CN107677282A - A kind of high-precision circuit digital map device and method - Google Patents
A kind of high-precision circuit digital map device and method Download PDFInfo
- Publication number
- CN107677282A CN107677282A CN201711041260.3A CN201711041260A CN107677282A CN 107677282 A CN107677282 A CN 107677282A CN 201711041260 A CN201711041260 A CN 201711041260A CN 107677282 A CN107677282 A CN 107677282A
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- Prior art keywords
- map
- geographic position
- actual geographic
- map picture
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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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
- G01C21/30—Map- or contour-matching
- G01C21/32—Structuring or formatting of map data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/63—Scene text, e.g. street names
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Navigation (AREA)
- Processing Or Creating Images (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a kind of high-precision circuit digital map device and method, including:Acquisition module, the acquisition module include image collection module and text acquisition module, and the text acquisition module inputs the relevant information for obtaining each point in map by word, and described image acquisition module is imported or taken pictures by picture, obtains pictorial information;Identification module, the identification module include image processing module and Text region module, locating module, for determining actual geographic position corresponding to each road sign dot image;Map generation module, for according to each road sign dot image included in the map picture identified and its corresponding actual geographic position determined, generating electronic map.The present invention can easily get the situation of map picture using terminal at sight spot, and electronic map is generated according to the map picture got, then realized and navigated using electronic map, provided the user a kind of simple and convenient navigation and positioning service being easily achieved.
Description
Technical field
The present invention relates to technical field of electronic navigation, more particularly to a kind of high-precision circuit digital map device and side
Method.
Background technology
At present, electronic map on mobile terminals browse with navigation Service extensive use, however, current navigation
Service is mostly traffic navigation, for the less region of geographic range, such as some specific sight spot, can be that sight spot tourist carries
It is also fewer for the software and services of walking navigation.Also, existing mobile navigation or Mobile Telephone Gps for this specific sight spot
Software and services be directed to public demand more, the scenic spot road sign point that the scenic spot electronic map provided is marked normally only comprising refer to
Show the road sign point of scenic area and scenic spot, lack the more food and drink of details, shop, toilet etc. letter highly useful to tourist
Breath, map when can not meet to go sight-seeing sight spot is checked or the demand for services such as walking navigation, carries out visit at sight spot to user and brings
Inconvenience.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention
One purpose is to propose a kind of high-precision circuit digital map device and method, can be easily at sight spot using terminal
The situation of map picture is got, electronic map is generated according to the map picture got, is then realized and led using electronic map
Boat, has provided the user a kind of simple and convenient navigation and positioning service being easily achieved.
A kind of high-precision circuit digital map device according to embodiments of the present invention, it is characterised in that:Including:
Acquisition module, the acquisition module include image collection module and text acquisition module, and the text acquisition module passes through
Word input obtains the relevant information of each point in map, and described image acquisition module is imported or taken pictures by picture, schemed
Piece information;
Identification module, the identification module include image processing module and Text region module, and described image processing module is used for
Each legend in the map picture that terminal is got, and each legend in the map picture identified are identified, is known
Do not go out in the map picture each road sign dot image corresponding with each legend included;, the Text region module is for identifying
Go out the relevant information that terminal gets each place in word input;
Locating module, for determining actual geographic position corresponding to each road sign dot image;
Map generation module, for according to each road sign dot image included in the map picture and its determination identified
The corresponding actual geographic position gone out, generate electronic map.
Preferably, the locating module, is specifically included:First positioning submodule, it is every in the map picture for determining
Actual geographic position corresponding to individual pixel;
Second positioning submodule, for for each road sign dot image, according to the road sign dot image in the map picture institute
The pixel being related to, and actual geographic position corresponding to involved pixel, determine actual corresponding to the road sign dot image
Geographical position.
Preferably, the identification module, it is additionally operable to identify the engineer's scale included in the map picture, directional information and works as
Front position;
The first positioning submodule, specifically for according to the engineer's scale and the directional information, determining the map picture
The n longitude or the distance of latitude that the distance of middle m pixel corresponds in actual geographic position;Determine the current location institute
Actual geographic position corresponding to coordinate in pixel.
Preferably, the first positioning submodule, specifically for the GPS location by terminal or from described in network side acquisition
Terminal is located at the actual geographic position during current location of map picture instruction;By the terminal oriented practically
Actual geographic position corresponding to the coordinate of pixel where reason position is defined as the current position image.
Preferably, in addition to correction module, for after the directional information included in identifying the map picture, according to
The drift angle of the direct north and actual direct north of the directional information instruction, is corrected to the map picture.
Preferably, the acquisition module, the map picture is obtained specifically for the camera by terminal or bluetooth.
A kind of high-precision circuit electronic map generating method according to embodiments of the present invention, it is characterised in that:Including:
Identify each legend in the map picture that terminal is got;And each legend in the map picture identified, know
Do not go out each road sign dot image corresponding with each legend included in map picture;
For each road sign dot image, the pixel involved in map picture according to the road sign dot image, and it is involved
Pixel corresponding to actual geographic position;
Determine each actual geographic position corresponding to pixel in map picture;
Each actual geographic position corresponding to pixel determines actual geographic corresponding to each road sign dot image in picture according to the map
Position;
According to each road sign dot image included in the map picture identified, and its corresponding actual geographic determined
Position, generate electronic map.
Actual address position corresponding to preferably determining each road sign dot image, is specifically included:
Determine each actual geographic position corresponding to pixel in the map picture;
For each road sign dot image, according to road sign dot image pixel involved in the map picture, Yi Jisuo
Actual geographic position corresponding to the pixel being related to, determine actual geographic position corresponding to the road sign dot image.
Preferably, in addition to:Identify the engineer's scale included in the map picture, directional information and current location;
Each actual geographic position corresponding to pixel in the map picture is determined, is specifically included:
According to the engineer's scale and the directional information, determine that the distance of m pixel in the map picture corresponds to reality
The distance of n longitude or latitude in geographical position;
Actual geographic position corresponding to the coordinate of pixel where determining the current location;
Preferably, actual geographic position corresponding to the coordinate of pixel where determining the current location, is specifically included:
Obtained by the GPS location of terminal or from network side when the terminal be located at the current location of map picture instruction
Actual geographic position;
Corresponding to the coordinate of pixel where the actual geographic position for the terminal oriented is defined as into the current location
Actual geographic position.
Preferably, after the directional information included in identifying the map picture, in addition to:According to the directional information
The drift angle of the direct north of instruction and actual direct north, is corrected to the map picture.
Compared with prior art, beneficial effects of the present invention:
Generation method, air navigation aid and the device of a kind of electronic map provided in an embodiment of the present invention, what identification terminal was got
Each legend in map picture, each legend in the map picture identified, identify included in map picture with it is each
Each road sign dot image corresponding to legend;Determine actual geographic position corresponding to each road sign dot image;Then according in map picture
In each road sign dot image for including and its corresponding actual geographic position, generate electronic map.Side provided in an embodiment of the present invention
Method and device can easily get the situation of map picture using terminal at sight spot, be generated according to the map picture got
Electronic map, then realized and navigated using electronic map, provided the user a kind of simple and convenient navigation being easily achieved and determined
Position service.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structural representation of high-precision circuit digital map device proposed by the present invention;
Fig. 2 is a kind of flow chart of the generation method of high-precision circuit electronic map proposed by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the present invention, and it is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Reference picture 1, a kind of high-precision circuit digital map device, it is characterised in that:Including:
Acquisition module, the acquisition module include image collection module and text acquisition module, and the text acquisition module passes through
Word input obtains the relevant information of each point in map, and described image acquisition module is imported or taken pictures by picture, schemed
Piece information;
Identification module, the identification module include image processing module and Text region module, and described image processing module is used for
Each legend in the map picture that terminal is got, and each legend in the map picture identified are identified, is known
Do not go out in the map picture each road sign dot image corresponding with each legend included;, the Text region module is for identifying
Go out the relevant information that terminal gets each place in word input;
Locating module, for determining actual geographic position corresponding to each road sign dot image;
Map generation module, for according to each road sign dot image included in the map picture and its determination identified
The corresponding actual geographic position gone out, generate electronic map.
Preferably, the locating module, is specifically included:First positioning submodule, it is every in the map picture for determining
Actual geographic position corresponding to individual pixel;
Second positioning submodule, for for each road sign dot image, according to the road sign dot image in the map picture institute
The pixel being related to, and actual geographic position corresponding to involved pixel, determine actual corresponding to the road sign dot image
Geographical position.
Preferably, the identification module, it is additionally operable to identify the engineer's scale included in the map picture, directional information and works as
Front position;
The first positioning submodule, specifically for according to the engineer's scale and the directional information, determining the map picture
The n longitude or the distance of latitude that the distance of middle m pixel corresponds in actual geographic position;Determine the current location institute
Actual geographic position corresponding to coordinate in pixel.
Preferably, the first positioning submodule, specifically for the GPS location by terminal or from described in network side acquisition
Terminal is located at the actual geographic position during current location of map picture instruction;By the terminal oriented practically
Actual geographic position corresponding to the coordinate of pixel where reason position is defined as the current position image.
Preferably, in addition to correction module, for after the directional information included in identifying the map picture, according to
The drift angle of the direct north and actual direct north of the directional information instruction, is corrected to the map picture.
Preferably, the acquisition module, the map picture is obtained specifically for the camera by terminal or bluetooth.
Such as Fig. 2, a kind of high-precision circuit electronic map generating method, it is characterised in that:Including:
Identify each legend in the map picture that terminal is got;And each legend in the map picture identified, know
Do not go out each road sign dot image corresponding with each legend included in map picture;
For each road sign dot image, the pixel involved in map picture according to the road sign dot image, and it is involved
Pixel corresponding to actual geographic position;
Determine each actual geographic position corresponding to pixel in map picture;
Each actual geographic position corresponding to pixel determines actual geographic corresponding to each road sign dot image in picture according to the map
Position;
According to each road sign dot image included in the map picture identified, and its corresponding actual geographic determined
Position, generate electronic map.
Preferably, actual address position corresponding to determining each road sign dot image, is specifically included:
Determine each actual geographic position corresponding to pixel in the map picture;
For each road sign dot image, according to road sign dot image pixel involved in the map picture, Yi Jisuo
Actual geographic position corresponding to the pixel being related to, determine actual geographic position corresponding to the road sign dot image.
Preferably, in addition to:Identify the engineer's scale included in the map picture, directional information and current location;
Each actual geographic position corresponding to pixel in the map picture is determined, is specifically included:
According to the engineer's scale and the directional information, determine that the distance of m pixel in the map picture corresponds to reality
The distance of n longitude or latitude in geographical position;
Actual geographic position corresponding to the coordinate of pixel where determining the current location;
Preferably, actual geographic position corresponding to the coordinate of pixel where determining the current location, is specifically included:
Obtained by the GPS location of terminal or from network side when the terminal be located at the current location of map picture instruction
Actual geographic position;
Corresponding to the coordinate of pixel where the actual geographic position for the terminal oriented is defined as into the current location
Actual geographic position.
Preferably, after the directional information included in identifying the map picture, in addition to:According to the directional information
The drift angle of the direct north of instruction and actual direct north, is corrected to the map picture.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (11)
- A kind of 1. high-precision circuit digital map device, it is characterised in that:Including:Acquisition module, the acquisition module include image collection module and text acquisition module, and the text acquisition module passes through Word input obtains the relevant information of each point in map, and described image acquisition module is imported or taken pictures by picture, schemed Piece information;Identification module, the identification module include image processing module and Text region module, and described image processing module is used for Each legend in the map picture that terminal is got, and each legend in the map picture identified are identified, is known Do not go out in the map picture each road sign dot image corresponding with each legend included;, the Text region module is for identifying Go out the relevant information that terminal gets each place in word input;Locating module, for determining actual geographic position corresponding to each road sign dot image;Map generation module, for according to each road sign dot image included in the map picture and its determination identified The corresponding actual geographic position gone out, generate electronic map.
- A kind of 2. high-precision circuit digital map device according to claim 1, it is characterised in that:The positioning mould Block, specifically include:First positioning submodule, for determining each actual geographic position corresponding to pixel in the map picture Put;Second positioning submodule, for for each road sign dot image, according to the road sign dot image in the map picture institute The pixel being related to, and actual geographic position corresponding to involved pixel, determine actual corresponding to the road sign dot image Geographical position.
- A kind of 3. high-precision circuit digital map device according to claim 2, it is characterised in that:The identification mould Block, it is additionally operable to identify the engineer's scale included in the map picture, directional information and current location;The first positioning submodule, specifically for according to the engineer's scale and the directional information, determining the map picture The n longitude or the distance of latitude that the distance of middle m pixel corresponds in actual geographic position;Determine the current location institute Actual geographic position corresponding to coordinate in pixel.
- A kind of 4. high-precision circuit digital map device according to claim 3, it is characterised in that:Described first is fixed Bit submodule, specifically for the GPS location by terminal or obtain the terminal from network side and be located at map picture instruction Current location when actual geographic position;The actual geographic position for the terminal oriented is defined as the current location Actual geographic position corresponding to the coordinate of pixel where image.
- A kind of 5. high-precision circuit digital map device according to claim 4, it is characterised in that:Also include correction Module, for the positive north after the directional information included in identifying the map picture, indicated according to the directional information To the drift angle with actual direct north, the map picture is corrected.
- A kind of 6. high-precision circuit digital map device according to claim 1, it is characterised in that:The acquisition mould Block, the map picture is obtained specifically for the camera by terminal or bluetooth.
- A kind of 7. high-precision circuit electronic map generating method, it is characterised in that:Including:Identify each legend in the map picture that terminal is got;And each legend in the map picture identified, know Do not go out each road sign dot image corresponding with each legend included in map picture;For each road sign dot image, the pixel involved in map picture according to the road sign dot image, and it is involved Pixel corresponding to actual geographic position;Determine each actual geographic position corresponding to pixel in map picture;Each actual geographic position corresponding to pixel determines actual geographic corresponding to each road sign dot image in picture according to the map Position;According to each road sign dot image included in the map picture identified, and its corresponding actual geographic determined Position, generate electronic map.
- A kind of 8. high-precision circuit digital map according to claim 7, it is characterised in that:Determine each road sign point diagram The actual address position as corresponding to, is specifically included:Determine each actual geographic position corresponding to pixel in the map picture;For each road sign dot image, according to road sign dot image pixel involved in the map picture, Yi Jisuo Actual geographic position corresponding to the pixel being related to, determine actual geographic position corresponding to the road sign dot image.
- A kind of 9. high-precision circuit electronic map generating method according to claim 8, it is characterised in that:Also include:Know Engineer's scale, directional information and the current location included in not described map picture;Each actual geographic position corresponding to pixel in the map picture is determined, is specifically included:According to the engineer's scale and the directional information, determine that the distance of m pixel in the map picture corresponds to reality The distance of n longitude or latitude in geographical position;Actual geographic position corresponding to the coordinate of pixel where determining the current location.
- A kind of 10. high-precision circuit electronic map generating method according to claim 9, it is characterised in that:It is it is determined that described Actual geographic position corresponding to the coordinate of pixel where current location, is specifically included:Obtained by the GPS location of terminal or from network side when the terminal be located at the current location of map picture instruction Actual geographic position;Corresponding to the coordinate of pixel where the actual geographic position for the terminal oriented is defined as into the current location Actual geographic position.
- A kind of 11. high-precision circuit electronic map generating method according to claim 9, it is characterised in that:In identification institute After stating the directional information included in map picture, in addition to:The direct north and reality indicated according to the directional information is just The north to drift angle, the map picture is corrected.
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CN201711041260.3A CN107677282A (en) | 2017-10-30 | 2017-10-30 | A kind of high-precision circuit digital map device and method |
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CN201711041260.3A CN107677282A (en) | 2017-10-30 | 2017-10-30 | A kind of high-precision circuit digital map device and method |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108639109A (en) * | 2018-05-07 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Subway train high-precision dot positioning system |
CN108765629A (en) * | 2018-05-07 | 2018-11-06 | 成都九壹通智能科技股份有限公司 | Railway trains monitor terminal |
CN109341714A (en) * | 2018-10-26 | 2019-02-15 | 广东小天才科技有限公司 | Air navigation aid, device, navigation equipment and storage medium based on picture recognition |
CN110059685A (en) * | 2019-04-26 | 2019-07-26 | 腾讯科技(深圳)有限公司 | Word area detection method, apparatus and storage medium |
CN110108283A (en) * | 2019-05-10 | 2019-08-09 | 成都四相致新科技有限公司 | A kind of high-precision locating method based on more two dimensional code visions |
CN110826568A (en) * | 2019-11-08 | 2020-02-21 | 青岛合启立智能科技有限公司 | Indoor positioning method and device based on road signs and electronic equipment |
CN110849348A (en) * | 2019-10-11 | 2020-02-28 | 南京极电客科技有限公司 | Indoor map basic data generation method based on visual identification |
CN114446004A (en) * | 2022-01-29 | 2022-05-06 | 贵州中烟工业有限责任公司 | Security protection system |
-
2017
- 2017-10-30 CN CN201711041260.3A patent/CN107677282A/en not_active Withdrawn
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108639109A (en) * | 2018-05-07 | 2018-10-12 | 成都九壹通智能科技股份有限公司 | Subway train high-precision dot positioning system |
CN108765629A (en) * | 2018-05-07 | 2018-11-06 | 成都九壹通智能科技股份有限公司 | Railway trains monitor terminal |
CN109341714A (en) * | 2018-10-26 | 2019-02-15 | 广东小天才科技有限公司 | Air navigation aid, device, navigation equipment and storage medium based on picture recognition |
CN110059685A (en) * | 2019-04-26 | 2019-07-26 | 腾讯科技(深圳)有限公司 | Word area detection method, apparatus and storage medium |
CN110059685B (en) * | 2019-04-26 | 2022-10-21 | 腾讯科技(深圳)有限公司 | Character area detection method, device and storage medium |
CN110108283A (en) * | 2019-05-10 | 2019-08-09 | 成都四相致新科技有限公司 | A kind of high-precision locating method based on more two dimensional code visions |
CN110108283B (en) * | 2019-05-10 | 2020-11-17 | 成都四相致新科技有限公司 | High-precision positioning method based on multi-two-dimension code vision |
CN110849348A (en) * | 2019-10-11 | 2020-02-28 | 南京极电客科技有限公司 | Indoor map basic data generation method based on visual identification |
CN110826568A (en) * | 2019-11-08 | 2020-02-21 | 青岛合启立智能科技有限公司 | Indoor positioning method and device based on road signs and electronic equipment |
CN114446004A (en) * | 2022-01-29 | 2022-05-06 | 贵州中烟工业有限责任公司 | Security protection system |
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