CN106774935A - A kind of display device - Google Patents
A kind of display device Download PDFInfo
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- CN106774935A CN106774935A CN201710013282.2A CN201710013282A CN106774935A CN 106774935 A CN106774935 A CN 106774935A CN 201710013282 A CN201710013282 A CN 201710013282A CN 106774935 A CN106774935 A CN 106774935A
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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
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- 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
- G06F3/012—Head tracking input arrangements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Optics & Photonics (AREA)
- Processing Or Creating Images (AREA)
Abstract
The present invention provides a kind of display device, including：Scanning element, identification is scanned for the feature to target object, obtains scanning signal；Modeling unit, for according to the scanning signal, generation to meet the 3D models of the feature of the target object；Motion detection unit, the moving situation for detecting the target object, obtains action message；Virtual display unit, for showing the 3D models in virtual image, and makes the 3D models that the motion state matched with the action message is presented.Together can be presented in virtual image the actual act of the 3D models coupling participants of participant by the present invention, enable users to access the virtual environment experience for substituting into and feeling stronger, therefore with practical value very high.
Description
Technical field
The present invention relates to virtual reality display technology field, a kind of display device is particularly related to.
Background technology
Virtual reality (Virtual Reality, abbreviation VR) technology is an important directions of emulation technology, is emulation skill
The set of the multiple technologies such as art and computer graphics human-machine interface technology, multimedia technology, sensing technology, network technology, be
One challenging interleaving techniques front subject and research field.Virtual reality technology mainly includes simulated environment, perceives
With the aspect such as sensing equipment.
With continuing to develop for virtual reality technology, virtual reality head-mounted display equipment has obtained great application, empty
Intend real head-mounted display equipment abbreviation VR equipment or VR aobvious or VR glasses, the vision using VR equipment by user to external world is sealed
Close, guiding user produces a kind of sensation in virtual environment, using the teaching of the invention it is possible to provide give user three-dimensional real visual effect.
Current VR equipment is only that programmed good virtual image is presented into user, and user can not add to virtual in itself
In image.For example, when same program is experienced using VR equipment, it is all different user in the actor model of virtual image
What producer had determined so that user itself substitutes into sense and has a greatly reduced quality, it is impossible to experience vivid effect on the spot in person.
The content of the invention
The problem for substituting into sense experience cannot be provided the user present invention aim to address existing virtual display device.
To achieve the above object, on the one hand, embodiments of the invention provide a kind of display device, including：
Scanning element, identification is scanned for the feature to target object, obtains scanning signal；
Modeling unit, for according to the scanning signal, generation to meet the 3D models of the feature of the target object；
Motion detection unit, the moving situation for detecting the target object, obtains action message；
Virtual display unit, for showing the 3D models in virtual image, and it is dynamic with described that the 3D models are presented
Make the motion state of information match.
Further, the scanning element includes：
Image control CCD camera, the scanning shoot for carrying out 360 degree to the target object, obtains the target object
Shooting image；
Image operation module, is built-in with default image processing algorithm, for according to described image Processing Algorithm, to described
The shooting image of target object carries out feature recognition and the collection of target object, obtains the scanning signal for generating 3D models.
Further, the CCD camera in the course of the work, is entered with 0.3 precision of pixel around the target object
Row movement, and its camera lens carries out rotary pursuit to the target object with 0.05 degree of precision, and in the time less than 10 milliseconds
Complete the scanning shoot of target object.
Further, the motion detection unit includes：
RF transmitter, is arranged on default anchor point, for launching infrared framing signal；
Infrared receiver, is arranged on target object, for receiving the infrared framing signal, and according to described infrared
The reception condition of framing signal, determines the difference of the target object and a reference distance；
First processor, for according to the target object and the difference of the reference distance having determined that, determining
Represent the movable information of the moving situation of the target object.
Further, the RF transmitter is additionally operable to launch infrared test signal；
The infrared receiver also with receiving infrared test signal, and according to the reception condition of infrared test signal, really
Make the change of the relative distance between the target object and the anchor point；
The first processor is additionally operable to, it is determined that before the movable information of the target object, controlling the infrared ray hair
Emitter launches infrared test signal, if infrared receiver determines that the target object is fixed with described by infrared test signal
Relative distance between site does not change, and unchanged duration is when reaching predetermined threshold value, it is determined that the target object is current
The distance between position and described RF transmitter are the reference distance, and control the infrared receiver transmitting infrared
Framing signal.
Further, the display device also includes：Micro-control unit, the micro-control unit includes：
Signal adjustment circuit, the action message for the motion detection unit to be detected carries out idealization extraction, bag
Include：Remove the signal burr of action message and/or insert default signal pulse to action message；
A/D change-over circuits, analog-to-digital conversion is carried out for will idealize the action message for extracting；
Timing synchronization circuit, for the action message after analog-to-digital conversion to be carried out into time-slot delay；
Second processing device, for the action message after time-slot delay to be sent to virtual display unit.
Further, the timing synchronization circuit is by way of increasing buffer time slots and/or signal and feeding back, to postpone mould
Action message after number conversion.
Further, the second processing device includes：
First buffer, the second buffer and transmitter；
First buffer is used to receiving and caching the action message that the timing synchronization circuit sends in the first time slot,
And be used to send its action message for having cached to the transmitter in the second time slot；Second buffer is used in the second time slot
In receiving and cache the action message that the timing synchronization circuit sends, and it is used to send it to the transmitter in the first time slot
The action message for having cached；When the work period of the second processing device includes that what is be alternately arranged is no less than the first of one respectively
Gap and the second time slot；
The transmitter is used to send its action message for receiving to the virtual display unit.
Further, the display device also includes：
Filter unit, for the movable information that the second processing device sends to be carried out into noise reduction；
The virtual display unit carries out the movable information after noise reduction specifically for receiving the filter unit.
Further, the display device also includes：
It is arranged at least one vibrating elements on the target object；
The touch feedback unit being connected respectively with least one vibrating elements, for the 3D in the virtual image
When model produces tactile data, gather the tactile data and generate corresponding touch feedback control signal to drive corresponding shaking
Dynamic element is vibrated, and the target object is given by touch feedback.
Such scheme of the invention has the advantages that：
The actual act of the 3D models coupling participants of participant can be together presented on virtual shadow by the solution of the present invention
As in, enable users to access the virtual environment experience for substituting into and feeling stronger, therefore with practical value very high.
Brief description of the drawings
Fig. 1 is the structural representation of display device of the invention；
Fig. 2 is the structural representation of the micro-control unit of display device of the invention；
Fig. 3 is the logic relation picture between the detailed construction of display device of the invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention cannot provide the user the problem for substituting into sense experience for existing virtual display device, there is provided one kind is solved
Scheme.
On the one hand, embodiments of the invention provide a kind of display device, as shown in figure 1, including：
Scanning element, identification is scanned for the feature to target object, obtains scanning signal；Wherein, target object
People or the thing participated in virtual image can be referred to, and quantity is not limited to one；
Modeling unit, for according to said scanning signals, generation to meet the 3D models of the feature of the target object；
Motion detection unit, the moving situation for detecting target object, obtains action message；
Virtual display unit, believes for showing above-mentioned 3D models in virtual image, and the 3D models being presented with action
The motion state of manner of breathing matching.
Obviously, the actual act of the 3D models coupling participants of participant can be together presented on virtual shadow by the present embodiment
As in, enable users to access the virtual environment experience for substituting into and feeling stronger, therefore with practical value very high.
The display device of the present embodiment is described in detail with reference to practical application.
Exemplarily, the scanning element of the present embodiment includes：Image control CCD camera and image operation module.
Wherein image control CCD camera is used to carry out target object 360 degree of scanning shoot, obtains the target object
Shooting image；Image operation module is built-in with default image processing algorithm, for according to image processing algorithm, to target object
Shooting image carry out feature recognition and collection, obtain the scanning signal for generating 3D models.
Specifically, the CCD camera of the present embodiment mainly includes：Photographic light sources, rotating lens, CCD camera and and image
Computing module it is corresponding input output interface, and by image capture, treatment related software be driven.
Used as preferably preferred scheme, CCD camera is in the course of the work, it is desirable to 0.3 precision surrounding target of pixel
Object is moved, and its camera lens carries out rotary pursuit to the target object with 0.05 degree of precision, and less than 10 milliseconds
Time complete the scanning shoot of target object, under the parameter, CCD camera can quick and granularity high ground obtain target object
360 degree of image, it is to avoid target object accidentally moves produced deviation during scanning shoot.
The built-in image processing algorithm of image operation module can with but not necessarily include：The related accumulation algorithm of image, plus
Weight average algorithm, cycle criterion algorithm and backoff algorithm etc., can be to the number outside target object in shooting image based on above-mentioned algorithm
According to effectively being filtered, only obtain the characteristic information of target object, it is ensured that the characteristic information for collecting it is different because of target object and
Accurately；For example if target object is people, then the feature recognition such as height is fat or thin, hair color, the colour of skin and dress and can carry
Take out, these characteristics are as said scanning signals.
Need exist for being described, the shooting image according to object determines the characteristic of object in the prior art
Just realize, therefore no longer citing is repeated.
It is determined that after scanning signal, modeling unit determines the 3D models of the feature of target object according to scanning signal.
In practical application, the 3D models of the feature of target object are not limited to only embody the profile of target object itself, such as mesh
Mark object be user in itself, then corresponding 3D models can also simultaneously embody the clothes of user and the equipment worn etc..This
Outward, 3D models might not reflect complete target object, using user as target object as a example by, finally determine
3D models can be a part for the bodies such as the arm of user, trunk.
It is determined that after 3D models, virtual display unit can be presented in virtual image.In actual applications, this reality
The virtual display unit for applying example can be virtual reality head-mounted display equipment, for example VR head-mounted displays, VR glasses etc..In void
While intending display unit work, the moving situation of motion detection unit real-time detection target object, by corresponding action message
Feed back to virtual display unit so that virtual display unit 3D models of control targe object in virtual image show correspondence
Action.
Specifically, the motion detection unit of the present embodiment includes：At RF transmitter, RF transmitter and first
Reason device.Wherein,
RF transmitter is arranged on default anchor point, for launching infrared framing signal；
Infrared receiver is arranged on target object, for receiving infrared framing signal, and according to infrared framing signal
Reception condition, determine the difference of the target object and a reference distance；
First processor determines the expression mesh according to the target object having determined that and the difference of the reference distance
Mark the movable information of the moving situation of object.
So that target object is as user as an example, in specific practical application is related to, the present embodiment can be the four of user
Infrared receiver is set on limb and trunk.Before starting to determine action message, user needs station static near anchor point
It is motionless, and keep the duration of a predetermined threshold value.Within user static this period, first processor can be by infrared receiver
The distance between device and RF transmitter as reference distance, determined based on the reference distance afterwards infrared receiver with
The relative change of distance between RF transmitter.
It is determined that normative reference is during this, first processor control RF transmitter transmitting infrared test signal,
Infrared receiver receives infrared test signal, and according to the reception condition of infrared test signal, determines user and anchor point
Between relative distance change.
If being determined by infrared test signal, the relative distance between user and anchor point does not change, and when unchanged
Length reach it is above-mentioned be previously mentioned predetermined threshold value when, then can determine user now transfixion be in order to etc. calibration to be positioned, this
When first processor determine target object current location (can also be each RF transmitter) and RF transmitter between
Distance is reference distance.After reference distance determination, infrared receiver can be controlled to launch infrared framing signal, formally to examine
Survey the movable information of user.
It is determined that after the movable information of user, the display device of the present embodiment is also needed to by a micro-control unit to adopting
To virtual display unit, the micro-control unit is mainly used in reduction action letter to the actuating signal classifying and selecting and synchronism output for collecting
Time delay number in transmitting procedure.
Specifically, as shown in Fig. 2 the micro-control unit of the present embodiment includes：
Signal adjustment circuit, the action message for motion detection unit to be detected carries out idealization extraction, including：Go
Default signal pulse is inserted except the signal burr of action message and/or to action message.Wherein, the signal of action message is removed
Burr can eliminate action message is influenceed produced disturbing pulse by other factors；And insert default signal pulse and then may be used
To increase the jamproof ability of action message.
A/D change-over circuits, analog-to-digital conversion is carried out for will idealize the action message for extracting；In actual applications, this reality
Apply example A/D change-over circuits can according to demand (such as data volume, processing speed and power consumption) in the processing data of 8bit and 10bit
Freely changed between amount, minimum resolution is 0.003V, switching rate >=1.3MSPS, adjusting range is 3.3V to the maximum；
Timing synchronization circuit, for the action message after analog-to-digital conversion to be carried out into time-slot delay；In actual applications, sequential
Synchronous circuit by way of increasing buffer time slots and/or signal and feeding back so that the action message time delay after analog-to-digital conversion is N number of whole
Cycle；
Second processing device, for the action message after time-slot delay to be sent to virtual display unit；Property is situated between as an example
Continue, second processing device is connected by netting twine with virtual display unit, and the action message data of big bandwidth are realized according to the netting twine
Transmission.Additionally, as a example by using user as target object, timing synchronization circuit delay N number of complete cycle, second processing device can be made
The action message that correspondence is produced can be in the lump sent to virtual display unit after one coherent action of user is finished, made
The 3D models obtained in virtual image can link up and the corresponding action of the presentation of smoothness.
Preferably, the second processing device of the present embodiment includes：
First buffer (such as SRAM SRAM), the second buffer (such as SRAM SRAM) and hair
Send device；
First buffer is used to receive and cache the action message of timing synchronization circuit transmission in the first time slot, and second
Time slot is used to send its action message for having cached to transmitter；
Second buffer is used to receive and cache the action message of timing synchronization circuit transmission in the second time slot, and first
Time slot is used to send its action message for having cached to transmitter；The work period of second processing device includes the difference being alternately arranged
The first time slot and the second time slot no less than one；
Transmitter is used to send its action message for receiving to virtual display unit.
Obviously in the second processing device of the present embodiment, the first buffer, the second buffer can be with forked workings, i.e., same
At one moment, it is responsible for for one receiving action message, one is responsible for transmitter sending action information.The programme of work, can be significantly
Improve the ability of processor processes data, it is to avoid when action message data volume is larger, influence the timely transmission of action message, can protect
The 3D models action that card virtual screen shows more levels off to consistent with the action of realistic objective object in sequential.
Certainly, the second processing device of the present embodiment is not limited to only set two buffers, as long as being to set different cachings
Device carries out the technical scheme of forked working, should all belong to protection scope of the present invention.
Additionally, with further reference to Fig. 2, the micro-control unit of this implementation can also include：
Memory, for backing up the action message for not yet being extracted by idealization, the action message is to enter as historical data
Row record, for follow-up associative operation.In actual applications, it is assumed that the display device of the present embodiment is used to train pilot driver
Aircraft, then the action message of corresponding most original there is certain estimated value.
Additionally, preferably, the display device of the present embodiment can also include：
Filter unit, for the movable information that second processing device sends to be carried out into noise reduction；Virtual display unit specifically for
The unit that accepts filter carries out the movable information after noise reduction, so as to improve the really degree of 3D models reduction target object action.
Additionally, the experience in order to further increase user, the display device of the present embodiment also includes：
It is arranged at least one vibrating elements on the target object；
The touch feedback unit being connected respectively with least one vibrating elements, produces for the 3D models in virtual image
During tactile data, gather tactile data and generate corresponding touch feedback control signal to drive corresponding vibrating elements to be shaken
It is dynamic, by touch feedback to target object.
Based on above-mentioned introduction, the logical construction relation of the display device of the present embodiment is as shown in Figure 3.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of display device, it is characterised in that including：
Scanning element, identification is scanned for the feature to target object, obtains scanning signal；
Modeling unit, for according to the scanning signal, generation to meet the 3D models of the feature of the target object；
Motion detection unit, the moving situation for detecting the target object, obtains action message；
Virtual display unit, for showing the 3D models in virtual image, and makes the 3D models present and the action letter
The motion state of manner of breathing matching.
2. display device according to claim 1, it is characterised in that
The scanning element includes：
Image control CCD camera, the scanning shoot for carrying out 360 degree to the target object, obtains the bat of the target object
Take the photograph image；
Image operation module, is built-in with default image processing algorithm, for according to described image Processing Algorithm, to the target
The shooting image of object carries out feature recognition and the collection of target object, obtains the scanning signal for generating 3D models.
3. display device according to claim 2, it is characterised in that
The CCD camera in the course of the work, is moved with 0.3 precision of pixel around the target object, and its mirror
Head carries out rotary pursuit to the target object with 0.05 degree of precision, and completes target object in the time less than 10 milliseconds
Scanning shoot.
4. display device according to claim 1, it is characterised in that
The motion detection unit includes：
RF transmitter, is arranged on default anchor point, for launching infrared framing signal；
Infrared receiver, is arranged on target object, for receiving the infrared framing signal, and according to the infrared positioning
The reception condition of signal, determines the difference of the target object and a reference distance；
First processor, for according to the target object and the difference of the reference distance having determined that, determining expression
The movable information of the moving situation of the target object.
5. display device according to claim 4, it is characterised in that
The RF transmitter is additionally operable to launch infrared test signal；
The infrared receiver is also used and receives infrared test signal, and according to the reception condition of infrared test signal, is determined
The change of the relative distance between the target object and the anchor point；
The first processor is additionally operable to, it is determined that before the movable information of the target object, controlling the RF transmitter
Transmitting infrared test signal, if infrared receiver determines the target object with the anchor point by infrared test signal
Between relative distance do not change, and unchanged duration is when reaching predetermined threshold value, it is determined that the target object current location
It is the reference distance with the distance between the RF transmitter, and controls the infrared receiver to launch infrared positioning
Signal.
6. display device according to claim 1, it is characterised in that also include：
Micro-control unit, the micro-control unit includes：
Signal adjustment circuit, the action message for the motion detection unit to be detected carries out idealization extraction, including：Go
Default signal pulse is inserted except the signal burr of action message and/or to action message；
A/D change-over circuits, analog-to-digital conversion is carried out for will idealize the action message for extracting；
Timing synchronization circuit, for the action message after analog-to-digital conversion to be carried out into time-slot delay；
Second processing device, for the action message after time-slot delay to be sent to virtual display unit.
7. display device according to claim 6, it is characterised in that
The timing synchronization circuit is dynamic after analog-to-digital conversion to postpone by way of increasing buffer time slots and/or signal feedback
Make information.
8. display device according to claim 6, it is characterised in that
The second processing device includes：
First buffer, the second buffer and transmitter；
First buffer is used to receiving and cache the action message that the timing synchronization circuit sends in the first time slot, and
Second time slot is used to send its action message for having cached to the transmitter；Second buffer is used to connect in the second time slot
The action message that the timing synchronization circuit sends is received and cached, and has been delayed for sending it to the transmitter in the first time slot
The action message deposited；The work period of the second processing device include be alternately arranged respectively no less than one the first time slot and
Second time slot；
The transmitter is used to send its action message for receiving to the virtual display unit.
9. display device according to claim 6, it is characterised in that also include：
Filter unit, for the movable information that the second processing device sends to be carried out into noise reduction；
The virtual display unit carries out the movable information after noise reduction specifically for receiving the filter unit.
10. display device according to claim 1, it is characterised in that also include：
It is arranged at least one vibrating elements on the target object；
The touch feedback unit being connected respectively with least one vibrating elements, for the 3D models in the virtual image
When producing tactile data, gather the tactile data and generate corresponding touch feedback control signal to drive corresponding vibration unit
Part is vibrated, and the target object is given by touch feedback.
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Cited By (1)
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| CN111178127A (en) * | 2019-11-20 | 2020-05-19 | 青岛小鸟看看科技有限公司 | Method, apparatus, device and storage medium for displaying image of target object |
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| CN111178127B (en) * | 2019-11-20 | 2024-02-20 | 青岛小鸟看看科技有限公司 | Method, device, equipment and storage medium for displaying image of target object |
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| CN106774935B (en) | 2020-03-31 |
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