CN102523459A - Image display methods, device and system - Google Patents
Image display methods, device and system Download PDFInfo
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Abstract
The invention discloses an image display method which comprises the following steps: receiving video signals input by at least two channels, wherein the video signals are two-dimensional (2D) video signals or three-dimensional (3D) video signals; acquiring a refresh frequency of display equipment, and determining a display frame frequency of the video signal of each channel according to the refresh frequency; and displaying the video signal of each channel in turn according to the display frame frequency. The invention also provides another image display method, a corresponding device and a corresponding system. According to the image display methods, the image display device and the image display system, the 2D video signals and the 3D video signals of a plurality of channels are displayed at different moments; and a user can see images of the corresponding channels through a pair of shutter glasses by combining switches of a left lens and/or a right lens of the shutter glasses.
Description
Technical field
The present invention relates to the communications field, specially refer to a kind of method for displaying image, Apparatus and system.
Background technology
Use many people under the situation of same display device, different beholders often hopes to watch with full screen at same screen synchronization and wants the content seen separately.For example double interactive game, the both sides that participate in recreation hope to see the full frame picture of oneself.But common display device can only come out the screen displayed that both sides are placed on a splicing, and the other side's picture that both sides see all only accounts for the part of screen.
When two people hoped to watch separately different channel image with same display device, common display device can only be displayed in full screen a channel image simultaneously in the family.In the time of need showing a plurality of channel image simultaneously, can only adopt the mode of picture-in-picture or picture out picture to show, wherein everyone not only can't see the content of full screen display, but also can receive the interference of the opposing party's picture.
This shows, can't realize also that at present the display device synchronization is displayed in full screen a plurality of channel image, can't make full use of the hardware resource of display device.
Summary of the invention
Main purpose of the present invention realizes that for a kind of method for displaying image, Apparatus and system are provided the multichannel timesharing shows 2D vision signal and 3D vision signal.
The present invention proposes a kind of method for displaying image, comprising:
Receive the vision signal of at least two passages input, said vision signal is 2D vision signal or 3D vision signal;
Obtain the refreshing frequency of display device, confirm the display frame frequency of the vision signal of each passage according to said refreshing frequency;
The vision signal that shows each passage according to said display frame frequency in turn.
Preferably, after carrying out the said vision signal that shows each passage according to said display frame frequency in turn, also comprise:
Export 2D/3D frame identification signal and frame channel identification signal according to said display frame frequency to shutter glasses; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
Preferably, the signal total bit minimum value of said 2D/3D frame identification signal and frame channel identification signal obtains through following formula:
N is a total number of channels, and x is the number of channels of transmission 2D vision signal among the n.
Preferably, the display frame frequency of the said vision signal of confirming each passage according to refreshing frequency is for to carry out through following formula:
F＝kF
r×x+mF
r×2y；
F
rWatching the frequency of picture, F for not glimmering is the refreshing frequency of display device, and x is the number of channels of transmission 2D vision signal, and y is the number of channels of transmission 3D vision signal, and k and m are the natural number greater than 0, kF
rBe the display frame frequency of 2D vision signal, mF
rDisplay frame frequency for the 3D vision signal.
Preferably, before carrying out the said vision signal that shows each passage according to said display frame frequency in turn, also comprise:
The vision signal of each passage that receives is treated to is suitable for said display device video signal displayed.
The present invention proposes another kind of method for displaying image, comprising:
Receive 2D/3D frame identification signal and frame channel identification signal that display device sends; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
According to said 2D/3D frame identification signal and the left eyeglass of frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
Preferably, saidly comprise according to the left eyeglass of 2D/3D frame identification signal and frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass:
Current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
Current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
Preferably, said method also comprises:
Receive user's channel switching signal, switch to the passage that the user selects according to channel switching signal.
The present invention also proposes a kind of display device, comprising:
Receiver module is used to receive the vision signal that at least two passages are imported, and said vision signal is 2D vision signal or 3D vision signal;
Acquisition module is used to obtain the refreshing frequency of display device, confirms the display frame frequency of the vision signal of each passage according to said refreshing frequency;
Display module is used for showing in turn according to said display frame frequency the vision signal of each passage.
Preferably, said display device also comprises:
Sending module; Be used for according to said display frame frequency to shutter glasses output 2D/3D frame identification signal and frame channel identification signal; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
Preferably, said display device also comprises:
Image processing module is used for vision signal with each passage that receives and is treated to and is suitable for said display device video signal displayed.
The present invention also proposes a kind of shutter glasses, comprising:
Receiver module; Be used to receive 2D/3D frame identification signal and the frame channel identification signal that display device sends; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
Control module is used for according to said 2D/3D frame identification signal and the left eyeglass of frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
Preferably, said control module comprises:
The 2D video signal unit, being used for current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
The 3D video signal unit, being used for current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
Preferably, said shutter glasses also comprises:
Handover module is used to receive user's channel switching signal, switches to the passage that the user selects according to channel switching signal.
The present invention also proposes a kind of image display system, comprises display device and shutter glasses, and wherein, said display device comprises:
Receiver module is used to receive the vision signal that at least two passages are imported, and said vision signal is 2D vision signal or 3D vision signal;
Acquisition module is used to obtain the refreshing frequency of display device, confirms the display frame frequency of the vision signal of each passage according to said refreshing frequency;
Display module is used for showing in turn according to said display frame frequency the vision signal of each passage.
Sending module; Be used for according to said display frame frequency to shutter glasses output 2D/3D frame identification signal and frame channel identification signal; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
Preferably, said display device also comprises:
Image processing module is used for vision signal with each passage that receives and is treated to and is suitable for said display device video signal displayed.
Said shutter glasses comprises:
Receiver module; Be used to receive 2D/3D frame identification signal and the frame channel identification signal that display device sends; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
Control module is used for according to said 2D/3D frame identification signal and the left eyeglass of frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
Preferably, said control module comprises:
The 2D video signal unit, being used for current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
The 3D video signal unit, being used for current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
Preferably, said shutter glasses also comprises:
Handover module is used to receive user's channel switching signal, switches to the passage that the user selects according to channel switching signal.
A kind of method for displaying image, Apparatus and system that the present invention proposes; Timesharing shows the 2D vision signal and the 3D vision signal of a plurality of passages; The switch that cooperates corresponding left eyeglass of shutter glasses and/right eyeglass again; Realize that a plurality of users watch the image of respective channel respectively through shutter glasses, made full use of the hardware resource of display device.
Description of drawings
Fig. 1 is the schematic flow sheet of method for displaying image first embodiment of the present invention;
Fig. 2 is the schematic flow sheet of image processing step among method for displaying image first embodiment of the present invention;
Fig. 3 is 2D/3D frame identification signal sketch map among method for displaying image first embodiment of the present invention;
Fig. 4 is another 2D/3D frame identification signal sketch map among method for displaying image first embodiment of the present invention;
Fig. 5 is the sequential chart of synchronizing signal among method for displaying image first embodiment of the present invention;
Fig. 6 is the schematic flow sheet of method for displaying image second embodiment of the present invention;
Fig. 7 is the schematic flow sheet of eyeglass control among method for displaying image second embodiment of the present invention;
Fig. 8 is the schematic flow sheet of method for displaying image the 3rd embodiment of the present invention;
Fig. 9 is the structural representation of display device the 4th embodiment of the present invention;
Figure 10 is the structural representation of image processing module among display device the 4th embodiment of the present invention;
Figure 11 is the structural representation of shutter glasses the 5th embodiment of the present invention;
Figure 12 is the structural representation of control module among shutter glasses the 5th embodiment of the present invention;
Figure 13 is the structural representation of shutter glasses the 6th embodiment of the present invention;
Figure 14 is the structural representation of image display system the 7th embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to 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.
With reference to Fig. 1, method for displaying image first embodiment of the present invention is proposed, method for displaying image is applicable to display device, specifically can comprise:
The vision signal of step S10, the input of reception at least two passages, said vision signal is 2D vision signal or 3D vision signal;
The time division multiplexing that present embodiment shows based on the display device image; With multichannel input signal be processed into be suitable for the display device images displayed after; Timesharing shows on the screen of display device; Above-mentioned multichannel input signal can perhaps be multichannel 2D signal or multichannel 3D signal for 2D vision signal and 3D vision signal and the multi channel signals of depositing.
Step S11, obtain the refreshing frequency of display device, confirm the display frame frequency of the vision signal of each passage according to said refreshing frequency;
In order to make display device support multichannel timesharing to show, need the display frame frequency of the vision signal of definite each passage.
For the display device that refreshing frequency has been confirmed, can dispose the display frame frequency of the vision signal of each passage through following formula:
F＝kF
r×x+mF
r×2y；
F
rWatching the frequency of picture, F for not glimmering is the refreshing frequency of display device, and x is the number of channels of transmission 2D vision signal, and y is the number of channels of transmission 3D vision signal, and k and m are the natural number greater than 0.With 2 passages is example, 1 channel transfer 2D vision signal wherein, and another channel transfer 3D vision signal, and the refreshing frequency of known display device is 240Hz, F
rBe 60HZ, then 60k+120m=240; Possible channel arrangement is the display frame frequency kF of 2D vision signal
r(k gets 2) is 120HZ, the display frame frequency mF of 3D vision signal
r(m gets 1) is 120HZ.
When table 1 is depicted as the refreshing frequency of display device support 240Hz, possible channel arrangement:
Table 1
The vision signal of step S12, each passage that will receive is treated to and is suitable for said display device video signal displayed.
As shown in Figure 2, the signal of input channel is divided into polytype.The anolog TV signals of input or analog video signal are by the demodulate/decode resume module; VGA and component signal are by the A/D module processing; Behind the digital television signal demultiplexing; The same with the USB media signal, to handle by stream media decoding module, the HDMI/DVI digital signal is handled through the digital video module.Various signals are behind the selection matrix of source, and by the signal capture modules capture and through delivering in the frame memory behind the necessary prime convergent-divergent, interlace signal then goes interlacing to handle.If the passage input is the 3D vision signal, then handle by separating the 3D that separates of 3D format module completion to various 3D forms, generate the corresponding left and right sides frame of video series of 3D vision signal.Frame of video series in each passage is processed into the image size that display device requires by back level Zoom module again, sends to the motion compensation process module then.In the motion compensation process module,, need the left and right sides picture behind the frame frequency conversion is carried out motion compensation process because different channel image unifications are transformed to 50Hz, 60Hz or 120Hz.Through after above-mentioned a series of processing, the input signal of each passage is transformed into the image corresponding with display device, and is sent on the display device and shows.
Step S13, show the vision signal of each passage in turn according to said display frame frequency;
The image of multichannel output is sent on the display device by particular order shows that the timesharing of accomplishing vision signal shows.
In sum; In step S10-S13; The display device timesharing shows different channel image, and each channel image all is to show on display device with identical display device physics resolution, and a plurality of users are full frame TV programme of watching different passages simultaneously.The display packing that is different from prior art can reduce the resolution of visible image content or reduction sprite; The method for displaying image of present embodiment can make full use of the hardware resource of display device so that all channel image can be showed best, identical physics definition and quality to the user.
Further, present embodiment can also continue execution in step S14.
Step S14, according to said display frame frequency to shutter glasses output 2D/3D frame identification signal and frame channel identification signal; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
Watch the image of respective channel, present embodiment to adopt a kind of synchro switch equipment of channel image in order to let the user select, this synchro switch equipment is generally shutter glasses, makes the user can watch the image of this shutter glasses respective channel through shutter glasses.Shutter glasses in the present embodiment is based on receiving the decode of synchronizing signal that display device sends, realizes the corresponding control to its left eyeglass and right eyeglass.The synchronizing signal that shutter glasses receives comprises 2D/3D frame identification signal and frame channel identification signal, and 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.In the present embodiment, 2D/3D frame identification signal and frame channel identification signal can be referred to as synchronizing signal.Step S14 sends synchronizing signal to shutter glasses on the basis of step S10-S13, make the user to watch display device timesharing images displayed through shutter glasses.
Like Fig. 3, shown in Figure 4, the assumes synchronization signal is the signal of 4bit, and 2D/3D frame identification signal can be represented with one of them bit, like first or last position, the passage ID that 3 bit representation 2D frames of back or 3D frame are corresponding.
In the present embodiment; Can be provided with and represent that when 2D/3D frame identification signal is 0 (low level) the fooled preceding image transmitted of display device is 2D vision signal (as shown in Figure 3); Represent when 2D/3D frame identification signal is 1 (high level) that the fooled preceding image transmitted of display device is 3D vision signal (as shown in Figure 4), three bit of back represent the ID of respective channel and the left picture or the right picture of 3D vision signal.
Table 2 is depicted as FID value one example of expression synchronizing signal, in practical application, is not limited only to this method for expressing (is to represent that 2D vision signal, first bit were to represent that the 3D vision signal was an example at 1 o'clock at 0 o'clock with first bit).
Table 2
The FID value uses the binary system (B) and the corresponding decimal system (D) to describe respectively in the table 1, need to prove, the coding rule of FID value be not limited in give an example here shown in.
In practical application, the concrete required figure place of expression FID value can be calculated through following mode:
Suppose that total number of channels is n, the number of channels that wherein transmits the 2D vision signal is x, and the number of channels of transmission 3D vision signal is y, need be used for representing that binary bit quantity minimum value of FID value is Fids, 0≤x≤n, 0≤y≤n.Then have:
X+y=n (formula one),
Fidc=x+2y (formula two),
(formula one) substitution (formula two) is got:
Fidc=2n-x (formula three),
Producing quantity is the FID value of Fidc, and the bit quantity minimum value that needs is
When
non-integer; Fids adds 1 for
round numbers
When being integer, Fids is
as
Owing to also need transmit 2D/3D frame identification signal, the binary system bit quantity that the Fid value needs is Fids+ 1.
With reference to Fig. 6, method for displaying image second embodiment of the present invention is proposed, method for displaying image is applicable to the synchro switch equipment of watching 2D vision signal or 3D vision signal, specifically comprises:
2D/3D frame identification signal and frame channel identification signal that step S51, reception display device send; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
Each channel image of watching the display device timesharing to show in order to let the user select; Adopt a kind of synchro switch equipment of channel image; This synchro switch equipment is generally shutter glasses, makes the user can watch the image of this shutter glasses respective channel through shutter glasses.The synchronizing signal that this shutter glasses is based on the display device transmission realizes the corresponding control to its left eyeglass and right eyeglass, and above-mentioned synchronizing signal is 2D/3D frame identification signal and frame channel identification signal.
Step S52, according to the left eyeglass of said 2D/3D frame identification signal and frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
The method for displaying image that present embodiment proposes makes all channel image to show best, identical physics definition and quality to the user for the user provides a kind of method of watching the multichannel image of display device timesharing demonstration.
With reference to Fig. 7, Fig. 7 is the schematic flow sheet of eyeglass control among method for displaying image second embodiment.
As shown in Figure 7, shutter glasses specifically comprises according to the step (above-mentioned steps S52) of the opening and closing of the left eyeglass of said 2D/3D frame identification signal and frame channel identification signal control shutter glasses and/or right eyeglass:
Step S521, current display image are the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
The shutter glasses of user side is in case after confirming corresponding passage; Need discern the 2D/3D frame identification signal and the frame channel identification signal that receive; Confirm whether images displayed is the image of this shutter glasses respective channel on the current display device, and this image is 2D vision signal or 3D vision signal.
If the 3D vision signal, the left picture of further confirming the 3D vision signal still is right picture.If the passage of selecting to watch is the 2D vision signal; Then needing in 2D/3D frame identification signal is low level 0 (2D/3D frame identification signal can be set to 0 or 1 as required); And when frame channel identification signal representative passage is the passage of this shutter glasses correspondence, open the left and right sides eyeglass of shutter glasses.
Step S522, current display image are the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
If the passage of selecting to watch is the 3D vision signal; Then need when 2D/3D frame identification signal is high level; And according to the frame channel identification signal that parses; Only during the left picture of correspondence or right picture show, open left eyeglass or right eyeglass, so the user just can watch the 3D effect of respective channel image.If the passage that the user selects to watch is the 3D vision signal, promptly 2D/3D frame identification signal is a high level, only during the left picture of correspondence or right picture show, opens left eyeglass and right eyeglass simultaneously, and then the user can watch the 2D effect of respective channel 3D rendering.
With reference to Fig. 8, Fig. 8 is the method flow diagram of method for displaying image the 3rd embodiment that provides of the embodiment of the invention.
The method for displaying image that present embodiment three provides comprises:
2D/3D frame identification signal and frame channel identification signal that step S71, reception display device send; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
Step S72, according to the left eyeglass of said 2D/3D frame identification signal and frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
Wherein, step S51 and the S52 of the implementation of step S71 and S72 and second embodiment are similar, no longer are repeated in this description at this.
Step S73, reception user's channel switching signal switches to the passage that the user selects according to channel switching signal.
Wherein, step S73 can occur in any link of watching vision signal.For switching shutter glasses corresponding passage and mode of operation; " passage " selector button and " 3D/2D " switching controls button can be set on shutter glasses; Switch between each passage through triggering " passage " button, the 3D that switches the 3D passage through triggering " 3D/2D " button watches that pattern or 2D watch pattern (promptly watching the 2D effect of 3D vision signal).
Present embodiment further provides the possibility of selector channel to the user on the basis of second embodiment, make the user need not to change shutter glasses and can watch a plurality of channel image to show, is very easy to the user.
For further specifying the multichannel image display packing of present embodiment; Show with two channel image below; Wherein A channel is the 2D vision signal; The B passage is that example is set forth for the 3D vision signal, A channel input 2D PAL analog video, the left and right sides form 3D video that B passage input HDMI, 50Hz line by line scan.The two passage cases that present embodiment is not limited only to give an example here, the above multi channel signals of two passages shows also can be expanded on this basis, all belongs to this scope of patent protection.
At first, the signal to input A channel and B passage carries out image processing.The analog video signal of A channel is by the decoder module processing and behind the selection matrix switch of source; By the Video Capture modules capture and deliver in the frame memory; Owing to be analog video signal; So, need not to carry out the prime convergent-divergent and go interlacing to handle, be processed into the picture size size of display device requirement again by back level Zoom module.Owing to need on same display device, show 2D vision signal and 3D vision signal; The 60HZ that watches picture not glimmer is an example; 3D vision signal left and right sides picture all needs 60Hz to support, so, if the refreshing frequency of display device support is 240Hz; Need the 2D vision signal is processed into 120Hz, the signal after promptly need back level convergent-divergent being handled is delivered to frame frequency conversion/motion compensation process module frame-rate conversion is become 120Hz.
The 3D vision signal of B passage is hunted down and delivers in the frame memory through the digital video path and behind the selection matrix switch of source.The 3D vision signal need not to carry out the prime convergent-divergent and goes interlacing to handle, and directly handles by separating the 3D that separates of 3D format module completion to the 3D form, generates the corresponding left and right sides picture of 3D vision signal.Left and right sides picture is processed into the image size of display device requirement by back level Zoom module.Because the B passage is the 3D vision signal, and that input is 50Hz, and 3D vision signal left and right sides picture all needs the support of 60Hz frame frequency; So; Left and right sides frame of video series need be carried out frame frequency conversion/motion compensation process respectively, left video frame series is transformed into 60Hz, in like manner; Need right frame of video series is carried out frame frequency conversion and motion compensation process, right frame of video series is transformed into 60Hz.So, after A, B channel signal are transformed into the frame of video series corresponding with the display device frame frequency, by output control module in order, the frame of video series of circulation output channel A, channel B left side picture, passage A, the right picture of channel B shows to display device.
Secondly; Output control module produces 2D/3D frame identification signal and frame channel identification signal by display device at the image of output channel A, B in display device; Represent 2D/3D frame identification signal and frame channel identification signal with 3 bit here; First bit representes that 2D/3D frame identification signal (representes the 2D vision signal like low level; High level is represented the 3D vision signal); All the other 2 bit represent the frame channel identification signal, and frame ID signal 1 (frame channel identification signal 1) and frame ID signal 2 (frame channel identification signal 2) promptly shown in Figure 5 respectively account for 1bit), the left picture of frame channel identification signal and passage ID, 3D vision signal and the corresponding relation such as the table 3 of right picture are set in advance.
Table 3
Visible from table 3, during Fid=4 (100B), represent that images displayed is the 3D vision signal on the current display device; And be the right picture of B passage; During Fid=5 (101B), represent that images displayed is the 3D vision signal on the current display device, and be B passage left side picture; During Fid=3 (011B), represent that images displayed is the 2D vision signal on the current display device.The Fid value also can be selected from the form that has encoded, and representes the right picture of the 3D vision signal of the left picture of the 3D vision signal of the 2D vision signal of A channel, B passage, B passage respectively as from the correspondence table shown in the table 1, choosing FID value 0,8,12.
At last, 2D/3D frame identification signal and frame channel identification signal are sent to shutter glasses through frame ID transport module.After shutter glasses is received 2D/3D frame identification signal and frame channel identification signal; The shutter glasses of passage A is watched in selection; Recognize 2D/3D frame identification signal when being low level; Only during being Fid=3 during the identical frame channel identification signal, open left and right sides eyeglass simultaneously, therefore the user that A channel is corresponding can see the 2D vision signal of A channel 120Hz, and left and right sides eyeglass is closed simultaneously during other Fid.
The shutter glasses of channel B is watched in selection, recognizes 2D/3D frame identification signal when being high level, only during Fid=5, opens left eyeglass, only during Fid=4, opens right eyeglass, and user's group energy that so the B passage is corresponding is seen the 3D effect of B channel image.
With reference to Fig. 9, the structural representation of the display device 100 that the proposition embodiment of the invention four provides.
As shown in the figure, the display device 100 that the embodiment of the invention provides comprises:
Sending module 50; Be used for according to said display frame frequency to shutter glasses output 2D/3D frame identification signal and frame channel identification signal; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
The time division multiplexing that present embodiment shows based on display device 100 images; Receiver module 10 receives multichannel input signal; After acquisition module 20 and image processing module 30 are processed into and are suitable for display device 100 images displayed; Display module 40 timesharing show on the screen of display device 100, and above-mentioned multichannel input signal can perhaps be multichannel 2D signal and multichannel 3D signal for 2D vision signal and 3D vision signal and the multi channel signals of depositing.
In order to make display device 100 support multichannel timesharing to show, acquisition module 20 needs the display frame frequency of the vision signal of definite each passage.The account form of the display frame frequency of each passage is following: suppose that each shutter glasses frequency of watching picture of not glimmering is Fr; Because when watching the 2D vision signal; The left eyeglass of shutter glasses and right eyeglass be switch simultaneously, and therefore watching the shutter glasses of 2D vision signal to need frequency is F
r* x (x is the number of channels of transmission 2D vision signal), and when watching the 3D vision signal, left eyeglass and right eyeglass be corresponding left picture and right picture respectively, therefore watching the shutter glasses of 3D vision signal to need frequency is F
r* 2y (y is the number of channels of transmission 3D vision signal), then refreshing frequency need be set is F to display device 100
r* x+F
r* 2y just can make each shutter glasses all not glimmer and watch picture.Usually Fr gets 60 (HZ).Suppose to watch 2 channel image; 1 channel transfer 2D vision signal wherein, another channel transfer 3D vision signal, then the refreshing frequency of display device 100 should be 180Hz at least; That is: support the 3D vision signal of 1 passage; Need the support of 120Hz, support the 2D video of 1 passage, need the support of 60Hz.For the display device 100 that refreshing frequency has been confirmed, acquisition module 20 can dispose the display frame frequency of the vision signal of each passage through following formula:
F＝kF
r×x+mF
r×2y；
F
rWatching the frequency of picture, F for not glimmering is the refreshing frequency of display device, and x is the number of channels of transmission 2D vision signal, and y is the number of channels of transmission 3D vision signal, and k and m are the natural number greater than 0.Be example still with 2 passages, 1 channel transfer 2D vision signal wherein, another channel transfer 3D vision signal, and the refreshing frequency of known display device is 240Hz, F
rBe 60HZ, then 60k+120m=240; Possible channel arrangement is the display frame frequency kF of 2D vision signal
r(k gets 2) is 120HZ, the display frame frequency mF of 3D vision signal
r(m gets 1) is 120HZ.
In the present embodiment, the signal of input channel is divided into polytype, need carry out handled to it by image processing module 30, makes it be suitable for display device 100 and shows.
With reference to Figure 10; Image processing module 30 can comprise following a plurality of module as required: anolog TV signals or analog video signal are handled by demodulate/decode module 111; VGA and component signal are handled by A/D modular converter 112, and be behind the digital television signal demultiplexing, the same with the USB media signal; Handled by stream media decoding module 113, the HDMI/DVI digital signal is handled through digital video module 114.Various signals are caught and through delivering in the frame memory 122 behind the necessary prime convergent-divergent of prime Zoom module 117, interlace signal then goes interlacing processing module 118 to handle by signal capture module 116 behind source selection matrix 115.If the passage input is the 3D vision signal, then handle by separating the 3D that separates of 3D format module 119 completion to various 3D forms, generate the corresponding left and right sides frame of video series of 3D vision signal, two FID values of its correspondence.The corresponding frame of video series of each FID value is processed into the image size that display device 100 requires by back level Zoom module 120 again in each passage, sends to motion compensation process module 121 then.In the motion compensation process module,, need the left and right sides picture behind the frame frequency conversion is carried out motion compensation process because different channel image unifications are transformed to 50Hz, 60Hz or 120Hz.Through after above-mentioned a series of processing, the input signal of each passage is transformed into the image corresponding with display device 100, and is sent on the screen, be sent on the screen by particular order by display module 40 and show, accomplish the timesharing demonstration of vision signal.
In addition, be easy to realize the operation of OSD Interface Control, need after output image processing module 30, to insert the OSD interface in order to make the user who watches 2D vision signal and 3D vision signal.Separate the processing mode that 3D inserts the OSD interface before if be employed in; Then when the user who watches the 3D vision signal need carry out the operation of OSD Interface Control, temporarily withdraw from the 3D pattern, show the OSD interface identical with the 2D pattern; Behind the end of operation, recover to get into the 3D state again.
Watch the image of respective channel, present embodiment to adopt a kind of synchro switch equipment of channel image in order to let the user select, this synchro switch equipment is generally shutter glasses, makes the user can watch the image of this shutter glasses respective channel through shutter glasses.
The shutter glasses of present embodiment is based on receiving the decode of synchronizing signal that sending module 50 sends, realizes the corresponding control to its left eyeglass and right eyeglass.The synchronizing signal that shutter glasses is received comprises 2D/3D frame identification signal and frame channel identification signal.
In practical application, the concrete required figure place of expression FID value can be calculated through following mode:
Suppose that total number of channels is n, the number of channels that wherein transmits the 2D vision signal is x, and the number of channels of transmission 3D vision signal is y, need be used for representing that binary bit quantity minimum value of FID value is Fids, 0≤x≤n, 0≤y≤n.Then have:
X+y=n (formula one),
Fidc=x+2y (formula two),
(formula one) substitution (formula two) is got:
Fidc=2n-x (formula three),
Producing quantity is the FID value of Fidc, and the bit quantity minimum value that needs is
When
non-integer; Fids adds 1 for
round numbers
As
when being integer; Fids is
owing to also transmitting 2D/3D frame identification signal, so the binary system bit quantity that the Fid value needs is Fids+ 1.
In sum; Because multichannel image all is to show on display device 100 with identical display device 100 physics resolutions; So; Be different from the resolution that the PIP/POP Display Technique can reduce visible image content or reduce sprite, the display device 100 of present embodiment, all channel image can be showed best, identical physics definition and quality to the user.
With reference to Figure 11, the structural representation of a kind of shutter glasses 200 that the proposition fifth embodiment of the invention provides, as shown in the figure, the shutter glasses 200 that present embodiment provides comprises:
With reference to Figure 12, Figure 12 is the structural representation of control module 21 among shutter glasses 200 the 5th embodiment of the present invention, and this control module 21 specifically comprises:
2D video signal unit 211, being used for current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
3D video signal unit 212, being used for current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
This shutter glasses 200 is based on receiving the decode of synchronizing signal that display device sends, realizes the corresponding control to its left eyeglass and right eyeglass.Above-mentioned synchronizing signal is 2D/3D frame identification signal and frame channel identification signal.
The control module 21 of shutter glasses 200 is in case after confirming corresponding passage; Need discern 2D/3D frame identification signal and frame channel identification signal that receiver module 11 receives; Confirm whether images displayed is the image of this shutter glasses 200 respective channel on the current display device; And this image is 2D vision signal or 3D vision signal, if the 3D vision signal is the left picture or the right picture of 3D vision signal.If the passage of selecting to watch is the 2D vision signal; Then 2D video signal unit 211 need be low level 0 (2D/3D frame identification signal can be set to 0 or 1 as required) in 2D/3D frame identification signal; And when frame channel identification signal representative passage is the passage of this shutter glasses 200 correspondences, open the left and right sides eyeglass of shutter glasses simultaneously.
If the passage of selecting to watch is the 3D vision signal; Then 3D video signal unit 212 needs when 2D/3D frame identification signal is high level; And according to the frame channel identification signal that parses; Only during the left picture of correspondence or right picture show, open left eyeglass or right eyeglass, so the user just can watch the 3D effect of respective channel image.If the passage that the user selects to watch is the 3D vision signal, promptly 2D/3D frame identification signal is a high level, only during the left picture of correspondence or right picture show, opens left eyeglass and right eyeglass simultaneously, and then the user can watch the 2D effect of respective channel 3D rendering.
The shutter glasses 200 that present embodiment proposes for the user provides a kind of method of watching the multichannel image of display device timesharing demonstration, makes all channel image to show best, identical physics definition and quality to the user.
With reference to Figure 13; Figure 13 is the structural representation of the shutter glasses 200 of sixth embodiment of the invention proposition; Said shutter glasses 200 comprises receiver module 12, control module 22 and handover module 32; Wherein receiver module 12 is similar with receiver module among the 5th embodiment 11 and control module 21 with control module 22, no longer is repeated in this description here.Said handover module 32 is used to receive user's channel switching signal, switches to the passage that the user selects according to channel switching signal.
On shutter glasses 200 bases that the 5th embodiment provides; For switching shutter glasses corresponding passage and mode of operation; The shutter glasses that the 6th embodiment provides can be provided with " passage " selector button and " 3D/2D " switching controls button on shutter glasses; Through triggering " passage " button, handover module 32 switches between each passage, and the 3D that switches the 3D passage through triggering " 3D/2D " button watches that pattern or 2D watch pattern (promptly watching the 2D effect of 3D vision signal).
Present embodiment further provides the possibility of selector channel to the user on the basis of the 5th embodiment, make the user need not to change shutter glasses and can watch a plurality of channel image to show, is very easy to the user.
With reference to Figure 14; The image display system that seventh embodiment of the invention provides is proposed; Comprise display device 100 and shutter glasses 200; Wherein, the operation principle of said display device 100 and structure be with display device shown in Figure 9 100, the operation principle of said shutter glasses 200 and structure with Figure 11 to shutter glasses 200 shown in Figure 13.Repeat no more here.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent 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 fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (15)
1. a method for displaying image is characterized in that, comprising:
Receive the vision signal of at least two passages input, said vision signal is 2D vision signal or 3D vision signal;
Obtain the refreshing frequency of display device, confirm the display frame frequency of the vision signal of each passage according to said refreshing frequency;
The vision signal that shows each passage according to said display frame frequency in turn.
2. the method for claim 1 is characterized in that, after carrying out the said vision signal that shows each passage according to display frame frequency in turn, also comprises:
Export 2D/3D frame identification signal and frame channel identification signal according to said display frame frequency to shutter glasses; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
3. method as claimed in claim 2 is characterized in that, the signal total bit minimum value of said 2D/3D frame identification signal and frame channel identification signal obtains through following formula:
N is a total number of channels, and x is the number of channels of transmission 2D vision signal in n the passage.
4. like each described method in the claim 1 to 3, it is characterized in that the display frame frequency of the said vision signal of confirming each passage according to refreshing frequency is for to carry out through following formula:
F＝kF
r×x+mF
r×2y；
F
rWatching the frequency of picture, F for not glimmering is the refreshing frequency of display device, and x is the number of channels of transmission 2D vision signal, and y is the number of channels of transmission 3D vision signal, and k and m are the natural number greater than 0, kF
rBe the display frame frequency of 2D vision signal, mF
rDisplay frame frequency for the 3D vision signal.
5. like each described method in the claim 1 to 3, it is characterized in that, before carrying out the said vision signal that shows each passage according to display frame frequency in turn, also comprise:
The vision signal of each passage that receives is treated to is suitable for said display device video signal displayed.
6. a method for displaying image is characterized in that, comprising:
Receive 2D/3D frame identification signal and frame channel identification signal that display device sends; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
According to said 2D/3D frame identification signal and the left eyeglass of frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
7. method as claimed in claim 6 is characterized in that, saidly comprises according to the left eyeglass of 2D/3D frame identification signal and frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass:
Current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
Current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
8. like claim 6 or 7 described methods, it is characterized in that, also comprise:
Receive user's channel switching signal, switch to the passage that the user selects according to channel switching signal.
9. a display device is characterized in that, comprising:
Receiver module is used to receive the vision signal that at least two passages are imported, and said vision signal is 2D vision signal or 3D vision signal;
Acquisition module is used to obtain the refreshing frequency of display device, confirms the display frame frequency of the vision signal of each passage according to said refreshing frequency;
Display module is used for showing in turn according to said display frame frequency the vision signal of each passage.
10. display device as claimed in claim 9 is characterized in that, also comprises:
Sending module; Be used for according to said display frame frequency to shutter glasses output 2D/3D frame identification signal and frame channel identification signal; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, and the frame channel identification signal is represented the passage ID of current video signal displayed.
11. like each described display device in the claim 9 to 10, it is characterized in that, also comprise:
Image processing module is used for vision signal with each passage that receives and is treated to and is suitable for said display device video signal displayed.
12. a shutter glasses is characterized in that, comprising:
Receiver module; Be used to receive 2D/3D frame identification signal and the frame channel identification signal that display device sends; Said 2D/3D frame identification signal is represented whether 3D vision signal of current video signal displayed, left picture or right picture when the frame channel identification signal is represented passage ID and the 3D vision signal of current video signal displayed;
Control module is used for according to said 2D/3D frame identification signal and the left eyeglass of frame channel identification signal control shutter glasses and/or the opening and closing of right eyeglass.
13. shutter glasses as claimed in claim 12 is characterized in that, said control module comprises:
The 2D video signal unit, being used for current display image is the 2D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, simultaneously the left eyeglass and the right eyeglass of switch shutter glasses;
The 3D video signal unit, being used for current display image is the 3D vision signal, and the passage ID of current display image is when being the corresponding passage ID of this shutter glasses, according to the left eyeglass or the right eyeglass of frame channel identification signal switch shutter glasses.
14. like claim 12 or 13 described shutter glasses, it is characterized in that, also comprise:
Handover module is used to receive user's channel switching signal, switches to the passage that the user selects according to channel switching signal.
15. image display system; It is characterized in that, comprise display device and shutter glasses, wherein; Said display device is each described display device in the claim 10 to 11, and said shutter glasses is each described shutter glasses of claim 12 to 14.
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