CN106713892B - A kind of display methods of VR equipment and VR equipment - Google Patents
A kind of display methods of VR equipment and VR equipment Download PDFInfo
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- CN106713892B CN106713892B CN201611247902.0A CN201611247902A CN106713892B CN 106713892 B CN106713892 B CN 106713892B CN 201611247902 A CN201611247902 A CN 201611247902A CN 106713892 B CN106713892 B CN 106713892B
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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
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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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
- H04N13/189—Recording image signals; Reproducing recorded image signals
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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
- H04N13/30—Image reproducers
- H04N13/363—Image reproducers using image projection screens
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Abstract
The present invention provides a kind of display methods of VR equipment, includes the following steps：VR equipment generates video display signal；Video display signal is reappeared in the form of line holographic projections around user, forms dynamic projection image；VR equipment synchronizes generation background video signal；Background video signal is reappeared in the form of line holographic projections in side of the dynamic projection image far from user, forms background projection image；In a display cycle, background projection image has single color, and background projection image has different color character parameters from dynamic projection image.A kind of VR equipment is also disclosed.The present invention passes through in separate background projection image of the side projection with different color characteristic parameter of dynamic projection image so that the dynamic projection image of front side is more clearly viewed, and human eye is not in dizzy or tired departing from the pattern of static focus.It is not interfered by available light, has the advantages that display effect is good.
Description
Technical field
The present invention relates to the display methods and a kind of use of technical field of virtual reality more particularly to a kind of VR equipment
The VR equipment of the VR equipment display methods.
Background technology
Virtual reality technology as human-computer interaction a kind of new means and solve the problems, such as the new paragon in real world, it
Caused innovation is very extensive, and at present, virtual reality technology is in aerospace, Machine Design, scientific algorithm, video display joy
The numerous areas such as happy, chemical medicine and military training play an important role, some can not be substituted using even other technologies
's.
There are two key features, i.e. dipped type and interactivity for virtual reality system tool.Dipped type refers to that user feels empty
Intend the world to be surrounded, just look like to be fully immersed into one kind of, user can see the scene of variation.Interactivity refers to that user can pass through
Naturally action and the object of virtual world interact.Common way is using a helmet, by tracking user
The visual effect of human-computer interaction and immersion is realized in the movement on head, hand.In order to achieve the effect that immersion, helmet equipment leads to
It can often stop natural light, human eye only checks screen, and when the brightness that screen is kept is higher, eyes can be caused stronger
Radiation.Moreover, because the helmet construction limitation, display the distance between screen and human eye only about 25cm to 50cm, and
Distance is fixed.Human eye is closely watched for a long time under fixed focal length, and user can be caused rocky sense of discomfort occur, and
It can strengthen the injury of Radiation On Human eye.
Therefore, the helmet of the prior art, which exists, easily causes having a dizzy spell occurs in user to wait malaise symptoms and have to eyes
The drawbacks of injury.
Invention content
The present invention provides a kind of display methods of VR equipment, to overcome in the prior art VR show it is easy so that user goes out
It now has a dizzy spell and waits malaise symptoms and have the problem of injury to eyes.
The present invention provides a kind of display methods of VR equipment, includes the following steps：
VR equipment generates video display signal；
The video display signal is reappeared in the form of line holographic projections around user, forms dynamic projection image；
VR equipment synchronizes generation background video signal；
The background video signal is reappeared in the form of line holographic projections in the side of the dynamic projection image far from user,
Form background projection image；
In a display cycle, the background projection image have single color, the background projection image with it is described
Dynamic projection image has different color character parameters.
Further, it is further comprising the steps of：
VR equipment generates video display signal by following steps：
Receive the audio-video signal of processor generation；
The audio-video signal is pre-processed, isolates audio signal and vision signal；
The 2D vision signals isolated are converted into 3D vision signals；
It is converted into 3D vision signals and specifically includes following steps：
The left eye generated according to the 2D vision signals is exported respectively by the first video frequency channel and the second video frequency channel to regard
Frequency signal and right eye vision signal;
Synthesize left-eye video signal and right eye vision signal generation 3D vision signals；
The 3D vision signals are video display signal.
Further, it is further comprising the steps of：
After generating the video display signal, the RGB data of image color in the video display signal is extracted, according to institute
It states the color character parameter of RGB data generation video display signal and records；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets institute
The color character parameter for stating background video signal is not equal to the color character parameter of the video display signal.
It is further comprising the steps of as another alternative：
After generating the video display signal, the HSV data of image color in the video display signal are extracted, according to institute
It states the color character parameter of HSV data generation video display signal and records；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets institute
The color character parameter for stating background video signal is not equal to the color character parameter of the video display signal.
Further, it is further comprising the steps of：
The color character parameter for generating video display signal is further comprising the steps of：
The tone data of multicolour in the video display signal is extracted, according to tone data to the plurality of color that extracts
Coloured silk is classified, and the proportion per a kind of color in the video display signal is calculated according to classification；To proportion into
Row sequence, selects the tone range section of a kind of color of proportion maximum as tone characteristics parameter, the tone characteristics
Color character parameter of the parameter as video display signal；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets institute
The tone value of single color used by background video signal is stated not equal to any one in the tone characteristics parameter section
Tone value.
Preferably, the multicolour in the video display signal is divided by six tone classifications according to tone data, with
On the basis of 0 °, every 60 ° are a tone classification；Every a kind of color is calculated respectively in the video display signal according to six classifications
In proportion, and proportion is ranked up, selects the tone classification of a kind of color of proportion maximum as color
Characteristic parameter is adjusted, the tone characteristics of the tone value of single color and video display signal are joined used by the background video signal
Number is not belonging to the same tone classification.
Preferably, the background video signal is reappeared separate in the dynamic projection image in the form of single side line holographic projections
The side of user forms background projection image.
The display methods of VR equipment disclosed in this invention, by having not in the separate side projection of dynamic projection image
With the background projection image of color characteristic parameter, the dynamic projection image of front side can be allowd more clearly to be viewed,
Human eye will not occur dizzy or tired departing from the pattern of static focus due to long-time viewing.Due to background projection image
It is generated with dynamic projection image synchronization so that the image that user sees in field range is respectively provided with a monochromatic background, no
It is interfered by available light, has the advantages that display effect is good.
A kind of VR equipment is also disclosed simultaneously, including：
First projection module, first projection module are used for the video display signal of receiving device generation, and with holography
The form of projection is reappeared in front of user, forms dynamic projection image；
Second projection module, second projection module is for synchronous generation background video signal, the background video letter
In side of the dynamic projection far from user number in the form of line holographic projections, background projection image is formed；
Color adjustment module, the color adjustment module were used in a display cycle, kept the background plane figure
As with single color and the dynamic projection image from the background projection image with different color character parameters.
Further, video generation module is further included, the sound that the video generation module is used to receive processor generation regards
Frequency signal isolates vision signal and is converted into 3D signals, to generate video display signal.
Further, the color adjustment module includes color character parameter generating unit, the color character parameter life
It is used to extract the image color in the video display signal, and color character parameter is generated according to image color into module.
VR equipment disclosed in this invention passes through the combined imaging mode of dynamic projection image and background projection image, tool
There is one kind to clearly indicate effect, effectively overcoming the VR helmets of the prior art easily makes user the situation of having a dizzy spell occur
Problem.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart of the first embodiment of VR equipment display methods disclosed in this invention；
Fig. 2 is the flow chart of second of embodiment of VR equipment display methods disclosed in this invention；
Fig. 3 is a kind of structural schematic block diagram of embodiment of VR equipment disclosed in this invention.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts shall fall within the protection scope of the present invention.
Flow chart shown in Figure 1 for the first embodiment of VR equipment display methods disclosed in this invention.As schemed
Show, the display methods of the VR equipment disclosed in the present embodiment includes the following steps, VR equipment generation video display signal.To one
For a common virtual reality system, about the vision of virtual environment and acoustic information described in output signal, it is also possible to
Include tactile data.In the present embodiment, the video display signal of VR equipment generation can be a kind of single view, can also be
The dynamical feedback view generated after the status information of object in feedback virtual environment.
It is different from imaging on display in the prior art in the helmet, in the present embodiment, the video of VR equipment generation
It shows that signal is reappeared by the form of line holographic projections around user, forms dynamic projection image.With line holographic projections image repetition
Dynamic projection image, dependent on line holographic projections optical module realize.For ease of description, the first line holographic projections optical module is denoted as,
The first line holographic projections optical module includes the first Projection optics and the second imaging surface, wherein the first imaging surface is formed in use
Around family, the first line holographic projections optical module is connect with the processor of VR equipment, receives the video display letter of the processor generation
Number.First imaging surface may be used pyramidal lens or using holographic film and the combination of add ons, described attached
Part element is mainly the support construction of holographic film, forms the space medium screen of projection.First line holographic projections optical module includes light
The optical elements such as modulator, prism, lens.The specific implementation that line holographic projections are reappeared can utilize appointing disclosed in the prior art
It anticipates a kind of algorithm or method, is not the main improvement of the present invention, details are not described herein.
It is different from any one disclosed VR equipment in the prior art, generate video display signal and in VR equipment with holography
While the form of projection is reappeared around user, VR equipment synchronizes generation background video signal all the way.Background video signal is same
Sample is reappeared in the form of line holographic projections, is imaged on side of the dynamic projection image far from user, forms the back of the body of dynamic projection image
Scape projected image.In a display cycle, background projection image has single color.And the background projection image with it is described
Dynamic projection image has different color character parameters.Display cycle can be set according to eye recognition interval, human eye
Identification interval can be the retention time that human eye vision persists, and usually 0.25 second, can also need actively to set according to using
For 5 seconds, 10 seconds or other fixed cycles.Color character parameter preferably refers in particular to the RGB coordinates of image or HSV parameters.
The generation of background projection image is realized dependent on another set of line holographic projections optical module, for ease of description, is denoted as the
Two line holographic projections optical modules.Second line holographic projections optical module includes the second Projection optics and the second imaging surface, wherein second
Imaging surface is formed on rear side of the first imaging surface.The distance between first imaging surface and the second imaging surface are adjustable.Second imaging surface
It is connect with the processor of VR equipment, receives the video display signal of the processor generation, the second imaging surface preferably uses plane
The composite structure of glass and holographic film forms the screen of projection.Second line holographic projections optical module include optical modulator, prism, thoroughly
The optical elements such as mirror.Similar with dynamic projection image, the specific implementation that line holographic projections are reappeared can utilize institute's public affairs in the prior art
Any one algorithm or method opened are not the main improvements of the present invention, and details are not described herein.Background video signal preferably with
The form of single side line holographic projections is reappeared in side of the dynamic projection image far from user, forms background projection image.Single side is holographic
Projection can protrude the image that prospect is shown, conducive to the display effect of prospect dynamic image is improved.
The image space of dynamic projection image is set according to the field range of people, and usual binocular visual field's horizontal direction is 100 °
Range intervals, vertically to the range intervals for 60 °.Therefore, on the basis of human eye, the image space of dynamic projection image is in visual field
In the range of, the distance apart from human body is no more than 5 meters.The distance between background projection image and dynamic projection image can be according to realities
Border needs to be adjusted.The area of background projection image be more than dynamic projection image background projection image throwing in the plane
Shadow area.
It, can by having the background projection image of different color characteristic parameter in the separate side projection of dynamic projection image
So that the dynamic projection image of front side can be more clearly viewed, human eye is departing from the pattern of static focus, Bu Huiyou
Occur in long-time viewing dizzy or tired.Since background projection image and dynamic projection image synchronization generate so that user
The image seen in field range is respectively provided with a monochromatic background, is not interfered by available light, good with display effect
The advantages of.
The flow chart of display methods second of embodiment shown in Figure 2 for VR equipment disclosed in this invention is such as schemed
Shown, the video display signal for generating dynamic projection image is generated by following steps, first, receives processor generation
Audio-video signal pre-processes audio-video signal, wherein audio signal and vision signal are isolated all the way, by what is isolated
2D vision signals are converted into 3D vision signals.
2D vision signals are converted into 3D vision signals to realize by following steps,
The right eye generated according to the 2D vision signals is exported respectively by the first video frequency channel and the second video frequency channel to regard
Frequency signal and left-eye video signal synthesize left-eye video signal and right eye vision signal generation 3D vision signals, 3D vision signals
For video display signal.The specific algorithm and synthesis of generation left-eye video signal and right eye vision signal are converted into 3D videos
The algorithm disclosed in the prior art may be used in the image processing method of signal, does not describe in detail herein.
The audio signal that another way is isolated is passed through by processing of circuit such as audio frequency processing circuit, CODEC codecs
The loud speaker of VR equipment or the earphone output being connect with VR equipment, play sound.
In order to realize background of the dynamic projection image generation with different color characteristic parameter shown automatically according to prospect
Projected image, the present invention provides the control modes that at least two automatically generate background projection image color.
The first control mode is, after the video display signal is generated, extracts image color in video display signal
RGB data, according to RGB data generate video display signal color character parameter and record.In a display cycle, depending on
Frequency shows that the color in signal is diversified, and therefore, it is necessary to classify to the color in image.A kind of optional mode
It is that there are one maximum values for tool in the RGB coordinates of each color.For example, if the R in the RGB coordinates of the first color is sat
Marking has maximum value, and the R coordinates in the RGB coordinates of second of color also have maximum value, then the first color and second of color
Coloured silk belongs to same class.Color in image is divided into, and calculate per a kind of color by R, G, B three categories according to the numerical value of RGB coordinates
Proportion.And one kind of proportion maximum as the color character parameter of video display signal and is recorded.
VR equipment is while the color character parameter for obtaining video display signal, synchronous generation background video signal.If
The color character parameter for determining background video signal is not equal to the color character parameter of the video display signal.For example, such as
Fruit R coordinates for maximum value color in video display signal proportion highest, it may be considered that in video display signal
It is leading with red, therefore, setting a G coordinate or B coordinates has the color of maximum value as the single of background video signal
Color shows the contrast of signal colour to embody video display signal and background, realizes with the technology centainly clearly shown
Effect.
Second of control mode is, after the video display signal is generated, extracts image color in video display signal
HSV data, and preferably extract video display signal in tone data.According to tone data to the multicolour that extracts into
Row classification calculates the proportion per a kind of color in the video display signal according to classification.To shared by every a kind of color
Ratio is ranked up, and selects the tone range section of a kind of color of proportion maximum as tone characteristics parameter, the color
Adjust color character parameter of the characteristic parameter as video display signal.VR equipment is in the color character ginseng of generation video display signal
During number, synchronous generation background video signal, the tone value for setting single color used by the background video signal is not equal to
Any one tone value in the tone characteristics parameter section.
Preferably, every 60 degree of setting tone value is one kind, six classes is divided into from the range of 0 degree to 360 degree, 0 degree of correspondence is red
Color, 120 degree of corresponding greens, 240 degree of corresponding blues, other three points correspond to trichromatic complementary color respectively.By collected video
Multicolour in display image is sorted out according to tone, and calculates the proportion for the color for being under the jurisdiction of every one kind, chooses wherein
The tone interval value of one classification of proportion maximum is as tone characteristics parameter.For example, if the image extracted
Color falls into the color most species of the tone range of 0 to 60 degree, then it is assumed that this classification is dominant hue, automatically generates one
Tone value of the single color different from the tone classification as background video signal.
Using the display methods of the VR equipment disclosed in the present embodiment, can be automatically generated according to prospect dynamic projection image
The different color of one color character parameter as background projection image, keeps single color constant in a display cycle,
Realize Auto-matching so that dynamic projection image can be clearly indicated always during display.
The present invention discloses a kind of VR equipment, as shown in figure 3, including：
First projection module 4, first projection module 4 are used for the video display signal of receiving device generation, and with complete
The form of breath projection is reappeared in front of user, forms dynamic projection image A；
Second projection module 5, second projection module 5 is for synchronous generation background video signal, the background video
Signal, in side of the dynamic projection far from user, forms background projection image B in the form of line holographic projections；
Color adjustment module 3, the color adjustment module 3 were used in a display cycle, kept the background plane
Image B joins with single color and the dynamic projection image A from the background projection image B with different color characters
Number.
Further, it further includes：
Video generation module 1 is further included, the video generation module 1 is used to receive the audio-video signal of processor generation,
It isolates vision signal and is converted into 3D signals, to generate video display signal.
Video generation module 1 further comprises signal separation unit 11, for receiving the audio-video signal of processor generation
And isolate audio signal and vision signal.Wherein audio signal is further handled by audio-frequency signal processing module 2.
Vision signal converting unit 12 receives vision signal, and is further divided by split screen signal generation unit 13 logical
Cross the left eye signal of the first video frequency channel transmission and the right eye signal of the second video frequency channel transmission.
Left eye signal is synthesized by image composing unit 14 and right eye signal generates video display signal.
A more specific step says that the color adjustment module 3 includes color character parameter generating unit, the color character
Parameter generating unit is used to extract the image color in the video display signal, and generate color character ginseng according to image color
Number.
The specific method of color character parameter is generated referring to the detailed description of above-mentioned second embodiment, details are not described herein
VR equipment disclosed in this invention passes through the combined imaging mode of dynamic projection image and background projection image, tool
There is one kind to clearly indicate effect, effectively overcoming the VR helmets of the prior art easily makes user the situation of having a dizzy spell occur
Problem.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic；
And these modification or replace, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of display methods of VR equipment, which is characterized in that include the following steps：
VR equipment generates video display signal；
The video display signal is reappeared in the form of line holographic projections around user, forms dynamic projection image；
VR equipment synchronizes generation background video signal；
The background video signal is reappeared in the form of line holographic projections in the side of the dynamic projection image far from user, is formed
Background projection image；
In a display cycle, the background projection image has single color, the background projection image and the dynamic
Projected image has different color character parameters.
2. the display methods of VR equipment according to claim 1, which is characterized in that further comprising the steps of：
VR equipment generates video display signal by following steps：
Receive the audio-video signal of processor generation；
The audio-video signal is pre-processed, isolates audio signal and vision signal；
The 2D vision signals isolated are converted into 3D vision signals；
It is converted into 3D vision signals and specifically includes following steps：
It is exported by the first video frequency channel and the second video frequency channel and is believed according to the left-eye video that the 2D vision signals generate respectively
Number and right eye vision signal;
Synthesize left-eye video signal and right eye vision signal generation 3D vision signals；
The 3D vision signals are video display signal.
3. the display methods of VR equipment according to claim 2, which is characterized in that further comprising the steps of：
After generating the video display signal, the RGB data of image color in the video display signal is extracted, according to described
The color character parameter of RGB data generation video display signal simultaneously records；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets the back of the body
The color character parameter of scape vision signal is not equal to the color character parameter of the video display signal.
4. the display methods of VR equipment according to claim 2, which is characterized in that further comprising the steps of：
After generating the video display signal, the HSV data of image color in the video display signal are extracted, according to described
The color character parameter of HSV data generation video display signal simultaneously records；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets the back of the body
The color character parameter of scape vision signal is not equal to the color character parameter of the video display signal.
5. the display methods of VR equipment according to claim 4, which is characterized in that further comprising the steps of：
The color character parameter for generating video display signal is further comprising the steps of：
Extract the tone data of multicolour in the video display signal, according to tone data to the multicolour that extracts into
Row classification calculates the proportion per a kind of color in the video display signal according to classification；Proportion is arranged
Sequence selects the tone range section of a kind of color of proportion maximum as tone characteristics parameter, the tone characteristics parameter
Color character parameter as video display signal；
For VR equipment in the color character parameter for generating video display signal, synchronous generation background video signal sets the back of the body
The tone value of single color is not equal to any one tone in the tone characteristics parameter section used by scape vision signal
Value.
6. the display methods of VR equipment according to claim 5, which is characterized in that shown the video according to tone data
Show that the multicolour in signal is divided into six tone classifications, on the basis of 0 °, every 60 ° are a tone classification；According to six classes
It does not calculate the proportion per a kind of color in the video display signal respectively, and proportion is ranked up, select
The tone classification of a kind of color of proportion maximum is single used by the background video signal as tone characteristics parameter
The tone value of color and the tone characteristics parameter of video display signal are not belonging to the same tone classification.
7. the display methods of VR equipment according to any one of claims 1 to 6, which is characterized in that the background video letter
It reappears number in the form of single side line holographic projections in the side of the dynamic projection image far from user, forms background projection image.
8. a kind of VR equipment, which is characterized in that including：
First projection module, first projection module are used for the video display signal of receiving device generation, and with line holographic projections
Form reappear in front of user, formed dynamic projection image；
Second projection module, second projection module for synchronous generation background video signal, the background video signal with
The form of line holographic projections is in side of the dynamic projection far from user, formation background projection image；
Color adjustment module, the color adjustment module were used in a display cycle, and the background projection image is kept to have
There is single color and the dynamic projection image has different color character parameters from the background projection image.
9. the display methods of VR equipment according to claim 8, it is characterised in that：
Video generation module is further included, the video generation module is used to receive the audio-video signal of processor generation, isolates
Vision signal is simultaneously converted into 3D signals, to generate video display signal.
10. the display methods of VR equipment according to claim 9, it is characterised in that：
The color adjustment module includes color character parameter generating unit, and the color character parameter generation module is used to extract
Image color in the video display signal, and color character parameter is generated according to image color.
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| CN105302288A (en) * | 2014-06-23 | 2016-02-03 | 镇江魔能网络科技有限公司 | Autostereoscopic virtual reality display system and platform |
| CN105629653A (en) * | 2016-04-07 | 2016-06-01 | 廖小烽 | Interactive holographic projection method on the basis of three-dimensional model |
| CN105794202A (en) * | 2013-09-12 | 2016-07-20 | 文塔纳3D有限责任公司 | Depth key compositing for video and holographic projection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794202A (en) * | 2013-09-12 | 2016-07-20 | 文塔纳3D有限责任公司 | Depth key compositing for video and holographic projection |
| CN105302288A (en) * | 2014-06-23 | 2016-02-03 | 镇江魔能网络科技有限公司 | Autostereoscopic virtual reality display system and platform |
| CN105629653A (en) * | 2016-04-07 | 2016-06-01 | 廖小烽 | Interactive holographic projection method on the basis of three-dimensional model |
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