CN110287872A - A kind of recognition methods of point of interest direction of visual lines and device based on mobile terminal - Google Patents
A kind of recognition methods of point of interest direction of visual lines and device based on mobile terminal Download PDFInfo
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- CN110287872A CN110287872A CN201910554426.4A CN201910554426A CN110287872A CN 110287872 A CN110287872 A CN 110287872A CN 201910554426 A CN201910554426 A CN 201910554426A CN 110287872 A CN110287872 A CN 110287872A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/10—Terrestrial scenes
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- 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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Abstract
The embodiment of the present invention provides a kind of point of interest direction of visual lines recognition methods based on mobile terminal and device, this method comprises: the interest point information in acquisition for mobile terminal ambient enviroment；Obtain the central instant information that the interest point information appears in mobile terminal preview frame center；According to the central instant acquisition of information direction of visual lines information.The embodiment of the present invention grabs the multiple image of ambient enviroment by mobile terminal, and it is identified in multiple image with the presence or absence of text by technologies such as Text regions, obtain the character image information with text, then interest point information is identified according to literal image content, when the interest point information is in the preview frame center of mobile terminal, think at this time mobile terminal to the angle of point of interest be target angle, pass through the acceleration transducer of mobile terminal, magnetometric sensor and gravity sensor are determined when interest point information is in the preview frame center of mobile terminal, direction of visual lines of the point of interest to mobile terminal.
Description
Technical field
The present invention relates to Information locating technical field more particularly to a kind of point of interest direction of visual lines knowledges based on mobile terminal
Other method and device.
Background technique
Indoor positioning technologies refer in environment indoors realize position positioning, mainly using wireless telecommunications, base station location and
The multiple technologies such as inertial navigation positioning are to realize the positioning indoors in space such as personnel, object.
And indoor positioning technologies in the prior art usually require additional hardware, or need in advance the scene of progress survey
It surveys, is unfavorable for promoting the use of in practice, and scene can be alleviated by generally existing indoor plane figure in market and surveyed
Problem caused by surveying, but the indoor plane figure in true use occasion and market may have scale bar and be difficult to determining etc. ask
Topic, therefore user can be further determined that by considering to be positioned so that using the direction of visual lines of some point of interest to user
Position.
And the direction of visual lines for obtaining point of interest to user is the basis that user's positioning is carried out with the program, therefore how to be obtained
The direction of visual lines for taking point of interest to user has become a urgent problem to be solved.
Summary of the invention
The embodiment of the present invention provides a kind of point of interest direction of visual lines recognition methods based on mobile terminal and device, to solve
Technical problem certainly mentioned above in the background art, or at least partly solve technical problem mentioned above in the background art.
In a first aspect, the embodiment of the present invention provides a kind of point of interest direction of visual lines recognition methods based on mobile terminal, institute
The method of stating includes:
Interest point information in acquisition for mobile terminal ambient enviroment；
Obtain the central instant information that the interest point information appears in mobile terminal preview frame center；
According to the central instant acquisition of information direction of visual lines information.
More specifically, the interest point information in the acquisition for mobile terminal ambient enviroment specifically includes:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
More specifically, described the step of direction of visual lines information is obtained according to the central instant information and interest point information,
It specifically includes:
Mobile terminal is obtained in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic
Force snesor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
View is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
Line directional information.
More specifically, before the interest point information in the acquisition for mobile terminal ambient enviroment the step of, the method
Further include:
It obtains and collects director information；
The multiple image in ambient enviroment is obtained according to the collection director information.
Second aspect, the embodiment of the present invention provide a kind of point of interest direction of visual lines identification device based on mobile terminal, institute
Stating device includes:
Module is obtained, for the interest point information in acquisition for mobile terminal ambient enviroment；
Analysis module appears in the central instant letter of mobile terminal preview frame center for obtaining the interest point information
Breath；
Identification module, for according to the central instant acquisition of information direction of visual lines information.
More specifically, the acquisition module is specifically used for:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
More specifically, the identification module is specifically used for:
Mobile terminal is obtained in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic
Force snesor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
View is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
Line directional information.
The third aspect, the embodiment of the present invention provides a kind of electronic equipment, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor realize base as described in relation to the first aspect when executing described program
In the point of interest direction of visual lines recognition methods of mobile terminal the step of.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with calculating
Machine program realizes the point of interest sight side based on mobile terminal as described in relation to the first aspect when the computer program is executed by processor
To the step of recognition methods.
A kind of recognition methods of point of interest direction of visual lines and device based on mobile terminal provided in an embodiment of the present invention, passes through
Mobile terminal grabs the multiple image of ambient enviroment, and by technologies such as Text regions to whether there is text in multiple image
It is identified, obtains the character image information with text, interest point information is then identified according to literal image content, when this
When interest point information is in the preview frame center of mobile terminal, it is believed that the angle of mobile terminal to point of interest is target at this time
Then angle is determined by the acceleration transducer of mobile terminal, magnetometric sensor and gravity sensor in interest point information
When preview frame center in mobile terminal, the direction of visual lines of the point of interest to mobile terminal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the point of interest direction of visual lines recognition methods process based on mobile terminal described in one embodiment of the invention
Figure；
Fig. 2 is point of interest described in one embodiment of the invention to user terminal direction of visual lines schematic diagram；
Fig. 3 is that the point of interest direction of visual lines identification device structure based on mobile terminal described in one embodiment of the invention is shown
It is intended to；
Fig. 4 is the electronic devices structure schematic diagram of one embodiment of the invention description.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Point of interest described in the embodiment of the present invention (Point Of Interest, abbreviation POI) refers to that people are interested
Geographical entity, such as restaurant, school, hotel and market, each POI includes much information, for example, title, classification, longitude and latitude
Degree.
Mobile terminal described in the embodiment of the present invention refers to comprising camera, acceleration transducer, magnetometric sensor
With the mobile terminal of gravity sensor, the mobile terminal in the embodiment of the present invention can also include a display module, to provide
Preview function；The mobile terminal can be the equipment such as smart phone or tablet computer.
Fig. 1 is the point of interest direction of visual lines recognition methods process based on mobile terminal described in one embodiment of the invention
Figure, as shown in Figure 1, comprising:
Step S1, the interest point information in acquisition for mobile terminal ambient enviroment；
Step S2 obtains the central instant information that the interest point information appears in mobile terminal preview frame center；
Step S3, according to the central instant acquisition of information direction of visual lines information.
Specifically, retouched step S1 is specifically, mobile terminal is connected by its included camera in the embodiment of the present invention
It is continuous to obtain multiframe ambient enviroment picture information, Word Input is then carried out to each frame image of acquisition and Text region is grasped
Make, is text image information by the image tagged with text, then specifically the text in text image information is being known
Not, when the content of text similarity of the text results of identification and POI is sufficiently high, then the part of the text in picture content is marked
It is denoted as interest point information.
Step S2 described in the embodiment of the present invention is specifically, divide the image information with interest point information
Analysis, when interest point information appears precisely at mobile terminal preview frame center, then obtains central instant information this moment.
Preview frame described in the embodiment of the present invention refers to by shown by display module entrained by mobile terminal
For the frame image information of preview.
Preview frame center described in the embodiment of the present invention refers to the centre bit of display module entrained by mobile terminal
It sets, the range of the center can be preset, such as one piece of region is preset in display module, as center
Position, when interest point information is that then will be considered to it to appear in mobile terminal preview frame center into region is preset.
Fig. 2 is point of interest described in one embodiment of the invention to user terminal direction of visual lines schematic diagram, as shown in Fig. 2,
User's H hand-held mobile terminal keeps facial direction consistent simultaneously in the projecting direction of horizontal plane with the world coordinates z-axis of mobile terminal
And when using POI (POI in figure being indicated with P) of the camera " observation " of mobile terminal surrounding, mobile terminal camera lens is given
Optical centre O and as plane center C, C and O user carry out " observation " operate when remain the same line.Therefore, when with
When family is towards P, the direction of visual lines HP and CO of P is identical, while the direction of CO can pass through the sensing in mobile terminal
Device information obtains, therefore the direction of visual lines of P can deduce and.However during user carries out " observation " operation,
User's face is towards being to continue variation, therefore HP and CO are not always identical, such as in Fig. 2, and C1-O1 and C2-O2 are just
It is not to be aligned with HP, when the face orientation of user not faces P, P appears in C1 in the imaging F1 (F2) of optical centre
(C2) the left side (the right), and when user faces P, F and C are overlapped.This means that the key of CO and HP alignment is P's
Be imaged F whether with C be overlapped (i.e. the middle whether POI appears in mobile terminal display module preview frame).
Step S3 described in the embodiment of the present invention is specifically, when point of interest appears in mobile terminal preview frame central instant
When, obtain acceleration transducer reading information, gravity direction information and the magnetometric sensor information of the moment mobile terminal；According to
Acceleration transducer reading information and gravity direction information determine mobile terminal world coordinate system angle information；It is sensed according to magnetic force
Device information determines mobile terminal world coordinate system directional information；According to the mobile terminal world coordinate system angle information and movement
Terminal world coordinate system directional information determines direction of visual lines information.
The embodiment of the present invention grabs the multiple image of ambient enviroment by mobile terminal, and passes through the technologies such as Text region
It being identified to whether there is text in multiple image, the character image information with text is obtained, then according to character image
Content recognition goes out interest point information, when the interest point information is in the preview frame center of mobile terminal, it is believed that this time shift
The angle of dynamic terminal to point of interest is target angle, then passes through the acceleration transducer of mobile terminal, magnetometric sensor and again
Force snesor determines when interest point information is in the preview frame center of mobile terminal, the sight of the point of interest to mobile terminal
Direction.
On the basis of the above embodiments, the interest point information in the acquisition for mobile terminal ambient enviroment specifically includes:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
Specifically, editing distance standard described in the embodiment of the present invention is in text information by each POI
Distance between word content and text carrys out preset standard, if the word content of the content of text in text image information and
Distance between text is similar to preset editorial logic calibrated altitude, then at this time it is considered that in text image information
Include interest point information.
Then the interest point information in text image information is analyzed, judges that the interest point information is in text diagram
As the position in information, to carry out subsequent step.
The embodiment of the present invention is selected from the multiple image continuously acquired by acquisition for mobile terminal to be believed with point of interest
The image information of breath, and interest point information is therefrom got, be conducive to the progress of subsequent step.
On the basis of the above embodiments, it is described according to the central instant acquisition of information direction of visual lines information the step of,
It specifically includes:
Mobile terminal is obtained in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic
Force snesor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
View is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
Line directional information.
Specifically, acceleration transducer reading information described in the embodiment of the present invention, gravity direction information and magnetic force
Sensor information is mobile terminal letter acquired at the time of interest point information appears in mobile terminal preview frame center
Breath.
During mobile terminal live preview ambient enviroment, while utilizing the acceleration transducer and magnetic of mobile terminal
Force snesor obtains 3 axis reading of the mobile terminal under local Coordinate System in real time.Due to when POI appears in picture center
It carves, mobile terminal is close to stationary state, therefore combines gravity direction that can determine using acceleration transducer reading
Two angles of the mobile terminal relative to world coordinate system can determine that mobile terminal is alive in conjunction with magnetometric sensor reading
The direction of boundary's coordinate system, so that it is determined that projecting direction of the mobile terminal z-axis direction in world coordinate system, the projecting direction are out
For direction of visual lines.
The embodiment of the present invention is by determining that point of interest is in the central instant information of mobile terminal preview frame center, then obtains
The acceleration transducer reading information of mobile terminal, gravity direction information and magnetometric sensor letter when taking the central instant information
Breath, so that direction of visual lines information is finally obtained, the direction of visual lines of the point of interest accurately identified to user.
On the basis of the above embodiments, the step of interest point information in the acquisition for mobile terminal ambient enviroment it
Before, the method also includes:
It obtains and collects director information；
The multiple image in ambient enviroment is obtained according to the collection director information.
Collection director information described in the embodiment of the present invention may include that user terminal is guided to rotate to the left or to the right
Rotation also may include that user terminal is guided to rotate or be rotated down upwards.
It according to director information, rotates to the left or rotates to the right, be also possible to rotate or be rotated down upwards to obtain week
Multiple image in collarette border.
The embodiment of the present invention can help to collect ambient enviroment image information, to avoid omitting emerging by director information
The acquisition of interest point information.
Fig. 3 is that the point of interest direction of visual lines identification device structure based on mobile terminal described in one embodiment of the invention is shown
It is intended to, as shown in Figure 3, comprising: obtain module 310, analysis module 320 and identification module 330；Wherein, module 310 is obtained to be used for
Obtain the interest point information in ambient enviroment；Wherein, analysis module 320 appears in movement eventually for obtaining the interest point information
Hold the central instant information of preview frame center；Wherein, identification module 330 is used for according to central instant acquisition of information sight side
To information.
Specifically, obtaining module 310 continuously acquires multiframe ambient enviroment picture information by its included camera, so
Word Input is carried out to each frame image of acquisition afterwards and Text region operates, is text diagram by the image tagged with text
As information, then specifically the text in text image information is being identified, it will be in the text of the text results of identification and POI
When appearance similarity is sufficiently high, then the part of the text in picture content is labeled as interest point information.
Analysis module 320 analyzes the image information with interest point information, when interest point information appears precisely at
When mobile terminal preview frame center, then the central instant information at this moment is obtained.
Identification module 330 is used for when point of interest appears in mobile terminal preview frame central instant, and identification module 330 obtains
Acceleration transducer reading information, gravity direction information and the magnetometric sensor information of the moment mobile terminal；According to acceleration
Sensor reading information and gravity direction information determine mobile terminal world coordinate system angle information；According to magnetometric sensor information
Determine mobile terminal world coordinate system directional information；According to the mobile terminal world coordinate system angle information and mobile terminal generation
Boundary's coordinate system directional information determines direction of visual lines information
On the basis of the above embodiments, the acquisition module is specifically used for:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
On the basis of the above embodiments, the identification module is specifically used for:
Mobile terminal is obtained in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic
Force snesor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
View is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
Line directional information.
Device provided in an embodiment of the present invention is for executing above-mentioned each method embodiment, detailed process and detailed content
Above-described embodiment is please referred to, details are not described herein again.
The embodiment of the present invention grabs the multiple image of ambient enviroment by mobile terminal, and passes through the technologies such as Text region
It being identified to whether there is text in multiple image, the character image information with text is obtained, then according to character image
Content recognition goes out interest point information, when the interest point information is in the preview frame center of mobile terminal, it is believed that this time shift
The angle of dynamic terminal to point of interest is target angle, then passes through the acceleration transducer of mobile terminal, magnetometric sensor and again
Force snesor determines when interest point information is in the preview frame center of mobile terminal, the sight of the point of interest to mobile terminal
Direction.
Fig. 4 is the electronic devices structure schematic diagram of one embodiment of the invention description, as shown in figure 4, the electronic equipment can be with
It include: processor (processor) 401,402, memory communication interface (Communications Interface)
(memory) 403 and communication bus 404, wherein processor 401, communication interface 402, memory 403 pass through communication bus 404
Complete mutual communication.Processor 401 can call the logical order in memory 403, to execute following method: mobile whole
End obtains the interest point information in ambient enviroment；Obtain the center that the interest point information appears in mobile terminal preview frame center
Time information；According to the central instant acquisition of information direction of visual lines information.
In addition, the logical order in above-mentioned memory 403 can be realized by way of SFU software functional unit and conduct
Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of invention
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation of the present invention
The all or part of the steps of example the method.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various
It can store the medium of program code.
On the other hand, the embodiment of the present invention also provides a kind of non-transient computer readable storage medium, is stored thereon with meter
Calculation machine program, the computer program be implemented to carry out when being executed by processor the various embodiments described above offer based on mobile terminal
Point of interest direction of visual lines recognition methods, for example, the interest point information in acquisition for mobile terminal ambient enviroment；It obtains described emerging
Interest point information appears in the central instant information of mobile terminal preview frame center；According to central instant acquisition of information sight side
To information.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (9)
1. a kind of point of interest direction of visual lines recognition methods based on mobile terminal, which is characterized in that the described method includes:
Interest point information in acquisition for mobile terminal ambient enviroment；
Obtain the central instant information that the interest point information appears in mobile terminal preview frame center；
According to the central instant acquisition of information direction of visual lines information.
2. the point of interest direction of visual lines recognition methods based on mobile terminal according to claim 1, which is characterized in that the shifting
The interest point information that dynamic terminal obtains in ambient enviroment specifically includes:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
3. the point of interest direction of visual lines recognition methods based on mobile terminal according to claim 1, which is characterized in that described
It the step of according to the central instant acquisition of information direction of visual lines information, specifically includes:
Mobile terminal is obtained to pass in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic force
Sensor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
Sight side is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
To information.
4. the point of interest direction of visual lines recognition methods based on mobile terminal according to claim 1, which is characterized in that described
Before the step of interest point information in acquisition for mobile terminal ambient enviroment, the method also includes:
It obtains and collects director information；
The multiple image in ambient enviroment is obtained according to the collection director information.
5. a kind of point of interest direction of visual lines identification device based on mobile terminal, which is characterized in that described device includes:
Module is obtained, for obtaining the interest point information in ambient enviroment；
Analysis module appears in the central instant information of mobile terminal preview frame center for obtaining the interest point information；
Identification module, for according to the central instant acquisition of information direction of visual lines information.
6. the point of interest direction of visual lines identification device based on mobile terminal according to claim 5, which is characterized in that described to obtain
Modulus block is specifically used for:
Multiple image in acquisition for mobile terminal ambient enviroment；
Text region operation is carried out to the multiple image, obtains text image information；
It is analyzed and processed according to text image information described in editing distance standard, determines point of interest text image information；
Interest point information is obtained according to the point of interest text image information.
7. the point of interest direction of visual lines identification device based on mobile terminal according to claim 5, which is characterized in that the knowledge
Other module is specifically used for:
Mobile terminal is obtained to pass in the acceleration transducer reading information of the central instant information, gravity direction information and magnetic force
Sensor information；
Mobile terminal world coordinate system angle information is determined according to acceleration transducer reading information and gravity direction information；
Mobile terminal world coordinate system directional information is determined according to magnetometric sensor information；
Sight side is determined according to the mobile terminal world coordinate system angle information and mobile terminal world coordinate system directional information
To information.
8. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor is realized as described in any one of Claims 1-4 when executing described program based on shifting
The step of point of interest direction of visual lines recognition methods of dynamic terminal.
9. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer journey
The point of interest direction of visual lines identification as described in any one of Claims 1-4 based on mobile terminal is realized when sequence is executed by processor
The step of method.
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| CN112580631A (en) * | 2020-12-24 | 2021-03-30 | 北京百度网讯科技有限公司 | Indoor positioning method and device, electronic equipment and storage medium |
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