CN103327352B - Serial process mode is adopted to realize the device and method of double-display screen 3D display - Google Patents
Serial process mode is adopted to realize the device and method of double-display screen 3D display Download PDFInfo
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- CN103327352B CN103327352B CN201310161108.4A CN201310161108A CN103327352B CN 103327352 B CN103327352 B CN 103327352B CN 201310161108 A CN201310161108 A CN 201310161108A CN 103327352 B CN103327352 B CN 103327352B
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Abstract
The invention discloses a kind of device and method adopting serial process mode to realize double-display screen 3D display, this device comprises image segmentation unit, left-eye image buffer unit, eye image buffer unit, first passage switch unit, graphics processing unit, second channel switch unit, left-eye image driving buffer unit, eye image driving buffer unit, left display unit, right display unit and control unit; It adopts the right and left eyes picture signal selected input after to segmentation, and image procossing is carried out to the picture signal of input, the suitable of the processing speed of data localized 3D rendering signal is adopted in the processing speed of its serial processing method and prior art, but the 3D display packing of double-display screen of the present invention more easily realizes in the realization of method, the cost of configuration is also lower.
Description
Technical field
The invention belongs to Display Technique field, relate to a kind of 3D display unit and method thereof, specifically a kind of design adopting serial process mode to realize the device and method that double-display screen 3D shows.
Background technology
Along with the development and reform of science and technology, Display Technique field is also transitioned into the display epoch of LCD, LED from CRT display, and people also from viewing 2D video image gradually requirement is proposed to 3D stereo display technique, so-called 3D Display Technique utilizes a series of optical means to make the right and left eyes of people produce parallax thus receive different pictures, forms 3D stereo display effect at the brain of people.3D display unit of the prior art and method, mainly comprise two large classes: the first kind is the 3D display unit of the method synchronous interlacing display eyes video image using unitary display to be distributed by physical space, it is divided into again two, Section 1 is that user passes through to wear polarization type 3D glasses viewing 3D rendering, Section 2 is by making light isolated gate in screen surface, make user's right and left eyes receive different images respectively, and reach the bore hole 3D technology of 3D display effect.But adopt space allocation method can make the horizontal resolution drop by half of image, its display brightness also drop by half immediately, and linearly polarized photon formula 3D glasses are selected light by light polarizing film, therefore the wearing angle and can produce certain impact to display effect of user, be both because the reason of light polarizing film, its display brightness can decline again further.
Equations of The Second Kind is the 3D display unit by time-sharing procedure asynchronous display eyes 3D rendering signal, it is divided into again two, Section 1 is by adopting single display screen, user by wearing shutter type 3 D spectacles, viewing 3D rendering, but change because shutter type 3 D spectacles uses TN liquid crystal to carry out hiding, printing opacity is cut, so its light transmittance is lower, be only 35%, and make scene color temperature produce certain skew, certain impact can be produced on the display effect of user's viewing.Section 2 is by double-display screen display 3D rendering signal, be illustrated in figure 1 the structured flowchart of the 3D display unit of prior art double-display screen, user can wear 3D glasses just can watch its 3D display effect, avoid because wear the display defect that 3D glasses cause, it adopts parallel two GPU graphics processing units to process 3D rendering, but Problems existing is the 3D display unit of two GPU, the framework of its system is complicated, reliability is low, power consumption, the heating of system are higher, and the cost of device is also higher.
Summary of the invention
The device and method that technical problem to be solved by this invention is to provide that a kind of cost is low, framework simply adopts serial process mode to realize double-display screen 3D to show.
The technical scheme that the present invention solves the employing of its technical problem is: a kind of device adopting serial process mode to realize double-display screen 3D display, comprising: image segmentation unit, left-eye image buffer unit, eye image buffer unit, first passage switch unit, graphics processing unit, second channel switch unit, left-eye image drive buffer unit, eye image to drive buffer unit, left display unit and right display unit; It is left-eye image signal and eye image signal that described image segmentation unit is used for the 3D rendering signal segmentation of input; Described left eye buffer unit and right eye buffer unit are respectively used to split to image segmentation unit the left-eye image signal that obtains and eye image signal carries out image buffer storage; The input of described first passage switch unit is connected with the output of left eye buffer unit with right eye buffer unit, for left-eye image signal or the eye image signal of selected input buffer memory; The input of described graphics processing unit is connected with the output of first passage switch unit, carries out image procossing for the left-eye image signal that inputs first passage switch unit or eye image signal; The described input of second channel switch unit is connected with the output of graphics processing unit, for the left-eye image signal after gating output processing or eye image signal; Described left-eye image drives buffer unit and eye image to drive the input of buffer unit to be connected with the output of second channel switch unit, is respectively used to carry out driving buffer memory to the left-eye image signal of second channel switch unit output and eye image signal; Input and the left-eye image of described left eye display unit drive the output of buffer unit to be connected, input and the eye image of right eye display unit drive the output of buffer unit to be connected, and are respectively used to drive buffer unit and eye image to drive the picture signal in buffer unit to show to left-eye image.
Further, described graphics processing unit adopts GPU graphics processing unit.
In order to solve the problem, the invention allows for a kind of method adopting serial process mode to realize double-display screen 3D display, specifically comprising the steps:
(1) the 3D rendering signal of input is split, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out buffer memory respectively;
(2) by the left-eye image signal of buffer memory and the input of eye image signal gating, image procossing is carried out to a wherein road picture signal of selected input, and the picture signal gating after process is exported;
(3) by the other road picture signal selected input in above-mentioned steps (2), image procossing is carried out to an other road picture signal of selected input, and after processing, picture signal gating exports;
(4) driving buffer memory is carried out to the left-eye image signal after the process exported in above-mentioned steps (2) and step (3) and eye image signal;
(5) the left-eye image signal after driving buffer memory and eye image signal are shown simultaneously on two display screens.
The invention has the beneficial effects as follows: a kind of device and method adopting serial process mode to realize double-display screen 3D display that the present invention proposes utilizes two passage bridge unit and single image processing unit to carry out the display of 3D rendering, it adopts the data processing method of serial to make use of the function of graphics processing unit fully, the mode implemented is simple, also reduce deployment cost, and the principle of its imaging is comparatively similar to the imaging mode of human eye, make people can not produce discomfort when watching 3D rendering or 3D video.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the 3D display unit of prior art double-display screen;
Fig. 2 is a kind of structured flowchart adopting serial process mode to realize the device that double-display screen 3D shows of the embodiment of the present invention;
Fig. 3 is a kind of FB(flow block) adopting serial process mode to realize the method that double-display screen 3D shows of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described.
Be illustrated in figure 2 a kind of structured flowchart adopting serial process mode to realize the device that double-display screen 3D shows of the embodiment of the present invention, comprise: image segmentation unit, left-eye image buffer unit, eye image buffer unit, first passage switch unit, graphics processing unit, second channel switch unit, left-eye image drive buffer unit, eye image to drive buffer unit, left display unit and right display unit; Described image segmentation unit, as the input of 3D rendering signal, for splitting 3D rendering signal, is divided into left-eye image signal and eye image signal; Described left eye buffer unit is connected with the output of image segmentation unit respectively with the input of right eye buffer unit, is respectively used to carry out image buffer storage to left-eye image signal and eye image signal; The input of described first passage switch unit is connected with the output of left eye buffer unit with right eye buffer unit, for left-eye image signal and the eye image signal of selected input buffer memory; The input of described graphics processing unit is connected with the output of first passage switch unit, carries out image procossing for the left-eye image signal that inputs first passage switch unit and eye image signal; The described input of second channel switch unit is connected with the output of graphics processing unit, for the left-eye image signal after gating output processing and eye image signal; Described left-eye image drives buffer unit and eye image to drive the input of buffer unit to be connected with the output of second channel switch unit, is respectively used to carry out driving buffer memory to the left-eye image signal of second channel switch unit output and eye image signal; Input and the left-eye image of described left eye display unit drive the output of buffer unit to be connected, input and the eye image of right eye display unit drive the output of buffer unit to be connected, and are respectively used to drive buffer unit and eye image to drive the picture signal in buffer unit to show to left-eye image.
Described graphics processing unit adopts GPU graphics processing unit, and GPU graphics processing unit is the processing unit being exclusively used in process image, video.The display of 3D display unit of the present invention by adopting single image processing unit to realize 3D rendering, compared with the 3D display unit adopting the double-display screen of dual image processing unit with prior art, it is higher to the utilance of graphics processing unit, has also more saved the deployment cost of device.
Here can also comprise control unit, control unit is connected with other all unit, and for controlling the work schedule of other all unit, wherein, control unit can adopt MCU microcontroller, also can adopt other control processor.First passage switch unit is to the judgement of the selected input of the left-eye image signal after buffer memory and eye image signal, to the process sequential of image and second channel switch unit, the gating to process rear left eye pattern image signal and eye image signal exports by control unit cooperation control graphics processing unit, and first passage switch unit, the calculation process speed of graphics processing unit and second channel switch unit is image segmentation unit, left-eye image buffer unit, eye image buffer unit, left-eye image drives buffer unit, eye image drives buffer unit, the twice of the calculation process speed of left display unit and right display unit, all calculation process speed and Control timing sequence are by control unit cooperation control, the synchronism of such guarantee picture when left display unit and right display unit carry out 3D rendering display at the same time.
Be illustrated in figure 3 a kind of FB(flow block) adopting serial process mode to realize the method that double-display screen 3D shows of the embodiment of the present invention, specifically comprise the steps:
(1) the 3D rendering signal of input is split, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out buffer memory respectively;
(2) by the left-eye image signal of buffer memory and the input of eye image signal gating, image procossing is carried out to a wherein road picture signal of selected input, and the picture signal gating after process is exported;
(3) by the other road picture signal selected input in above-mentioned steps (2), image procossing is carried out to an other road picture signal of selected input, and after processing, picture signal gating exports;
(4) driving buffer memory is carried out to the left-eye image signal after the process exported in above-mentioned steps (2) and step (3) and eye image signal;
(5) the left-eye image signal after driving buffer memory and eye image signal are shown simultaneously on two display screens.
A kind of method adopting serial process mode to realize double-display screen 3D display of the present invention adopts the right and left eyes picture signal selected input after to segmentation, and image procossing is carried out to the picture signal of input, the suitable of the processing speed of data localized 3D rendering signal is adopted in the processing speed of its serial processing method and prior art, but the 3D display packing of double-display screen of the present invention more easily realizes in the realization of method, the cost of configuration is also lower.The Control timing sequence that wherein judgement of gating signal is provided by control unit comes gating left-eye image signal or eye image signal, and in the twice that selected input, calculation process speed between image procossing and gating period of output are buffer memory input and drive buffer memory to export, the synchronism of such guarantee left-and right-eye images display.
Can understand for the ease of those of ordinary skill in the art below and implement this programme, adopt below a kind of preferred embodiment to the present invention a kind of adopt serial process mode realize double-display screen 3D show device and method be described:
A kind of device adopting serial process mode to realize double-display screen 3D display, comprise: image segmentation unit, left-eye image buffer unit, eye image buffer unit, first passage switch unit, graphics processing unit, second channel switch unit, left-eye image drives buffer unit, eye image drives buffer unit, left display unit, right display unit and control unit, wherein said graphics processing unit adopts GPU graphics processing unit, control unit adopts MCU microcontroller, the concrete course of work is: original 3D rendering signal segmentation is 30Hz by shown image segmentation unit, the left-eye image signal of 1920 × 1080 and eye image signal, this two paths of signals is by respectively stored in left-eye image buffer unit and eye image buffer unit, in left-eye image buffer unit and eye image buffer unit, the picture signal of buffer memory is through first passage switch unit gating, send into successively in GPU graphics processing unit with the frequency serial of 60Hz and carry out computing, zoom to 1080 × 960 forms needed for display screen, again with the rate-adaptive pacemaker of 60Hz to second channel switch unit, it is successively by a left side for serial input, eye image signal, exporting left-eye image respectively to drives buffer unit and eye image to drive in buffer unit, left-eye image drive buffer unit and eye image drive buffer unit again with 30Hz Frequency Synchronization by a left side, eye image signal exports left display unit to and right display unit shows simultaneously, in whole signal processing, the sequential of each unit controls by MCU microcontroller.Described original 3D rendering signal is the vision signal that left-and right-eye images is combined in a frame, splitting it, buffer memory, after computing, with the speed of frame frequency 2 times before this, export the picture signal of right and left eyes to image-driven buffer unit successively, to ensure that picture display rate and input speed are consistent.
A kind of device and method adopting serial process mode to realize double-display screen 3D display of the present invention can be used in the head-mounted display of prior art in the production of reality, realizes the 3D rendering display of head-mounted display.
Claims (3)
1. the device adopting serial process mode to realize double-display screen 3D display, it is characterized in that, comprising: image segmentation unit, left-eye image buffer unit, eye image buffer unit, first passage switch unit, graphics processing unit, second channel switch unit, left-eye image drive buffer unit, eye image to drive buffer unit, left display unit and right display unit; It is left-eye image signal and eye image signal that described image segmentation unit is used for the 3D rendering signal segmentation of input; Described left eye buffer unit and right eye buffer unit are respectively used to split to image segmentation unit the left-eye image signal that obtains and eye image signal carries out image buffer storage; The input of described first passage switch unit is connected with the output of left eye buffer unit with right eye buffer unit, for left-eye image signal or the eye image signal of selected input buffer memory; The input of described graphics processing unit is connected with the output of first passage switch unit, carries out image procossing for the left-eye image signal that inputs first passage switch unit or eye image signal; The described input of second channel switch unit is connected with the output of graphics processing unit, for the left-eye image signal after gating output processing or eye image signal; Described left-eye image drives buffer unit and eye image to drive the input of buffer unit to be connected with the output of second channel switch unit, is respectively used to carry out driving buffer memory to the left-eye image signal of second channel switch unit output and eye image signal; Input and the left-eye image of described left eye display unit drive the output of buffer unit to be connected, input and the eye image of right eye display unit drive the output of buffer unit to be connected, and are respectively used to drive buffer unit and eye image to drive the picture signal in buffer unit to show to left-eye image.
2. a kind of device adopting serial process mode to realize double-display screen 3D display as claimed in claim 1, it is characterized in that, described graphics processing unit adopts GPU graphics processing unit.
3. adopt serial process mode to realize a method for double-display screen 3D display, it is characterized in that, specifically comprise the steps:
(1) the 3D rendering signal of input is split, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out buffer memory respectively;
(2) by the left-eye image signal of buffer memory and the input of eye image signal gating, image procossing is carried out to a wherein road picture signal of selected input, and the picture signal gating after process is exported;
(3) by the other road picture signal selected input in above-mentioned steps (2), image procossing is carried out to an other road picture signal of selected input, and after processing, picture signal gating exports;
(4) driving buffer memory is carried out to the left-eye image signal after the process exported in above-mentioned steps (2) and step (3) and eye image signal;
(5) the left-eye image signal after driving buffer memory and eye image signal are shown simultaneously on two display screens.
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| CN104581119B (en) * | 2014-12-31 | 2017-06-13 | 青岛歌尔声学科技有限公司 | A kind of display methods of 3D rendering and a kind of helmet |
| CN106257321B (en) * | 2016-06-28 | 2021-11-30 | 京东方科技集团股份有限公司 | 3D head-up display system and method |
| CN107632808A (en) * | 2017-09-25 | 2018-01-26 | 上海闻泰信息技术有限公司 | Display screen auto-changing terminal and its transform method |
| CN114339188B (en) * | 2021-12-30 | 2024-02-27 | 上海曼恒数字技术股份有限公司 | Multi-view virtual reality immersive display method, device, medium and electronic equipment |
| CN115032797B (en) * | 2022-06-30 | 2023-12-08 | 恒玄科技(上海)股份有限公司 | Display method for wireless intelligent glasses and wireless intelligent glasses |
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| CN102340585A (en) * | 2010-07-23 | 2012-02-01 | 宏碁股份有限公司 | Dual-screen electronic device and display method and display chip thereof |
| CN202363090U (en) * | 2011-11-24 | 2012-08-01 | Tcl数码科技（深圳）有限责任公司 | Multi-screen display device |
| CN202332225U (en) * | 2011-11-28 | 2012-07-11 | 郑州中原显示技术有限公司 | 3D (Three-dimensional) LED (Light Emitting Diode) display system |
| CN203243457U (en) * | 2013-05-03 | 2013-10-16 | 四川虹视显示技术有限公司 | Device of realizing dual-screen 3D display by using serial processing mode |
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