up according to the map and represent that the specific descriptions of this position shine upon, the set of these parameters forms position mapping database.
The location point that the positioning error of GPS can cause location to obtain is bound to depart from actual location point, adopt reverse method first on the map of maximal accuracy, to identify location point, then obtain the design parameter value of this point, so just can evade the error that GPS measures, consider the differently error between figure version, can also add and revise skew, then by these parameters and represent that the location expression of this point shines upon.
S25: generate a corresponding location tags according to described location expression;
Preferably, generating according to described location expression in the step of a corresponding location tags, use the most general present QR code Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to the instruction of described location expression and routine call, printing by the Quick Response Code after coding is exactly a location tags, location tags is attached to the deployment that has just completed location tags on corresponding position.Quick Response Code is the image coding technique of applicable handset identity of present stage, has the features such as capacity is large, discrimination is high, fault-tolerant good, convenient printing.
Especially, described location tags is not limited only to Quick Response Code form, and outward appearance that can be also buildings etc. can represent the various ways of position.
Concrete, described step S22: carry out location, position and comprise by taking described location tags:
S27: camera site label;
Concrete, with mobile phone camera camera site label.
S28: described location tags is reduced into corresponding location expression;
Concrete, by Quick Response Code software, the location tags decoding of described Quick Response Code form is reduced into corresponding location expression, take after described location tags at mobile phone camera, Quick Response Code software is identified, and successfully after identification, the location tags of described Quick Response Code form is reduced into corresponding location expression by decoding.
S29: form the design parameter value corresponding to each described location expression according to described location expression, obtain the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Concrete, inquiring position mapping database, obtains the design parameter value at described location tags place, as described in the information such as longitude, latitude at location tags place.
S30: the mapping (enum) data corresponding to described location tags is transferred to map software, identify the location point corresponding to described location tags on map.
[embodiment 1]
No. six gateway places, station of line Golden Bridge of location Shanghai Underground.
As shown in Figure 3, the platform direction board schematic diagram at No. six gateway places, station of line Golden Bridge of Shanghai Underground.
S31: location expression is carried out in this position, and No. six gateway places, station of line Golden Bridge of Shanghai Underground can be described as: SH-M6-JQ-01.
S32: by using Google Maps and actual measurement can obtain design parameter value: north latitude 31.256835, east longitude 121.58201323, height above sea level-5 meter, be exposed to the north.Design parameter value is shone upon and formed mapping (enum) data, all mapping (enum) data set are generated to position mapping database.
S33: use QR Quick Response Code maker that SH-M6-JQ-01 is encoded, and the code of calling station mapping (enum) data library inquiry, the label of generation is as shown in Figure 4.
S34: location tags shown in Fig. 4 is printed, is attached on the platform direction board at No. six gateway places, station of line Golden Bridge of Shanghai Underground, note towards.
S35: mobile phone is installed positioning software, download location mapping database, described position mapping database only comprises mapping relations.
S36: as shown in Figure 5, use mobile phone camera camera site label, and use Quick Response Code software decode reduction location expression, preferred, use the Quick Response Code scanning tools that attaches antivirus software, prevent that code from being attacked.
S37: inquiring position mapping database, obtain the mapping (enum) data at described location tags place, pass to all kinds of map software by api interface.
S38: show the planimetric map of platform on mobile phone, the position that identifies direction board on figure completes location.By the combination of said structure, by mobile phone camera camera site label, and inquiring position mapping database obtains the parameter at described location tags place, can on map, identify described location tags point, completes location.Evade cannot receiving gps signal, radio signal quality in indoor weak signal region and cannot keep that data connect, GPS is positioned with the problems such as deviation, reached the effect in indoor accurate position.
Foregoing description is only the description to preferred embodiment of the present invention, the not any restriction to the scope of the invention, and any change, modification that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, all belong to the protection domain of claims.
Claims (12)
1. based on a smart mobile phone camera position positioning system, it is characterized in that, comprising:
Location tags module, for generating location tags;
Locating module, for carrying out location, position by taking described location tags.
2. according to claim 1ly it is characterized in that based on smart mobile phone camera position positioning system, described location tags module comprises:
Location expression module, for generating the location expression corresponding to a position;
Position mapping block, is used to form the design parameter value corresponding to each described location expression, and design parameter value is shone upon and formed mapping (enum) data, and all mapping (enum) data set are generated to position mapping database;
Location tags generation module, for generating a corresponding location tags according to described location expression.
3. according to claim 2ly it is characterized in that based on smart mobile phone camera position positioning system, described location tags generation module uses Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to described location expression.
4. according to claim 2ly it is characterized in that based on smart mobile phone camera position positioning system, described location expression module generates in the location expression corresponding to a position,
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number;
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number.
According to described in claim 1 to 4 based on smart mobile phone camera position positioning system, it is characterized in that,
Described locating module comprises:
Taking module, for camera site label;
Decoder module, for being reduced into corresponding location expression by described location tags;
Position map query module, for forming the design parameter value corresponding to each described location expression according to described location expression, obtains the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Identification module for the mapping (enum) data corresponding to described location tags is transferred to map software, identifies the location point corresponding to described location tags on map.
6. according to claim 5ly it is characterized in that based on smart mobile phone camera position positioning system, decoder module is reduced into corresponding location expression by Quick Response Code software by the location tags decoding of described Quick Response Code form.
7. the method based on smart mobile phone camera position location, is used as claimed in claim 1ly to it is characterized in that based on smart mobile phone camera position positioning system, comprising:
Generate location tags;
Carry out location, position by taking described location tags.
8. the method based on smart mobile phone camera position location according to claim 7, is characterized in that, the step of described generation location tags comprises:
Generate the location expression corresponding to a position;
Form the design parameter value corresponding to each described location expression, design parameter value is shone upon and formed mapping (enum) data, all mapping (enum) data set are generated to position mapping database;
Generate a corresponding location tags according to described location expression.
9. the method based on smart mobile phone camera position location according to claim 8, it is characterized in that, generating according to described location expression in the step of a corresponding location tags, use Quick Response Code maker to generate the location tags of corresponding Quick Response Code form according to described location expression.
10. the method based on smart mobile phone camera position location according to claim 8, is characterized in that, in the step of generation corresponding to the location expression of a position:
In the time that position is fixed location, adopt postal address structure, be arranged in order from big to small by region, adopt Pinyin abbreviation to add numeral number;
In the time that position is indoor place, indoor place is a point in fixed location, is divided into after minimum zone by numeral number by demand;
In the time that position is subway place, adopt Pinyin abbreviation to add the describing mode of numeral number.
11. according to the method based on smart mobile phone camera position location described in claim 7-10, it is characterized in that, described step of carrying out location, position by taking described location tags comprises:
Camera site label;
Described location tags is reduced into corresponding location expression;
Form the design parameter value corresponding to each described location expression according to described location expression, obtain the mapping (enum) data corresponding to described location tags according to described design parameter value inquiring position mapping database;
Mapping (enum) data corresponding to described location tags is transferred to map software, on map, identify the location point corresponding to described location tags.
12. methods based on smart mobile phone camera position location according to claim 11, it is characterized in that, described location tags being reduced in the step of corresponding location expression, by Quick Response Code software, the location tags decoding of described Quick Response Code form is reduced into corresponding location expression.
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