CN101795374A - Method and system for image display of true seamless projection type large screen - Google Patents
Method and system for image display of true seamless projection type large screen Download PDFInfo
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- CN101795374A CN101795374A CN200910223806A CN200910223806A CN101795374A CN 101795374 A CN101795374 A CN 101795374A CN 200910223806 A CN200910223806 A CN 200910223806A CN 200910223806 A CN200910223806 A CN 200910223806A CN 101795374 A CN101795374 A CN 101795374A
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Abstract
The invention relates to a method for image display of a true seamless projection type large screen, which comprises the following steps: firstly, dividing an overall image to be displayed into a plurality of sub-images, wherein the number of the sub-images is equal to the number of DLP optical projection machines, and adjacent sub-images form overlapped areas; secondly, homogenizing the brightness of the images in the overlapping area, so that the brightness of the overall image finally displayed on the projection type large screen can achieve smooth transition; thirdly, projecting each sub-image onto the projection type large screen respectively with one DLP optical projection machine, thereby obtaining a complete display image. The invention can display the high-resolution image on the projection type large screen without any optical seam, thereby realizing the true seamless high-resolution and high-brightness DLP large-screen display.
Description
Technical field
The present invention relates to image and show the field, relate in particular to a kind of method for displaying image and system of true seamless projection type large screen.
Background technology
Existing projection type large screen shows that the following dual mode of employing is realized usually: first kind of rear-projection DLP (Digital Light Procession that is to use single high brightness output, the digital light processing) the projection ray machine shields projection screen (as 100 before casing, 150 cun) on carry out projection and project a complete display image, this method is generally used wide-angle projection ray machine, but pixel is less, brightness also is difficult to guarantee, it is clear that the image of large scale display picture is more smudgy, be that resolution is lower, generally can only be applied to the application scenarios of some viewing distances a little far away; Second kind is to adopt optics to fight recklessly the display packing that connects, promptly adopting a plurality of unit demonstration casings to fight recklessly according to the respective picture ratio connects, each unit shows that casing all carries a projection ray machine, the image border of the projected picture of each projection ray machine is to be connected mutually, get together closely between the image, thereby constitute a complete display frame, this implementation method can provide higher resolution for whole demonstration large-screen picture, because the optical characteristics of Fresnel optical screen itself, the uniformity that makes the projection ray machine project large-screen light is improved, but there is the optics piece in the unit on mechanical structure when showing the casing stack, though the raising of manufacturing process makes that the optics piece is more and more littler, the optics piece is still apparent in view under visual condition.
Therefore, can provide high-resolution, not have the projection type large screen display packing of optics piece again be following trend of the times.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for displaying image of true seamless projection type large screen, high-resolution can be provided, not have an optics piece again.
For solving the problems of the technologies described above, the present invention proposes a kind of method for displaying image of true seamless projection type large screen, comprise the steps:
Step 2 is carried out brightness uniformity to the image of described overlapping region and is handled, and makes that finally being presented at general image brightness on the projection type large screen can reach and seamlessly transit;
Step 3 is carried out projection simultaneously with a DLP projection ray machine respectively with each number of sub images on projection type large screen, obtain complete display image.
Further, said method also can have following characteristics, described brightness uniformity is handled and is comprised electron gain adjusting and optical adjustment, it is the gain of setting the luminance parameter in the pixel set of each pixel after overlapping in the described overlapping region that described electron gain is regulated, the brightness of overlapping region image is reached seamlessly transit, described optical adjustment is to carry out brightness regulation in the imaging optical path of the image of described overlapping region.
Further, said method also can have following characteristics, and the size of the general image that described basis will show and the size of projection type large screen are adjusted the size of overlapping region.
For solving the problems of the technologies described above, the invention allows for a kind of image display system of true seamless projection type large screen, comprise video acquisition module, GPU fusion treatment device, a plurality of DLP projection ray machine and projection screen, wherein:
Described video acquisition module is used to gather vision signal, and promptly the image collection that will show sends described GPU fusion treatment device to;
Described GPU fusion treatment device, the entire image that is used for showing is divided into a plurality of subimages, the quantity of described subimage equals the quantity of described DLP projection ray machine, there is the overlapping region between each adjacent sub-images, and the image of described overlapping region is carried out brightness uniformity handle, the feasible general image brightness that finally is presented on the projection type large screen can reach and seamlessly transit, and each number of sub images after will cutting apart and handle sends each corresponding DLP projection ray machine to;
Described DLP projection ray machine is used for subimage is projected to described projection screen;
Described projection screen is used to show the projected image of described DLP projection ray machine.
Further, said system also can have following characteristics, described GPU fusion treatment device comprises electron gain adjustment module and optical adjustment module, described electron gain adjustment module is used for setting the gain of the luminance parameter in the pixel set of each pixel of described overlapping region after overlapping, the brightness of overlapping region image is reached seamlessly transit, described optical adjustment module is used for carrying out brightness regulation at the imaging optical path of the image of described overlapping region.
Further, said system also can have following characteristics, and the number of described video acquisition module is one or more.
Further, said system also can have following characteristics, and the vision signal that described video acquisition module is gathered comprises DVI signal and/or VGA signal, network signal
The present invention can be on projection type large screen the image of display of high resolution, and do not have the optics piece, realize the real seamless high-resolution and the DLP large scale display of high brightness.
Description of drawings
Fig. 1 is the flow chart of the method for displaying image of true seamless projection type large screen of the present invention;
Fig. 2 is the structure chart of the image display system of true seamless projection type large screen of the present invention.
Fig. 3 is the structure chart of GPU fusion treatment device.
Embodiment
Main design of the present invention is, the corresponding a plurality of subimages of split screen that the image segmentation of the large-screen that will show becomes to equate with DLP projection ray machine quantity adopt a plurality of DLP projection ray machines to splice side by side on projection type large screen then and project a width of cloth complete image.The demonstration edge image of each adjacent DLP projection ray machine is identical, promptly has the overlapping region, the image of overlapping region is carried out brightness uniformity handle, and carries out overlapping then and merges, and makes the brightness of general image reach and seamlessly transits.
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Fig. 1 is the flow chart of the method for displaying image of true seamless projection type large screen of the present invention, and as shown in Figure 1, the method for displaying image of true seamless projection type large screen of the present invention comprises the steps:
In this step, can adjust the size of overlapping region according to the size of the size of the general image that will show and projection type large screen.
In this step, brightness uniformity is handled and can be comprised electron gain adjusting and optical adjustment, wherein, it is the gain of setting the luminance parameter in the pixel set of each pixel after overlapping in the overlapping region that electron gain is regulated, the brightness of overlapping region image is reached seamlessly transit, and optical adjustment is to carry out brightness regulation in the imaging optical path of the image of overlapping region.
The method for displaying image of true seamless projection type large screen of the present invention is special seamless large-screen splicing Display Technique at DLP rear-projection box-type display structure, owing to adopt the mode that projection is merged to show, so any physical image piece (being the optics piece) can not occur, do not have the disappearance of any pixel, can realize the real seamless high-resolution and the DLP large scale display of high brightness.
The invention allows for a kind of image display system of true seamless projection type large screen, in order to realize the method for displaying image of above-mentioned true seamless projection type large screen.Fig. 2 is the structure chart of the image display system of true seamless projection type large screen of the present invention, as shown in Figure 2, the image display system of true seamless projection type large screen of the present invention comprises, comprises video acquisition module 201, GPU fusion treatment device 202, a plurality of DLP projection ray machine 203 and projection screen 204.
Wherein, video acquisition module 201 links to each other with the input of GPU fusion treatment device 202, be used to gather vision signal, promptly the image collection that will show sends GPU fusion treatment device 202 to, and wherein vision signal can be various video signal and/or network signal, DVI (Digital VisualInterface for example, digital visual interface) signal, VGA (Video Graphics Array, Video Graphics Array) etc., the number of video acquisition module 201 is one or more; The output of GPU fusion treatment device 202 links to each other with a plurality of DLP projection ray machines 203 respectively, the entire image that is used for showing is divided into a plurality of subimages, the quantity of subimage equals the quantity of DLP projection ray machine 203, there is the overlapping region between each adjacent sub-images, and the image of overlapping region is carried out brightness uniformity handle, the feasible general image brightness that finally is presented on the projection type large screen can reach and seamlessly transit, and each number of sub images after will cutting apart and handle sends each corresponding DLP projection ray machine 203 to; DLP projection ray machine 203 is used for subimage is projected to projection screen 204; Projection screen 204 is used to show the projected image of DLP projection ray machine 203.
Wherein, GPU fusion treatment device 202 may further include electron gain adjustment module 212 and optical adjustment module 222, electron gain adjustment module 212 is used for setting the gain of the luminance parameter in the pixel set of each pixel of overlapping region after overlapping, the brightness of overlapping region image is reached seamlessly transit, optical adjustment module 222 is used for carrying out brightness regulation at the imaging optical path of the image of overlapping region.
Among Fig. 2, computer 205 and central control equipment 206 are used for coordinating and the control whole system operation.
The image display system of true seamless projection type large screen of the present invention adopts the mode that projection is merged to show, any physical image piece can not occur, does not have the disappearance of any pixel, can realize the real seamless high-resolution and the DLP large scale display of high brightness.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the method for displaying image of a true seamless projection type large screen is characterized in that, comprises the steps:
Step 1, the entire image that will show is divided into a plurality of subimages, and the quantity of described subimage equals the quantity of DLP projection ray machine, has the overlapping region between each adjacent sub-images;
Step 2 is carried out brightness uniformity to the image of described overlapping region and is handled, and makes that finally being presented at general image brightness on the projection type large screen can reach and seamlessly transit;
Step 3 is carried out projection simultaneously with a DLP projection ray machine respectively with each number of sub images on projection type large screen, obtain complete display image.
2. the method for displaying image of true seamless projection type large screen according to claim 1, it is characterized in that, described brightness uniformity is handled and is comprised electron gain adjusting and optical adjustment, it is the gain of setting the luminance parameter in the pixel set of each pixel after overlapping in the described overlapping region that described electron gain is regulated, the brightness of overlapping region image is reached seamlessly transit, described optical adjustment is to carry out brightness regulation in the imaging optical path of the image of described overlapping region.
3. the method for displaying image of true seamless projection type large screen according to claim 1 is characterized in that, the size of the general image that described basis will show and the size of projection type large screen are adjusted the size of overlapping region.
4. the image display system of a true seamless projection type large screen is characterized in that, comprises video acquisition module, GPU fusion treatment device, a plurality of DLP projection ray machine and projection screen, wherein:
Described video acquisition module is used to gather vision signal, and promptly the image collection that will show sends described GPU fusion treatment device to;
Described GPU fusion treatment device, the entire image that is used for showing is divided into a plurality of subimages, the quantity of described subimage equals the quantity of described DLP projection ray machine, there is the overlapping region between each adjacent sub-images, and the image of described overlapping region is carried out brightness uniformity handle, the feasible general image brightness that finally is presented on the projection type large screen can reach and seamlessly transit, and each number of sub images after will cutting apart and handle sends each corresponding DLP projection ray machine to;
Described DLP projection ray machine is used for subimage is projected to described projection screen;
Described projection screen is used to show the projected image of described DLP projection ray machine.
5. the image display system of true seamless projection type large screen according to claim 4, it is characterized in that, described GPU fusion treatment device comprises electron gain adjustment module and optical adjustment module, described electron gain adjustment module is used for setting the gain of the luminance parameter in the pixel set of each pixel of described overlapping region after overlapping, the brightness of overlapping region image is reached seamlessly transit, described optical adjustment module is used for carrying out brightness regulation at the imaging optical path of the image of described overlapping region.
6. the image display system of true seamless projection type large screen according to claim 4 is characterized in that, the number of described video acquisition module is one or more.
7. the image display system of true seamless projection type large screen according to claim 4 is characterized in that, the vision signal that described video acquisition module is gathered comprises DVI signal and/or VGA signal, network signal.
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| CN101930724A (en) * | 2010-07-12 | 2010-12-29 | 清投视讯(北京)科技有限公司 | Large screen-fused image display method and system |
| CN102158675A (en) * | 2011-04-15 | 2011-08-17 | 应一凡 | Expandable display device and method for processing video by utilizing same |
| CN102375305A (en) * | 2010-08-10 | 2012-03-14 | 富士迈半导体精密工业（上海）有限公司 | Multi-lens projector |
| CN102540684A (en) * | 2011-11-11 | 2012-07-04 | 浙江海盛科技股份有限公司 | Display device |
| CN104240213A (en) * | 2014-09-05 | 2014-12-24 | 京东方科技集团股份有限公司 | Display method and device |
| CN104679490A (en) * | 2013-11-28 | 2015-06-03 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN105376540A (en) * | 2014-08-27 | 2016-03-02 | 中强光电股份有限公司 | Projection display system and correction method of projection area |
| CN105881916A (en) * | 2016-06-24 | 2016-08-24 | 吴建中 | 3D (three-dimensional) quick forming and splicing method and 3D quick forming and splicing device on basis of large layout |
| CN111178445A (en) * | 2019-12-31 | 2020-05-19 | 上海商汤智能科技有限公司 | Image processing method and device |
| CN112118428A (en) * | 2019-06-19 | 2020-12-22 | 海信视像科技股份有限公司 | Image processing method and device and laser television |
| CN113747135A (en) * | 2021-11-05 | 2021-12-03 | 深圳市联志光电科技有限公司 | Multi-projection image display method and system |
| CN117676107A (en) * | 2024-01-31 | 2024-03-08 | 武汉中观自动化科技有限公司 | Image laser projection method and laser projection device |
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| CN101930724A (en) * | 2010-07-12 | 2010-12-29 | 清投视讯(北京)科技有限公司 | Large screen-fused image display method and system |
| CN102375305A (en) * | 2010-08-10 | 2012-03-14 | 富士迈半导体精密工业（上海）有限公司 | Multi-lens projector |
| CN102158675A (en) * | 2011-04-15 | 2011-08-17 | 应一凡 | Expandable display device and method for processing video by utilizing same |
| CN102158675B (en) * | 2011-04-15 | 2013-07-10 | 应一凡 | Expandable display device and method for processing video by utilizing same |
| CN102540684A (en) * | 2011-11-11 | 2012-07-04 | 浙江海盛科技股份有限公司 | Display device |
| CN102540684B (en) * | 2011-11-11 | 2014-12-03 | 张亦彬 | Display device |
| CN104679490B (en) * | 2013-11-28 | 2018-12-18 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104679490A (en) * | 2013-11-28 | 2015-06-03 | 联想(北京)有限公司 | Information processing method and electronic device |
| CN105376540A (en) * | 2014-08-27 | 2016-03-02 | 中强光电股份有限公司 | Projection display system and correction method of projection area |
| WO2016033925A1 (en) * | 2014-09-05 | 2016-03-10 | 京东方科技集团股份有限公司 | Display method and display device |
| CN104240213B (en) * | 2014-09-05 | 2017-12-15 | 京东方科技集团股份有限公司 | A kind of display methods and display device |
| US9953399B2 (en) | 2014-09-05 | 2018-04-24 | Boe Technology Group Co., Ltd. | Display method and display device |
| CN104240213A (en) * | 2014-09-05 | 2014-12-24 | 京东方科技集团股份有限公司 | Display method and device |
| CN105881916A (en) * | 2016-06-24 | 2016-08-24 | 吴建中 | 3D (three-dimensional) quick forming and splicing method and 3D quick forming and splicing device on basis of large layout |
| CN112118428A (en) * | 2019-06-19 | 2020-12-22 | 海信视像科技股份有限公司 | Image processing method and device and laser television |
| CN111178445A (en) * | 2019-12-31 | 2020-05-19 | 上海商汤智能科技有限公司 | Image processing method and device |
| CN113747135A (en) * | 2021-11-05 | 2021-12-03 | 深圳市联志光电科技有限公司 | Multi-projection image display method and system |
| CN117676107A (en) * | 2024-01-31 | 2024-03-08 | 武汉中观自动化科技有限公司 | Image laser projection method and laser projection device |
| CN117676107B (en) * | 2024-01-31 | 2024-05-24 | 武汉中观自动化科技有限公司 | Image laser projection method and laser projection device |
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Application publication date: 20100804 |