CN108124195A - A kind of multi-layer image compounding method, device and display system - Google Patents
A kind of multi-layer image compounding method, device and display system Download PDFInfo
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- 238000013329 compounding Methods 0.000 title claims abstract description 16
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/44029—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display for generating different versions
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Abstract
The invention discloses a kind of multi-layer image compounding method, device and display system, which includes：At least one main mixer and at least one auxiliary mixer, main mixer are superimposed generation combination picture for receiving multi-layer image, by multi-layer image, and the conversion of resolution of combination picture is exported to higher than the first setting resolution ratio；Auxiliary mixer is superimposed generation combination picture for receiving multi-layer image, by multi-layer image, and the conversion of resolution of combination picture is exported to less than the second setting resolution ratio；Wherein main mixer and auxiliary mixer concurrent working.Not only the speed of service is fast by the present invention, and performance is stablized, and configuration is flexible, and overall structure is simple, small, cost-effective, can be produced in batches, solves the problems, such as that recombiner is complicated in conventional video broadcasting chip, performance is unstable.
Description
Technical field
The present invention relates to a kind of multi-layer image compounding method, device and display systems.
Background technology
With the rapid development of network, people can obtain various audio and video resources in more and more convenient method, have and regard
The electronic device product of frequency playing function is particularly important, and video playing chip therein plays key effect, and how very
The multi-layer image recombiner in chip is realized well, becomes a focal point of academia.At present, in video playing chip
Multi-layer image recombiner be conceived to how to simplify its circuit structure, improve the speed of service, improve stability, reduce cost.
But the multi-layer image recombiner in these video playing chips there is also it is certain the problem of, be mainly reflected in：It is multiple
Clutch is relatively simple, and few inventions can embody a concentrated reflection of the circuit of multiple advantages on one circuit, some recombiners
Structure is relative complex, and hardware cost is high, and the speed of service is relatively low.
In conclusion realizing complexity for circuit in the prior art, the speed of service is low, and performance is unstable, and hardware cost is high
The problems such as, still lack effective solution.
The content of the invention
For the deficiencies in the prior art, the present invention provides a kind of multi-layer image compounding method, device and
Display system.
The first object of the present invention is to provide a kind of multi-layer image compounding method.
To achieve these goals, the present invention is using a kind of following technical solution：
A kind of multi-layer image compounding method, including：
Multi-layer image is received, multi-layer image is superimposed generation combination picture；
The conversion of resolution of combination picture is exported to more than or equal to the first setting resolution ratio；Simultaneously by composite diagram
The conversion of resolution of picture is exported to less than or equal to the second setting resolution ratio.
Further, the multi-layer image include at least a background image layer, one or more still image layer and
One or more video layers.
Further, multi-layer image is superimposed generation combination picture includes：
Background image is placed on bottom, still image layer covering background image layer, video layer covering still image layer；
When there is multiple still image layers, according to each still image layer of the first laminated structure；
When there is multiple video layers, each video layer is overlapped according to picture-in-picture form；Wherein, the superposition of picture-in-picture is suitable
Sequence is using the second order.
Further, the conversion of resolution of combination picture is subjected to output bag to more than or equal to the first setting resolution ratio
It includes：
The pixel quantity for keeping combination picture is constant, and first resolution is calculated according to default output image size, makes multiple
Image is closed to export according to first resolution；
If first resolution is less than the first setting resolution ratio, linear interpolation is carried out to the pixel of combination picture, and again
First resolution is calculated, until first resolution is greater than or equal to the first setting resolution ratio.
Further, the conversion of resolution of combination picture is subjected to output bag to less than or equal to the second setting resolution ratio
It includes：
The pixel quantity for keeping combination picture is constant, and second resolution is calculated according to default output image size, makes multiple
Image is closed to export according to second resolution；
It is down-sampled to the pixel progress of combination picture if second resolution sets resolution ratio higher than second, and count again
Second resolution is calculated, until second resolution is less than or equal to the second setting resolution ratio.
Further, this method further includes the reception state for controlling the multi-layer image, makes at one or more image layers
In enabled state or illegal state.
Further, multi-layer image is received respectively by multiple threads, is controlled per tomographic image by its corresponding thread.
The second object of the present invention is to provide a kind of multi-layer image composite handling arrangement.
To achieve these goals, the present invention is using a kind of following technical solution：
A kind of multi-layer image composite handling arrangement, including：
At least one main mixer and at least one auxiliary mixer, main mixer is for receiving multi-layer image, by multilayer graph
As superposition generation combination picture, the conversion of resolution of combination picture is exported to higher than the first setting resolution ratio；Auxiliary mixing
Device is superimposed generation combination picture for receiving multi-layer image, by multi-layer image, by the conversion of resolution of combination picture to being less than the
Two setting resolution ratio are exported；Wherein main mixer and auxiliary mixer concurrent working.
Further, further include to control the first crossbar switch and the second crossbar switch of multi-layer image enabled state,
One end connection multi-layer image assembly line of first crossbar switch, the other end connect main mixer；One end of second crossbar switch connects
Multi-layer image assembly line is connect, the other end connects auxiliary mixer.
The third object of the present invention is to provide a kind of compound display system of multi-layer image.
To achieve these goals, the present invention is using a kind of following technical solution：
A kind of compound display system of multi-layer image, including display device and above-mentioned multi-layer image composite handling arrangement,
Middle main mixer is connected display device simultaneously with auxiliary mixer.
Beneficial effects of the present invention：
(1) a kind of multi-layer image compounding method, device and display system of the invention, a kind of multi-layer image therein
Composite handling arrangement and the display system speed of service are fast, and performance is stablized, and configuration is flexible.
(2) a kind of multi-layer image compounding method, device and display system of the invention, a kind of multi-layer image therein
Composite handling arrangement and display system overall structure are simple, small, cost-effective, can be produced in batches, a kind of multilayer graph
As compounding method solves the problems, such as that recombiner is complicated in conventional video broadcasting chip, performance is unstable.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the main mixer plan view of the present invention；
Fig. 3 is the main mixer planar layered structure figure of the present invention；
Fig. 4 is the image of the present invention and video module Organization Chart；
Fig. 5 is the crossbar switch connection structure diagram of the present invention.
Specific embodiment：
The invention will be further described with embodiment below in conjunction with the accompanying drawings：
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Embodiment 1：
The purpose of the present embodiment 1 is to provide a kind of multi-layer image compounding method.
To achieve these goals, the present invention is using a kind of following technical solution：
As shown in Figure 1,
A kind of multi-layer image compounding method, including：
Step (1)：Multi-layer image is received, multi-layer image is superimposed generation combination picture；
Step (2)：The conversion of resolution of combination picture is exported to more than or equal to the first setting resolution ratio；Simultaneously
The conversion of resolution of combination picture is exported to less than or equal to the second setting resolution ratio.
The present embodiment the step of in (1), the multi-layer image includes at least a background image layer, one or more quiet
State image layer and one or more video layers.
The present embodiment the step of in (1), multi-layer image is superimposed generation combination picture includes：
Background image is placed on bottom, still image layer covering background image layer, video layer covering still image layer；
When there is multiple still image layers, according to each still image layer of the first laminated structure；
When there is multiple video layers, each video layer is overlapped according to picture-in-picture form；Wherein, the superposition of picture-in-picture is suitable
Sequence is using the second order.
The present embodiment the step of in (2), the conversion of resolution of combination picture is differentiated to more than or equal to the first setting
Rate, which carries out output, to be included：
The pixel quantity for keeping combination picture is constant, and first resolution is calculated according to default output image size, makes multiple
Image is closed to export according to first resolution；
If first resolution is less than the first setting resolution ratio, linear interpolation is carried out to the pixel of combination picture, and again
First resolution is calculated, until first resolution is greater than or equal to the first setting resolution ratio.
The present embodiment the step of in (2), the conversion of resolution of combination picture is differentiated to less than or equal to the second setting
Rate, which carries out output, to be included：
The pixel quantity for keeping combination picture is constant, and second resolution is calculated according to default output image size, makes multiple
Image is closed to export according to second resolution；
It is down-sampled to the pixel progress of combination picture if second resolution sets resolution ratio higher than second, and count again
Second resolution is calculated, until second resolution is less than or equal to the second setting resolution ratio.
The present embodiment can also be further improved, and this method further includes the reception state for controlling the multi-layer image, makes one
A or multiple images layer is in enabled state or illegal state.
It should be noted that multi-layer image is received respectively by multiple threads, controlled per tomographic image by its corresponding thread.
The purpose of the present embodiment is to provide a kind of computing device.
A kind of customer service strategies making device based on random forest and logistic regression, including memory, processor and
The computer program that can be run on a memory and on a processor is stored, the processor is realized following when performing described program
Step, including：
Step (1)：Multi-layer image is received, multi-layer image is superimposed generation combination picture；
Step (2)：The conversion of resolution of combination picture is exported to more than or equal to the first setting resolution ratio；Simultaneously
The conversion of resolution of combination picture is exported to less than or equal to the second setting resolution ratio.
The present embodiment also provides a kind of computer readable storage medium.
A kind of computer readable storage medium, is stored thereon with computer program, which performs when being executed by processor
Following steps：
Step (1)：Multi-layer image is received, multi-layer image is superimposed generation combination picture；
Step (2)：The conversion of resolution of combination picture is exported to more than or equal to the first setting resolution ratio；Simultaneously
The conversion of resolution of combination picture is exported to less than or equal to the second setting resolution ratio.
Term " computer readable storage medium " is construed as the single medium or more for including one or more instruction set
A medium；Any medium is should also be understood as including, any medium can be stored, encodes or carried for by processor
The instruction set of execution simultaneously makes processor perform the either method in the present invention.
Embodiment 2：
The purpose of the present embodiment 2 is to provide a kind of multi-layer image composite handling arrangement.
To achieve these goals, the present invention is using a kind of following technical solution：
A kind of multi-layer image composite handling arrangement, including：
As shown in figure 4,
At least one main mixer and at least one auxiliary mixer, main mixer is for receiving multi-layer image, by multilayer graph
As superposition generation combination picture, the conversion of resolution of combination picture is exported to higher than the first setting resolution ratio；Auxiliary mixing
Device is superimposed generation combination picture for receiving multi-layer image, by multi-layer image, by the conversion of resolution of combination picture to being less than the
Two setting resolution ratio are exported；Wherein main mixer and auxiliary mixer concurrent working.
The present embodiment can also be further improved, and further include to control the first crossbar switch of multi-layer image enabled state
With the second crossbar switch, one end connection multi-layer image assembly line of the first crossbar switch, the other end connects main mixer；Second hands over
One end connection multi-layer image assembly line that fork is closed, the other end connect auxiliary mixer.
As shown in Fig. 2, a kind of multi-layer image composite handling arrangement of the present embodiment, a high definition/SD video playing core
Multi-layer image recombiner in piece includes 2 real-time, multilevel mixers.Main mixer (MIX1) is formed by up to 5 layers,
It is respectively：One background layer planes of color, a video layer plane, 3 image layer planes；Auxiliary mixer (MIX2) includes more
Up to 5 layers, it is respectively：One background layer planes of color, a video layer plane, 3 image layer planes.Video layer flat content source
In master/auxiliary video-stream processor；Memory is arisen directly from for the pixel data that two dimensional image is shown, pixel data is shown
Plane assembly line after processing, is mixed in real time by main mixer with auxiliary mixer.Main mixer supports full HD HD (high
Definition) the resolution processes of grade are commonly used in the major way that TV is shown；Auxiliary mixer supports full SD SD
The resolution processes of (standard definition) grade, are commonly used in auxiliary display mode, including being connected on VCR；It is main
Mixer for the output stage after auxiliary mixer processing with providing data.
As shown in figure 3, the multi-layer image of mixer 1 can be upset with video plane composition order, different images and video
Layer can be combined.As shown in figure 4, recombiner is also combined with remaining ingredient, for the whole of enhancing video and image
Body display effect, Fig. 4 give the recombiner frame of the image and video composition of Channel5 (passage 5), and which show compound
The layering composition of device, including：BKC (block ground color background colors) layer, GDP (graphic display
Pipeline image displays assembly line) layer, VID (VIDEO) layer.
As shown in figure 4, the data flow of recombiner disparate modules and storage access situation are as follows：Image pipeline is from storage
Device directly reads pixel and relevant control information；Video input assembly line shows that assembly line obtains number from main, auxiliary video
According to；Image carries out processing in real time by being realized to register programming Control with video pipeline；GDP1, GDP2, GDP3,
GDP4, GDP5, GDP6 generate image data for high definition or SD display application；Digital mixer 1 (mixer 1) mixed video is put down
Surface layer, plane of delineation layer GDP1, GDP2, GDP3 and a background color plane layer；Digital mixer 2 (mixer 2) mixes
Video plane layer, plane of delineation layer GDP4, GDP5, GDP6 and a background color plane layer.Due to the execution of mixer
Hybrid manipulation is operated in RGB color domain, therefore each layer supports rgb signal (3x12bits).
As shown in figure 4, this patent encodes the hierarchical structure of multilayer planar using a kind of crossbar switch connection structure
Control.The arrangement of multilayer is the result is that except background layer plane, remaining plane layer can be programmed, and each plane layer can be only
Vertical to be enabled or forbidden, this operation is completed in a register.
Configurable crossbar switch connection structure as shown in figure 5, select end and control control terminals by select,
The output (OUT0-OUTN distinguishes bottom to top layer) of selection OUT0-OUTn and each layer of state (enable or forbid) successively,
So as to carry out coding-control to the hierarchical structure of multilayer planar, the arrangement of multilayer is the result is that except background layer plane, remaining plane
Layer can be programmed, and each plane layer can be enabled or forbidden by independent.
As shown in figure 4, all submodules can be directly controlled by hardware register, all registers can be by
It reads, but all registers can be not necessarily written into；Image layer plane is addressed and is organized based on chained list, and is passed through
Memory carries out submodule block register setting；Each layer plane supports special bit field mapping format；If mixer 1 is with mixing
Device 2 is enabled, then each layer plane starts to be read out data from memory.
Multi-layer image recombiner in the high definition of the present embodiment/SD video playing chip includes 2 real-time, more planes
Mixer.Main mixer (MIX1) is formed by up to 5 layers, is respectively：One background layer planes of color, a video layer are put down
Face, 3 image layer planes；Auxiliary mixer (MIX2) includes up to 5 layers, is respectively：One background layer planes of color, one regards
Frequency layer plane, 3 image layer planes.Video layer flat content comes from master/auxiliary video-stream processor；It is shown for two dimensional image
Pixel data arises directly from memory, after pixel data is shown the processing in real time of plane assembly line, by main mixer and auxiliary
Mixer mixes.Main mixer supports the resolution processes of full HD HD (high definition) grade, is commonly used in TV and shows
The major way shown；Auxiliary mixer supports the resolution processes of full SD SD (standard definition) grade, generally quilt
For aiding in display mode, including being connected on VCR；Main mixer for the output stage after auxiliary mixer processing with providing number
According to.
Not only the speed of service is fast for multi-layer image recombiner in high definition/SD video playing chip of the present invention, and performance is steady
Fixed, configuration is flexible, and overall structure is simple, small, cost-effective, can be produced in batches, solve conventional video and broadcast
Put the problem of recombiner in chip is complicated, performance is unstable.
Embodiment 3：
The purpose of the present embodiment 3 is to provide a kind of compound display system of multi-layer image.
To achieve these goals, the present invention is using a kind of following technical solution：
A kind of compound display system of multi-layer image, including display device and above-mentioned multi-layer image composite handling arrangement,
Middle main mixer is connected display device simultaneously with auxiliary mixer.
Beneficial effects of the present invention：
(1) a kind of multi-layer image compounding method, device and display system of the invention, a kind of multi-layer image therein
Composite handling arrangement and the display system speed of service are fast, and performance is stablized, and configuration is flexible.
(2) a kind of multi-layer image compounding method, device and display system of the invention, a kind of multi-layer image therein
Composite handling arrangement and display system overall structure are simple, small, cost-effective, can be produced in batches, a kind of multilayer graph
As compounding method solves the problems, such as that recombiner is complicated in conventional video broadcasting chip, performance is unstable.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of multi-layer image compounding method, which is characterized in that including：
Multi-layer image is received, multi-layer image is superimposed generation combination picture；
The conversion of resolution of combination picture is exported to more than or equal to the first setting resolution ratio；Simultaneously by combination picture
Conversion of resolution is exported to less than or equal to the second setting resolution ratio.
2. according to the method described in claim 1, it is characterized in that, the multi-layer image include at least a background image layer,
One or more still image layers and one or more video layers.
3. according to the method described in claim 2, it is characterized in that：Multi-layer image is superimposed generation combination picture includes：
Background image is placed on bottom, still image layer covering background image layer, video layer covering still image layer；
When there is multiple still image layers, according to each still image layer of the first laminated structure；
When there is multiple video layers, each video layer is overlapped according to picture-in-picture form；Wherein, the overlay order of picture-in-picture is adopted
With the second order.
4. according to the method described in claim 1, it is characterized in that, by the conversion of resolution of combination picture to more than or equal to the
One setting resolution ratio, which carries out output, to be included：
The pixel quantity for keeping combination picture is constant, calculates first resolution according to default output image size, makes composite diagram
As being exported according to first resolution；
If first resolution is less than the first setting resolution ratio, linear interpolation is carried out to the pixel of combination picture, and is recalculated
First resolution, until first resolution is greater than or equal to the first setting resolution ratio.
5. according to the method described in claim 1, it is characterized in that, by the conversion of resolution of combination picture to less than or equal to the
Two setting resolution ratio, which carry out output, to be included：
The pixel quantity for keeping combination picture is constant, calculates second resolution according to default output image size, makes composite diagram
As being exported according to second resolution；
If second resolution higher than the second setting resolution ratio, carries out the pixel of combination picture down-sampled, and the is recalculated
Two resolution ratio, until second resolution is less than or equal to the second setting resolution ratio.
6. according to the method described in claim 1, it is characterized in that, further include the reception state that controls the multi-layer image, make
One or more image layers are in enabled state or illegal state.
7. according to the method described in claim 1, it is characterized in that, multi-layer image is received respectively by multiple threads, per tomographic image
It is controlled by its corresponding thread.
8. a kind of multi-layer image composite handling arrangement based on claim 1, which is characterized in that including：
At least one main mixer and at least one auxiliary mixer, main mixer fold multi-layer image for receiving multi-layer image
Add generation combination picture, the conversion of resolution of combination picture is exported to higher than the first setting resolution ratio；Auxiliary mixer is used
In receiving multi-layer image, multi-layer image is superimposed generation combination picture, the conversion of resolution of combination picture is set to less than second
Determine resolution ratio to be exported；Wherein main mixer and auxiliary mixer concurrent working.
9. device according to claim 8, which is characterized in that further include to control the first of multi-layer image enabled state
Crossbar switch and the second crossbar switch, one end connection multi-layer image assembly line of the first crossbar switch, the other end connect main mixing
Device；One end connection multi-layer image assembly line of second crossbar switch, the other end connect auxiliary mixer.
10. a kind of compound display system of multi-layer image, which is characterized in that including display device and as claimed in claim 9 more
Tomographic image composite handling arrangement, wherein main mixer is connected display device simultaneously with auxiliary mixer.
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