CN112367510A - Multi-projection splicing device and splicing fusion method - Google Patents
Multi-projection splicing device and splicing fusion method Download PDFInfo
- Publication number
- CN112367510A CN112367510A CN202011306453.9A CN202011306453A CN112367510A CN 112367510 A CN112367510 A CN 112367510A CN 202011306453 A CN202011306453 A CN 202011306453A CN 112367510 A CN112367510 A CN 112367510A
- Authority
- CN
- China
- Prior art keywords
- screen
- projection
- signal
- splicing
- control computer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3147—Multi-projection systems
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
A multi-projection splicing device and an image splicing and fusing method relate to the technical field of image projection splicing equipment and operation methods. A multi-projection splicing device comprises a control computer, a projector, a projection screen, a picture splitter, a screen controller, a signal cable, a first signal enhancer, a second signal enhancer, a third signal enhancer and a positioning division bar; the control computer, the projector and the screen controller are connected through signal cables to form a control system, and the signal cables are buried in a wall or the ground to serve as hidden wiring; the screen controller, the projection screen and the picture divider are combined and installed into an integrated screen structure; the method can solve the problem that the common projection influences the splicing quality in the existing projection splicing technology, mainly embodies in realizing the multi-device seamless splicing effect, comprises screen physical seamless splicing and projection optical seamless splicing, and can ensure the quality of a signal source image in the process of influencing signal transmission.
Description
Technical Field
The invention relates to the technical field of image projection splicing equipment and an operation method, in particular to a multi-projection splicing device and an image splicing and fusing method.
Background
Projection splicing, also called projection hard splicing, means that 2 or more projectors simultaneously project and splice a large picture, and the pictures projected by each projector are directly leaned together without using projection edge fusion. Projection splicing appears in 2002, because no projection edge fusion software exists, and the market needs large-screen projection display, people think of a method for splicing several projection pictures together, and due to the defects of projection splicing, in addition to the rise of projection edge fusion in recent years, the market rarely uses the projection hard splicing mode. The projection splicing system mainly comprises a signal source, signal processing equipment, a picture divider, a projector, a projection screen, a control system and the like. The signal source reaches the large screen and sequentially passes through three processes of signal processing equipment, a picture divider and a projector. The signal source comprises various DVD players, notebook computers and other devices. The signal processing equipment comprises a video matrix, an RGB matrix, a cable and the like, is a channel between a signal source and a picture divider, and directly influences the video quality. The matrix bandwidth and the switching delay time are important parameters, the quality of the cable has a great influence on signals, each cable has a certain transmission distance for transmitting signals with each resolution, and beyond the distance, images are deteriorated.
The matching degree of high accuracy is mostly needed to current projection splicing apparatus, and every equipment that cooperates the use all needs long-time matching debugging when the installation, and needs one section time of trying to carry out stability evaluation, and the equipment of adoption is more, and the installation cost is higher relatively, because projection concatenation control system's stability is lower, and the mode that the influence fuses is comparatively complicated, and the completeness is lower, consequently, projection concatenation mode has following several obvious shortcomings: 1. the presence of indelible screen physical patchings; 2. the presence of irremovable projected optical patchwork; 3. the solar effect is obvious; 4. there is a more severe chromatic aberration; aiming at the problems, a multi-projection splicing device and an image splicing and fusing method are provided.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides a multi-projection splicing device and an image splicing and fusing method, which can solve the problem that the projection influences the splicing quality commonly seen in the prior projection splicing technology, mainly realize the effect of realizing the multi-equipment seamless splicing, comprise screen physical seamless splicing and projection optical seamless splicing, can ensure the quality of a signal source image in the process of influencing signal transmission, and a picture divider limits an image projection area before the fusion is influenced, so that the time required by splicing is reduced, the equipment installation time is shortened, the control system has high stability, the fusing mode is simple, the image splicing integrity is high, and the installation cost is relatively low.
In order to achieve the purpose, the invention adopts the following technical scheme: the multi-projection splicing device comprises a control computer 1, a projector 2, a projection screen 3, a picture splitter 4, a screen controller 5, a signal cable 6, a first signal enhancer 7, a second signal enhancer 8, a third signal enhancer 9 and a positioning division bar 10; the control computer 1, the projector 2 and the screen controller 5 are connected through a signal cable 6 to form a control system, and the signal cable 6 is buried in a wall or the ground to be used as a hidden wiring; the screen controller 5, the projection screen 3 and the picture divider 4 are assembled and installed into an integrated screen structure, and the projection screen 3 is arranged on the outer side of the picture divider 4; a first signal enhancer 7 is arranged on a signal cable 6 which is connected with the computer 1, a second signal enhancer 8 is arranged on the signal cable 6 which is connected with the projection screen 3, and a third signal enhancer 9 is arranged on the signal cable 6 which is connected between the second signal enhancer 8 and the screen controller 5; the projection screen 3 is a seamless integrated screen, three positioning division bars 10 are arranged in the projection screen, and signal receivers are installed on the division bars 10 and are directly controlled by the control computer 1.
The image splicing and fusing method of the multi-projection splicing device comprises the following steps: a. the control computer 1, the projector 2 and the screen controller 5 are installed and connected into a control system through positioning and pre-embedding of the signal cable 6, the first signal enhancer 7, the second signal enhancer 8 and the third signal enhancer 9; b. before image putting, presetting the area size of the required putting influence in the control computer 1, and carrying out uniform blocking processing by the picture divider 4; c. the combined screen displays 41 on the picture divider 4 receive electric signals through the positioning division bars 10 at the connecting positions, receive image signals to be put in by the control computer 1, and after the images are checked to be correct, the computer 1 controls the projector 2 to put the images on the seamless integrated projection screen 3; d. because the splicing of the images on the projection screen 3 is completed in the picture splitter 4, the screen controller 5 can simultaneously receive the images put in by different devices and splice the images in blocks in advance, and the control computer 1 controls the projection screen 3 and the screen controller 5 to control the putting after the splicing is completed in advance.
The projection screen 3 is a 4K resolution LED integrated screen.
The picture splitter 4 is composed of four combined screen displays 41, and positioning spacers 10 and three positioning spacers 10 are disposed at the connecting positions of the combined screen displays 41.
The number of the combined screen display 41 and the positioning separation bars 10 can be determined and selected according to the actual size of the projection screen 3, and the number ratio of the combined screen display 41 to the positioning separation bars 10 is n: n-1.
The first signal enhancer 7, the second signal enhancer 8 and the third signal enhancer 9 have the same structure and are all wiring type signal enhancers.
The working principle of the invention is as follows: through image preprocessing of the control computer 1, the projector 2 and the screen controller 5, images are spliced before the images are put into the projector 2, the images are put into the 4K-resolution LED integrated screen through the positioning separating strips 10 on the picture divider 4, seamless splicing and fusion are achieved, the signal source image quality can be guaranteed in the process of signal transmission by the aid of the first signal intensifier 7, the second signal intensifier 8 and the third signal intensifier 9, the sun effect is prevented, and the problem of serious chromatic aberration is solved.
After the technical scheme is adopted, the invention has the beneficial effects that: the device can solve the problem that the common projection influences the splicing quality in the existing projection splicing technology, is mainly embodied in realizing the multi-device seamless splicing effect, comprises screen physical seamless splicing and projection optical seamless splicing, can ensure the quality of a signal source image in the process of influencing signal transmission, limits an image projection area before the influence of image divider fusion, reduces the time required for splicing, thereby shortening the time for installing equipment, and has the advantages of high control system stability, simple fusion mode, high image splicing integrity and relatively low installation cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a projection screen 3 according to the present invention;
fig. 3 is a schematic structural diagram of the picture divider 4 in the present invention.
Description of reference numerals: the control computer 1, the projector 2, the projection screen 3, the picture splitter 4, the screen controller 5, the signal cable 6, the first signal enhancer 7, the second signal enhancer 8, the third signal enhancer 9, the positioning division bar 10, and the combination screen display 41.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the multi-projection splicing device comprises a control computer 1, a projector 2, a projection screen 3, a picture splitter 4, a screen controller 5, a signal cable 6, a first signal enhancer 7, a second signal enhancer 8, a third signal enhancer 9, a positioning division bar 10 and a combined screen display 41; the control computer 1, the projector 2 and the screen controller 5 are connected through a signal cable 6 to form a control system, and the signal cable 6 is buried in a wall or the ground to be used as a hidden wiring; the screen controller 5, the projection screen 3 and the picture divider 4 are assembled and installed into an integrated screen structure, and the projection screen 3 is arranged on the outer side of the picture divider 4; a first signal enhancer 7 is arranged on a signal cable 6 which is connected with the computer 1, a second signal enhancer 8 is arranged on the signal cable 6 which is connected with the projection screen 3, and a third signal enhancer 9 is arranged on the signal cable 6 which is connected between the second signal enhancer 8 and the screen controller 5; the projection screen 3 is a seamless integrated screen, three positioning division bars 10 are arranged in the projection screen, and signal receivers are installed on the division bars 10 and are directly controlled by the control computer 1.
The image splicing and fusing method of the multi-projection splicing device comprises the following steps: a. the control computer 1, the projector 2 and the screen controller 5 are installed and connected into a control system through positioning and pre-embedding of the signal cable 6, the first signal enhancer 7, the second signal enhancer 8 and the third signal enhancer 9; b. before image putting, presetting the area size of the required putting influence in the control computer 1, and carrying out uniform blocking processing by the picture divider 4; c. the combined screen displays 41 on the picture divider 4 receive electric signals through the positioning division bars 10 at the connecting positions, receive image signals to be put in by the control computer 1, and after the images are checked to be correct, the computer 1 controls the projector 2 to put the images on the seamless integrated projection screen 3; d. because the splicing of the images on the projection screen 3 is completed in the picture splitter 4, the screen controller 5 can simultaneously receive the images put in by different devices and splice the images in blocks in advance, and the control computer 1 controls the projection screen 3 and the screen controller 5 to control the putting after the splicing is completed in advance.
The projection screen 3 is a 4K-resolution LED integrated screen, and the defect of physical seams can be overcome by adopting an integrated seamless screen.
The picture splitter 4 is composed of four combined screen displays 41, and positioning spacers 10 and three positioning spacers 10 are disposed at the connecting positions of the combined screen displays 41.
The number of the combined screen display 41 and the positioning separation bars 10 can be determined and selected according to the actual size of the projection screen 3, and the number ratio of the combined screen display 41 to the positioning separation bars 10 is n: n-1. The combined screen 41 is used to project an image to be projected in advance in the control computer 1 in blocks with a set image.
The first signal enhancer 7, the second signal enhancer 8 and the third signal enhancer 9 have the same structure and are all wiring type signal enhancers, so that stable signal transmission on the signal cable 6 can be ensured, and stronger signals can be ensured in long-distance transmission, and the image projection quality can be ensured.
The working principle of the invention is as follows: through image preprocessing of the control computer 1, the projector 2 and the screen controller 5, images are spliced before the images are put into the projector 2, the images are put into the 4K-resolution LED integrated screen through the positioning separating strips 10 on the picture divider 4, seamless splicing and fusion are achieved, the signal source image quality can be guaranteed in the process of signal transmission by the aid of the first signal intensifier 7, the second signal intensifier 8 and the third signal intensifier 9, the sun effect is prevented, and the problem of serious chromatic aberration is solved.
After the technical scheme is adopted, the invention has the beneficial effects that: the device can solve the problem that the common projection influences the splicing quality in the existing projection splicing technology, is mainly embodied in realizing the multi-device seamless splicing effect, comprises screen physical seamless splicing and projection optical seamless splicing, can ensure the quality of a signal source image in the process of influencing signal transmission, limits an image projection area before the influence of image divider fusion, reduces the time required for splicing, thereby shortening the time for installing equipment, and has the advantages of high control system stability, simple fusion mode, high image splicing integrity and relatively low installation cost.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. Many projections splicing apparatus, its characterized in that: the system comprises a control computer (1), a projector (2), a projection screen (3), a picture divider (4), a screen controller (5), a signal cable (6), a first signal enhancer (7), a second signal enhancer (8), a third signal enhancer (9) and a positioning division bar (10); the control computer (1), the projector (2) and the screen controller (5) are connected through a signal cable (6) to form a control system, and the signal cable (6) is buried in a wall or the ground to be used as a hidden wiring; the screen controller (5), the projection screen (3) and the picture divider (4) are combined and installed into an integrated screen structure, and the projection screen (3) is arranged on the outer side of the picture divider (4); a first signal enhancer (7) is arranged on a signal cable (6) which is connected outwards by a control computer (1), a second signal enhancer (8) is arranged on the signal cable (6) which is connected outwards by a projection screen (3), and a third signal enhancer (9) is arranged on the signal cable (6) which is connected between the second signal enhancer (8) and a screen controller (5); the projection screen (3) is a seamless integrated screen, three positioning separation strips (10) are arranged in the projection screen, and signal receivers are installed on the separation strips (10) and are directly controlled by the control computer (1).
2. The image splicing and fusing method of the multi-projection splicing device is characterized by comprising the following steps of: a. the control computer (1), the projector (2) and the screen controller (5) are installed and connected into a control system through positioning and pre-embedding of a signal cable (6), a first signal enhancer (7), a second signal enhancer (8) and a third signal enhancer (9); b. before image putting, presetting the area size of the required putting influence in a control computer (1), and carrying out uniform blocking processing by a picture divider (4); c. the combined screen displays (41) on the picture divider (4) receive electric signals through positioning separating bars (10) at the connecting positions, receive image signals to be put in by the control computer (1), and after the signals are checked to be correct, the computer (1) controls the projector (2) to put the images in the seamless integrated projection screen (3); d. because the splicing of the images on the projection screen (3) is finished in the picture divider (4), the screen controller (5) can simultaneously receive the images put in by different devices and splice the images in blocks in advance, and the control computer (1) controls the projection screen (3) and the screen controller (5) to control the putting after the splicing is finished in advance.
3. The multi-projection stitching device of claim 1, wherein: the projection screen (3) is a 4K resolution LED integrated screen.
4. The multi-projection stitching device of claim 1, wherein: the picture splitter (4) is composed of four combined screen displays (41), and the positioning separating strips (10) and the three positioning separating strips (10) are arranged at the connecting positions of the combined screen displays (41).
5. The multi-projection stitching device of claim 1, wherein: the number of the combined screen display (41) and the positioning separating bars (10) can be determined and selected according to the actual size of the projection screen (3), and the number ratio of the combined screen display (41) to the positioning separating bars (10) is n: n-1.
6. The multi-projection stitching device of claim 1, wherein: the first signal intensifier (7), the second signal intensifier (8) and the third signal intensifier (9) are the same in structure and are wiring type signal intensifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306453.9A CN112367510A (en) | 2020-11-19 | 2020-11-19 | Multi-projection splicing device and splicing fusion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011306453.9A CN112367510A (en) | 2020-11-19 | 2020-11-19 | Multi-projection splicing device and splicing fusion method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112367510A true CN112367510A (en) | 2021-02-12 |
Family
ID=74533489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011306453.9A Pending CN112367510A (en) | 2020-11-19 | 2020-11-19 | Multi-projection splicing device and splicing fusion method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112367510A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045524A (en) * | 2009-10-12 | 2011-05-04 | 华为终端有限公司 | Super-resolution large-screen display system |
| CN202196550U (en) * | 2011-07-11 | 2012-04-18 | 上海纬而视数码科技有限公司 | Digital light processing (DLP) seamless splicing screen |
| CN202434173U (en) * | 2011-11-24 | 2012-09-12 | 玛卡数位股份有限公司 | Rear-projection high-resolution advertising wall system structure with large screen |
| JP2015169940A (en) * | 2014-03-11 | 2015-09-28 | 株式会社リコー | Multi-projection system, information processor and program |
-
2020
- 2020-11-19 CN CN202011306453.9A patent/CN112367510A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045524A (en) * | 2009-10-12 | 2011-05-04 | 华为终端有限公司 | Super-resolution large-screen display system |
| CN202196550U (en) * | 2011-07-11 | 2012-04-18 | 上海纬而视数码科技有限公司 | Digital light processing (DLP) seamless splicing screen |
| CN202434173U (en) * | 2011-11-24 | 2012-09-12 | 玛卡数位股份有限公司 | Rear-projection high-resolution advertising wall system structure with large screen |
| JP2015169940A (en) * | 2014-03-11 | 2015-09-28 | 株式会社リコー | Multi-projection system, information processor and program |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014107099A1 (en) | Display apparatus and display method thereof | |
| CN103533279A (en) | Calibration method for multi-projection splicing | |
| CN102098521A (en) | Splicing and fusing method applied to display large-sized images | |
| CN101930724A (en) | Large screen-fused image display method and system | |
| CN104601935A (en) | Frame splicing method and device | |
| CN202033739U (en) | Large-screen display system for safe production command center | |
| CN105761635A (en) | Seamless splicing unit and display device | |
| CN112367510A (en) | Multi-projection splicing device and splicing fusion method | |
| CN109982004A (en) | A kind of point-to-point splicing system of video | |
| CN104284099B (en) | A kind of method and system shown based on multichannel input large-size screen monitors | |
| US20110187835A1 (en) | Apparatus for compensating 3d image in projector and method thereof | |
| CN201569847U (en) | Seamless inner split joint composite glass display screen | |
| US9935381B2 (en) | Connector, wireless communication module, wireless communication device, and electronic apparatus | |
| CN105141905A (en) | Spliced screen system and implementation method thereof | |
| CN107197221A (en) | Mono signal multi-projector splicing optical projection system | |
| CN102036042A (en) | Laser television | |
| CN209545719U (en) | A kind of point-to-point splicing system of video | |
| CN111385504B (en) | Control method of spliced television | |
| CN115633160A (en) | Projection system based on miniature LED | |
| CN113297923A (en) | Display screen monitoring method, device and system and embedded processor | |
| CN201718002U (en) | Video processor | |
| CN210091133U (en) | Interactive equipment | |
| CN104010137A (en) | Method and device for splicing high-definition network videos and displaying high-definition network videos on wall | |
| CN116301470B (en) | Mouse cursor position prompting method crossing multiple display pictures | |
| CN107295321A (en) | The advertisement projecting system of timesharing split screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210212 |