CN114489344A - Augmented reality digital culture content display device and method based on Internet of things - Google Patents
Augmented reality digital culture content display device and method based on Internet of things Download PDFInfo
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- CN114489344A CN114489344A CN202210142103.6A CN202210142103A CN114489344A CN 114489344 A CN114489344 A CN 114489344A CN 202210142103 A CN202210142103 A CN 202210142103A CN 114489344 A CN114489344 A CN 114489344A
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- 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/122—Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/194—Transmission of image signals
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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
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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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
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention discloses a device and a method for displaying augmented reality digital culture contents based on the Internet of things, which belong to the technical field of Internet of things and augmented reality, and at least comprise the following steps: the system comprises an Internet of things unit and a server, wherein the Internet of things unit comprises an Internet of things node and an acquisition module, and the Internet of things node comprises an identification code and a sensor which are distributed in a preset space; the acquisition module is used for acquiring signals, sensor data, shooting images and transmitting the signals, the sensor data and the shooting images to the server unit; the server unit receives the acquisition signal, the sensor data and the image data, performs data storage, abnormality detection and analysis, and transmits the analysis data to the display unit; and the display unit is used for receiving the information sent by the server unit and executing information extraction, display, user interaction and processing analysis. By combining the Internet of things and the AR technology, the advantages of the AR technology are fully exerted on the basis of the Internet of things, the method is perfectly applied to digital culture mode experience, the AR recognition rate and accuracy are improved, and the user experience is improved.
Description
Technical Field
The invention belongs to the technical field of Internet of things and augmented reality, and particularly relates to a device and a method for displaying augmented reality digital culture content based on the Internet of things.
Background
With the development of technologies such as mobile internet, cloud computing, micro-electro-mechanical sensor, and the like, all things will obtain context awareness, enhanced processing capability and better sensing capability when the internet of things (IoT) is moving into the internet of everything (IoE) era today. By adding people and information to the internet, a network that aggregates billions or even trillions of connections can be realized.
Augmented Reality (AR) is a research hotspot in the field of computer graphics developed in recent years, and can superimpose virtual digital information generated by a computer in a real environment, integrate the virtual digital information with the real environment, and present the virtual-real fused scene through a display device, so that the real environment presents an information enhancement effect. The enhanced information is presented, so that an experiencer not only can perceive the information of the real world, but also can perceive the virtual digital information outside the real world, and the perception of the experiencer to the environment of the real world can be effectively enhanced.
Digital cultures are digitally shared in cultures of computers, the internet, and digital video information collection, processing, storage, and transmission technologies. The method realizes space-time popularization and content upgrading of culture propagation by means of various public, organizational and individual culture resources and by means of digital technologies such as VR, AR and 3D and platforms such as the Internet and big data, and has a culture service and sharing mode with innovativeness, experience and interactivity.
Through recent development, Augmented Reality (AR) has become an important branch of the field of virtual reality, and compared with the conventional virtual reality technology, AR organically combines the real world with a virtual environment, thereby providing better realistic texture in the virtual environment and interacting with reality. Meanwhile, the AR technology is relatively low in cost and can be implemented on mobile intelligent terminals, such as smart phones and PADs.
Therefore, how to fully exert the advantages of the AR technology on the basis of the Internet of things and perfectly apply the AR technology to digital culture mode experience is a technical problem which needs to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
an augmented reality digital culture content display device based on the Internet of things at least comprises an Internet of things unit, a server unit and a display unit, wherein,
the system comprises an Internet of things unit and a data acquisition unit, wherein the Internet of things unit comprises an Internet of things node and an acquisition module, the Internet of things node comprises an identification code and a sensor which are distributed in a preset space, and the Internet of things node and the acquisition module bidirectionally transmit data; the acquisition module is used for acquiring signals, sensor data, shooting images and transmitting the images to the server unit;
the server unit is used for receiving the acquisition signals, the sensor data and the image data transmitted by the acquisition module, performing data storage, abnormality detection and analysis and transmitting the analysis data to the display unit;
and the display unit is used for receiving the information sent by the server unit and executing information extraction, display, user interaction and processing analysis.
Further, the server unit comprises a receiving module, a storage module, a sending module and a processing module; the receiving module is connected with the acquisition module, and is used for receiving the image shot by the acquisition module and transmitting the image to the storage module for storage; the sending module is used for sending the image stored in the storage module to the processing module; the processing module is used for extracting and generating a first label corresponding to the preset space in the image;
when the first label is failed to extract or generate, forwarding a generated failure response message to the receiving module; the receiving module is used for receiving the acquisition signal and the sensor data sent by the acquisition module after receiving the failure response message, and sending the acquisition signal and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to the preset space from the acquired signal and the sensor data;
the processing module is further used for acquiring digital culture contents corresponding to the second label, fusing and overlapping the digital culture contents to the image of the preset space, and sending the fused and overlapped image to the display unit.
Further, the processing module is used for fusing and overlaying the digital culture content on the image of the predetermined space, and comprises:
carrying out virtual and real registration processing on the digital culture content and the acquired image by adopting a three-dimensional tracking registration technology;
rendering the digital culture content in real time, and superposing and fusing the digital culture content and the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
Further, the collection module includes sensor group, sensor group includes a plurality of wireless sensors and motion sensor, the collection module is wireless signal, motion sensor data are gathered to the periodicity.
Furthermore, the acquisition module also comprises a camera for calibrating the motion sensor and shooting images, and acquiring camera parameters, motion sensor error parameters and an axis misalignment angle between the camera and the motion sensor; the calibration results are stored for image and sensor data compensation.
Further, the acquisition module is further configured to implement local operations, where the local operations include position, attitude determination, and AR scene generation; the AR scene generation comprises displaying the collected image on a display unit and calculating the mutual conversion relation between the pixel coordinate system of the current image and the three-dimensional space coordinate system; and the three-dimensional space coordinate is obtained by opening an AR measurement mode, clicking a target point or inputting a target point number.
Further, the display unit at least comprises a display module, and the display module is used for displaying the fused and overlapped images.
A method for displaying augmented reality digital culture contents based on the Internet of things adopts any one of the devices for displaying the augmented reality digital culture contents based on the Internet of things, and the method comprises the following steps:
the acquisition module acquires an image of a preset space;
the receiving module receives the image shot by the acquisition module and transmits the image to the storage module for storage; sending the collected image to a processing module through a sending module;
the sending module sends the image stored in the storage module to the processing module;
the processing module is used for extracting and generating a first label corresponding to the preset space in the image; when the first label is failed to extract or generate, forwarding a generated failure response message to a receiving module; after receiving the failure response message, the receiving module receives the acquisition signal and the sensor data sent by the acquisition module and sends the acquisition signal and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to a preset space in the acquired signal and the sensor data;
the processing module acquires digital culture content corresponding to the second label, fuses and superposes the digital culture content on the image in the preset space, and sends the fused and superposed image to the display unit;
and the display unit displays the fused and superposed images.
Further, the processing module fuses and superposes the digital culture content on the image of the predetermined space, and the processing module comprises the following steps:
the processing module adopts a three-dimensional tracking registration technology to carry out virtual and real registration processing on the digital culture content and the acquired image;
rendering the digital culture content in real time, and superposing and fusing the digital culture content and the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
Has the advantages that:
according to the device for displaying the augmented reality digital culture content based on the Internet of things, the advantages of the AR technology are fully exerted on the basis of the Internet of things through the combination of the Internet of things and the AR technology, the device is perfectly applied to digital culture mode experience, the AR recognition rate and accuracy are improved, and the user experience is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a device for displaying augmented reality digital culture content based on the internet of things according to the present invention;
Detailed Description
Example 1
Referring to fig. 1, an apparatus for displaying augmented reality digital culture contents based on the internet of things at least includes an internet of things unit, a server unit and a display unit.
The Internet of things unit comprises an Internet of things node and an acquisition module, wherein the Internet of things node comprises an identification code and a sensor which are distributed in a preset space and transmits data with the acquisition module in a two-way mode; and the acquisition module is used for acquiring signals and sensor data, shooting images and transmitting the images to the server unit.
In this embodiment, the predetermined space may be a cultural tourist attraction such as a museum, a park, and a garden, or a campus, a factory, a building, and the like.
In this embodiment, each node of the internet of things has a globally unique identification code. The internet of things node is configured in a predetermined space environment and comprises but is not limited to sensors such as temperature, humidity, smoke, harmful gas, human body induction and the like. Meanwhile, wireless sensors including but not limited to LoRa, BLE and WiFi can be configured on the nodes of the Internet of things. Meanwhile, the nodes of the internet of things can be also provided with motion sensors including but not limited to accelerometers and gyros.
And the server unit receives the acquisition signals, the sensor data and the image data transmitted by the acquisition module, performs data storage, abnormality detection and analysis, and transmits the analysis data to the display unit.
And the display unit is used for receiving the information sent by the server unit and executing information extraction, display, user interaction and processing analysis.
In this embodiment, the server unit includes a receiving module, a storage module, a sending module and a processing module; the receiving module is connected with the acquisition module, receives the image shot by the acquisition module and transmits the image to the storage module for storage; the sending module is used for sending the image stored in the storage module to the processing module; the processing module is used for extracting and generating a first label corresponding to a preset space in the image.
In this embodiment, the first label may be a two-dimensional drawing or an outline of a three-dimensional object.
When the first label is failed to extract or generate, forwarding a generated failure response message to a receiving module; the receiving module is used for receiving the acquisition signals and the sensor data sent by the acquisition module after receiving the failure response message, and sending the acquisition signals and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to the predetermined space from the acquired signal and the sensor data.
In this embodiment, the collected data of the node of the internet of things at least includes a data collection time scale, and the unique identifier of the node of the internet of things includes, but is not limited to, for example, a MAC address and its corresponding measurement data, such as temperature, humidity, and air quality, such as SO2、NO2、O3PM2.5, PM10, CO, and the like.
In this embodiment, the second text label may be a string of numeric codes in a particular format.
The processing module is further used for acquiring digital culture contents corresponding to the second label, fusing and overlapping the digital culture contents to the image in the preset space, and sending the fused and overlapped image to the display unit.
In this embodiment, the processing module is configured to fuse and superimpose the digital culture content onto an image in a predetermined space, and includes:
carrying out virtual and real registration processing on the digital culture content and the acquired image by adopting a three-dimensional tracking registration technology;
the digital culture content is rendered in real time, and is superposed and fused with the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
In this embodiment, the collection module includes a sensor group, the sensor group includes a plurality of wireless sensors and a motion sensor, and the collection module periodically collects wireless signals and motion sensor data.
The acquisition module can periodically acquire surrounding wireless signals including but not limited to BLE, WiFi, LoRa, GNSS, communication base stations, and the motion sensor includes but not limited to gyroscope, accelerometer, magnetometer, barometer data, and capture images.
In this embodiment, the acquisition module further calibrates the motion sensor and a camera for shooting an image, and acquires a camera parameter, a motion sensor error parameter, and an axis misalignment angle between the camera and the motion sensor; the calibration results are stored for image and sensor data compensation.
In this embodiment, the acquisition module is further configured to implement local operations, where the local operations include position and attitude determination and AR scene generation; the AR scene generation comprises displaying the collected image on a display unit, and calculating the mutual conversion relation between the pixel coordinate system of the current image and the three-dimensional space coordinate system; the three-dimensional space coordinate is obtained by opening an AR measurement mode, clicking a target point or inputting a target point number.
In this embodiment, the display unit at least includes a display module, and the display module is configured to display the fused and superimposed image.
Example 2
A method for displaying augmented reality digital culture contents based on the Internet of things adopts the device for displaying the augmented reality digital culture contents based on the Internet of things provided by embodiment 1, and the method comprises the following steps:
the acquisition module acquires an image of a preset space;
the receiving module receives the image shot by the acquisition module and transmits the image to the storage module for storage; sending the collected image to a processing module through a sending module;
the sending module sends the image stored in the storage module to the processing module;
the processing module is used for extracting and generating a first label corresponding to a preset space in the image; when the first label is failed to extract or generate, forwarding a generated failure response message to a receiving module; after receiving the failure response message, the receiving module receives the acquisition signal and the sensor data sent by the acquisition module and sends the acquisition signal and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to a preset space in the acquired signal and the sensor data;
the processing module acquires digital culture content corresponding to the second label, fuses and superposes the digital culture content on the image in the preset space, and sends the fused and superposed image to the display unit;
and the display unit displays the fused and superposed images.
In this embodiment, the process module fuses and superimposes the digital culture content on the image of the predetermined space, including the following steps:
the processing module adopts a three-dimensional tracking registration technology to carry out virtual and real registration processing on the digital culture content and the acquired image;
the digital culture content is rendered in real time, and is superposed and fused with the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. An augmented reality digital culture content display device based on the Internet of things is characterized by at least comprising an Internet of things unit, a server unit and a display unit, wherein,
the system comprises an Internet of things unit and a data acquisition unit, wherein the Internet of things unit comprises an Internet of things node and an acquisition module, the Internet of things node comprises an identification code and a sensor which are distributed in a preset space, and the Internet of things node and the acquisition module bidirectionally transmit data; the acquisition module is used for acquiring signals, sensor data, shooting images and transmitting the images to the server unit;
the server unit is used for receiving the acquisition signals, the sensor data and the image data transmitted by the acquisition module, performing data storage, abnormality detection and analysis and transmitting the analysis data to the display unit;
and the display unit is used for receiving the information sent by the server unit and executing information extraction, display, user interaction and processing analysis.
2. The device for displaying augmented reality digital culture contents based on the internet of things as claimed in claim 1, wherein the server unit comprises a receiving module, a storage module, a sending module and a processing module; the receiving module is connected with the acquisition module, and is used for receiving the image shot by the acquisition module and transmitting the image to the storage module for storage; the sending module is used for sending the image stored in the storage module to the processing module; the processing module is used for extracting and generating a first label corresponding to the preset space in the image;
when the first label is failed to extract or generate, forwarding a generated failure response message to the receiving module; the receiving module is used for receiving the acquisition signal and the sensor data sent by the acquisition module after receiving the failure response message, and sending the acquisition signal and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to the preset space from the acquired signal and the sensor data;
the processing module is further used for acquiring digital culture contents corresponding to the second label, fusing and overlapping the digital culture contents to the image of the preset space, and sending the fused and overlapped image to the display unit.
3. The device for displaying augmented reality digital cultural content based on internet of things as claimed in claim 2, wherein the processing module is configured to fuse and superimpose the digital cultural content on the image of the predetermined space, and comprises:
carrying out virtual and real registration processing on the digital culture content and the acquired image by adopting a three-dimensional tracking registration technology;
rendering the digital culture content in real time, and superposing and fusing the digital culture content and the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
4. The device for displaying augmented reality digital culture contents based on the internet of things as claimed in claim 3, wherein the collection module comprises a sensor group, the sensor group comprises a plurality of wireless sensors and motion sensors, and the collection module periodically collects wireless signals and motion sensor data.
5. The device for displaying the augmented reality digital culture contents based on the internet of things according to claim 4, wherein the acquisition module further comprises calibrating the motion sensor and a camera for shooting images to acquire camera parameters, motion sensor error parameters and an axis misalignment angle between the camera and the motion sensor; the calibration results are stored for image and sensor data compensation.
6. The device for displaying augmented reality digital culture content based on the internet of things as claimed in claim 5, wherein the acquisition module is further configured to implement local operations, the local operations including position, pose determination and AR scene generation; the AR scene generation comprises displaying the collected image on a display unit and calculating the mutual conversion relation between the pixel coordinate system of the current image and the three-dimensional space coordinate system; and the three-dimensional space coordinate is obtained by opening an AR measurement mode, clicking a target point or inputting a target point number.
7. The device for displaying augmented reality digital culture contents based on the internet of things as claimed in claim 6, wherein the display unit at least comprises a display module, and the display module is used for displaying the fused and overlapped images.
8. An augmented reality digital cultural content display method based on the Internet of things is characterized in that the device for displaying the augmented reality digital cultural content based on the Internet of things as claimed in any one of claims 1 to 7 is adopted, and the method comprises the following steps:
the acquisition module acquires an image of a preset space;
the receiving module receives the image shot by the acquisition module and transmits the image to the storage module for storage; sending the collected image to a processing module through a sending module;
the sending module sends the image stored in the storage module to the processing module;
the processing module is used for extracting and generating a first label corresponding to the preset space in the image; when the first label is failed to extract or generate, forwarding a generated failure response message to a receiving module; after receiving the failure response message, the receiving module receives the acquisition signal and the sensor data sent by the acquisition module and sends the acquisition signal and the sensor data to the processing module through the sending module; the processing module extracts a second label corresponding to a preset space in the acquired signal and the sensor data;
the processing module acquires digital culture content corresponding to the second label, fuses and superposes the digital culture content on the image in the preset space, and sends the fused and superposed image to the display unit;
and the display unit displays the fused and superposed images.
9. The method for displaying the augmented reality digital cultural content based on the internet of things as claimed in claim 8, wherein the step of fusing and overlaying the digital cultural content on the image of the predetermined space by the processing module comprises the following steps:
the processing module adopts a three-dimensional tracking registration technology to carry out virtual and real registration processing on the digital culture contents and the acquired images;
rendering the digital culture content in real time, and superposing and fusing the digital culture content and the image of the preset space according to the mapping relation of the digital culture content in the real scene after the virtual-real registration processing; the digital culture content comprises a digital three-dimensional model and one or more of digital animation, digital film and television, digital sound, digital pictures and digital texts.
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