CN108426578A - A kind of air navigation aid, electronic equipment and readable storage medium storing program for executing based on high in the clouds - Google Patents
A kind of air navigation aid, electronic equipment and readable storage medium storing program for executing based on high in the clouds Download PDFInfo
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- CN108426578A CN108426578A CN201711474454.2A CN201711474454A CN108426578A CN 108426578 A CN108426578 A CN 108426578A CN 201711474454 A CN201711474454 A CN 201711474454A CN 108426578 A CN108426578 A CN 108426578A
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- image
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- navigation aid
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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
- G01C21/20—Instruments for performing navigational calculations
Abstract
A kind of the step of air navigation aid based on high in the clouds, this method includes：The image data in image-acquisition area is acquired, and fisrt feature information extraction is carried out to described image data；The second feature information for belonging to target location is found in the fisrt feature information；It is obtained in region if the second feature information for belonging to target location is located at described image, prompts to advance along central area direction.Herein described technical solution is based on high in the clouds by carrying out Image Acquisition to image-acquisition area, fisrt feature information is extracted from image, by judging the second feature for belonging to target location whether in fisrt feature information in the picture, guiding user according to be correctly oriented advance, route is corrected in real time, to realize that the accurate guiding to user positions.
Description
Technical field
The present invention relates to blind persons to assist guide field, be related to a kind of method of blind person's local area navigation based on high in the clouds,
System and computer readable storage medium.
Background technology
User can only be navigated to an approximate region by traditional digital map navigation, and specific location needs user separately to seek again
It looks for, and the use of most maps navigation being designed without in view of special population.
Such as blind person, general map, which is generally up to about, is merely able to provide rough positioning, can not provide higher precision, more
Accurate navigation needs, such as specific shop is navigated to, also, there are certain errors for traditional map positioning, cannot be satisfied blind
The demand of people's precision navigation.
Invention content
One of to solve above-mentioned technical problem, this application provides a kind of air navigation aid based on high in the clouds, this method is available
In on intelligent robot, unmanned and blind person's blind guiding system positioning map establishment.
According to the first aspect of the embodiment of the present application, a kind of air navigation aid is provided, which is characterized in that the step of this method
Suddenly include：
The image data in image-acquisition area is acquired, and fisrt feature information extraction is carried out to described image data；
The second feature information for belonging to target location is found in the fisrt feature information；If belonging to the of target location
Two characteristic informations are located at described image and obtain in region, then prompt is advanced along central area direction.
According to the second aspect of the embodiment of the present application, a kind of electronic equipment is additionally provided, the electronic equipment includes：It deposits
Reservoir, one or more processors；Memory is connected with processor by communication bus；Processor is configured as executing memory
In instruction；The instruction for executing each step in method as described above is stored in the storage medium.
In terms of according to the third of the embodiment of the present application, a kind of computer readable storage medium is additionally provided, is stored thereon
There is computer program, which is characterized in that the step of program realizes method as described above when being executed by processor.
Herein described technical solution extracts the first spy by carrying out Image Acquisition to image-acquisition area from image
Reference ceases, and by judging the second feature for belonging to target location whether in fisrt feature information in the picture, guiding user presses
Advance according to being correctly oriented, correct route in real time, to realize that the accurate guiding to user positions.
Description of the drawings
Fig. 1 is a kind of flow chart of the air navigation aid provided in this programme embodiment；
Fig. 2 is the schematic diagram of navigation system use state described in this programme embodiment.
Specific implementation mode
In order to make technical solution in the embodiment of the present application and advantage be more clearly understood, below in conjunction with attached drawing to the application
Exemplary embodiment be described in more detail, it is clear that described embodiment be only the application a part implement
Example, rather than the exhaustion of all embodiments.It should be noted that in the absence of conflict, the embodiment in the application and reality
The feature applied in example can be combined with each other.
The core ideas of this programme is to be based on OCR and/or logo identification technologies, and figure is carried out to the region of user's facial orientation
As identification, the characteristic informations such as word or the logo icon informations in user's facing area are extracted, and find target in the picture
The characteristic informations such as the word or logo icon informations of position；Prompt whether contain word in user images in the way of voice broadcast
And/or logo icon informations, it corrects user's advance route in real time in this way, user is accurately positioned to realize.
Embodiment 1
As shown in Figure 1, this example provides a kind of method for blind person's local area navigation, the step of this method, wraps
It includes：
The image data in image-acquisition area is acquired, and fisrt feature information extraction is carried out to described image data；
The second feature information for belonging to target location is found in the fisrt feature information；If belonging to the of target location
Two characteristic informations are located at described image and obtain in region, then prompt is advanced along central area direction；If belonging to the of target location
Two characteristic informations do not appear in image-acquisition area, then prompt, with image-acquisition area is adjusted, to find the feature of target location
Information.
In this example, the image data in the acquisition image-acquisition area, and fisrt feature letter is carried out to image data
Ceasing the step of extracting is specially：
Using image capture device, user's facing area is scanned, obtains the image data in the region；To image
Data are amplified the pretreatments such as filtering, to reduce the noise of image, are done to extract fisrt feature information subsequently from image
Prepare.Pretreated image is subjected to region division, in this, as the characterization in orientation where fisrt feature information；Region division
Can according to accuracy needed for user need be divided into multiple regions, user direction can clearly be prompted by being subject to；It is preferred that
Ground divides an image into left region, central area and right region in this example；The mode of region division can be according to decile
Mode divides target area, for example, according to the model split of trisection, using the region of preceding one third as left area
Domain, using the region of intermediate one third as intermediate region, using the region of rear one third as right region；For another example according to
The model split of five deciles, using preceding 2/5ths region as right region, using the region of centre 1/5th as middle area
Domain, 2/5ths region is as left region by after.The precision of specific region division can be adjusted according to ambient conditions,
The distance according to target location is can be designed as, the size of intermediate region is adjusted, causes intermediate region fixed to adapt to distance change
The inaccurate problem in position.It is that user prompts steering direction, and Image Acquisition is due to dividing region mainly in conjunction with characteristic information
It carrying out in real time, position during advance in characteristic information region can also change, therefore, the feature of target location
There are a little errors for part of the information in region, in order to overcome the problems, such as this, can preset a threshold value to overcome
Image can not completely be presented on the problem in central area, such as set work as characteristic information 60% or more in central area
When, then prompt the characteristic information of target location to have been positioned at central area, and user is prompted to advance；It can be with for the setting of threshold value
The conditions such as distance of the scale, target positioning features information distance user that are divided according to central area are preset or automatically
It adjusts.
This programme is to be based on OCR and/or logo identification technologies, is extracted to the fisrt feature information in image data,
The fisrt feature information of extraction is associated with the region divided before, the position of fisrt feature information in the picture is consequently formed
Confidence ceases, if the second feature information for belonging to target location is in the picture, can prompt user by way of voice broadcast
Advance along central area direction.Wherein, in this example, the characteristic information includes：Word and/or icon.
As shown in Fig. 2, in this example, Image Acquisition and feature information extraction carry out in real time, by determining in image
Whether the characteristic information containing target location, to prompt user to adjust image-acquisition area or prompt user toward before correct direction
Into.Specifically, if the second feature information for belonging to target location is located in image-acquisition area, prompt user that will belong to target
The second feature of position is adjusted to central area, and is advanced along central area direction；If belonging to the second feature letter of target location
Breath does not appear in image-acquisition area, then prompts user to adjust image-acquisition area, continually look for target location.By real-time
Image Acquisition, feature extraction, judge that target location and information are reported, direction of travel is corrected in real time, to guide use
Realize that the accurate guiding to user positions according to advance is correctly oriented in family.
In this example, the equipment such as camera or camera may be used in described image collecting device.Described image is acquired
Equipment be arranged in user glasses, the helmet or can be rotated with user's head and on the carrier that rotates so that image capture device
Image-acquisition area be always ensured that it is consistent towards region with user's face, to ensure that image capture device can collect always
The image of user's facing area.
It, can be for example, by navigation of electronic map sides such as Distribution GIS, global position system GPSs in this example
Formula directs the user to the approximate region of target location attachment, is then turned on Image Acquisition and carries out precisely guiding positioning, to reduce
The electric quantity consumption and internals of equipment are lost, and extend the service life of equipment.
Embodiment 2
A kind of electronic equipment is provided in this example, the electronic equipment includes：Memory, one or more processors；
Memory is connected with processor by communication bus；Processor is configured as executing the instruction in memory；The storage medium
In be stored with instruction for executing each step in method as described above.Technical solution described in this example is adopted using electronic equipment
Collect the image of image-acquisition area, and extract fisrt feature information from image, belongs to the second of target location by judging
Whether feature in fisrt feature information in the picture, and guiding user advances according to being correctly oriented, and corrects route in real time, to
Realize that the accurate guiding to user positions.
Embodiment 3
A kind of computer readable storage medium is provided in this example, is stored thereon with computer program, which is located
Manage the step of realizing the upper air navigation aid when device executes.These computer program instructions be storable in can guide computer or its
In his programmable data processing device computer-readable memory operate in a specific manner so that it is computer-readable to be stored in this
Instruction generation in memory includes the manufacture of command device.Technical solution described in this example is to the figure in image-acquisition area
As being acquired, and fisrt feature information is extracted from image, by judge to belong to target location second feature whether
In fisrt feature information in image, guiding user corrects route in real time according to advance is correctly oriented, to realize to user
Accurate guiding positioning.
Embodiment 4
This example provide it is a kind of be based on Text region OCR and icon-based programming technology, it is combining geographic information system GIS, complete
The modes such as ball position system GPS or navigation of electronic map, the method for providing precision navigation for special populations such as blind persons.
This programme includes mainly based on modes such as Distribution GIS, global position system GPS or navigation of electronic map
Pre-determined bit module, for obtaining image capture device of the user towards area image, being based on Text region OCR and icon-based programming
The identification module etc. of technology.Using when scheme, user can first adjust the image such as camera or camera and adopt described in this example
The direction for collecting equipment, keeps it consistent with facial orientation, i.e., the position that people sees is in image capture device imaging center position.
When beginning to use, user passes through the modes typing such as voice or touch input destination；It is rough by electronic map etc.
Navigation reaches the region near target location.It is detected automatically in the camera imaging picture scanned by image capture device
Logo or word, such as billboard etc. above logo or word, automatic information broadcast be located at the logo or text of regional center
Word, while surrounding text being prompted to identify.When user rotates body direction, camera follows rotation, finds purpose word or logo
Mark, when user hears that destination word is located at the description of center, you can camera direction is kept, towards before destination
Into.During advance, position can be constantly prompted according to the position of word or logo in picture, user's direction of advance is prompted, repaiies
Positive route achievees the purpose that regional area precision navigation.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It these are only the embodiment of the present invention, be not intended to restrict the invention, it is all in the spirit and principles in the present invention
Within, any modification, equivalent substitution, improvement and etc. done, be all contained in apply pending scope of the presently claimed invention it
It is interior.
Claims (12)
1. a kind of air navigation aid based on high in the clouds, which is characterized in that the step of this method includes
The image data in image-acquisition area is acquired, and fisrt feature information extraction is carried out to described image data；
The second feature information for belonging to target location is found in the fisrt feature information；If belong to target location second is special
Reference breath is located at described image and obtains in region, then prompt is advanced along central area direction.
2. air navigation aid according to claim 1, which is characterized in that if the second feature information for belonging to target location does not go out
In present image-acquisition area, then adjustment image-acquisition area is prompted, the characteristic information of target location is found.
3. air navigation aid according to claim 1, which is characterized in that the picture number in the acquisition image-acquisition area
According to, and the step of carrying out fisrt feature information extraction to image data includes：
Image-acquisition area is scanned, the image data in the region is obtained；
Image data is divided into left region, central area and right region；
Fisrt feature information in image data is extracted, and the fisrt feature information of extraction and its affiliated area are carried out
Association.
4. according to the air navigation aid described in claims 1 to 3 any one, which is characterized in that the characteristic information includes：Word
And/or icon.
5. according to the air navigation aid described in claim 4 any one, which is characterized in that described special to first in image data
It is based on character recognition technology OCR and/or icon-based programming technology in reference breath the step of extracting to the spy in image data
Reference breath extracts.
6. air navigation aid according to claim 1, which is characterized in that the picture number in the acquisition image-acquisition area
According to, and include before the step of carrying out fisrt feature information extraction to image data：
Based on navigation of electronic map, target location near zone is reached.
7. air navigation aid according to claim 1, which is characterized in that while prompting direction of travel, also prompt image
In fisrt feature information and its region.
8. air navigation aid according to claim 2, which is characterized in that while prompt adjustment image-acquisition area,
Also prompt the fisrt feature information in image and its region.
9. according to the air navigation aid described in 1,2,7,8 any one of claim, which is characterized in that the mode of the prompt user
For voice broadcast.
10. air navigation aid according to claim 1, which is characterized in that the picture number in the acquisition image-acquisition area
According to, and image-acquisition area described in the step of carrying out fisrt feature information extraction to image data will be protected with user's facing area
It holds consistent.
11. a kind of electronic equipment, which is characterized in that the electronic equipment includes：Memory, one or more processors；Storage
Device is connected with processor by communication bus；Processor is configured as executing the instruction in memory；It is deposited in the storage medium
Contain the instruction that each step in 1 to 10 any one the method is required for perform claim.
12. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of any one of claims 1 to 10 the method is realized when execution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711474454.2A CN108426578A (en) | 2017-12-29 | 2017-12-29 | A kind of air navigation aid, electronic equipment and readable storage medium storing program for executing based on high in the clouds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711474454.2A CN108426578A (en) | 2017-12-29 | 2017-12-29 | A kind of air navigation aid, electronic equipment and readable storage medium storing program for executing based on high in the clouds |
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| CN108426578A true CN108426578A (en) | 2018-08-21 |
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| CN109492123A (en) * | 2018-09-30 | 2019-03-19 | 北京工业职业技术学院 | A kind of information demonstrating method |
| CN109933642A (en) * | 2019-04-04 | 2019-06-25 | 北京三快在线科技有限公司 | Guide generation method, device, electronic equipment and the storage medium of picture |
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