CN102231842A - 3D (three-dimensional) video display system and method as well as 3D display device and 3D spectacles - Google Patents
3D (three-dimensional) video display system and method as well as 3D display device and 3D spectacles Download PDFInfo
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Abstract
The invention relates to a 3D video display system and method as well as a 3D display device and 3D spectacles. The method comprises the following steps of: receiving 3D videos input from multiple channels; controlling the display device to display 3D video images from all the channels at different time; and when the display device displays 3D video images from one channel at a certain time, opening the left eyeglasses or/and right eyeglasses of 3D spectacles of users watching the 3D video images from the channel synchronously and closing the 3D spectacles of other users, so that all users can watch 3D or 2D videos from the respective channels. By utilizing the 3D video display system and method provided by the invention, 3D videos from multiple channels can be displayed on one display device, and the users can select preferable 3D videos from multiple channels, can change the 3D videos into a 2D watching mode, thereby improving the user experience.
Description
Technical field
The present invention relates to 3D Display Technique field, relate in particular to a kind of multichannel 3D video display system, method and 3D display unit and 3D glasses.
Background technology
3D (3Dimension, 3 dimensions) shows with respect to 2D and shows, can give the third dimension in a kind of space of people, makes the people that sensation on the spot in person be arranged, and therefore, the development of 3D Display Technique has brought revolutionary variation for the Display Technique field.Show the field at TV, occurred polarization type 3D TV and initiatively fast gate-type 3D TV etc. at present.Initiatively fast gate-type 3D TV in use, the user need wear active shutter glasses, shutter glasses receives the synchronizing signal that transmission of television is come, realize the switch of left eyeglass and right eyeglass is controlled based on this signal, video image in the initiatively fast gate-type 3D TV is with the video image of very fast refreshing frequency Alternation Display right and left eyes, the left eye picture that makes left eyeglass see to show on the video screen, right eyeglass is seen the right eye picture that shows on the video screen, thereby obtains 3D effect.Because when the refreshing frequency of image is reaching 60HZ (Hertz, hertz) after, just left eye and right eye do not have tangible shake sense and flickering, in order to reach and to watch 2D video same number of frames and image quality, therefore the refreshing frequency of initiatively fast gate-type 3D TV generally can reach 120HZ or higher.
Except at the 3D TV, in 3D computer and 3D projection field, also can satisfy under the situation of refreshing frequency, input 3D vision signal, and realize that by wearing a secondary active shutter glasses 3D shows, but most above product is all only supported to show a passage 3D video at present, and all users can only watch same set of 3D video frequency program simultaneously.
Summary of the invention
Main purpose of the present invention is to provide a kind of 3D video display system and the method that can watch many cover 3D videos on same display device.
In order to realize goal of the invention, the invention provides a kind of 3D video display system, it comprises display unit, image processing apparatus and 3D glasses, wherein:
Described display unit comprises display device and image processing apparatus, and described display device is used to the 3D video that shows that a plurality of passages are imported;
Described image processing apparatus, be connected with described display device, 3D video according to a plurality of passage inputs is controlled the 3D video image that described display device timesharing shows all passages, and when described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence, the left eyeglass of 3D glasses of watching this passage 3D video with control is or/and the switching of right eyeglass makes each user watch the video of passage separately;
Described 3D glasses are used to receive the frame identification id signal that image processing apparatus is exported, and open and close left eyeglass or/and right eyeglass according to this frame identification id signal.
Preferably, described image processing apparatus comprises:
Image processing module is used to receive the 3D video of a plurality of passage inputs and be converted to 3D video left-right frames series;
Control module is used for described 3D video left-right frames series is sent to display device in order and produces 3D frame of video reference signal synchronously;
Frame ID module is used for described 3D frame of video reference signal is converted to frame identification id signal;
Transport module is used for sending described frame identification id signal to described 3D glasses.
Preferably, described 3D glasses comprise a parsing module, are used to resolve the frame identification id signal that receives, and convert the switching signal that control left and right sides eyeglass opens and closes to.
Preferably, described transport module sends frame identification id signal to described 3D glasses by bluetooth, infrared, radio frequency or Wi-Fi mode.
Preferably, described 3D glasses are provided with channel selecting button and/or 3D/2D switching push button, and described channel selecting button is used for selecting one at all passages and watches passage, and described 3D/2D switching push button is used for switching at 3D watching mode and 2D watching mode.
Preferably, described multichannel is two passages.
The present invention also provides a kind of 3D video display devices, comprising:
Display device is used to the 3D video that shows that a plurality of passages are imported;
Image processing apparatus, be connected with described display device, 3D video according to a plurality of passage inputs, control the 3D video image that described display device timesharing shows all passages, and when described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence.
The present invention also provides a kind of 3D glasses, and it comprises:
Receiver module is used for received frame identification id signal;
Parsing module is used to resolve the frame identification id signal that receives, and converts the switching signal that control left and right sides eyeglass opens and closes to, makes the user can watch the video of respective channel.
The present invention also provides a kind of 3D image display method, may further comprise the steps:
At a plurality of passage input 3D videos;
The timesharing of control display device shows the 3D video image of all passages;
When described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence;
The 3D glasses receive described frame identification id signal, and according to the switching of this frame identification id signal controlling left and right sides eyeglass.
Preferably, described when described display device at a time shows the 3D video image of a certain passage, the frame identification id signal of exporting this image correspondence specifically comprises:
Receive the 3D video of a plurality of passage inputs and be converted to 3D video left-right frames series;
Described 3D video left-right frames series is sent to display device in order and produces 3D frame of video reference signal synchronously;
Described 3D frame of video reference signal is converted to frame identification id signal;
Send described frame identification id signal to the 3D glasses.
Preferably, described 3D glasses receive described frame identification id signal, and comprise according to the switching of this frame identification id signal controlling left and right sides eyeglass:
Received frame identification id signal;
Resolve described frame identification id signal, and convert the switching signal that control left and right sides eyeglass opens and closes to, make each user watch the video of passage separately.
3D video display system, method and 3D display unit and 3D glasses that the present invention proposes, can be on same display device, the 3D video that shows a plurality of passages, promptly show many cover 3D programs, satisfied the demand that different user is watched different 3D videos, and the user need separately can to select the 3D video watched in a plurality of passages, also 3D video conversion 2D watching mode can have been improved user's experience.
Description of drawings
Fig. 1 is the structural representation of two passage 3D video display systems in the embodiment of the invention;
Fig. 2 is two passage 3D video display system signal schematic representations in the embodiment of the invention;
Fig. 3 is an embodiment of the invention 3D image display method schematic flow sheet;
Fig. 4 is two passage 3D image display method schematic flow sheets in the embodiment of the invention.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The technical scheme of the embodiment of the invention is by receiving the 3D video of a plurality of passage inputs, and the timesharing of control display device shows the 3D video image of all passages, and when display device at a time shows the 3D video image of a certain passage, the left eyeglass of opening the employed 3D glasses of user of watching this passage 3D video synchronously is or/and right eyeglass, and close the 3D glasses that other users use, make each user watch the 3D or the 2D video of passage separately.
Alleged among the present invention " image " is meant a frame picture, " video " is meant the image of a series of static state, " video " is made up of several " images ", wherein the 3D video image is made up of left picture image and right picture image, left side picture image only offers user's left eye, and right picture image only offers user's right eye.
Fig. 1 is a 3D video display system structural representation in the embodiment of the invention, as shown in Figure 1, this system comprise the 3D video that is used to show a plurality of passages inputs display device 1, connect the image processing apparatus 2 of display device 1 and offer the 3D glasses 3 that a plurality of users of watching different passage 3D videos use.
Wherein, image processing apparatus 2 comprises image processing module 21, control module 22, frame ID module 23 and transport module 24; Image processing module 21 receives the 3D vision signal of a plurality of passage inputs and is converted to 3D video left-right frames series, control module 22 sends 3D video left-right frames series in order to display device 1 and produces 3D frame of video reference signal synchronously, frame ID module 23 is converted to frame identification id signal with 3D frame of video reference signal, and transport module 24 sends frame identification id signal to switch that 3D glasses 3 are controlled 3D glasses 3 eyeglasses by the mode of radio frequency.Transport module 24 also can send frame identification id signal to 3D glasses 3 by the control mode of other modes such as bluetooth, infrared, Wi-Fi (Wireless Fidelity) or software.By above-mentioned processing, image processing apparatus 2 can produce corresponding with it frame identification id signal by corresponding each two field picture.
When display device 1 at a time shows the 3D video image of a certain passage, the eyeglass switching signal also can be opened the right eyeglass 312 and the left eyeglass 311 of the employed 3D glasses 31 of user of watching this passage 3D video synchronously simultaneously, and close the 3D glasses 32 that other users use, select this moment the user of this passage can watch the 2D video pictures of this passage.At next constantly, the glasses switching signal is opened the right eyeglass 322 and the left eyeglass 321 of the employed 3D glasses 32 of user of watching another passage 3D video synchronously simultaneously, watches this moment the user of another passage can watch the 2D video pictures of this passage.One 3D/2D switching push button (not indicating among the figure) also can be set on 3D glasses 3 is used for making the user to switch at 3D watching mode and 2D watching mode.When the user selects the 3D watching mode, what the user watched is the interior 3D video pictures of place passage, and video pictures is a 3D effect, when the user selects the 2D watching mode, what the user watched is the interior 2D video pictures of place passage, and video pictures is the 2D effect of 3D video.
Because all being the physics resolution with identical display device 1, multichannel 3D video left-right frames series on display device, shows, so, be different from 2D and show that PIP/POP (Picture inPicture/Picture out Picture, the picture-in-picture/picture out picture) Display Technique on the product can reduce the resolution of visible image content or reduction sprite.Multichannel 3D video display technology of the present invention, the 3D video of all passages can be showed best, identical picture physics definition and quality to the user.
Be that example is further illustrated in conjunction with Fig. 1 and Fig. 2 with two passages below.
As shown in Figure 1, the image of the 3D video left and right sides image frame form in passage A and the channel B is input to image processing module 21.Image processing module 21 is stored in DDR (Double Data Rate with the passage A of reception and the 3D video pictures of channel B input, the Double Data Rate synchronous DRAM) in, separate the 3D format analysis processing then, display device 1 needs to support how high frame frequency requirement, can calculate thus: the refreshing frequency of watching picture of supposing not glimmer is Fr, show that 3D video channel number is n, then display device 1 needs to support that the frame frequency that shows is Fr*n*2 (HZ), owing to be to watch the 3D video, watch picture not dodge to reach right and left eyes so need multiply by coefficient 2.General when the refreshing frequency of image is reaching 60HZ after, left eye and right eye just do not have tangible shake sense and flickering, so Fr gets 60, so for two passages, display device 1 needs to support the frame frequency demonstration of 240HZ.For triple channel or multichannel, also method calculates the refreshing frequency requirement that corresponding display device 1 need possess thus, and wherein display device 1 can be TV, computer or projector etc.
In two passages, the 3D video left-right frames series that solves when passage separately is during for 120HZ, also need carry out 3D frame-rate conversion and 3D motion compensation process, by left image frame series and right image frame series corresponding in passage A and the channel B all are transformed into 60HZ, be that each passage 3D video left-right frames series is 120HZ, just corresponding when two passage 3D video left-right frames series are total up to 240HZ with the rear end display device.
After 3D glasses 3 are received frame identification id signal, by parsing module 313,323 by converting frame ID signal 1 and frame ID signal 2 to the eyeglass switching signal.As shown in Figure 2, when frame ID signal 1 is that high level 1, frame ID signal 2 are high level 1, define Fid (Frame Identity, frame number sign indicating number)=3; When frame ID signal 1 is that high level 1, frame ID signal 2 are low level 0, define Fid=2; When frame ID signal 1 is that low level 0, frame ID signal 2 are high level 1, define Fid=1; When frame ID signal 1 is that low level 0, frame ID signal 2 are low level 0, define Fid=0.
The user of passage A is watched in selection, only opens the left eyeglass 311 of 3D glasses 31 during Fid=3, only opens the right eyeglass 312 of 3D glasses 31 during Fid=2; The user of channel B is watched in selection, only opens the left eyeglass 321 of 3D glasses 32 during Fid=1, only opens the right eyeglass 322 of 3D glasses 32 during Fid=0, and therefore, the customer group of each passage correspondence can both be seen the 3D video of own selector channel.
The user of passage A is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 31 during Fid=3 or Fid=2, and customer group A can both see the 2D effect of the 3D video of own selector channel; The user of channel B is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 32 during Fid=1 or Fid=0, and customer group B can both see the 2D effect of the 3D video of own selector channel.
More than the rule of Ding Yi Fid is not limited in this example, as long as satisfy the corresponding different eyeglasses of different Fid, the switch that makes the eyeglass switching signal control the left and right sides eyeglass of different 3D glasses chronologically gets final product.
Also be provided with channel selecting button and 3D/2D switching push button (among the figure indicate) on the 3D glasses, the user chosen at random watch the different 3D videos in passage A and the channel B and in 3D watching mode and 2D watching mode, switch.When the user selected the 3D watching mode, the video pictures in the place passage that the user watches was a 3D effect, and the video pictures in the place passage that the user watches when the user selects the 2D watching mode is the 2D effect of 3D video.
Because all being the physics resolution with identical display device 1, multichannel 3D video left-right frames series on display device, shows, so, be different from 2D and show that the PIP/POP Display Technique on the product can reduce the resolution of visible image content or reduction sprite, multichannel 3D video display technology of the present invention, the 3D video of all passages can be showed best, identical picture physics definition and quality to the user.
The embodiment of the invention has also proposed a kind of 3D video display devices, as described in Figure 1, comprises the display device 1 and the image processing apparatus 2 that is connected display device of the 3D video that is used to show a plurality of passages inputs.
Wherein, image processing apparatus 2 comprises image processing module 21, control module 22, frame ID module 23 and transport module 24, image processing module 21 receives the 3D vision signal of a plurality of passage inputs and is converted to 3D video left-right frames series, control module 22 sends 3D video left-right frames series in order to display device 1 and produces 3D frame of video reference signal synchronously, frame ID module 23 is converted to frame identification id signal with 3D frame of video reference signal, transport module 24 is exported frame identification id signal by the mode of radio frequency, for example export to the 3D glasses 3 in the previous embodiment, control the switch of 3D glasses 3 eyeglasses.Transport module 24 also can need the control mode of hardware mode such as bluetooth, infrared, Wi-Fi (Wireless Fidelity) or software to send frame identification id signal to 3D glasses 3 by other.By above-mentioned processing, image processing apparatus 2 can produce corresponding with it frame identification id signal by corresponding each two field picture.
Because all being the physics resolution with identical display device 1, multichannel 3D video left-right frames series on display device, shows, so, be different from PIP/POP (the Picture inPicture/Picture out Picture on the 2D demonstration product, picture-in-picture/picture out picture) Display Technique can reduce the resolution of visible image content or reduction sprite, multichannel 3D video display technology of the present invention, the 3D video of all passages can be showed best, identical picture physics definition and quality to the user.
Be that example is further illustrated in conjunction with Fig. 1 and Fig. 2 with two passages below.
As shown in Figure 1, the image of the 3D video left and right sides image frame form in passage A and the channel B is input to image processing module 21, image processing module 21 is stored in DDR (Double Data Rate with the passage A of reception and the 3D video pictures of channel B input, the Double Data Rate synchronous DRAM) in, separate the 3D format analysis processing then, show that establishing 1 is equipped with the frame frequency requirement that needs support how high, can calculate thus: the refreshing frequency of watching picture of supposing not glimmer is Fr, show that 3D video channel number is n, then display device 1 needs to support that the frame frequency that shows is Fr*n*2 (HZ), owing to be to watch the 3D video, watch picture not dodge to reach right and left eyes so need multiply by coefficient 2.General when the refreshing frequency of image is reaching 60HZ after, left eye and right eye just do not have tangible shake sense and flickering, so Fr gets 60, so for two passages, display device 1 needs to support the frame frequency demonstration of 240HZ.For triple channel or multichannel, also method calculates the refreshing frequency requirement that corresponding display device 1 need possess thus, and wherein display device 1 can be TV, computer or projector etc.
In two passages, the 3D video left-right frames series that solves when passage separately is during for 120HZ, also need carry out 3D frame-rate conversion and 3D motion compensation process, by left image frame series and right image frame series corresponding in passage A and the channel B all are transformed into 60HZ, be that each passage 3D video left-right frames series is 120HZ, just corresponding when two passage 3D video left-right frames series are total up to 240HZ with the rear end display device.
Control module 22 control 3D video left-right frames series send display device 1 in order to, it has multiple choices in proper order, as the output channel A left side of circulating in order, a channel B left side, the passage A right side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates an in order A left side, the passage A right side, a channel B left side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates an in order A left side, the passage A right side, a passage A left side, the passage A right side, a channel B left side, the channel B right side, a channel B left side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates the in order A right side, a passage A left side, the passage A right side, a passage A left side, the channel B right side, a channel B left side, the channel B right side, the 3D video left-right frames series on a channel B left side arrives display device 1 etc.In addition, exchange the left-right frames order of above-mentioned output or A, the B passage can realize that also i.e. output order can have various ways.Only need in a word to satisfy when the left image of 3D video correspondence in display device 1 demonstration A channel or the B passage or right image, the left eyeglass or the right eyeglass of corresponding 3D glasses 3 are opened, and the user who watches respective channel can see the 3D effect of 3D video; When display device 1 showed the left image of 3D video correspondence in A channel or the B passage or right image, the left eyeglass and the right eyeglass of corresponding 3D glasses 3 were opened simultaneously, and the user who watches respective channel can see the 2D effect of 3D video.
Outside video viewing equipment, after for example the 3D glasses are received frame identification id signal, but parse for frame ID signal 1 and frame ID signal 2, and convert the switching signal that different control eyeglasses opens and closes to.For example, as shown in Figure 2,, define Fid (FrameIdentity, frame number sign indicating number)=3 when frame ID signal 1 is that high level 1, frame ID signal 2 are high level 1; When frame ID signal 1 is that high level 1, frame ID signal 2 are low level 0, define Fid=2; When frame ID signal 1 is that low level 0, frame ID signal 2 are high level 1, define Fid=1; When frame ID signal 1 is that low level 0, frame ID signal 2 are low level 0, define Fid=0.
The user of passage A is watched in selection, only opens the left eyeglass 311 of 3D glasses 31 during Fid=3, only opens the right eyeglass 312 of 3D glasses 31 during Fid=2; The user of channel B is watched in selection, only opens the left eyeglass 321 of 3D glasses 32 during Fid=1, only opens the right eyeglass 322 of 3D glasses 32 during Fid=0, and therefore, the customer group of each passage correspondence can both be seen the 3D video of own selector channel.
The user of passage A is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 31 during Fid=3 or Fid=2, and customer group A can both see the 2D effect of the 3D video of own selector channel; The user of channel B is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 32 during Fid=1 or Fid=0, and customer group B can both see the 2D effect of the 3D video of own selector channel.
More than the rule of Ding Yi Fid is not limited in this example, as long as satisfy the corresponding different eyeglasses of different Fid, the switch that makes the eyeglass switching signal control the left and right sides eyeglass of different 3D glasses chronologically gets final product.
The embodiment of the invention has also proposed a kind of 3D glasses, and these 3D glasses comprise left eyeglass, right eyeglass, receiver module and parsing module at least, and wherein, receiver module is used for received frame identification id signal; Parsing module is used to resolve the frame identification id signal that receives, and converts the switching signal that control left and right sides eyeglass opens and closes to, makes the user can watch the video of respective channel.
Concrete, receiver module can pass through RF-wise received frame identification id signal, and parsing module is used for the frame identification id signal resolution that will receive, and converts the eyeglass switching signal to.When display device 1 at a time shows piece image in the 3D video of a certain passage, the eyeglass switching signal is opened the left eyeglass of the employed 3D glasses of user of watching this passage 3D video synchronously, and close right eyeglass, this moment, this user's left eye was seen this image; When display device when another shows another image of 3D video of this passage constantly, the eyeglass switching signal is opened the right eyeglass of the employed 3D glasses of user of watching this passage 3D video synchronously, and close left mirror, this moment, this user's right eye was seen this image, so this user watches the 3D video pictures of this passage.
When display device at a time shows the 3D video image of a certain passage, the eyeglass switching signal also can be opened the right eyeglass and the left eyeglass of the employed 3D glasses of user of watching this passage 3D video synchronously simultaneously, and close the 3D glasses 3 that other users use, select this moment the user of this passage can watch the 2D video pictures of this passage.Again next moment, the glasses switching signal is opened the right eyeglass and the left eyeglass of the employed 3D glasses of user of watching another passage 3D video synchronously simultaneously, watches this moment the user of this passage can watch the 2D video pictures of another passage.One 3D/2D switching push button (not indicating among the figure) also can be set on 3D glasses 3 is used for making the user to switch at 3D watching mode and 2D watching mode.When the user selected the 3D watching mode, the video pictures in the place passage that the user watches was a 3D effect, and the video pictures in the place passage that the user watches when the user selects the 2D watching mode is the 2D effect of 3D video.
In the embodiment of the invention, the structure of 3D glasses and realization principle specifically can be with reference to aforementioned embodiment illustrated in fig. 1, among Fig. 1 for clarity, two width of cloth 3D glasses (3D glasses 31 and 3D glasses 32) have only been described, but understand easily, 3D glasses quantity is not limited to two width of cloth, and the quantity of 3D glasses depends on and number of users.
Except above-mentioned radio frequency receive mode, receiver module also can be by other as mode received frame identification id signals such as bluetooth, infrared, Wi-Fi, perhaps accept the control mode of software loading signal, for example when display device 1 is projector, the closure that can pass through DMD (Digital Micromirror Device, digital micro-mirror chip) is come the transmission of control signal.
After the 3D glasses are received frame identification id signal, be corresponding eyeglass switching signal with different frame ID conversion of signals by parsing module.As shown in Figure 2, when frame ID signal 1 is that high level 1, frame ID signal 2 are high level 1, define Fid (Frame Identity, frame number sign indicating number)=3; When frame ID signal 1 is that high level 1, frame ID signal 2 are low level 0, define Fid=2; When frame ID signal 1 is that low level 0, frame ID signal 2 are high level 1, define Fid=1; When frame ID signal 1 is that low level 0, frame ID signal 2 are low level 0, define Fid=0.
With reference to Fig. 1, select to watch the user of passage A, only during Fid=3, open the left eyeglass 311 of 3D glasses 31, only during Fid=2, open the right eyeglass 312 of 3D glasses 31; The user of channel B is watched in selection, only opens the left eyeglass 321 of 3D glasses 32 during Fid=1, only opens the right eyeglass 322 of 3D glasses 32 during Fid=0, and therefore, the customer group of each passage correspondence can both be seen the 3D video of own selector channel.
The user of passage A is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 31 during Fid=3 or Fid=2, and customer group A can both see the 2D effect of the 3D video of own selector channel; The user of channel B is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 32 during Fid=1 or Fid=0, and customer group B can both see the 2D effect of the 3D video of own selector channel.
More than the rule of Ding Yi Fid is not limited in this example, as long as satisfy the corresponding different eyeglasses of different Fid, the switch that makes the eyeglass switching signal control the left and right sides eyeglass of different 3D glasses chronologically gets final product.
In one embodiment, also be provided with channel selecting button and 3D/2D switching push button on the 3D glasses, the user chosen at random watch the different 3D videos in passage A and the channel B and in 3D watching mode and 2D watching mode, switch.When the user selected the 3D watching mode, the video pictures in the place passage that the user watches was a 3D effect, and the video pictures in the place passage that the user watches when the user selects the 2D watching mode is the 2D effect of 3D video.
Because all being the physics resolution with identical display device 1, multichannel 3D video left-right frames series on display device, shows, so, be different from 2D and show that the PIP/POP Display Technique on the product can reduce the resolution of visible image content or reduction sprite, multichannel 3D video display technology of the present invention, the 3D video of all passages can be showed best, identical picture physics definition and quality to the user.
The embodiment of the invention also proposes a kind of 3D image display method, and this method is based on above-mentioned 3D video display system.As shown in Figure 3, this method may further comprise the steps:
Step S1 is at a plurality of passage input 3D videos;
Step S2, the timesharing of control display device shows the 3D video image of all passages; For example, control the 3D video image that display devices 1 timesharing shows all passages by above-mentioned image processing apparatus 2, detailed process can be with reference to earlier figures 1 or embodiment illustrated in fig. 2.
Step S3 when described display device at a time shows the 3D video image of a certain passage, exports the frame identification id signal of this image correspondence; This frame identification id signal can be high level signal or low level signal, the corresponding frame identification id signal of each two field picture.
Step S4,3D glasses receive described frame identification id signal, and according to the switching of this frame identification id signal controlling left and right sides eyeglass.Since the corresponding frame identification id signal of each two field picture, thereby can produce different control signals according to the frame identification signal, with the switching of control left and right sides eyeglass.
Be that example is specifically illustrated the method that present embodiment shows the 3D video with two passages below, as shown in Figure 4, may further comprise the steps:
Step S51 receives the 3D video of a plurality of passage inputs and is converted to 3D video left-right frames series;
For example, in the previous embodiment, image processing module 21 is stored in the passage A of reception and the 3D video pictures of channel B input in the DDR memory, separate the 3D format analysis processing then, display device 1 needs to support how high frame frequency requirement, can calculate thus: the refreshing frequency of watching picture of supposing not glimmer is Fr, show that 3D video channel number is n, then display device 1 needs to support that the frame frequency that shows is Fr*n*2 (HZ), owing to be to watch the 3D video, watch picture not dodge to reach right and left eyes so need multiply by coefficient 2.General when the refreshing frequency of image is reaching 60HZ after, left eye and right eye just do not have tangible shake sense and flickering, so Fr gets 60, so for two passages, display device 1 needs to support the frame frequency demonstration of 240HZ.For triple channel or multichannel, also method calculates the refreshing frequency requirement that corresponding display device 1 need possess thus, and wherein display device 1 can be TV, computer or projector etc.
In two passages, the 3D video left-right frames series that solves when passage separately is during for 120HZ, this step also need be carried out 3D frame-rate conversion and 3D motion compensation process, by left image frame series and right image frame series corresponding in passage A and the channel B all are transformed into 60HZ, be that each passage 3D video left-right frames series is 120HZ, just corresponding when two passage 3D video left-right frames series are total up to 240HZ with the rear end display device.
Step S52 sends 3D video left-right frames series in order to display device and produces 3D frame of video reference signal synchronously;
For example, image processing module 21 with the 3D video in passage A and the channel B be converted to the corresponding 3D video of display device 1 frame frequency left-right frames series after, it sends display device 1 in order to control module 22 controls, control module 22 is exported 3D frame of video reference signal simultaneously, as shown in Figure 2,3D frame of video reference signal circulates an output channel A left side, a channel B left side, the passage A right side, the right 3D video of channel B left-right frames series in order to display device 1, and control module 22 produces 3D frame of video reference signal simultaneously.
Control module 22 control 3D video left-right frames series send display device 1 in order to, it has multiple choices in proper order, as the output channel A left side of circulating in order, a channel B left side, the passage A right side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates an in order A left side, the passage A right side, a channel B left side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates an in order A left side, the passage A right side, a passage A left side, the passage A right side, a channel B left side, the channel B right side, a channel B left side, the 3D video left-right frames series on the channel B right side is to display device 1, the output channel that circulates the in order A right side, a passage A left side, the passage A right side, a passage A left side, the channel B right side, a channel B left side, the channel B right side, the 3D video left-right frames series on a channel B left side arrives display device 1 etc.In addition, exchange the left-right frames order of above-mentioned output or A, the B passage can realize that also i.e. output order can have various ways.Only need in a word to satisfy when the left image of 3D video correspondence in display device 1 demonstration A channel or the B passage or right image, the left eyeglass or the right eyeglass of corresponding 3D glasses 3 are opened, and the user who watches respective channel can see the 3D effect of 3D video; When display device 1 showed the left image of 3D video correspondence in A channel or the B passage or right image, the left eyeglass and the right eyeglass of corresponding 3D glasses 3 were opened simultaneously, and the user who watches respective channel can see the 2D effect of 3D video.
Step S53 is converted to frame identification id signal with 3D frame of video reference signal;
Step S54 sends frame identification id signal to the 3D glasses.
The processing procedure of 3D glasses comprises:
Step S65, received frame identification id signal; For example, can pass through mode received frame identification id signals such as radio frequency, bluetooth, infrared, Wi-Fi, perhaps accept the control mode received frame identification id signal of software loading signal.
Step S66 resolves described frame identification id signal, and converts the switching signal that control left and right sides eyeglass opens and closes to, makes each user watch the video of passage separately.After the 3D glasses are received frame identification id signal, by the eyeglass switching signal of parsing module by frame ID signal 1 and frame ID signal 2 resolved, as shown in Figure 2, when frame ID signal 1 be that high level 1, frame ID signal 2 are high level 1, definition Fid (FrameIdentity, frame number sign indicating number)=3; When frame ID signal 1 is that high level 1, frame ID signal 2 are low level 0, define Fid=2; When frame ID signal 1 is that low level 0, frame ID signal 2 are high level 1, define Fid=1; When frame ID signal 1 is that low level 0, frame ID signal 2 are low level 0, define Fid=0.With reference to Fig. 1, select to watch the user of passage A, only during Fid=3, open the left eyeglass 311 of 3D glasses 31, only during Fid=2, open the right eyeglass 312 of 3D glasses 31; The user of channel B is watched in selection, only opens the left eyeglass 321 of 3D glasses 32 during Fid=1, only opens the right eyeglass 322 of 3D glasses 32 during Fid=0, and therefore, the customer group of each passage correspondence can both be seen the 3D video of own selector channel.
The user of passage A is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 31 during Fid=3 or Fid=2, and customer group A can both see the 2D effect of the 3D video of own selector channel; The user of channel B is watched in selection, only opens the left eyeglass and the right eyeglass of 3D glasses 32 during Fid=1 or Fid=0, and customer group B can both see the 2D effect of the 3D video of own selector channel.
More than the rule of Ding Yi Fid is not limited in this example, as long as satisfy the corresponding different eyeglasses of different Fid, the switch that makes the eyeglass switching signal control the left and right sides eyeglass of different 3D glasses chronologically gets final product.
Also be provided with channel selecting button and 3D/2D switching push button (among the figure indicate) on 3D glasses 31 and the 3D glasses 32, the user chosen at random watch the different 3D videos in passage A and the channel B and in 3D watching mode and 2D watching mode, switch.When the user selected the 3D watching mode, the video pictures in the place passage that the user watches was a 3D effect, and the video pictures in the place passage that the user watches when the user selects the 2D watching mode is the 2D effect of 3D video.
The 3D video that the invention is not restricted to two passages among the above embodiment shows, the above multichannel 3D video of two passages shows and also can utilize technical scheme of the present invention to realize, also at the protection range of this patent.For example control module 22 is delivered to frame ID module 23 with 3D frame of video reference signal and is produced corresponding frame identification id signal: when frame ID signal 1, frame ID signal 2 and frame ID signal 3, definable went out 8 Fid and controlled the 3D glasses 3 that several need watch four passages this moment, thereby the 3D that can realize four passages shows.Greater than two passages the time, display device 1 needs to satisfy corresponding refreshing frequency, and for example for triple channel, display device 1 satisfies refreshing frequency 360HZ.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (16)
1. a 3D video display system is characterized in that, comprises display unit and 3D glasses, wherein:
Described display unit comprises display device and image processing apparatus, and described display device is used to show the 3D video of a plurality of passage inputs;
Described image processing apparatus, be connected with described display device, 3D video according to a plurality of passage inputs is controlled the 3D video image that described display device timesharing shows all passages, and when described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence, the left eyeglass of 3D glasses of watching this passage 3D video with control is or/and the switching of right eyeglass makes each user watch the video of passage separately;
Described 3D glasses are used to receive the frame identification id signal that image processing apparatus is exported, and open and close left eyeglass or/and right eyeglass according to this frame identification id signal.
2. system according to claim 1 is characterized in that, described image processing apparatus comprises:
Image processing module is used to receive the 3D video of a plurality of passage inputs and be converted to 3D video left-right frames series;
Control module is used for described 3D video left-right frames series is sent to display device in order and produces 3D frame of video reference signal synchronously;
Frame ID module is used for described 3D frame of video reference signal is converted to frame identification id signal;
Transport module is used for sending described frame identification id signal to described 3D glasses.
3. system according to claim 2 is characterized in that, described 3D glasses comprise parsing module, is used to resolve the frame identification id signal that receives, and converts the switching signal that control left and right sides eyeglass opens and closes to.
4. system according to claim 3 is characterized in that, described transport module sends frame identification id signal to described 3D glasses by bluetooth, infrared, radio frequency or Wi-Fi mode.
5. according to each described system of claim 1-4, it is characterized in that, described 3D glasses are provided with channel selecting button and/or 3D/2D switching push button, described channel selecting button is used for selecting one at all passages and watches passage, and described 3D/2D switching push button is used for switching at 3D watching mode and 2D watching mode.
6. system according to claim 5 is characterized in that, described multichannel is two passages.
7. a 3D video display devices is characterized in that, comprising:
Display device is used to the 3D video that shows that a plurality of passages are imported;
Image processing apparatus, be connected with described display device, 3D video according to a plurality of passage inputs, control the 3D video image that described display device timesharing shows all passages, and when described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence.
8. device according to claim 7 is characterized in that, described image processing apparatus specifically comprises:
Image processing module is used to receive the 3D video of a plurality of passage inputs and be converted to 3D video left-right frames series;
Control module is used for described 3D video left-right frames series is sent to display device in order and produces 3D frame of video reference signal synchronously;
Frame ID module is used for described 3D frame of video reference signal is converted to frame identification id signal;
Transport module is used to export described frame identification id signal.
9. according to claim 7 or 8 described devices, it is characterized in that described transport module is exported frame identification id signal by bluetooth, infrared, radio frequency or Wi-Fi mode.
10. 3D video display devices according to claim 9 is characterized in that, described multichannel is two passages.
11. 3D glasses is characterized in that, comprising:
Receiver module is used for received frame identification id signal;
Parsing module is used to resolve the frame identification id signal that receives, and converts the switching signal that control left and right sides eyeglass opens and closes to, makes the user can watch the video of respective channel.
12. 3D glasses according to claim 11, it is characterized in that, described 3D glasses are provided with channel selecting button and/or 3D/2D switching push button, described channel selecting button is used for selecting one at all passages and watches passage, and described 3D/2D switching push button is used for switching at 3D watching mode and 2D watching mode.
13. a 3D image display method is characterized in that, may further comprise the steps:
At a plurality of passage input 3D videos;
The timesharing of control display device shows the 3D video image of all passages;
When described display device at a time shows the 3D video image of a certain passage, export the frame identification id signal of this image correspondence;
The 3D glasses receive described frame identification id signal, and according to the switching of this frame identification id signal controlling left and right sides eyeglass.
14. method according to claim 13 is characterized in that, and is described when described display device at a time shows the 3D video image of a certain passage, the frame identification id signal of exporting this image correspondence specifically comprises:
Receive the 3D video of a plurality of passage inputs and be converted to 3D video left-right frames series;
Described 3D video left-right frames series is sent to display device in order and produces 3D frame of video reference signal synchronously;
Described 3D frame of video reference signal is converted to frame identification id signal;
Send described frame identification id signal to the 3D glasses.
15. method according to claim 14 is characterized in that, described 3D glasses receive described frame identification id signal, and comprise according to the switching of this frame identification id signal controlling left and right sides eyeglass:
Received frame identification id signal;
Resolve described frame identification id signal, and convert the switching signal that control left and right sides eyeglass opens and closes to, make each user watch the video of passage separately.
16. according to claim 14 or 15 described methods, it is characterized in that, described 3D glasses are provided with channel selecting button and/or 3D/2D switching push button, described channel selecting button is used for selecting one at all passages and watches passage, and described 3D/2D switching push button is used for switching at 3D watching mode and 2D watching mode.
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| WO2022156671A1 (en) * | 2021-01-22 | 2022-07-28 | 上海曼恒数字技术股份有限公司 | Multi-view virtual display signal processing method and system, computer readable storage medium, and electronic device |
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