CN103093680A - Method and system for demonstrating high-definition image - Google Patents
Method and system for demonstrating high-definition image Download PDFInfo
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- CN103093680A CN103093680A CN201210477131XA CN201210477131A CN103093680A CN 103093680 A CN103093680 A CN 103093680A CN 201210477131X A CN201210477131X A CN 201210477131XA CN 201210477131 A CN201210477131 A CN 201210477131A CN 103093680 A CN103093680 A CN 103093680A
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Abstract
The invention provides a method for demonstrating a high-definition image. The method for demonstrating the high-definition image includes the following steps: S1, a server transmits demonstrating high-definition image data to be displayed to a main control computer, S2, the main control computer generates high-definition image display parameters and coincided sideband parameters and transmits the high-definition image display parameters to an image processor, S3, the image processor divides the high-definition image data into low-resolution image data to be displayed according to the high-definition image parameters, S4, a display device collects and combines the low-resolution image data into a whole high-definition image and displays the whole high-definition image on the display device. The invention further provides a system for demonstrating the high-definition image. According to the system and the method for demonstrating the high-definition image, high definition of the displayed image and elaborate visual effects are guaranteed, viewing effects of a numerical sand table are improved, an interactive application function of the numerical sand table is improved, and the application abilities in aspects of display and demonstration and the like of the numerical sand table are greatly improved.
Description
Technical field
The present invention relates to the image shows technical field, relate in particular to a kind of method and system of showing high-definition picture.
Background technology
Digital sand table is to merge mutually with solid model by sound, light, electricity, image, three-dimensional animation and computer program-control technology, can demonstrate fully the position characteristics, reach a kind of remarkably true to life, change colourful dynamic visual impact.
Digital sand table represents form as a kind of novel model and has received increasing concern, and it possesses following features with respect to traditional physics sand table:
(1) digital sand table can dynamically change the displaying ratio chi:
In a single day the engineer's scale of physics sand table builds up and fixes, and the nucleus in the middle of large tracts of land mould model does not often see Chu
Digital sand table can load the data of different scale dynamically, realizes that seamless amplification dwindles.Can be since a complete earth, be amplified to country, then be amplified to province, then to the city, arrive again the urban district, the residential quarter, the building monomer even can represent building monomer part and inner three-dimensional model, round nucleus, digital sand table can rotate alternately, fully represents the details of all angles of building, removes allowing the people walk about around sand table from.
(2) digital sand table has very high display resolution, fully the presenting information data:
The physics sand table adopts the titles such as mode mark road, river, building such as label, can not further represent more detailed information data again.For digital sand table, the inquiry that each pel on the sand table space, its abundant attribute data are can be as required detailed and representing.
Digital sand table needs very high display resolution show image on very large viewing area area, usually display area at tens square meters to the hundreds of square meter; Stadia computation with 10 meters, the viewing area of one 20 meters wide 10 meters high needs the display resolution of 5K * 2.5K pixel (total pixel number is up to 1,250 ten thousand) at least can approach and reach human eye retina's resolution requirements (400ppi left and right), exquisiteness shows the superelevation picture rich in detail smoothly, and the superelevation picture rich in detail can be given the splendid visual experience of spectators and feeling of immersion.And like this high display resolution, single common display equipment can't completely show, needs to use the display device unit of low resolution to be spliced.
(3) the digital sand table place can multifunctional multiplexing:
The physics sand table has fixedly occupied the place of equivalent area, simultaneously, also is difficult for sweeping after the upper dust that falls.And digital sand table directly shows on the ground, after spreading carpet on ground, can be used as multifunctional hall and uses.
But there is following defective in digital sand table of the prior art:
(1) in prior art, the display mode of most of digital sand tables is that a plurality of display screens composition single screens show, this display structure is on the one hand because a plurality of the small screen form a giant-screen, thereby the inevasible physically physical-gap that causes between screen, thereby make display screen show that image can't keep view picture complete, exist the people for cutting apart; On the other hand, the most many main frames distributed (namely a main control server adds some node machines) that adopt of digital sand table signal source, the problem of this pattern maximum is the simultaneous display control of signal source, especially for the display application of real-time rendering class, synchronous ageing requirement for each node machine is higher, owing to can't guaranteeing fully that the phenomenon that picture is torn appears in synchronous precision in the time of can causing large screen display, seriously affect the viewing effect of digital sand table, resolution is higher, and this phenomenon is further serious.
(2) when spectators watch large-area sharpness screen curtain, be blocked in order to prevent sight line, observation point generally can be in the center of flat curtain, and this has just caused observation point and screen to consist of a stravismus cone.The picture of seeing will produce a perspective distortion, and a normal building seems to become very short, and the facade of building seems also can tilt, and is that cubical model has seemed into a very short terrace with edge originally.
Summary of the invention
The object of the invention is to design a kind of method and system of novel displaying high-definition picture, solve in the Image Mosaics procedure for displaying gap problem and in the problem of stravismus state hypograph stravismus cone perspective distortion.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of system that shows high-definition picture comprises:
Be used for storing and exporting the server of high resolution image data to be shown;
Be used for generating described high-definition picture display parameter and overlap sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter are sent to the main control computer of image processor;
Described image processor is used for cutting apart generation low resolution image data to be shown and described high-resolution data being outputed to display device according to described high-definition picture parameter;
Described display device is used for converging and showing described low-resolution image;
Described server, described main control computer, described image processor and the display device of being connected connect successively.
Preferably, described image processor also comprises means for correcting.
Preferably, described means for correcting also comprises geometry correction device and colour correcting apparatus.
Preferably, described display device is greater than 2.
Preferably, described display device is projector, LED or LCD.
The present invention also provides a kind of method of showing high-definition picture, comprises the following steps:
S1, described server sends to described main control computer with described high resolution image data to be shown;
S2, described main control computer generate the high-definition picture display parameter and overlap the sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter are sent to described image processor;
S3, described image processor is cut apart generation low resolution image data to be shown and described low resolution image data is outputed to described display device according to described high-definition picture parameter;
S4, described display device converge described low resolution image data and are combined into high-definition picture integral body and show on described display device.
Preferably, also comprise before S1: determine the position of display device and the display view angle parameter is set and the observation visual angle parameter.
Preferably, the method for the described main control computer generation of S2 high-definition picture display parameter specifically comprises the following steps:
S21, described main control computer extracts described high-definition picture display parameter;
S22, described main control computer distributes described high-definition picture display parameter.
Preferably, the described image processor of S3 is cut apart generation low resolution image data to be shown according to described high-definition picture parameter, is specially: described image processor carries out image segmentation and sideband elimination of hidden or overlaps the sideband elimination of hidden according to the image of described high resolving power display parameter to the overlapping or occlusion area of described display device.
Preferably, described image processor comprises the following steps the concrete grammar of described image segmentation and sideband elimination of hidden:
S31 determines the viewing area of low-resolution display devices;
S32 generates the overlapping or occlusion area of described display device viewing area;
S33 carries out unification to the displaying contents of the overlapping or occlusion area of described display device viewing area;
S34 carries out elimination of hidden to the overlapping or occlusion area of described display device viewing area;
S35 is to the correct image in the overlapping or occlusion area of described display device viewing area.
As can be seen from the above technical solutions, beneficial effect of the present invention can be summarized as follows:
1. display screen of the present invention adopts the view picture screen, has eliminated the physical-gap between the screen that traditional splicing exists, thereby has made screen display high-resolution picture view picture keep complete, and is unmanned for cutting apart.And after adopting seamless fusion treatment technology, more eliminated optical slot, thus make the image of demonstration in full accord, without any physics or optical segmentation, guaranteed integrality and the aesthetic property of display of high resolution images;
2. signal source adopts the single host pattern, has realized the digital sand table new model that single main frame ultrahigh resolution image shows, hardware maintenance is simple, makes system's energy saving more, environmental protection;
3. because signal source adopts the single host pattern, making high resolution large screen is all a single screen physically and in logic, realized desktop level splicing syncretizing effect, has extremely strong opening, not only can show the interactive three-dimensional scenic of real-time rendering, can also play the film video, demonstration ppt, the pdf document even can move the large-scale three dimensional game.
Description of drawings
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is image processor inner structure schematic diagram of the present invention;
Fig. 3 is the method flow schematic diagram of displaying full resolution pricture of the present invention;
Fig. 4 is the workflow schematic diagram of image processor of the present invention.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.
The invention provides a kind of method and system of showing high-definition picture, be used for solving the gap problem of Image Mosaics procedure for displaying and the problem of boring perspective distortion in stravismus state hypograph stravismus.
See also Fig. 1, the system of the displaying high-definition picture in the embodiment of the present invention comprises: the server that is used for storing and exporting high resolution image data to be shown; Be used for generating described high-definition picture display parameter and overlap sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter are sent to the main control computer of image processor; Described image processor is used for cutting apart generation low resolution image data to be shown and described high-resolution data being outputed to display device according to described high-definition picture parameter; Described display device is used for converging and showing described low-resolution image; Described server, described main control computer, described image processor and the display device of being connected connect successively.Described image processor also comprises means for correcting.Described means for correcting also comprises geometry correction device and colour correcting apparatus.Described display device is greater than 2.Described display device is projector, LED or LCD.
Wherein, described main control computer is used for generating the high-definition picture display parameter, described high-definition picture display parameter comprise display screen viewing area parameter, observation visual angle parameter and low resolution display unit display parameter, and main control computer is used for described high-definition picture display parameter are distributed to image processor.
Wherein, described image processor is image segmentation and sideband elimination of hidden device.
Wherein, described image segmentation and sideband elimination of hidden device are some, and every image segmentation and sideband elimination of hidden device be corresponding controls some display devices.Described image segmentation and sideband elimination of hidden device are used for cutting apart generation high resolution image data to be shown according to the high-definition picture display parameter that receive from main control computer, are used for simultaneously controlling some display devices and show that simultaneously described high resolution image data is to display device; The low resolution image data of the corresponding control display of each image segmentation and sideband elimination of hidden device jointly converges on display screen and is combined into high-definition picture integral body.
Wherein, described image segmentation and sideband elimination of hidden device also comprise sideband blanking system and visual angle fitting correction system.
Described sideband elimination of hidden is used for the effect that overlaps a sideband image (as two tomographic images stacks) and be processed into a tomographic image, eliminates or hides wherein one deck.See also Fig. 2, described sideband blanking system specifically comprises:
System is determined in low resolution display unit zone: the viewing area that is used for determining according to the viewing area parameter of its separate unit display device that receives each display device;
Overlapping or occlusion area generation system: be used at procedure for displaying, the formed overlapping or occlusion area in the viewing area of adjacent display device is carried out location confirmation;
Overlapping or occlusion area displaying contents unification system: be used for the displaying contents of overlapping or occlusion area is carried out the coordinating and unifying, displaying contents is consistent;
Overlapping or occlusion area blanking system is used for overlapping to projection or occlusion area and brightness non-overlapped or that unshielding is regional are regulated, and guarantees that brightness preservation is consistent;
Geometry correction system: be used for correcting the deformation effect that shows image, guarantee to show the images match splicing of overlapping or occlusion area;
Color calibration system: be used for coordinating each other to guarantee that at each image segmentation and sideband elimination of hidden device colour temperature and colour gamut that full frame high-definition picture shows are consistent;
Wherein, described visual angle fitting correction system specifically comprises:
Observation visual angle modeling system: be used for going out three-dimensional model under the observation visual angle state according to display screen viewing area parameter and observation visual angle parameter simulation;
Display matrix fitting correction system: the three-dimensional model under the observation visual angle state that is used for obtaining according to described simulation calculates image fitting correction matrix equation result, and according to the fitting correction equation, the demonstration image is carried out sending to its corresponding display device after fitting correction.
Wherein, described display device number of units amount is not less than 2, and display resolution is not less than 1024 * 768 (pixels).Described display device is ground curtain display screen or perpendicular screen display screen, and described ground curtain display screen arranges in horizontal direction, and it is the monoblock screen that ground curtain display screen advances in institute; Described perpendicular screen display screen is the vertical direction setting at an end of described ground curtain display screen, and described perpendicular screen display screen is the monoblock screen.
Described display device is comprised of several low resolution display units, and for example: if the low resolution display unit is projector, display system just refers to projector's matrix; If the low resolution display unit is liquid crystal-spliced display, display system is exactly liquid crystal display splicing wall so.
Display screen of the present invention adopts the view picture screen, has eliminated the physical-gap between the screen that traditional splicing exists, thereby has made screen display high-resolution picture view picture keep complete, and is unmanned for cutting apart.And after adopting seamless fusion treatment technology, more eliminated optical slot, thus make the image of demonstration in full accord, without any physics or optical segmentation, guaranteed integrality and the aesthetic property of display of high resolution images.
See also Fig. 3, a kind of method of showing high-definition picture also be provided in the embodiment of the present invention, be used for solving the gap problem of Image Mosaics procedure for displaying and the problem of boring perspective distortion in stravismus state hypograph stravismus, specifically comprise the following steps:
S1, described server sends to described main control computer with described high resolution image data to be shown;
Also needed determine the display device orientation and display view angle be set and observation visual angle before step S1.According to the structure that represents the space, can be horizontally disposed with on the ground ground curtain display screen, perpendicular screen display screen also can be set on wall; Display view angle is by the display screen center and perpendicular to the virtual cone on display screen plane, and the height of this cone is determined by the height of display space.Observation visual angle is by optimal viewing point location positioning, and the described observation cone is to be put the formed cone of line of 4 jiaos of display screens by optimal viewing.
S2, described main control computer generate the high-definition picture display parameter and overlap the sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter are sent to described image processor;
In this step, described main control computer generates the method for high-definition picture display parameter, specifically comprises the following steps:
S21, described main control computer extracts described high-definition picture display parameter, be specially: main control computer extracts display view angle parameter and observation visual angle parameter, and determine display screen viewing area parameter and low resolution display unit region parameter according to display view angle parameter and observation visual angle parameter, and determine high resolution image data parameter to be shown according to current displaying scheme;
S22, described main control computer distributes described high-definition picture display parameter, concrete machine main control computer with described display view angle parameter and observation visual angle parameter, display screen viewing area parameter, low resolution display unit region parameter and high resolution image data parametric distribution to image segmentation and sideband elimination of hidden device.
S3, described image processor is cut apart generation low resolution image data to be shown and described low resolution image data is outputed to described display device according to described high-definition picture parameter;
In this step, described image processor carries out image segmentation and sideband elimination of hidden or overlaps the sideband elimination of hidden according to the image of described high resolving power display parameter to the overlapping or occlusion area of described display device.
See also Fig. 4, described image segmentation and sideband elimination of hidden specifically comprise the following steps:
S31, determine the viewing area of low-resolution display devices: image processor is determined the viewing area of each display device according to the low resolution display unit region parameter that receives;
S32 generates the overlapping or occlusion area of described display device viewing area: image processor carries out location confirmation to the formed overlapping or occlusion area in adjacent display device viewing area;
S33, the displaying contents of the overlapping or occlusion area of described display device viewing area is carried out unification: image processor carries out the coordinating and unifying to the displaying contents in overlapping or occlusion area, displaying contents is consistent and continuously;
S34, the overlapping or occlusion area of described display device viewing area is carried out elimination of hidden: image processor carries out the unification operational processes to described overlapping or occlusion area and remaining is non-overlapped or unshielding is regional brightness;
S35, the image in the overlapping or occlusion area of described display device viewing area is carried out geometry correction: image processor is proofreaied and correct and is shown the anamorphose effect, guarantees to show the images match splicing in overlapping or occlusion area;
S36, the image in the overlapping or occlusion area of described display device viewing area is carried out colour correction: image processor carries out the unification operational processes to colour temperature and colour gamut that full-screen image shows each other.
S4, described display device converge described low resolution image data and are combined into high-definition picture integral body and show on described display device.
Before step S4, also need high resolution image data is carried out the image aspects coupling, concrete steps are:
S41 builds the observation visual angle digital model: go out three-dimensional model under the observation visual angle state according to display view angle parameter and observation visual angle parameter simulation;
S42, the image aspects coupling: the observation visual angle state three-dimensional model that obtains according to described simulation calculates image fitting correction matrix equation result, and according to the geometry correction equation, the demonstration image is carried out sending to its corresponding display device after fitting correction.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (10)
1. a system that shows high-definition picture, is characterized in that, comprising:
Be used for storing and exporting the server of high resolution image data to be shown;
Be used for generating described high-definition picture display parameter and overlap sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter are sent to the main control computer of image processor;
Described image processor is used for cutting apart generation low resolution image data to be shown and described high-resolution data being outputed to display device according to described high-definition picture parameter;
Described display device is used for converging and showing described low-resolution image;
Described server, described main control computer, described image processor and the display device of being connected connect successively.
2. the system of displaying high-definition picture according to claim 1, is characterized in that, described image processor also comprises means for correcting.
3. the system of displaying high-definition picture according to claim 2, is characterized in that, described means for correcting also comprises geometry correction device and colour correcting apparatus.
4. the system of displaying high-definition picture according to claim 1, is characterized in that described display device is greater than 2.
5. the system of according to claim 1 or 4 described displaying high-definition pictures, is characterized in that, described display device is projector, LED or LCD.
6. a method of showing high-definition picture, is characterized in that, comprises the following steps:
S1, described server sends to described main control computer with described high resolution image data to be shown;
S2, described main control computer generate the high-definition picture display parameter and overlap the sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter are sent to described image processor;
S3, described image processor is cut apart generation low resolution image data to be shown and described low resolution image data is outputed to described display device according to described high-definition picture parameter;
S4, described display device converge described low resolution image data and are combined into high-definition picture integral body and show on described display device.
7. the method for displaying high-definition picture according to claim 6, is characterized in that, also comprises before S1: determine the position of display device and the display view angle parameter is set and the observation visual angle parameter.
8. the method for displaying high-definition picture according to claim 6, is characterized in that, the method that the described main control computer of S2 generates the high-definition picture display parameter specifically comprises the following steps:
S21, described main control computer extracts described high-definition picture display parameter;
S22, described main control computer distributes described high-definition picture display parameter.
9. the method for displaying high-definition picture according to claim 6, it is characterized in that, the described image processor of S3 is cut apart generation low resolution image data to be shown according to described high-definition picture parameter, is specially: described image processor carries out image segmentation and sideband elimination of hidden or overlaps the sideband elimination of hidden according to the image of described high resolving power display parameter to the overlapping or occlusion area of described display device.
10. the method for displaying high-definition picture according to claim 6, is characterized in that, described image processor comprises the following steps the concrete grammar of described image segmentation and sideband elimination of hidden:
S31 determines the viewing area of low-resolution display devices;
S32 generates the overlapping or occlusion area of described display device viewing area;
S33 carries out unification to the displaying contents of the overlapping or occlusion area of described display device viewing area;
S34 carries out elimination of hidden to the overlapping or occlusion area of described display device viewing area;
S35 is to the correct image in the overlapping or occlusion area of described display device viewing area.
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| CN103957374A (en) * | 2014-04-30 | 2014-07-30 | 南京欧帝科技股份有限公司 | 8K ultrahigh-definition display system based on DP interface |
| CN104751506A (en) * | 2013-12-25 | 2015-07-01 | 北京东方艾迪普科技发展有限公司 | Cluster rendering method and equipment for realizing three-dimensional graphic and image |
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