CN108551420B - Augmented reality device and information processing method thereof - Google Patents

Augmented reality device and information processing method thereof Download PDF

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CN108551420B
CN108551420B CN201810307657.0A CN201810307657A CN108551420B CN 108551420 B CN108551420 B CN 108551420B CN 201810307657 A CN201810307657 A CN 201810307657A CN 108551420 B CN108551420 B CN 108551420B
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CN108551420A (en
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王耀彰
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Journey Technology Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/52—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail for supporting social networking services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/01—Social networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
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    • H04B10/116—Visible light communication

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Abstract

The invention discloses augmented reality equipment and an information processing method thereof, wherein the method comprises the following steps: acquiring an image in a visual field range; acquiring a visual broadcast signal according to the image, wherein the broadcast signal carries identification information of a corresponding signal source; acquiring content information of the signal source according to the identification information; and displaying the content information. The augmented reality equipment and the information processing method thereof disclosed by the invention do not need to rely on a network server to realize information processing, and meanwhile, because the visual broadcast signals are limited in the visual field range, a large amount of redundant information is avoided.

Description

Augmented reality device and information processing method thereof
Technical Field
The present invention relates to the field of Augmented Reality (AR), and in particular, to an AR device and an information processing method thereof.
Background
With the development of the internet, information processing is increasingly realized by relying on computers or mobile platforms. Clients with information processing requirements often need to rely on web servers to implement various functions.
Taking social networking as an example, communication between end users depends on coordination of a network server to ensure reasonable and effective utilization of a frequency band. The terminal user cannot subjectively screen the communication objects around the terminal user by using effective information, and can only try to screen the communication objects by sharing a single geographical position. If an end-user turns on the broadcast mode to broadcast his own information to other end-users in the surroundings, a large amount of redundant information will be generated for each end-user.
Disclosure of Invention
The embodiment of the invention provides AR equipment and an information processing method thereof. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
In a first aspect, an embodiment of the present invention provides an information processing method for an AR device, where the method includes:
acquiring an image in a visual field range;
acquiring a visual broadcast signal according to the image, wherein the broadcast signal carries identification information of a corresponding signal source;
acquiring content information of the signal source according to the identification information;
and displaying the content information.
Based on the method, as an optional first embodiment, the acquiring a broadcast signal visualized in a visual field according to the image includes:
processing the image, and screening out alternative broadcast signals with signal-to-noise ratios meeting set conditions;
and screening out effective broadcast signals carrying set data headers from the alternative broadcast signals.
Based on the first embodiment, as an optional second embodiment, the processing the image to screen out an alternative broadcast signal whose signal-to-noise ratio meets a set condition includes:
evaluating the brightness of the image;
aiming at the bright spot group with the brightness higher than the set brightness value, calculating a first average brightness value and calculating a second average brightness value which takes the center of the bright spot group as the circle center and is within a set radius range;
dividing the first average brightness value by the second average brightness value to obtain a signal-to-noise ratio;
and using the bright spot group with the signal-to-noise ratio larger than a set signal-to-noise ratio value as the alternative broadcast signal.
Based on the method, as an optional third embodiment, the method further includes: acquiring the position information of the signal source;
the displaying the content information includes:
and displaying the content information and the position information in an overlapping manner.
Based on the third embodiment, as an optional fourth embodiment, the acquiring the location information of the signal source includes:
determining a coordinate position of the broadcast signal on the image;
and determining the position information of the broadcast signal in the virtual space according to the ray from the coordinate position to the eyes of the wearer of the augmented reality equipment and the space model of the space position sensor in the augmented reality equipment.
Based on the fourth embodiment, as an optional fifth embodiment, the displaying the content information and the position information in an overlapping manner includes:
displaying a mark of a signal source corresponding to the broadcast signal according to the position information in the virtual space;
and displaying the content information at the set position of the mark.
In a second aspect, an embodiment of the present invention provides an AR device, where the AR device includes:
image capture means for acquiring an image within a field of view;
the processor is used for acquiring a visual broadcast signal according to the image, wherein the broadcast signal carries identification information of a corresponding signal source; acquiring content information of the signal source according to the identification information;
and the display device is used for displaying the content information.
Based on the AR device, as an optional first embodiment, the processor is configured to:
processing the image, and screening out alternative broadcast signals with signal-to-noise ratios meeting set conditions;
and screening out effective broadcast signals carrying set data headers from the alternative broadcast signals.
Based on the first embodiment, as an optional second embodiment, the processor is configured to:
evaluating the brightness of the image;
aiming at the bright spot group with the brightness higher than the set brightness value, calculating a first average brightness value and calculating a second average brightness value which takes the center of the bright spot group as the circle center and is within a set radius range;
dividing the first average brightness value by the second average brightness value to obtain a signal-to-noise ratio;
and using the bright spot group with the signal-to-noise ratio larger than a set signal-to-noise ratio value as the alternative broadcast signal.
Based on the AR device, as an optional third embodiment, the processor is configured to:
acquiring the position information of the signal source;
the display device is configured to: and displaying the content information and the position information in an overlapping manner.
Based on the third embodiment, as an optional fourth embodiment, the processor is configured to:
determining a coordinate position of the broadcast signal on the image;
and determining the position information of the broadcast signal in the virtual space according to the ray from the coordinate position to the eyes of the wearer of the augmented reality equipment and the space model of the space position sensor in the augmented reality equipment.
Based on the fourth embodiment, as an optional fifth embodiment, the display apparatus is configured to:
displaying a mark of a signal source corresponding to the broadcast signal according to the position information in the virtual space;
and displaying the content information at the set position of the mark.
The AR equipment and the information processing method thereof in the embodiment of the invention do not need to depend on a network server to realize information processing, and simultaneously, because the visual broadcast signals are limited in the visual field range, a large amount of redundant information is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart of an information processing method of an AR device in an exemplary embodiment;
fig. 2 is a flowchart of an information processing method of an AR device in an exemplary embodiment;
FIG. 3 is a safe distance diagram in an exemplary embodiment;
FIG. 4 is a diagram illustrating the display effect of content information in an exemplary embodiment;
fig. 5 is a flowchart of an information processing method of an AR device in an exemplary embodiment;
fig. 6 is a block diagram of an AR device in an exemplary embodiment.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the structures, products and the like disclosed by the embodiments, the description is relatively simple because the structures, the products and the like correspond to the parts disclosed by the embodiments, and the relevant parts can be just described by referring to the method part.
In an exemplary embodiment, as shown in fig. 1, an information processing method of an AR device includes the following steps.
In step 11, an image within the field of view is acquired.
In step 12, a visualized broadcast signal is obtained according to the image, and the broadcast signal carries identification information of a corresponding signal source.
In step 13, content information of the signal source is acquired based on the identification information.
In step 14, the content information is displayed.
The above-mentioned images have a broad meaning and include both visible light imaging and infrared imaging, all of which are two-dimensional recordings of the intensity distribution in a plane that can be obtained by the apparatus.
The signal source refers to an object that can emit a visual broadcast signal.
The visual broadcast signal is a broadcast signal whose source can be determined by an image capturing method, and includes, but is not limited to, visible light, infrared light, and the like.
The information processing method of the AR device in this exemplary embodiment does not need to rely on a network server to implement information processing, and avoids generating a large amount of redundant information because the visual broadcast signal is limited within the visual field.
In an exemplary embodiment, as shown in fig. 2, the information processing method of the AR device includes the following steps.
In step 21, an image within the field of view is acquired.
As an alternative embodiment, the operating frequency of the visualized broadcast signal is less than the sampling frequency of the image capturing apparatus in the AR device to ensure sampling of the broadcast signal by the image capturing apparatus.
In step 22, the image is processed to screen out an alternative broadcast signal whose signal-to-noise ratio meets a set condition.
As an alternative embodiment, the above step 22 may be implemented by the following substeps.
In sub-step 1, the brightness of the image is evaluated.
In sub-step 2, for luminance higher than a set luminance value L0Calculating a first average brightness value LLeAnd calculating a second average brightness value L within a set radius range by taking the center of the bright spot group as the center of a circlee。
As shown in fig. 3, the safe distance may be determined as a suitable value according to weighting factors such as the accuracy of the AR device receiving the broadcast signal, the design of the external shape of the signal source, the density of the signal source in the working area, and the resolution of the spatial position sensor in the AR device, and may be any value not less than zero.
In substep 3, a first average luminance value L is usedLeDivided by the second average luminance value LeAnd obtaining the signal-to-noise ratio E.
In sub-step 4, the signal-to-noise ratio E is greater than a set signal-to-noise ratio value E0The lighting point group of (2) as an alternative broadcast signal.
The alternative broadcast signal corresponds to the alternative signal source.
In step 23, a valid broadcast signal carrying a set data header is screened out from the candidate broadcast signals, and the broadcast signal carries identification information of a corresponding signal source.
As an alternative embodiment, as shown in table 1 below, a signal source transmits a visualized broadcast signal in a cyclic transmission manner, the broadcast signal has a set format and includes two parts of signal data, the first part is system information including, but not limited to, manufacturers, equipment, modes, and the like, and the second part is user information including, but not limited to, a user ID, that is, identification information of the signal source transmitting the broadcast signal. Each part of signal data is marked by using a set data header, and only the broadcast signal carrying the set data header is a valid broadcast signal, so that the interference of invalid signals can be avoided.
TABLE 1
Data head 1 Data: manufacturer, equipment, model, etc Data head 2 Data: user ID (identification code)
In step 24, content information of the signal source is acquired based on the identification information.
As an optional implementation manner, content information corresponding to the identification information may be searched in a local database of the AR device, or content information corresponding to the identification information may be requested to be queried from the network server.
The content information may include various contents, for example, the content information includes main information and additional information, and some examples are given below in conjunction with specific application scenarios.
If the signal source is other people wearing the AR equipment, the main information can be basic information such as names, sexes, communication numbers, positioning information and the like of the people, and the additional content can be information such as interests and hobbies of the people.
If the signal source is an outdoor billboard, the subject information may be advertising content and the additional information may be information related to the advertiser.
If the signal source is a taxi capable of sending broadcast signals, the main information can be basic information such as a license plate of the taxi, the company, positioning information and the like, and the additional content can be information such as a communication number of a taxi driver.
In step 25, the content information is displayed.
Fig. 4 shows the display effect of the content information presented from the perspective of the wearer of the AR device.
In an exemplary embodiment, as shown in fig. 5, an information processing method of an AR device includes the following steps.
The contents of steps 51 to 54 are the same as steps 21 to 24, respectively, and are not described again here.
In step 55, location information of the signal source is acquired.
As an optional implementation manner, the visualized broadcast signal has a corresponding coordinate position on an image in the field of view, and according to a ray between the coordinate position and an eye of a wearer of the AR device and a spatial model of a spatial position sensor in the AR device, position information of a signal source corresponding to the broadcast signal in a virtual space can be determined, so that an offline visualization connection is established, that is, a visualization connection is not established through a network server.
In step 56, the content information and the position information are displayed in a superimposed manner.
The mark of the signal source corresponding to the broadcast signal can be displayed according to the position information in the virtual space, and then the content information can be displayed at the set position of the mark.
Further, as an alternative implementation, the image recognition function and the tracking function in the AR device may be used to track and display the position and content information of the signal source all the time until the signal source is no longer within the field of view of the AR device.
As another optional implementation, when both the AR device and the signal source have the spatial position sensor and the motion sensor, the AR device and the signal source may each record their own motion data and upload the motion data to the network server, and the network server calculates and obtains a real-time position of the signal source relative to the AR device for displaying on the AR device.
In the present exemplary embodiment, a visualized broadcast signal may not be acquired based on the contents in step 51 to step 54.
In an exemplary embodiment, as shown in fig. 6, an AR device includes: an image capture device 61, a processor 62 and a display device 63.
And the image capturing device 61 is used for acquiring images in a visual field range.
A processor 62, configured to obtain a visualized broadcast signal according to the image, where the broadcast signal carries identification information of a corresponding signal source; and acquiring the content information of the signal source according to the identification information.
And a display device 63 for displaying the content information.
In an exemplary embodiment, the processor 62 may be configured to:
processing the image, and screening out alternative broadcast signals with signal-to-noise ratios meeting set conditions;
and screening out effective broadcast signals carrying the set data header from the alternative broadcast signals.
Further, the processor 62 may be configured to:
evaluating the brightness of the image;
aiming at the bright spot group with the brightness higher than the set brightness value, calculating a first average brightness value and calculating a second average brightness value which takes the center of the bright spot group as the circle center and is within a set radius range;
dividing the first average brightness value by the second average brightness value to obtain a signal-to-noise ratio;
and taking the bright spot group with the signal-to-noise ratio larger than the set signal-to-noise ratio value as an alternative broadcast signal.
In an exemplary embodiment, the processor 62 may be configured to: position information of a signal source is acquired. The display device may be configured to: and displaying the content information and the position information in an overlapping manner.
Further, the processor 62 may be configured to:
determining a coordinate position of the broadcast signal on the image;
and determining the position information of the broadcast signal in the virtual space according to the ray from the coordinate position to the eyes of the wearer of the AR device and the space model of the space position sensor in the AR device.
Further, the display device 63 may be configured to:
displaying a mark of a signal source corresponding to the broadcast signal according to the position information in the virtual space;
the content information is displayed at the set position of the mark.
The various alternative embodiments in the functional process of the image capturing device 61, the processor 62 and the display device 63 are the same as those described in the corresponding method, and are not described again here.
Three application examples of the information processing method of the AR device provided by the embodiment of the present invention are given below.
Firstly, social networking.
The user wears the AR device in the embodiment of the present invention, and sees the content information and the location information displayed in an overlaid manner through the method provided in the foregoing, at this time, the user may select one or more of the marks of other users in the visual picture through subjective selection and through interactive modes of the AR device, including but not limited to buttons, a touch screen, gesture recognition, voice control, and the like, or may automatically select one or more of the marks of other users through a system of the AR device, and communication with other users is respectively established through the web server according to the user ID transmitted by the broadcast signal. The communication mode depends on the traditional social network of the network server, the communication method of the hardware end includes but not limited to wireless network, bluetooth, mobile network and the like, and the data content sent and received by the communication between the users includes the subject information and the additional message.
The subject information of the user includes a physical location of the user and personal identification information of the user. The source of the physical location information includes but is not limited to GPS, mobile network, wireless network location, and the user personal identification information includes user ID and other user-distinguished codes.
Additional information of the user includes, but is not limited to, user personalized information, customized information in certain social scenarios, such as social concerts, trade shows, and the like. More particularly, the users can selectively set the view permission of the personalized information based on the association between the users in the social network, such as friend modes.
And secondly, human-vehicle interaction.
The taxi equipped with the AR device described in the embodiment of the invention can broadcast the vehicle identification ID to the surroundings in the form of visible light carrier waves of an infrared transmitter or a headlight. By using the AR device described in the embodiment of the invention, a car booking passenger can collect all similar signals in the visual field range by the image on the AR device of the passenger or the infrared acquisition device as long as the taxi scheduled by the passenger appears in the visual field range, and respectively identify the ID of each taxi in the visual field by the image processing mode, and when a target taxi is found, the target taxi is highlighted by the superposed image mark in the AR device by the AR display means. The taxi can also carry the same AR equipment to search the passerby so as to find the passenger.
And thirdly, enhancing social activity.
The participating members of the relative meeting can place the friend-making information of themselves in the additional message and broadcast the friend-making information in an active push form by using the AR equipment described in the embodiment of the invention. Meanwhile, the members can also see the information display of the AR effect attached to the bodies of other people or nearby by using the AR device described by the embodiment of the invention. More, the data analysis and automatic pushing in the traditional social media can be applied, and the information of the relative objects preferred by the members can be selectively displayed or highlighted.
It is to be understood that the present invention is not limited to the procedures and structures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. An information processing method of an augmented reality device, the method comprising:
acquiring an image in a visual field range;
acquiring a visual broadcast signal according to the image, wherein the broadcast signal carries identification information of a corresponding signal source;
acquiring content information of the signal source according to the identification information;
displaying the content information;
the broadcast signal acquiring visualization according to the image includes:
processing the image, and screening out alternative broadcast signals with signal-to-noise ratios meeting set conditions; and screening out effective broadcast signals carrying set data headers from the alternative broadcast signals.
2. The method of claim 1, wherein the processing the image to screen out alternative broadcast signals with signal-to-noise ratios meeting set conditions comprises:
evaluating the brightness of the image;
aiming at the bright spot group with the brightness higher than the set brightness value, calculating a first average brightness value and calculating a second average brightness value which takes the center of the bright spot group as the circle center and is within a set radius range;
dividing the first average brightness value by the second average brightness value to obtain a signal-to-noise ratio;
and using the bright spot group with the signal-to-noise ratio larger than a set signal-to-noise ratio value as the alternative broadcast signal.
3. The method of claim 1, wherein the method further comprises: acquiring the position information of the signal source;
the displaying the content information includes:
and displaying the content information and the position information in an overlapping manner.
4. The method of claim 3, wherein said obtaining location information of said signal source comprises:
determining a coordinate position of the broadcast signal on the image;
and determining the position information of the broadcast signal in the virtual space according to the ray from the coordinate position to the eyes of the wearer of the augmented reality equipment and the space model of the space position sensor in the augmented reality equipment.
5. The method of claim 4, wherein the displaying the content information and the location information in an overlay manner comprises:
displaying a mark of a signal source corresponding to the broadcast signal according to the position information in the virtual space;
and displaying the content information at the set position of the mark.
6. An augmented reality device, comprising:
image capture means for acquiring an image within a field of view;
the processor is used for acquiring a visual broadcast signal according to the image, wherein the broadcast signal carries identification information of a corresponding signal source; acquiring content information of the signal source according to the identification information;
display means for displaying the content information;
the processor is configured to:
processing the image, and screening out alternative broadcast signals with signal-to-noise ratios meeting set conditions;
and screening out effective broadcast signals carrying set data headers from the alternative broadcast signals.
7. The augmented reality device of claim 6, wherein the processor is configured to:
evaluating the brightness of the image;
aiming at the bright spot group with the brightness higher than the set brightness value, calculating a first average brightness value and calculating a second average brightness value which takes the center of the bright spot group as the circle center and is within a set radius range;
dividing the first average brightness value by the second average brightness value to obtain a signal-to-noise ratio;
and using the bright spot group with the signal-to-noise ratio larger than a set signal-to-noise ratio value as the alternative broadcast signal.
8. The augmented reality device of claim 6, wherein the processor is configured to: acquiring the position information of the signal source;
the display device is configured to: and displaying the content information and the position information in an overlapping manner.
9. The augmented reality device of claim 8, wherein the processor is configured to:
determining a coordinate position of the broadcast signal on the image;
and determining the position information of the broadcast signal in the virtual space according to the ray from the coordinate position to the eyes of the wearer of the augmented reality equipment and the space model of the space position sensor in the augmented reality equipment.
10. The augmented reality device of claim 9, wherein the display apparatus is configured to:
displaying a mark of a signal source corresponding to the broadcast signal according to the position information in the virtual space;
and displaying the content information at the set position of the mark.
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