CN205754674U - A kind of projection integration system of multiple video image superposition at an arbitrary position - Google Patents
A kind of projection integration system of multiple video image superposition at an arbitrary position Download PDFInfo
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- CN205754674U CN205754674U CN201620401027.6U CN201620401027U CN205754674U CN 205754674 U CN205754674 U CN 205754674U CN 201620401027 U CN201620401027 U CN 201620401027U CN 205754674 U CN205754674 U CN 205754674U
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Abstract
This utility model relates to image processing equipment technical field, it is specifically related to the projection integration system of a kind of multiple video image superposition at an arbitrary position, including video input module, digital signal Switching Module, image overlay module and multiple image co-registration module, wherein, described video input module is connected with digital signal Switching Module, digital signal Switching Module connects image overlay module and multiple image co-registration module, each image co-registration module connects again an output module, and each output module and a scialyscope connect.Use image overlay module that video image carries out splicing synthesis, solve to merge band and open the problem of multiple video and graph compound window, enable image merge band and non-fused region optional position superposition Navigation display clearly further.
Description
Technical field
This utility model relates to image processing equipment technical field, is specifically related to a kind of multiple video image and exists
The projection integration system of optional position superposition.
Background technology
Projection integration technology is exactly that the picture gone out by one group of projector carries out imbricate, and by merging
Technology demonstrates that one does not has that gap is more bright, super large, high-resolution entire picture, the effect of picture
It it similarly is the picture of a projector.The General Principle that projection is merged is when two or multiple stage projection unit
When closing projection one width picture, some image overlap, lap is referred to as merging band, and Fusion Edges is
The main the lamplight brightness exactly fusion of two scialyscopes carried gradually is turned down, and the brightness making overall picture is consistent.
At present projection fusion device is commonplace, have been widely used exhibition museum, meeting room, cinema,
The places such as laboratory, its mode realized is multiple stage projection to be put together side by side, launches a super large picture,
And utilize different modes to process the brightness of image of lap between adjacent projection.
But the different technology that realizes has some limitation, realize based on GPU algorithm as software type merges, without hard
Part is supported, needs multiple computers cascade fusion to splice, it is impossible to realize the Overlapping display of multichannel unlike signal.Firmly
The fusion of part formula lacks GPU algorithm, it is impossible to roaming of windowing in the optional position, region merging band, bandwidth limited,
Image blurring unclear problem when there is non-fused region multiwindowing simultaneously.
Utility model content
For existing deficiency in the art, the purpose of this utility model there is provided a kind of multiple video image and exists
The projection integration system of optional position superposition, solves the superposition window opening multiple video image across fusion band
Problem, also solves the problem that between multi signal transmission, bandwidth is not enough simultaneously, enables video image clearly
Merging band and optional position, non-fused region Overlapping display.
The technical solution adopted in the utility model is as follows:
There is provided the projection integration system of a kind of multiple video image superposition at an arbitrary position, including video input mould
Block, digital signal Switching Module, image overlay module and multiple image co-registration module, wherein, described video
Input module is connected with digital signal Switching Module, and digital signal Switching Module connects image overlay module with many
Individual image co-registration module, each image co-registration module connects again an output module, each output module with
One scialyscope connects.
In one embodiment of techniques discussed above scheme, described video input module and video signal source
External equipment connects, and is encoded into same format signal to video signal is unified.
In one embodiment of techniques discussed above scheme, described image overlay module includes regarding of multiwindow
Frequency process chip, for video image is carried out splicing synthesis at the display image merging viewing area, can be same
Time multiple video images are processed.
In one embodiment of techniques discussed above scheme, described image co-registration module is for video signal
Correct in the fusion blanking and image curve merging viewing area.Described output module is for by video signal
Be converted to the signal format that scialyscope can receive.
Having technical effect that of technical solutions of the utility model, uses image overlay module to carry out video image
Splicing synthesis, solves to merge band and opens the problem of multiple video and graph compound window, enable image clear further
Clear is merging band and non-fused region optional position superposition Navigation display.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram in this utility model embodiment.
Detailed description of the invention
The technical solution of the utility model is described in detail with specific embodiment below in conjunction with accompanying drawing.
With reference to shown in Fig. 1, the projection present embodiments providing a kind of multiple video image optional position superposition is merged
System, can realize multi signal and splice across fusion band projection, can realize again different video image across merging band times
Meaning position superposition Navigation display.
System includes video input module, digital signal Switching Module, image overlay module and image co-registration
Module, video input module is connected with the external equipment of digital signal Switching Module and video signal source, collects M
Individual different-format signal source, unification encodes, and becomes same format signal to complete different-format Signal coding
The normalized of all input signals.
The function of digital signal Switching Module is the digital signal exchange hinge of a M × N, and this digital signal is handed over
The scale decision systems projection support machine of die change block merge quantity number, mainly by some array matrixs
The switching chip that intersects forms.
Image overlay module is connected with digital signal Switching Module, including integrated multiple video frequency processing chips,
It is mainly used at the display image merging viewing area, video image is carried out splicing synthesis, can be simultaneously to multiple
Video image processes, and completes the scaling to multiple different video signals, superposition Navigation display, can pass through
And the connection between digital signal Switching Module, completes and the docking one by one of image co-registration module,
Image co-registration mould module has multiple, identical with scialyscope quantity, and each image co-registration module connects again to be had
One output module, each output module and a scialyscope connect.Each image co-registration mould module is by regarding
Frequently chip completes correct the curve of projection fusion image and merge band blanking, the most again regarding through output module
Frequently decoding chip is decoded into the signal format that scialyscope can receive, and exports scialyscope through signal transmission cable
Display.This module is relatively independent, can carry out signal by digital signal Switching Module and image overlay module
Interconnect.
First pass through independent image overlay module complete image across screen splicing function, in this place manage during,
The problem that the brightness of scialyscope overlapping region is double need not be considered, without the differently curved shape considering projection screen
The problem of shape, it is only necessary to complete the image mosaic between adjacent region by Video Image Segmentation algorithm and synthesize,
Multiple video window can also be opened at an arbitrary position to show, finally by GPU algorithm by opening of processing simultaneously
What window image was complete passes back to digital signal Switching Module.Regard multiple secondly by digital signal Switching Module
Frequently the module one_to_one corresponding of image overlay is switched to merge blanking and curve rectification module, then passes through video image
Superposition algorithm function completes the regional luminance fusion of scialyscope overlay chart picture, picture material merges and projection
The curve of picture merges.
R, G, B, W, B (red, green, blue, field white, black) of specialty is have employed in merging band concealment process
Complete scialyscope Deng 5 color independent algorithm and launch the concealment process of overlay chart picture.Utilize GPU algorithm real simultaneously
The adjustment of existing different images radian.
The system of the present embodiment, the flow chart of data processing of its video image is:
Video input module is by CVBS, VGA, YPbPr, HDMI, DVI, SDI, HDBaseT, optical fiber, H.264/265
Gather into respectively Deng the outer video signal of multiple format, by all outside signals come in that gather through video
Chip encodes, and is transferred to digital signal Switching Module after unified signal form.
M the input signal any switching laws biography processed through Video coding that digital signal Switching Module will gather
It is passed to N number of output module, in i.e. N number of scialyscope is arrived in output.Digital signal Switching Module, will before output
Signal sends image overlay module to, and the signal that multiple video images export is processed by image overlay module,
Complete the scaling of arbitrary signal and the superposition Navigation display of optional position, the video image after processing the most again
It is input to digital signal Switching Module.
The superposition image signal processed by video chip through image overlay module, is handed over by digital signal
Changing and be input to image co-registration module, this module can complete the splicing of video signal and merge blanking and curve and rectify
Orthofunction.Complete the video image after merging blanking and curve rectification to carry out being encoded into projection through output module
The signal format that machine can receive, is connected on scialyscope display via video cables.
Claims (5)
1. a projection integration system for multiple video images superposition at an arbitrary position, including video input module,
Digital signal Switching Module, image overlay module and multiple image co-registration module, wherein, described video input
Module is connected with digital signal Switching Module, and digital signal Switching Module connects image overlay module and multiple figure
As Fusion Module, each image co-registration module connects again an output module, each output module and one
Scialyscope connects.
The projection integration system of multiple video image superposition at an arbitrary position the most according to claim 1,
It is characterized in that, described video input module is connected with the external equipment of video signal source, unites video signal
One carries out being encoded into same format signal.
The projection integration system of multiple video image superposition at an arbitrary position the most according to claim 1,
It is characterized in that, described image overlay module includes the video frequency processing chip of multiwindow, for video image
Carry out splicing synthesis at the display image merging viewing area, can multiple video images be processed simultaneously.
The projection integration system of multiple video image superposition at an arbitrary position the most according to claim 1,
It is characterized in that, described image co-registration module for video signal merge viewing area fusion blanking with
And image curve rectification.
The projection integration system of multiple video image superposition at an arbitrary position the most according to claim 1,
It is characterized in that, described output module for being converted to the signal format that scialyscope can receive by video signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620401027.6U CN205754674U (en) | 2016-05-05 | 2016-05-05 | A kind of projection integration system of multiple video image superposition at an arbitrary position |
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| CN201620401027.6U CN205754674U (en) | 2016-05-05 | 2016-05-05 | A kind of projection integration system of multiple video image superposition at an arbitrary position |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602471A (en) * | 2019-10-10 | 2019-12-20 | 上海迪东实业有限公司 | Projection equipment cascade module and method and projection signal cascade method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602471A (en) * | 2019-10-10 | 2019-12-20 | 上海迪东实业有限公司 | Projection equipment cascade module and method and projection signal cascade method |
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