CN103327352A - Device and method for achieving double display screen 3D display by adoption of serial processing mode - Google Patents
Device and method for achieving double display screen 3D display by adoption of serial processing mode Download PDFInfo
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Abstract
The invention discloses a device and method for achieving double display screen 3D display by the adoption of a serial processing mode. The device comprises an image segmentation unit, a left eye image buffering unit, a right eye image buffering unit, a first channel switching unit, an image processing unit, a second channel switching unit, a left eye image driving buffering unit, a right eye image driving buffering unit, a left display unit, a right display unit and a control unit. The serial processing mode that gating input is performed on a left eye image signal and a right eye image signal after segmentation and image processing is performed on the input image signals is adopted, and the processing speed of the serial processing mode is comparative to that of a mode that in the prior art, parallel image processing is performed on 3D image signals. However, regarding the achieving of the method, the method for the 3D display is easier to achieve, and configuration cost is also lower.
Description
Technical field
The invention belongs to the Display Technique field, relate to a kind of 3D display unit and method thereof, specifically a kind of design of adopting the serial process mode to realize the device and method that double-display screen 3D shows.
Background technology
Development and reform along with science and technology, the Display Technique field also shows the demonstration epoch that are transitioned into LCD, LED from CRT, and people are also from watching the 2D video image to begin gradually the 3D stereo display technique has been proposed requirement, thereby so-called 3D Display Technique is to utilize a series of optical meanss to make people's right and left eyes produce parallax to receive different pictures, in people's brain formation 3D stereo display effect.3D display unit of the prior art and method, mainly comprise two large classes: the first kind is to use unitary display to show the 3D display unit of eyes video image by the synchronous interlacing of method of physical space distribution, it is divided into again two, first is that the user watches 3D rendering by wearing polarization type 3D glasses, second is by making the light isolated gate in screen surface, make user's right and left eyes receive respectively different images, 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 is drop by half immediately also, and linearly polarized photon formula 3D glasses are by light polarizing film light to be selected, therefore the user wears angle and can produce certain impact to display effect, be both the reason because of light polarizing film, its display brightness can further descend again.
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, first is by adopting single display screen, the user watches 3D rendering by wearing shutter type 3 D spectacles, but because shutter type 3 D spectacles uses changing that the TN liquid crystal hides, printing opacity is cut, so its light transmittance is lower, only be 35%, and make the picture colour temperature produce certain skew, the display effect that the user is watched can produce certain impact.Second is to show the 3D rendering signal by double-display screen, be illustrated in figure 1 as the structured flowchart of the 3D display unit of prior art double-display screen, the user can wear the 3D glasses just can watch its 3D display effect, avoided because wear the display defect that the 3D glasses cause, it adopts parallel two GPU graphics processing units that 3D rendering is processed, but the problem that exists is the 3D display unit of two GPU, the framework of its system is complicated, reliability is low, the power consumption of system, the heating higher, and the device cost also higher.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of cost is low, framework simply adopts the serial process mode to realize the device and method that double-display screen 3D shows.
The technical scheme that the present invention solves its technical problem employing is: a kind of serial process mode that adopts realizes the device that double-display screen 3D shows, 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 drives buffer unit, left display unit and right display unit; The 3D rendering signal segmentation that described image segmentation unit is used for input is left-eye image signal and eye image signal; Described left eye buffer unit and right eye buffer unit are respectively applied to that the left-eye image signal and the eye image signal that obtain are cut apart in the image segmentation unit and carry out image buffer storage; The input of described first passage switch unit is connected with the output of left eye buffer unit with the right eye buffer unit, is used 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, is used for left-eye image signal or the eye image signal of the input of first passage switch unit are carried out the image processing; The input of described second channel switch unit is connected with the output of graphics processing unit, is used for left-eye image signal or eye image signal after gating output is processed; Described left-eye image drives buffer unit and is connected with the output of second channel switch unit with the input that eye image drives buffer unit, is respectively applied to left-eye image signal and the eye image signal of the output of second channel switch unit are driven buffer memory; The input of described left eye display unit is connected with the output that left-eye image drives buffer unit, the input of right eye display unit is connected with the output that eye image drives buffer unit, is respectively applied to the picture signal that left-eye image drives in buffer unit and the eye image driving buffer unit is shown.
Further, described graphics processing unit adopts the GPU graphics processing unit.
In order to address the above problem, the invention allows for a kind of serial process mode that adopts and realize the method that double-display screen 3D shows, specifically comprise the steps:
(1) the 3D rendering signal of input is cut apart, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out respectively buffer memory;
(2) with left-eye image signal and the input of eye image signal gating of buffer memory, wherein one tunnel picture signal of selected input is carried out image process, and the output of the picture signal gating after will processing;
(3) with other one tunnel picture signal selected input in the above-mentioned steps (2), other one tunnel picture signal of selected input is carried out image process, and picture signal gating output after will processing;
(4) left-eye image signal and eye image signal after the processing of output in above-mentioned steps (2) and the step (3) are driven buffer memory;
Left-eye image signal and the eye image signal that (5) will drive behind the buffer memory show at two display screens simultaneously.
The invention has the beneficial effects as follows: a kind of device and method that adopts the serial process mode to realize that double-display screen 3D shows that the present invention proposes utilizes two passage switch units and single image processing unit to carry out the demonstration of 3D rendering, it adopts the data processing method of serial to utilize fully the function of graphics processing unit, the mode of implementing is simple, also reduced deployment cost, and the principle of its imaging is comparatively similar to the imaging mode of human eye, makes people can not produce discomfort when watching 3D rendering or 3D video.
Description of drawings
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 that adopts the serial process mode to realize the device that double-display screen 3D shows of the embodiment of the invention;
Fig. 3 is a kind of FB(flow block) that adopts the serial process mode to realize the method that double-display screen 3D shows of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described.
Be illustrated in figure 2 as a kind of structured flowchart that adopts the serial process mode to realize the device that double-display screen 3D shows of the embodiment of the 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 drives buffer unit, left display unit and right display unit; Described image segmentation unit is used for the 3D rendering signal is cut apart as the input of 3D rendering signal, is divided into left-eye image signal and eye image signal; Described left eye buffer unit is connected input and is connected with the output of image segmentation unit respectively with the right eye buffer unit, be respectively applied to left-eye image signal and eye image signal are carried out image buffer storage; The input of described first passage switch unit is connected with the output of left eye buffer unit with the right eye buffer unit, is used 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, is used for left-eye image signal and the eye image signal of the input of first passage switch unit are carried out the image processing; The input of described second channel switch unit is connected with the output of graphics processing unit, is used for left-eye image signal and eye image signal after gating output is processed; Described left-eye image drives buffer unit and is connected with the output of second channel switch unit with the input that eye image drives buffer unit, is respectively applied to left-eye image signal and the eye image signal of the output of second channel switch unit are driven buffer memory; The input of described left eye display unit is connected with the output that left-eye image drives buffer unit, the input of right eye display unit is connected with the output that eye image drives buffer unit, is respectively applied to the picture signal that left-eye image drives in buffer unit and the eye image driving buffer unit is shown.
Described graphics processing unit adopts the GPU graphics processing unit, and the GPU graphics processing unit is to be exclusively used in the processing unit of processing image, video.3D display unit of the present invention is by adopting the single image processing unit to realize the demonstration of 3D rendering, adopt the 3D display unit of the double-display screen of dual image processing unit to compare with prior art, its utilance to graphics processing unit is higher, has also more saved the deployment cost of device.
Here can also comprise control unit, all unit of control unit and other are connected, and are used for the work schedule of other all unit of control, and wherein, control unit can adopt the MCU microcontroller, also can adopt other control processor.The left-eye image signal of first passage switch unit after to buffer memory and the judgement of the selected input of eye image signal, graphics processing unit is coordinated control to the gating output of processing rear left eye pattern image signal and eye image signal by control unit to processing sequential and the second channel switch unit of image, and first passage switch unit, the calculation process speed of graphics processing unit and second channel switch unit is the image segmentation unit, the left-eye image buffer unit, the 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 sequential are coordinated control by control unit, like this synchronism of guarantee picture when left display unit and right display unit carry out the 3D rendering demonstration at the same time.
Be illustrated in figure 3 as a kind of FB(flow block) that adopts the serial process mode to realize the method that double-display screen 3D shows of the embodiment of the invention, specifically comprise the steps:
(1) the 3D rendering signal of input is cut apart, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out respectively buffer memory;
(2) with left-eye image signal and the input of eye image signal gating of buffer memory, wherein one tunnel picture signal of selected input is carried out image process, and the output of the picture signal gating after will processing;
(3) with other one tunnel picture signal selected input in the above-mentioned steps (2), other one tunnel picture signal of selected input is carried out image process, and picture signal gating output after will processing;
(4) left-eye image signal and eye image signal after the processing of output in above-mentioned steps (2) and the step (3) are driven buffer memory;
Left-eye image signal and the eye image signal that (5) will drive behind the buffer memory show at two display screens simultaneously.
A kind of method that adopts the serial process mode to realize that double-display screen 3D shows of the present invention adopts the right and left eyes picture signal selected input after cutting apart, and the picture signal of input is carried out image process, the processing speed of its serial processing method and available technology adopting parallel image process the 3D rendering signal processing speed quite, but the 3D display packing of double-display screen of the present invention more easily realizes in the realization of method, and the cost of configuration is also lower.Wherein the control sequential that provided by control unit of the judgement of gating signal is come gating left-eye image signal or eye image signal, and the calculation process speed between selected input, image processing and gating period of output is buffer memory input and the twice that drives buffer memory output, the like this synchronism of guarantee left-and right-eye images demonstration.
The below can understand and implement this programme for the ease of those of ordinary skills, and the below's employing is a kind of preferred embodiment to be described a kind of device and method that adopts the serial process mode to realize that double-display screen 3D shows of the present invention:
A kind of serial process mode that adopts realizes the device that double-display screen 3D shows, comprise: the image segmentation unit, the left-eye image buffer unit, the eye image buffer unit, the first passage switch unit, graphics processing unit, the 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 the GPU graphics processing unit, control unit adopts the MCU microcontroller, the concrete course of work is: shown in the image segmentation unit be 30Hz with original 3D rendering signal segmentation, 1920 * 1080 left-eye image signal and eye image signal, this two paths of signals is deposited respectively in left-eye image buffer unit and eye image buffer unit, the picture signal of buffer memory is through first passage switch unit gating in left-eye image buffer unit and the eye image buffer unit, send into successively with the frequency serial of 60Hz and to carry out computing in the GPU graphics processing unit, zoom to required 1080 * 960 forms of display screen, frequency with 60Hz exports the second channel switch unit to again, it is successively with the left side of serial input, the eye image signal, exporting respectively left-eye image to drives in buffer unit and the eye image driving buffer unit, left-eye image drive buffer unit and eye image drive buffer unit again with the 30Hz Frequency Synchronization with a left side, the eye image signal exports left display unit to and right display unit shows simultaneously, and the sequential of each unit is controlled by the MCU microcontroller in whole signal processing.Described original 3D rendering signal is the vision signal that left-and right-eye images is combined in a frame, it is cut apart, behind the buffer memory, computing, speed with 2 times of frame frequencies before this, export successively the picture signal of right and left eyes to the image-driven buffer unit, be consistent to guarantee image display speed and input speed.
A kind of device and method that adopts the serial process mode to realize that double-display screen 3D shows of the present invention can be used in the production of reality in the head-mounted display of prior art, realizes that the 3D rendering of head-mounted display shows.
Claims (3)
1. one kind is adopted the serial process mode to realize the device that double-display screen 3D shows, 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 drives buffer unit, left display unit and right display unit; The 3D rendering signal segmentation that described image segmentation unit is used for input is left-eye image signal and eye image signal; Described left eye buffer unit and right eye buffer unit are respectively applied to that the left-eye image signal and the eye image signal that obtain are cut apart in the image segmentation unit and carry out image buffer storage; The input of described first passage switch unit is connected with the output of left eye buffer unit with the right eye buffer unit, is used 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, is used for left-eye image signal or the eye image signal of the input of first passage switch unit are carried out the image processing; The input of described second channel switch unit is connected with the output of graphics processing unit, is used for left-eye image signal or eye image signal after gating output is processed; Described left-eye image drives buffer unit and is connected with the output of second channel switch unit with the input that eye image drives buffer unit, is respectively applied to left-eye image signal and the eye image signal of the output of second channel switch unit are driven buffer memory; The input of described left eye display unit is connected with the output that left-eye image drives buffer unit, the input of right eye display unit is connected with the output that eye image drives buffer unit, is respectively applied to the picture signal that left-eye image drives in buffer unit and the eye image driving buffer unit is shown.
2. a kind of serial process mode that adopts as claimed in claim 1 realizes the device that double-display screen 3D shows, it is characterized in that, described graphics processing unit adopts the GPU graphics processing unit.
3. one kind is adopted the serial process mode to realize the method that double-display screen 3D shows, it is characterized in that, specifically comprises the steps:
(1) the 3D rendering signal of input is cut apart, be divided into left-eye image signal and eye image signal, and described left-eye image signal and eye image signal are carried out respectively buffer memory;
(2) with left-eye image signal and the input of eye image signal gating of buffer memory, wherein one tunnel picture signal of selected input is carried out image process, and the output of the picture signal gating after will processing;
(3) with other one tunnel picture signal selected input in the above-mentioned steps (2), other one tunnel picture signal of selected input is carried out image process, and picture signal gating output after will processing;
(4) left-eye image signal and eye image signal after the processing of output in above-mentioned steps (2) and the step (3) are driven buffer memory;
Left-eye image signal and the eye image signal that (5) will drive behind the buffer memory show at two display screens simultaneously.
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| 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 |
| CN114339188A (en) * | 2021-12-30 | 2022-04-12 | 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 |
| CN115032797A (en) * | 2022-06-30 | 2022-09-09 | 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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