CN102438162A - Dual-channel signal processing and displaying method and device - Google Patents
Dual-channel signal processing and displaying method and device Download PDFInfo
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- CN102438162A CN102438162A CN2011102400950A CN201110240095A CN102438162A CN 102438162 A CN102438162 A CN 102438162A CN 2011102400950 A CN2011102400950 A CN 2011102400950A CN 201110240095 A CN201110240095 A CN 201110240095A CN 102438162 A CN102438162 A CN 102438162A
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Abstract
The invention discloses a dual-channel signal processing and displaying method which is used for display equipment. The display equipment comprises an image processor and a back-end processing module. The method comprises the following steps that: the image processor acquires inputted signals of two channels, then, carries out 3-dimensional (3D) formatting and splicing on the inputted signals so as to form 3D signals, and sends the 3D signals to the back-end processing module; and the back-end processing module carries out 3D de-formatting processing on the 3D signals, de-splices the spliced 3D signals into video frame series corresponding to the two channels, and displays the video frame series on the screen of the display equipment in a timesharing manner. The invention further provides a corresponding displaying device. With the adoption of the dual-channel signal processing and displaying method provided by the invention, the image processor can output the inputted signals of the two channels to the screen of the display equipment and can display the inputted signals in a timesharing manner, so that the inputted signals of the two channels can be displayed on the screen of the display equipment in the same physical resolution of the display equipment, and the visual enjoyment of users isare improved.
Description
Technical field
The present invention relates to a kind of signal processing and Display Technique, specially refer to the method and apparatus that a kind of double-channel signal is handled and shown.
Background technology
Usually under the situation of the same display of double use, 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 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.
In the family when two people hope to watch separately different channel image with same display; Common display can only show two channel image simultaneously; As 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.
For the problems referred to above, a kind of solution can be proposed, promptly show the 2D signal of two passages through timesharing on display, cooperate the switch of corresponding left eyeglass of shutter glasses and right eyeglass again, can realize that the user watches the image of respective channel through shutter glasses.With two passages is example; The frame frequency of supposing each passage is 60Hz, and each passage broadcast 2D signal, and then image processor need be exported the 2D signal of two passages with the frame frequency of 120Hz; And present front end image processor also can't be realized the output of higher frame frequency; This invention is delivered to back end processing module through after two channel signals being carried out 3D format amalgamation, can solve the front end image processor and can't export the limitation of higher frame frequency and realize that binary channels shows.
Summary of the invention
Main purpose of the present invention is the method and apparatus that provides a kind of double-channel signal to handle and show, input signal to the indicator screen that the realization image processor can be exported two passages carries out the timesharing demonstration.
The present invention proposes the method that a kind of double-channel signal is handled and shown, is used for display, and said display comprises image processor and back end processing module, comprises step:
After image processor is caught the input signal of two passages, carry out 3D format amalgamation and form the 3D signal, and be sent to back end processing module;
Said back end processing module is separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.
Preferably, the input signal of said two passages is anolog TV signals, analog video signal, VGA/ component signal, digital television signal/USB or HDMI/DVI digital signal.
Preferably, said image processor carries out 3D format amalgamation with the input signal of two passages and comprises:
With the input signal of said two passages piece together the 3D signal of left and right sides form, 3D signal, the level of form interweave or the 3D signal of order format up and down.
Preferably, the input signal with said two passages carries out also comprising before the 3D format amalgamation:
Image processor carries out the convergent-divergent processing respectively with the input signal of said two passages, goes interlacing processing and frame frequency conversion to handle.
Preferably, said back end processing module is separated the 3D format analysis processing with said 3D signal, separates the frame of video series of corresponding said two passages also to comprise afterwards the 3D signal of amalgamation:
Said back end processing module carries out convergent-divergent with the frame of video series of said two passages, frame frequency conversion and/or motion compensation.
The present invention also proposes a kind of double-channel signal and handles and device shown, comprises image processor and back end processing module, wherein:
Said image processor after being used for the input signal of two passages caught, carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module;
Said back end processing module is used for the 3D signal is separated the 3D format analysis processing, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.
Preferably, the input signal of said two passages is anolog TV signals, analog video signal, VGA/ component signal, digital television signal/USB or HDMI/DVI digital signal.
Preferably, said image processor carries out 3D format amalgamation with the input signal of two passages and comprises: with the input signal of said two passages piece together the 3D signal of left and right sides form, 3D signal, the level of form interweave or the 3D signal of order format up and down.
Preferably, said image processor also is used for the input signal of said two passages is carried out the convergent-divergent processing respectively, goes interlacing processing and frame frequency conversion to handle.
Preferably, said back end processing module also is used for the frame of video series of said two passages being carried out convergent-divergent, frame frequency conversion and/or motion compensation.
The double-channel signal that the present invention proposes is handled and Display Technique, expands based on the current 3D TV platform of popularizing day by day, after the input signal of two passages is caught, carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module; Said back end processing module is separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.Input signal to the indicator screen that makes image processor can export two passages carries out timesharing and shows, realizes that twin-channel input signal all is to show on indicator screen with identical display physics resolution, improves user's visual enjoyment.
Description of drawings
Fig. 1 is the schematic flow sheet of method one embodiment of double-channel signal processing of the present invention and demonstration;
Fig. 2 is the sketch map of frame ID signal among method one embodiment of double-channel signal processing of the present invention and demonstration;
Fig. 3 is the structural representation of double-channel signal processing of the present invention and device shown one embodiment.
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 one embodiment that double-channel signal of the present invention is handled and shown is proposed, comprise step:
After step S101, image processor are caught the input signal of two passages, carry out 3D format amalgamation and form the 3D signal, and be sent to back end processing module.
Usually channel signal is divided into polytype; Anolog TV signals or analog video signal are by the demodulate/decode resume module, and the VGA/ component signal is by the A/D module processing, behind the digital television signal demultiplexing; The same with the USB media signal; Handled by stream media decoding module, the HDMI/DVI digital signal is by the digital video resume module, and various input signals are behind the selection matrix switch of source; Be hunted down and through delivering in the frame memory behind the necessary prime convergent-divergent, interlace signal then goes interlacing to handle in this way.
The input signal of two passages is through after handling above-mentioned early stage, by the image processor of display the input signal of two passages carried out 3D format amalgamation, becomes the 3D signal.Present embodiment is 1920x1080 with the picture dimension of image processor output; The output frame frequency is 60Hz (but also 50Hz); With two passages (input signal of each passage is the 2D signal) is that example describes; Then through after the 3D format amalgamation, the picture dimension of image processor output is 1920x1080, and frame frequency is 60Hz.
The 2D signal of above-mentioned two passages is pieced together the 3D signal demand carry out a series of processing; If piece together the 3D signal of left and right sides form; The image frame series of two passage correspondences is processed into the picture of 960x1080 size by the back level Zoom module of image processor so; Be that each passage of horizontal direction accounts for 960 points, two passage frame frequencies all are transformed to 60Hz.If piece together the up and down 3D signal of form, the image frame series that two passages are corresponding so is processed into the picture of 1920x540 size by back level Zoom module, and promptly passage of vertical direction accounts for 540 column rules, and two passage frame frequencies all are transformed to 60Hz.The 3D signal of form if the level of piecing together interweaves; The image frame series that two passages are corresponding so is processed into the picture of 1920x540 size by back level Zoom module; Carry out the input signal progressive interlace output of two passages again; Each passage of vertical direction accounts for 540 column rules, and two passage frame frequencies all are transformed to 60Hz.If be processed into order format 3D signal, the image frame series that two passages are corresponding so is processed into the picture of 1920x1080 size by back level Zoom module, and two passage frame frequencies all are transformed to 30Hz, carry out the staggered output of two passage frames then.
Step S102, back end processing module are separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing show on indicator screen.
3D signal after the 3D format amalgamation outputs to back end processing module and handles.According to the 3D signal of different-formatization, image processor is informed back end processing module through control signal, and 3D format amalgamation is adopted is the 3D signal of left and right sides form, 3D signal, 3D signal that level interweaves or the 3D signal of order format of form up and down.Back end processing module calls the corresponding 3D format analysis processing of separating, and the 3D signal decoding of amalgamation is become the image frame series of respective channel.If the passage image frame size that solves is not 1920x1080; Need amplify in corresponding horizontal direction or vertical direction so; Horizontal direction is counted reach or vertical direction line number to reach 1080 row at 1920, thereby generate the frame picture of 1920x1080 size.In addition, when passage image frame series is not 60Hz, need passage image frame series is carried out frame frequency conversion and/or motion compensation process, passage image frame series is transformed into 60Hz.Be about to the 3D signal transition and become the image frame corresponding serial,, image frame series is sent on the screen by the frame interleaved order shows then through output control module with the display frame frequency.
Watch the corresponding input signal of different passages in order to let the user select, adopt a kind of synchro switch equipment of passage video pictures, make the user to watch the video pictures of respective channel by the selection of oneself, this synchro switch equipment is generally the switch glasses.The synchro switch Equipment Control is based on generation, transmission, the reception of frame ID signal, realizes corresponding control then.To separate the 3D format analysis processing at back end processing module; And the screen timesharing that exports display to of the signal after frame frequency conversion and/or the motion compensation process is when showing; Output control module is output frame ID signal simultaneously; After the switch glasses of user side receive frame ID signal, control left and right sides eyeglass is set according to what define in advance.As shown in Figure 3, only can define in advance during frame ID signal is high level (behind the rising edge corresponding high level), passage party A-subscriber crowd's switch glasses left and right sides eyeglass is opened simultaneously, and like this, what passage party A-subscriber crowd watched is the video pictures of passage A; Only during frame ID signal is low level (in low level corresponding behind the trailing edge); The switch glasses left and right sides eyeglass of the customer group of channel B is opened simultaneously; Like this, what the customer group of channel B was watched is the video pictures of channel B, and two types of users watch passage program separately and do not disturb mutually.Otherwise control also can.If what watch is the 3D video, the switch glasses are operated in passage A and watch under the pattern, and corresponding customer group can obtain the effect that 3D video 2D sees, what see is 3D video left side picture (or right picture); The switch glasses are operated in channel B and watch under the pattern, and corresponding customer group also can obtain the effect that 3D video 2D sees, what see is the right picture (or left picture) of 3D video.
The foregoing description is handled with Display Technique double-channel signal with the fast gate-type 3D TV platform of 120Hz and is set forth; Other can be able on this basis deduce, extend and realize as realizing on the fast gate-type 3D TV platform of 240Hz that double-channel signal is handled with demonstration, therefore also belongs to this scope of patent protection.In addition; On polarisation 3D TV platform; Also can deliver to the screen of display through the 3D form that the binary channels input signal format is turned to passage A and channel B line interlacing; So, when customer group A wore left and right sides eyeglass and is the polaroid glasses of clockwise circular polarization (or counterclockwise circular polarization), what see was passage A picture (or channel B picture) and can't see channel B picture (or passage A picture).When customer group B wears left and right sides eyeglass and is the polaroid glasses of counterclockwise circular polarization (or clockwise circular polarization); What see is channel B picture (or passage A picture) and can't see passage A picture (or channel B picture), also can realize that the full frame picture of binary channels shows.
The double-channel signal that the present invention proposes is handled and Display Technique, expands based on the current 3D TV platform of popularizing day by day, after the input signal of two passages is caught, carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module; Said back end processing module is separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.Input signal to the indicator screen that makes image processor can export two passages carries out timesharing and shows, realizes that twin-channel input signal all is to show on indicator screen with identical display physics resolution, improves user's visual enjoyment.
With reference to Fig. 3, propose double-channel signal of the present invention and handle and device shown one embodiment, comprise image processor 10 and back end processing module 20, wherein:
Said image processor 10 is used for after just the input signal of two passages is caught, and carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module.
Said back end processing module 20 is used for the 3D signal is separated the 3D format analysis processing, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.
The double-channel signal of present embodiment is handled and device shown can be a display, or a certain functional module in the display.
Usually channel signal is divided into polytype; Anolog TV signals or analog video signal are handled by demodulate/decode module 111, and the VGA/ component signal is handled by A/D modular converter 112, 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 by digital video module 114, and various input signals are behind source selection matrix switch 115; Caught and delivered in the frame memory 110 after through necessary prime convergent-divergent by prime Zoom module 117 by signal capture module 116, interlace signal is then by going interlacing processing module 119 to go interlacing to handle in this way.
The input signal of two passages is through after handling above-mentioned early stage, carries out 3D format amalgamation by the input signal of 10 pairs of two passages of image processor of display, becomes the 3D signal.Present embodiment is 1920x1080 with the picture dimension of image processor 10 outputs; The output frame frequency is 60Hz (but also 50Hz); With two tunnel A and B (input signal of each passage is the 2D signal) is that example describes; Then through after the 3D format amalgamation, the picture dimension of image processor 10 outputs is 1920x1080, and frame frequency is 60Hz.
The 2D signal of above-mentioned two passages is pieced together the 3D signal demand carry out a series of processing; If piece together the 3D signal of left and right sides form; The image frame series of two passage correspondences is processed into the picture of 960x1080 size by the back level Zoom module I 119 of image processor 10 so; Be that each passage of horizontal direction accounts for 960 points, two passage frame frequencies all are transformed to 60Hz by frame frequency conversion module 130.If piece together the 3D signal of form up and down; The image frame series that two passages are corresponding so is processed into the picture of 1920x540 size by back level Zoom module I 119; Be that passage of vertical direction accounts for 540 column rules, two passage frame frequencies all are transformed to 60Hz by frame frequency conversion module 130.The 3D signal of form if the level of piecing together interweaves; The image frame series that two passages are corresponding so is processed into the picture of 1920x540 size by back level Zoom module I 119; Carry out the input signal progressive interlace output of two passages again; Each passage of vertical direction accounts for 540 column rules, and two passage frame frequencies all are transformed to 60Hz by frame frequency conversion module 130.If be processed into order format 3D signal; The image frame series that two passages are corresponding so is processed into the picture of 1920x1080 size by back level Zoom module I 119; Two passage frame frequencies all are transformed to 30Hz by frame frequency conversion module 130, carry out the staggered output of two passage frames then.
3D signal after the 3D format amalgamation outputs to back end processing module 20 and handles.According to the 3D signal of different-formatization, image processor 10 is informed back end processing module 20 through control signal, and 3D format amalgamation is adopted is the 3D signal of left and right sides form, 3D signal, 3D signal that level interweaves or the 3D signal of order format of form up and down.Back end processing module 20 calls to be separated 3D format module 201 and carries out the corresponding 3D format analysis processing of separating, and the 3D signal decoding of amalgamation is become the image frame series of respective channel.If the passage image frame size that solves is not 1920x1080; Need amplify in corresponding horizontal direction or vertical direction by back level Zoom module II 202 so; Horizontal direction is counted reach or vertical direction line number to reach 1080 row at 1920, thereby generate the frame picture of 1920x1080 size.In addition, when passage image frame series is not 60Hz, need to carry out frame frequency conversion and/or motion compensation process, passage image frame series is transformed into 60Hz by frame frequency conversion and/or 203 pairs of passage image frames of motion compensating module series.Be about to the 3D signal transition and become the image frame corresponding serial,, image frame series is sent on the indicator screen 30 by the frame interleaved order shows then through output control module 204 with the display frame frequency.
Watch the corresponding input signal of different passages in order to let the user select, adopt a kind of synchro switch equipment of passage video pictures, make the user to watch the video pictures of respective channel by the selection of oneself, this synchro switch equipment is generally the switch glasses.The synchro switch Equipment Control is based on generation, transmission, the reception of frame ID signal, realizes corresponding control then.To separate the 3D format analysis processing at back end processing module 20; And the signal after frame frequency conversion and/or the motion compensation process is when exporting indicator screen 30 timesharing to and show; Output control module 204 control frame Id (Fid) modules 40 produce frame ID signal simultaneously; Accomplish by frame id transport module 50 and to transmit, after the switch glasses of user side receive frame ID signal, control left and right sides eyeglass is set according to what define in advance.As shown in Figure 3, only can define in advance during frame ID signal is high level (behind the rising edge corresponding high level), passage party A-subscriber crowd's switch glasses left and right sides eyeglass is opened simultaneously, and like this, what passage party A-subscriber crowd watched is the video pictures of passage A; Only during frame ID signal is low level (in low level corresponding behind the trailing edge); The switch glasses left and right sides eyeglass of the customer group of channel B is opened simultaneously; Like this, what the customer group of channel B was watched is the video pictures of channel B, and two types of users watch passage program separately and do not disturb mutually.Otherwise control also can.If what watch is the 3D video, the switch glasses are operated in passage A and watch under the pattern, and corresponding customer group can obtain the effect that 3D video 2D sees, what see is 3D video left side picture (or right picture); The switch glasses are operated in channel B and watch under the pattern, and corresponding customer group also can obtain the effect that 3D video 2D sees, what see is the right picture (or left picture) of 3D video.
The foregoing description is handled with Display Technique double-channel signal with the fast gate-type 3D TV platform of 120Hz and is set forth; Other can be able on this basis deduce, extend and realize as realizing on the fast gate-type 3D TV platform of 240Hz that double-channel signal is handled with demonstration, therefore also belongs to this scope of patent protection.In addition; On polarisation 3D TV platform; Also can deliver to the screen of display through the 3D form that the binary channels input signal format is turned to passage A and channel B line interlacing; So, when customer group A wore left and right sides eyeglass and is the polaroid glasses of clockwise circular polarization (or counterclockwise circular polarization), what see was passage A picture (or channel B picture) and can't see channel B picture (or passage A picture).When customer group B wears left and right sides eyeglass and is the polaroid glasses of counterclockwise circular polarization (or clockwise circular polarization); What see is channel B picture (or passage A picture) and can't see passage A picture (or channel B picture), also can realize that the full frame picture of binary channels shows.
The double-channel signal that the present invention proposes is handled and Display Technique, expands based on the current 3D TV platform of popularizing day by day, after the input signal of two passages is caught, carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module; Said back end processing module is separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.Input signal to the indicator screen that makes image processor can export two passages carries out timesharing and shows, realizes that twin-channel input signal all is to show on indicator screen with identical display physics resolution, improves user's visual enjoyment.
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 (10)
1. the method that double-channel signal is handled and shown is used for display, and said display comprises image processor and back end processing module, it is characterized in that, comprises step:
After image processor is caught the input signal of two passages, carry out 3D format amalgamation and form the 3D signal, and be sent to back end processing module;
Said back end processing module is separated the 3D format analysis processing with the 3D signal, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.
2. the method for claim 1 is characterized in that, the input signal of said two passages is anolog TV signals, analog video signal, VGA/ component signal, digital television signal/USB or HDMI/DVI digital signal.
3. the method for claim 1 is characterized in that, said image processor carries out 3D format amalgamation with the input signal of two passages and comprises:
With the input signal of said two passages piece together the 3D signal of left and right sides form, 3D signal, the level of form interweave or the 3D signal of order format up and down.
4. the method for claim 1 is characterized in that, the input signal of said two passages is carried out also comprising before the 3D format amalgamation:
Image processor carries out the convergent-divergent processing respectively with the input signal of said two passages, goes interlacing processing and frame frequency conversion to handle.
5. the method for claim 1 is characterized in that, said back end processing module is separated the 3D format analysis processing with said 3D signal, separates the frame of video series of corresponding said two passages also to comprise afterwards the 3D signal of amalgamation:
Said back end processing module carries out convergent-divergent with the frame of video series of said two passages, frame frequency conversion and/or motion compensation.
6. a double-channel signal is handled and device shown, it is characterized in that, comprises image processor and back end processing module, wherein:
Said image processor after being used for the input signal of two passages caught, carries out 3D format amalgamation and forms the 3D signal, and be sent to back end processing module;
Said back end processing module is used for the 3D signal is separated the 3D format analysis processing, separate the frame of video of corresponding said two passages serial the 3D signal of amalgamation, and timesharing shows on indicator screen.
7. device as claimed in claim 6 is characterized in that, the input signal of said two passages is anolog TV signals, analog video signal, VGA/ component signal, digital television signal/USB or HDMI/DVI digital signal.
8. device as claimed in claim 6; It is characterized in that said image processor carries out 3D format amalgamation with the input signal of two passages and comprises: with the input signal of said two passages piece together the 3D signal of left and right sides form, 3D signal, the level of form interweave or the 3D signal of order format up and down.
9. device as claimed in claim 6 is characterized in that, said image processor also is used for the input signal of said two passages is carried out the convergent-divergent processing respectively, goes interlacing processing and frame frequency conversion to handle.
10. device as claimed in claim 6 is characterized in that, said back end processing module also is used for the frame of video series of said two passages being carried out convergent-divergent, frame frequency conversion and/or motion compensation.
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Application publication date: 20120502 |