CN103093680B - Method and system for demonstrating high-definition image - Google Patents
Method and system for demonstrating high-definition image Download PDFInfo
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- CN103093680B CN103093680B CN201210477131.XA CN201210477131A CN103093680B CN 103093680 B CN103093680 B CN 103093680B CN 201210477131 A CN201210477131 A CN 201210477131A CN 103093680 B CN103093680 B CN 103093680B
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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 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, optical, electrical, image, three-dimensional animation and computer program-control technology, can fully demonstrate position feature, 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 displaying ratio chi:
Once the engineer's scale of physics sand table builds up, fix, and the nucleus in the middle of large area mould model does not often see Chu.
Digital sand table can load the data of different scale dynamically, realizes seamless amplification and dwindles.Can be since a complete earth, be amplified to country, then be amplified to province, then to city, arrive again urban district, community, 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 from and allows people walk about around sand table.
(2) digital sand table has very high display resolution, fully presenting information data:
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, each pel on sand table space, the inquiry that its abundant attribute data can be detailed as required and representing.
Digital sand table needs very high display resolution show image on very large viewing area area, conventionally display area at tens square meters to 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 5Kx2.5K 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 superelevation picture rich in detail smoothly, and superelevation picture rich in detail can be given the splendid visual experience of spectators and feeling of immersion.And high display resolution like this, single common display equipment cannot completely show, need to use the display device unit of low resolution to be spliced.
(3) digital sand table place can multifunctional multiplexing:
Physics sand table has fixedly occupied the place of equivalent area, meanwhile, after the upper dust that falls, is also difficult for sweeping.And digital sand table directly shows on the ground, on upper berth, ground, after carpet, can be used as multifunctional hall and use.
But there is following defect 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 causing between screen, thereby make display screen show that image cannot keep view picture complete, exist people for cutting apart; On the other hand, the most many main frames distributed (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 cannot guaranteeing that the phenomenon that picture is torn appears in synchronous precision in the time of can causing large screen display completely, 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, in order to prevent that sight line is blocked, observation point generally can be in the center of flat curtain, and this has just caused observation point and screen to form 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, the problem that solves the gap problem in Image Mosaics procedure for displaying and bore perspective distortion in stravismus state hypograph stravismus.
To achieve these goals, the technical solution used in the present invention is as follows:
A system of showing high-definition picture, comprising:
For storing and export the server of high resolution image data to be shown;
For generating described high-definition picture display parameter and coincidence sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter being sent to the main control computer of image processor;
Described image processor is for cutting apart and generate low resolution image data to be shown and described high-resolution data is outputed to display device according to described high-definition picture parameter;
Described display device is used for converging and shows described low-resolution image;
Described server, described main control computer, described image processor and described display device are connected 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 by described high resolution image data to be shown;
S2, described main control computer generates high-definition picture display parameter and coincidence sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter is sent to described image processor;
S3, described image processor is cut apart and is generated 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 converges described low resolution image data to be combined into high-definition picture integral body and to show on described display device.
Preferably, before S1, also comprise: determine the position of display device and display view angle parameter is set and observation visual angle parameter.
Preferably, described in S2, the method for main control computer generation 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, described in S3, image processor is cut apart and is generated low resolution image data to be shown according to described high-definition picture parameter, is specially: described image processor carries out to the image of the overlapping or occlusion area of described display device according to described high resolving power display parameter that image is cut apart and sideband elimination of hidden or coincidence sideband elimination of hidden.
Preferably, described image processor is cut apart described image and the concrete grammar of sideband elimination of hidden comprises the following steps:
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, 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 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, unmanned for cutting apart.And adopt after seamless fusion treatment technology, more eliminated optical slot, thereby made 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 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 energy saving more, environmental protection;
3. because signal source adopts single host pattern, making high resolution large screen is all a single screen physically and in logic, realized desktop level splicing syncretizing effect, there is extremely strong opening, not only can show the interactive three-dimensional scenic of real-time rendering, can also play film video, demonstration ppt, pdf document, even can move large-scale three dimensional game.
Accompanying drawing explanation
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, for solving the gap problem of Image Mosaics procedure for displaying and the problem of boring perspective distortion in stravismus state hypograph stravismus.
Refer to Fig. 1, the system of the displaying high-definition picture in the embodiment of the present invention, comprising: for storing and export the server of high resolution image data to be shown; For generating described high-definition picture display parameter and coincidence sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter being sent to the main control computer of image processor; Described image processor is for cutting apart and generate low resolution image data to be shown and described high-resolution data is outputed to display device according to described high-definition picture parameter; Described display device is used for converging and shows described low-resolution image; Described server, described main control computer, described image processor and described display device are connected 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 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 for being distributed to image processor by described high-definition picture display parameter.
Wherein, described image processor is that image is cut apart and sideband elimination of hidden device.
Wherein, described image is cut apart and sideband elimination of hidden device is some, and every image is cut apart and some display devices of the corresponding control of sideband elimination of hidden device.The high-definition picture display parameter that described image is cut apart and sideband elimination of hidden device receives from main control computer for basis are cut apart generation high resolution image data to be shown, show that described high resolution image data is to display device for controlling some display devices simultaneously simultaneously; The low resolution image data that each image is cut apart and the corresponding control of sideband elimination of hidden device shows jointly converges and is combined into high-definition picture integral body on display screen.
Wherein, described image is cut apart and sideband elimination of hidden device also comprises sideband blanking system and visual angle fitting correction system.
Described sideband elimination of hidden is for being processed into coincidence sideband image (as two tomographic images stacks) effect of a tomographic image, eliminates or hides wherein one deck.Refer to Fig. 2, described sideband blanking system specifically comprises:
System is determined in low resolution display unit region: the viewing area of determining each display device for the viewing area parameter of the separate unit display device that receives according to it;
Overlapping or occlusion area generation system: at procedure for displaying, the formed overlapping or occlusion area in the viewing area of adjacent display device is carried out to location confirmation;
Overlapping or occlusion area displaying contents unification system: for the displaying contents of overlapping or occlusion area is carried out to the coordinating and unifying, displaying contents is consistent;
Overlapping or occlusion area blanking system, regulates for or occlusion area overlapping to projection and brightness non-overlapped or unshielding region, guarantees that brightness preservation is consistent;
Geometry correction system: for correcting the deformation effect that shows image, guarantee to show the images match splicing of overlapping or occlusion area;
Color calibration system: for cutting apart at each image and sideband elimination of hidden device coordinates to guarantee that colour temperature and colour gamut that full frame high-definition picture shows are consistent each other;
Wherein, described visual angle fitting correction system specifically comprises:
Observation visual angle modeling system: for going out the three-dimensional model under observation visual angle state according to display screen viewing area parameter and observation visual angle parameter simulation;
Display matrix fitting correction system: calculate image fitting correction matrix equation result for the three-dimensional model under the observation visual angle state obtaining according to described simulation, and according to fitting correction equation, 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 1024x768 (pixel).Described display device is ground curtain display screen or perpendicular screen display screen, and described ground curtain display screen arranges in horizontal direction, and described ground curtain display screen is monoblock screen; Described perpendicular screen display screen is vertical direction setting in one end of described ground curtain display screen, and described perpendicular screen display screen is monoblock screen.
Described display device is comprised of several low resolution display units, for example: if low resolution display unit is projector, display system just refers to projector's matrix; If 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 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, unmanned for cutting apart.And adopt after seamless fusion treatment technology, more eliminated optical slot, thereby made 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.
Refer to Fig. 3, a kind of method of showing high-definition picture be also provided in the embodiment of the present invention, 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 by described high resolution image data to be shown;
Before step S1, also need determine display device orientation and display view angle be set and observation visual angle.According to the structure that represents 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 display screen center and perpendicular to the virtual cone of 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 by optimal viewing, to be put the formed cone of line of 4 jiaos of display screens.
S2, described main control computer generates high-definition picture display parameter and coincidence sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter is 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, is specially: main control computer is cut apart 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 and sideband elimination of hidden device to image.
S3, described image processor is cut apart and is generated 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 to the image of the overlapping or occlusion area of described display device according to described high resolving power display parameter that image is cut apart and sideband elimination of hidden or coincidence sideband elimination of hidden.
Refer to Fig. 4, described image is cut apart and sideband elimination of hidden specifically comprises the following steps:
S31, determines 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 receiving;
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, carries out unification to the displaying contents of the overlapping or occlusion area of described display device viewing area: image processor carries out the coordinating and unifying to the displaying contents in overlapping or occlusion area, displaying contents is consistent and continuously;
S34, carries out elimination of hidden to the overlapping or occlusion area of described display device viewing area: image processor carries out unification operational processes to described overlapping or occlusion area and remaining brightness non-overlapped or unshielding region;
S35, carries out geometry correction to the image in the overlapping or occlusion area of described display device viewing area: image processor is proofreaied and correct and shown anamorphose effect, guarantees to show the images match splicing in overlapping or occlusion area;
S36, carries out colour correction to the image in the overlapping or occlusion area of described display device viewing area: colour temperature and colour gamut that image processor shows full-screen image are each other carried out unification operational processes.
S4, described display device converges described low resolution image data to be combined into high-definition picture integral body and to show on described display device.
Before step S4, also need high resolution image data to carry out image aspects coupling, concrete steps are:
S41, builds observation visual angle digital model: according to display view angle parameter and observation visual angle parameter simulation, go out the three-dimensional model under observation visual angle state;
S42, image aspects coupling: the observation visual angle state three-dimensional model obtaining according to described simulation calculates image fitting correction matrix equation result, and according to geometry correction equation, 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 of showing high-definition picture, is characterized in that, comprising:
For storing and export the server of high resolution image data to be shown;
For generating described high-definition picture display parameter and coincidence sideband blanking parameter and described high-definition picture display parameter and described coincidence sideband blanking parameter being sent to the main control computer of image processor;
Described image processor is for cutting apart and generate low resolution image data to be shown and described high-resolution data is outputed to display device according to described high-definition picture parameter;
Described display device is used for converging and shows described low-resolution image;
Described server, described main control computer, described image processor and described display device are connected 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. according to the system of the displaying high-definition picture described in claim 1 or 4, it 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, server sends to described main control computer by described high resolution image data to be shown;
S2, main control computer generates high-definition picture display parameter and coincidence sideband parameter and described high-definition picture display parameter and described coincidence sideband parameter is sent to described image processor;
S3, image processor is cut apart and is generated 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, display device converges described low resolution image data to be combined into high-definition picture integral body and to show on described display device.
7. the method for displaying high-definition picture according to claim 6, is characterized in that, also comprises: determine the position of display device and display view angle parameter is set and observation visual angle parameter before S1.
8. the method for displaying high-definition picture according to claim 6, is characterized in that, the method that main control computer generates high-definition picture display parameter described in S2 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, described in S3, image processor is cut apart and is generated low resolution image data to be shown according to described high-definition picture parameter, is specially: described image processor carries out to the image of the overlapping or occlusion area of described display device according to described high resolving power display parameter that image is cut apart and sideband elimination of hidden or coincidence sideband elimination of hidden.
10. the method for displaying high-definition picture according to claim 6, is characterized in that, described image processor is cut apart by described image and the concrete grammar of sideband elimination of hidden comprises the following steps:
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, to the correct image in the overlapping or occlusion area of described display device viewing area.
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| CN201210477131.XA CN103093680B (en) | 2012-11-22 | 2012-11-22 | Method and system for demonstrating high-definition image |
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| CN201210477131.XA CN103093680B (en) | 2012-11-22 | 2012-11-22 | Method and system for demonstrating high-definition image |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104751506B (en) * | 2013-12-25 | 2017-10-27 | 艾迪普（北京）文化科技股份有限公司 | A kind of Cluster Rendering method and apparatus for realizing three-dimensional graphics images |
| CN103763495A (en) * | 2014-02-11 | 2014-04-30 | 上海大象无形展览展示有限公司 | L-shaped vertical curtain and ground curtain 3D projection display method |
| 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 |
| CN106358078A (en) * | 2015-07-16 | 2017-01-25 | 浙江大华技术股份有限公司 | Analog video image transmitting method, analog video image receiving method, analog video image transmitting device, analog video image receiving device and analog video image transceiving system |
| AU2016409676B2 (en) | 2016-06-08 | 2020-01-30 | Huawei Technologies Co., Ltd. | Processing method and terminal |
| CN106293578B (en) * | 2016-07-27 | 2019-09-20 | 青岛海信电器股份有限公司 | Video card, image display device, image display method and system |
| CN108600834B (en) * | 2018-04-13 | 2021-07-20 | 深圳银澎云计算有限公司 | Video transmission system, receiving/sending/transmitting method and device |
| CN113938617A (en) * | 2021-09-06 | 2022-01-14 | 杭州联吉技术有限公司 | Multi-channel video display method and equipment, network camera and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2023653A1 (en) * | 1969-05-14 | 1971-03-04 | Kiener, Max 8080 Furstenfeldbruck | "sand table" technique for military training |
| JP2007003715A (en) * | 2005-06-22 | 2007-01-11 | Realviz:Kk | Three dimension forming system and sand table system for same |
| CN100403093C (en) * | 2006-06-30 | 2008-07-16 | 西安电子科技大学 | Spatial 3D sand table |
| CN201757829U (en) * | 2010-04-14 | 2011-03-09 | 北京伟景行数字城市科技有限公司 | Apparatus for displaying three dimensional images |
| CN202495195U (en) * | 2011-11-28 | 2012-10-17 | 上海华博信息服务有限公司 | Digital sand table system |
| CN102654957B (en) * | 2011-11-28 | 2014-09-17 | 上海华博信息服务有限公司 | Stereo imaging digital sand table system |
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