CN107040749A - Share the method for screen hand-written image and the terminal for carrying out video conference in video conference - Google Patents
Share the method for screen hand-written image and the terminal for carrying out video conference in video conference Download PDFInfo
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- CN107040749A CN107040749A CN201610081094.9A CN201610081094A CN107040749A CN 107040749 A CN107040749 A CN 107040749A CN 201610081094 A CN201610081094 A CN 201610081094A CN 107040749 A CN107040749 A CN 107040749A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The present invention relates to sharing on the screen method of hand-written image in the terminal room for carrying out video conference and realizing the terminal of this method, methods described is included in display background composite bed in the touch display screen of a terminal；The output image that another terminal is shown in the video conference window figure layer of one terminal, the video conference window figure layer of one terminal is shown in the touch display screen of one terminal；Handwriting input is carried out in the touch display screen of one terminal and hand-written figure layer is generated, selects the background composite bed and the hand-written figure layer to be sent in real time to another described terminal and including in the video conference window figure layer of another terminal as the output image of one terminal and by the output image of one terminal after merging in real time.
Description
Technical field
It is particularly a kind of to share hand when carrying out video conference the present invention relates to the information sharing field in multi-media communication
Write the method and a kind of terminal for being used to carry out video conference of image.
Background technology
Communication system allows the user of equipment to be communicated by the computer network of such as internet.The communication thing that can be set up
Part, which includes audio call, video call, instant message, voice mail, file, to be transmitted and other.Utilize above-mentioned communication system
System, when a user is communicated with another user, can share the content on their screens.Using existing logical
In the scene of letter system, such as when using communication system holding video conference, electronic white board equipment is extraly provided with toward contact
To realize hand-written interaction, user can arbitrarily writing, the picture painted or shown in real time make marks on electronic whiteboard, together
When these hand markings are shown on computer and electronic whiteboard.Such system needs single electronic whiteboard to set mostly
Standby and single video conference display device, space-consuming is than larger, and cost is higher, and using also inconvenient.
On this basis, for example, Chinese patent application CN 104135484A propose a kind of integrated interactive whiteboard with regarding
The embedded system and method for calling of frequency meeting, it is there is provided integrated touch screen, microphone, display screen, interactive whiteboard
The terminal of one, can directly convene video conference, it is not necessary to configure a certain and assist a ruler in governing a country equipment, it is not required that the various lines of connection
Cable, under the assistance of interactive whiteboard, allows long-range spectators to feel on the spot in person.
However, in this integrated interactive whiteboard and the system of video conference, because integrated touch screen will be used as display simultaneously
The display screen of video conference window and the handwriting input screen of electronic whiteboard, cause user intermittently to make in the time or spatially
With electronic whiteboard function and the menu display function of video conference, i.e. when showing video conference window on the screen of user and lead to
, can only be with screen in addition to the video conference window when crossing video conference window and obtaining the information that the user of another terminal shares
Part as handwriting input region, handwriting area is smaller, inconvenient for use；On the other hand, if user is wanted all
When region is as electronic whiteboard input area, then simultaneously video conference window can not be shown to obtain another end on screen
The information that the user at end shares, otherwise, video conference window are produced with handwriting input content and are superimposed, and influence is long-range another
The readability for the information that the user of individual terminal receives.
The content of the invention
Above mentioned problem of the prior art is all due to the output figure of the terminal when sharing the screen hand-written image of same terminal
Caused as (that is, the image that another long-range terminal is received) is identical with the display image of the terminal.Therefore, originally
Invention proposes the method for optionally sharing the image shown on screen in two terminal rooms for carrying out video conference, and
Realize the terminal of this method.
Specifically, one aspect of the present invention provides a kind of two terminal rooms in progress video conference and shared in screen left-hand seat
The method for writing image, this method includes：The display background composite bed in the touch display screen of a terminal；Set up a terminal
Communication between another terminal carries out video conference, and the video of a terminal is shown in the touch display screen of a terminal
The output image of another terminal is shown in meeting window figure layer, the video conference window figure layer of a terminal；At another end
The video conference window figure layer of another terminal, the video conference window figure layer of another terminal are shown in the touch display screen at end
In show the output image of a terminal；Handwriting input is carried out in the touch display screen of a terminal and hand-written figure is generated
Layer, hand-written figure layer is shown in the touch display screen of a terminal；The background shown from the touch display screen of a terminal is answered
Conduct after selection background composite bed and hand-written figure layer are merged in real time in conjunction layer, hand-written figure layer and video conference window figure layer
The output image of one terminal；And, the output image of a terminal is sent to another terminal and including another in real time
In the video conference window figure layer of individual terminal.
By using the above method, it can not only show video conference picture in a touch display screen but also carry out handwriting input,
So as to overcome be overlapped mutually due to video pictures and handwritten input information caused by the receiving party information that receives
The defect of readable difference.And correspondingly, handwritten input information sender can use whole touch display screen as hand-written defeated
Enter region, will be used to show video conference without the readability of the information because receiving in view of handwritten input information recipient
The region of window is excluded outside handwriting input region, therefore, it is possible to use the area in bigger handwriting input region.
Further, by being added to hand-written figure layer as prospect as on the background composite bed of background, so as to realize background
Composite bed merges using the output image as a terminal, background composite bed, hand-written figure layer and a terminal with hand-written figure layer
Output image there is same size.Therefore, can be corresponding with the text that user is marked by the mark of user's handwriting input
Ground shows simultaneously, easy-to-read.
It is preferred that the side for sharing the hand-written image on screen in two terminal rooms for carrying out video conference provided according to the present invention
In method, background composite bed includes reading in one or more of file display sublayer, remote desktop sublayer, outside input sublayer,
Wherein outside input sublayer includes one or more of VGA inputs sublayer, HDMI inputs sublayer, DVI input sublayers.
In the present invention, optionally one or more sublayers of background composite bed and hand-written figure layer are merged.
In method provided by the present invention, by further segmenting and simplifying the content of background composite bed, can freely it select
The content merged with hand-written figure layer is needed, redundancy is excluded, enhancing is readable.
It is preferred that the side for sharing the hand-written image on screen in two terminal rooms for carrying out video conference provided according to the present invention
In method, background composite bed and hand-written figure layer are merged with the time interval for being not more than 300ms.By such mode,
Being capable of transmission information, and reduce the occupancy to device resource, Internet resources etc. in time.
Further, according to another aspect of the present invention, a kind of terminal for being used to carry out video conference, the terminal bag are also provided
Include：Touch display screen；Communication device for setting up the communication connection between a terminal and another terminal；For generating
The device of background composite bed, the background composite bed is shown in touch display screen；For the touch display screen in a terminal
Carry out handwriting input and generate the handwriting input generating means of hand-written figure layer, the touch that hand-written figure layer is shown in a terminal is shown
On screen；Video conference device for carrying out video conference by communication device, video conference device generation is in terminal
The video conference window figure layer shown in touch display screen, display is received by communication device wherein in video conference window figure layer
Another terminal output image；For in real time from the background composite bed of a terminal, hand-written figure layer and video conference window
The image that selection background composite bed and hand-written figure layer are merged in mouth figure layer merges device, merges wherein merging device through image
Image afterwards as a terminal output image；And video conference device is additionally operable to terminal by communicator
Output image is sent to another terminal and by the video conference device of another terminal by the output figure of a terminal in real time
As generation is shown in the video conference window figure layer of another terminal.
According in the terminal provided by the present invention for carrying out video conference, video conference device and handwriting input life are integrated with
Into device, without complicated wiring, compared with the existing system and device for realizing video conference and electronic whiteboard function, overall body
Product and area occupied are all smaller.On this basis, merge device by image to be optionally displayed in a terminal
One or more figure layers are sent to another terminal, rather than the All Layers being displayed in a terminal are sent to another
Terminal.This arrangement is had the advantage that, has on the one hand simplified the information content for being delivered to another terminal, without by redundancy
Information transmission give another terminal；More importantly, the user of a terminal can use whole touch display screen as hand-written
Input area, without again by touch display screen be used for show video conference window region exclude handwriting input region it
Outside.In addition, provided by the present invention for carrying out in the terminal of video conference, hand-written figure layer, which can have and touch, to be shown
The same size in the viewing area of screen, therefore in the case where not increasing the volume of touch display screen, using the teaching of the invention it is possible to provide handwriting input
The bigger terminal of region area, improves the utilization rate of the touch display screen of the terminal.
It is preferred that according to the terminal provided by the present invention for being used to carry out video conference, background composite bed includes one or more
The sublayer of superposition, terminal bottom application apparatus, reads in file device, remote desktop device, each in external input sources
One in one or more sublayers is generated respectively.
By such construction, user can further simplify and be sent in the image of another terminal according to specifically used needs
Hold, ensure that the promptness of information in the case where being not take up excess resource.
It is preferred that according to the terminal provided by the present invention for being used to carry out video conference, hand-written figure layer can have to be shown with touching
The same size in the viewing area of display screen.Have configuration which, can both show video conference in a touch display screen
When picture carries out handwriting input again, thus overcome be overlapped mutually due to video pictures and handwritten input information caused by information
The defect of the readability difference for the information that recipient receives.And correspondingly, handwritten input information sender can use entirely
Touch display screen is as handwriting input region, the readability without the information because being received in view of handwritten input information recipient
And by for showing that the region of video conference window is excluded outside handwriting input region, therefore, it is possible to using bigger hand-written defeated
Enter the area in region.
It is preferred that according to the terminal provided by the present invention for being used to carry out video conference, the terminal also includes printing equipment, beaten
Printing equipment puts the output image for printing the terminal.
Have configuration which, the output image of the terminal can be not only used for sending to another terminal, also be available for the terminal
User's printing is preserved, similarly, and the output image does not include video conference windows content, therefore the terminal user refers to regard
The content of frequency meeting window, handwriting area is used as using whole touch display screen.
Brief description of the drawings
Fig. 1 is provided by the present invention for carrying out a terminal of video conference and the construction block diagram of another terminal；
Fig. 2 is the composition schematic diagram of exemplary background composite bed in the terminal provided by the present invention for carrying out video conference；
Fig. 3 is the example provided by the present invention for being used to generate by handwriting input generating means in the terminal of video conference
The illustrative diagram of the hand-written figure layer of property；
Fig. 4 is the video conference window provided by the present invention for being used to show in the touch display screen of the terminal of video conference
The illustrative diagram of figure layer；
Fig. 5 is to show when carrying out video conference using the terminal provided by the present invention for carrying out video conference in touch display screen
The illustrative diagram for each figure layer shown；
Fig. 6 a are the exemplary screen shared when carrying out video conference according to prior art between two video conference terminals
The schematic diagram of image；
Fig. 6 b are the another exemplary screen shared when carrying out video conference according to prior art between two video conference terminals
The schematic diagram of image；
Fig. 7 is to divide when carrying out video conference using the terminal provided by the present invention for carrying out video conference between two terminals
The schematic diagram for the exemplary output plot picture enjoyed；
Fig. 8 a and Fig. 8 b be respectively using it is provided by the present invention be used for carry out video conference terminal carry out video conference when one
The reception image of the example images that are shown in the touch display screen of individual terminal and the display screen display of another terminal
Schematic diagram；
Fig. 9 is according to the side provided by the present invention for sharing the hand-written image on screen in two terminal rooms for carrying out video conference
The indicative flowchart of method.
Embodiment
Fig. 1 is the terminal provided according to the present invention and the block diagram of the construction of another terminal.As shown in figure 1, according to this
The terminal 1 for being used to carry out video conference of invention includes touch display screen 10, communication device 11, for generating background composite bed
Device 12, handwriting input generating means 13, video conference device 14 and image merge device 15.Further, Neng Gouyu
Another terminal 2 that the terminal 1 of the present invention carries out video conference is also at least needed with display screen, communication device and video council
Discuss device 14.In the preferred embodiment, another terminal 2 is whole with the identical of terminal 1 provided by the present invention
End, therefore only the concrete structure of terminal 1 will be described in detail in the following description, and save the description to terminal 2.
But, the present invention is not limited to this, to those skilled in the art, and another terminal 2 can also be known
People's computer, personal digital assistant, mobile phone, game station etc., as long as can enter with terminal 1 provided by the present invention
Row communication connection is conveyed with data.
Further, in terminal 1 provided by the present invention, communication device 11 is used to set up a terminal 1 and another end
End 2 between communication connection, wherein the communication connection can using arbitrarily disclosure satisfy that image, voice delivery requirement it is existing
Communication connected mode in technology.For example, Internet connection, bluetooth connection etc. communicate connected mode.Further, as rear attached
Shown in Figure of description 1 and accompanying drawing 2, the device 12 for generating background composite bed generates background composite bed L0, and shows
In touch display screen 10；Further, background composite bed L0 includes the sublayer of one or more superpositions, each sublayer by
Multiple devices 12 for being used to generate background composite bed are generated respectively, and these devices are for example including terminal bottom application apparatus, reading
Enter one or more of file device, remote desktop device, external input sources.It is preferred that external input sources are, for example, it
His computer, tablet personal computer, projecting apparatus etc..The sublayer further, generated by different device can mutually cover, is superimposed,
It is shown in jointly in the touch display screen 10 of terminal 1 after splicing, as shown in Figure 2, in preferable reality provided by the present invention
Apply in example, the content shown by background composite bed L0 includes the operating system background of the document files L0.1 and terminal read
Picture L0.2.But the present invention is not limited to this, to those skilled in the art, according to the difference of concrete application scene,
Background composite bed L0 content can arbitrarily be selected according to the need for user.
Further, as shown in rear attached Figure of description 3, in the terminal 1 provided by the present invention for being used to carry out video conference
In, handwriting input generating means 13 are used to carry out handwriting input in the touch display screen 10 of the terminal 1 and generate hand-written figure
Layer L1, hand-written figure layer L1 is also shown in the touch display screen 10 of a terminal 1.
More specifically, when user needs to be labeled the document files that terminal 1 is read, or need handwritten input information
When, user can using mutually start writing or the various modes such as finger terminal 1 the enterprising style of writing word writing of touch display screen 10, draw
Scheme, input the marking or figure, draw a diagram, delete stroke etc..When user carries out handwriting input in touch display screen 10
When, touch display screen 10 adopt in various manners determine mutually start writing or finger position, such as electromagnetic induction technology, infrared sense
Answer the one or more of technology, resistance pressure sensitivity technology, ultrasonic technology, optical information processing technology and laser technology etc..Enter one
Step, handwriting input generating means 13 by according to detect mutually start writing or finger a series of consecutive variations position generate
The person's handwriting track of user's input, is shown after multiple person's handwriting tracks are overlapped mutually or deleted according to the instruction of user in the form of picture
Show in touch display screen 10, as shown in Figure 3.Therefore, in terminal 1 provided by the present invention, will can entirely it touch
The viewing area of display screen 10 is touched as handwriting input region.Further, it is used to carry out video council provided by the present invention
In the terminal 1 of view, the hand-written figure layer L1 of generation can have the size same with the viewing area of touch display screen 10, this
In the case of individual, terminal 1 can be worked in the way of handwriting pad or electronic whiteboard.Have configuration which, can be same
In touch display screen 10 not only shown video conference picture but also carry out handwriting input when, so as to overcome due to video pictures and hand
Write the defect of the readability difference for the information that receiving party receives caused by input information is overlapped mutually.And correspondingly,
Handwritten input information sender can use whole touch display screen 10 as handwriting input region, without because in view of hand-written
The readability of the information that receives of input receiving party and by for showing that the region of video conference window is excluded hand-written defeated
Enter outside region, therefore, it is possible to use the area in bigger handwriting input region.
Further, terminal 1 provided by the present invention also includes video conference device 14, passes through leading to that communication device 11 is set up
News connection, user can carry out video conference using video conference device 14.Video conference device 14 can be integrated in end
Any device of video conference function can be realized in end 1, Voice ＆ Video input-output equipment is generally included, for example, takes the photograph
As head, microphone, loudspeaker, and for handling the audio frequency and video code stream for receiving and sending, conference users control, media
Video conference coding/decoding module of chip controls etc. is played in collection.
Specifically, to cause the user of terminal 1 provided by the present invention and the user of another terminal 2 to carry out video conference,
Video conference device 14 generates the video conference window shown in the touch display screen 10 of the terminal 1, video conference device
14 receive the output image O2 of another terminal 2 by communication device 11, and are shown in the video conference window of the terminal 1
In mouthful.Further, contacts list, actions menu, reception/transmission can also optionally be shown in the video conference window
Instant message, the terminal 1 of the present invention be sent to any one in the content of another terminal 2, or splicing, side by side
Ground includes a variety of the above in the different zones of video conference window.As shown in figure 4, being shown in video conference window
There is the output image O2 from another terminal 2 and carry out the image of the camera intake of self terminal 1.For example, such as Fig. 4 institutes
Show, the output image O2 of another terminal 2 is shown as big picture, and camera image is shown as the small picture in the lower right corner.Depending on
The figure layer that frequency conference apparatus is generated, i.e. figure layer where video conference window, are video conference window figure layer L2.In this hair
In bright provided terminal 1, video conference window figure layer L2 can have variable size, to adapt to user not
Use with the case of needs.
Meanwhile, it is of the invention to realize that the user of terminal 1 of the present invention carries out video conference with the user of another terminal 2
The video conference device 14 of terminal 1 is also used for sending the output image O1 of the terminal 1 extremely in real time by communicator 11
Another terminal 2, and included the output image O1 generations of the terminal 1 by the video conference device of another terminal 2
In the video conference window figure layer of another terminal 2.
The output image O1 of the terminal 1 of present invention content composition is explained below.Specifically：
During video conference is carried out using the terminal 1 provided by the present invention for carrying out video conference, such as Fig. 5 institutes
Show, the touch display screen 10 of terminal 1 is while display background composite bed L0, hand-written figure layer L1 and video conference window figure layer
L2。
In this case, in the prior art, the All Layers content shown in the touch display screen 10 of terminal 1 will together
Sent as output image O1 to another terminal 2, as shown in figures 6 a and 6b.More specifically, in the prior art,
The image that the image that the touch display screen 10 of terminal 1 is shown namely another terminal 2 is received, due in hand-written figure layer L1
Printed words " √ " covered by video conference window figure layer L2, then the user of another terminal 2 can not see the hand-written figure clearly
Layer L1 full content, as shown in Figure 6 a.If alternatively, by hand-written figure layer L1 and/or background composite bed L0
One or more sublayers are placed on video conference window figure layer L2, then the user of terminal 1 can not see video conference window clearly
In be received from the output image O2 of another terminal 2, as shown in Figure 6 b.
Therefore, present invention firstly provides the selection of one or more of figure layer shown in the touch display screen 10 by terminal 1
Property is sent to another terminal 2.In order to realize this purpose, the terminal 1 provided by the present invention for being used to carry out video conference is gone back
Merge device 15 including image, the image merges device 15 in real time from background composite bed L0, the hand of a terminal 1
Writing in figure layer L1 and video conference window figure layer L2 selects background composite bed L0 and hand-written figure layer L1 to merge.More have
Body, image merging device 15 may be selected one or more of background composite bed L0 sublayer and be closed with hand-written figure layer L1
And.More specifically, background composite bed L0 includes the sublayer of one or more superpositions, and the terminal bottom included by terminal 1
Layer application apparatus (not shown), reading file device (not shown), remote desktop device (not shown), external input sources
Each in (not shown) generates one in one or more sublayers respectively.
As shown in rear attached Figure of description 7, the image after device 15 merges is merged through image as the output of a terminal 1
Image O1.As described above, the output image O1 of the terminal 1 does not include video conference window figure layer.Fig. 7, which is shown, to scheme
The document files of the reading in background composite bed L0 in 5 is used as background, the hand-written figure of " √ " printed words with handwriting input
The output image O1 that generates after layer L1 is superimposed as prospect, wherein by the stroke rail of " √ " printed words on hand-written figure layer L1
Part outside mark is Transparent color, so as to show the background composite bed L0 as background.
The touch that Fig. 8 a and Fig. 8 b respectively illustrate the terminal 1 carried out using terminal provided by the present invention in video conference shows
Image in display screen 10 and the image on the display screen of another terminal 2.It can see by Fig. 8 a and Fig. 8 b, another end
The output image O1 of the terminal 1 shown in the video conference window at end 2 clearly show the hand made on document files
Mark is write, interference is produced without the video conference window with terminal 1.On the other hand, the user of terminal 1 can also see
To being used as handwriting area using whole touch display screen while content from another terminal 2.
Further, (can also it not schemed including printing equipment according to the terminal 1 provided by the present invention for being used to carry out video conference
Show), the printing equipment is used for the output image O1 of the printing terminal 1 at any time when carrying out video conference.Similarly, the output
Image O1 can include the background composite bed L0 and hand-written figure layer L1 of terminal 1, without including video conference window figure layer
L2.Have configuration which, the output image of the terminal 1 can be not only used for sending to another terminal 2, also be available for this
The user of terminal 1 printing is preserved, similarly, and the output image does not include video conference windows content, therefore the use of the terminal 1
Family refers to the content of video conference window, and handwriting area is used as using whole touch display screen.
Fig. 9 is according to the side provided by the present invention for sharing the hand-written image on screen in two terminal rooms for carrying out video conference
The indicative flowchart of method.More specifically, this method comprises the following steps：
First, show according in the touch display screen 10 provided by the present invention for a terminal 1 for carrying out video conference
Show background composite bed L0；Background composite bed L0 can include reading in file display sublayer, remote desktop sublayer, outside input
It is defeated that one or more of sublayer, wherein outside input sublayer include VGA inputs sublayer, HDMI inputs sublayer, DVI
Enter one or more of sublayer.Next, the communication set up between a terminal 1 and another terminal 2 carries out video council
View, shows the video conference window figure layer L2 of a terminal, a terminal 1 in the touch display screen 10 of a terminal 1
Video conference window figure layer in show the output image of another terminal 2；Also, shown in the touch of another terminal 2
Shown in the video conference window figure layer of another terminal 2 of screen display, the video conference window figure layer of another terminal 2
The output image O1 of one terminal.Further, handwriting input is carried out in the touch display screen 10 of a terminal and hand is generated
Figure layer L1 is write, hand-written figure layer L1 is shown in the touch display screen 10 of a terminal.Next, from the touch of a terminal
Background is selected to be combined in background composite bed L0, the hand-written figure layer L1 and video conference window figure layer L2 that are shown on display screen 10
Layer L0 and hand-written figure layer L1, is used as the output image O1 of a terminal after the two figure layers are merged.As above, according to
It is provided by the present invention to share in two terminal rooms for carrying out video conference on screen in the method for hand-written image, it can select
Property background composite bed L0 one or more sublayers are merged with hand-written figure layer L1.It should be noted that in this hair
In bright, it is not necessary to merge video conference window figure layer L2 and background composite bed L0 and/or hand-written figure layer L1.
Next, the output image O1 of a terminal 1 is sent to another terminal 2 in real time, and it is shown in another terminal 2
Video conference window figure layer in.
By using the above method, it can not only show video conference picture in a touch display screen but also carry out handwriting input,
So as to overcome be overlapped mutually due to video pictures and handwritten input information caused by the receiving party information that receives
The defect of readable difference.And accordingly, as such as terminal 1 of handwritten input information sender user can use it is whole
Individual touch display screen 10 is as handwriting input region, without the information because being received in view of handwritten input information recipient
It is readable and by for showing that the region of video conference window is excluded outside handwriting input region, therefore, it is possible to using bigger
The area in handwriting input region.
Exemplary embodiment below in conjunction with the present invention is described in detail according to provided by the present invention in progress video conference
Two terminal rooms share on screen in the method for hand-written image, merge the output image that multiple figure layers generate a terminal 1
O1 example implementations.Specifically：
In order to merge multiple figure layers, first, the image in terminal 1 merges device 15 according to specific needs in a terminal 1
Operating system in register a hook.Then, all devices in a terminal 1 are traveled through, therefrom searching needs touching
The device of display content on display screen 10 is touched, is realized by the hook of above-mentioned registration and adjusts back the description below, and notify figure
As merging device 15.Specifically, it is exactly that the content is through searching the device obtained in method provided by the present invention
The middle device 12 and handwriting input generating means 13 that there are the multiple generation background composite beds currently operated.In other words, pass through
The hook of earlier registration, notifies image to merge device 15 and the device of the output image O1 for the combination producing terminal 1 is chosen
Elect.Wherein, in above-mentioned steps, there is provided strobe utility is configured so that video conference device is not selected, to keep away
Exempt from unnecessary trouble.
Further, image merges the device 12 and handwriting input generating means 13 that device 15 obtains multiple generation background composite beds
It is required in the content shown in touch display screen 10, i.e. obtain background composite bed L0 and hand-written figure layer L1.Next,
Device 15 is merged by the image, is added to hand-written figure layer L1 as prospect as on the background composite bed L0 of background, with
It is used as the output image O1 of a terminal.It is preferred that in preferred embodiment provided by the present invention, background composite bed
L0, hand-written figure layer L1 and a terminal output image O1 can have same size, and hand-written figure layer L1 can have
The size same with the viewing area of touch display screen 10.
Further, the hand-written image on screen is shared according to two terminal rooms provided by the present invention in progress video conference
In method, because user may change in background composite bed and/or hand-written figure layer as needed at any time during video conference
Hold, so that the user in order to which the content of renewal to be passed to another terminal 2 in time, is handed over reaching real-time, effectively to link up
The purpose of stream.For example, sharing hand-written on screen according to two terminal rooms provided by the present invention in progress video conference
In the method for image, background composite bed L0 and hand-written figure layer L1 can be merged with 300ms or shorter time interval.
In addition, according to the side provided by the present invention for sharing the hand-written image on screen in two terminal rooms for carrying out video conference
In method, during video conference is carried out, if user needs to change the generation dress for the sublayer for constituting background composite bed L0
Put, and/or whether change carries out handwriting input to generate hand-written figure layer L1 in touch display screen 10, then figure layer merges device
15 hooks registered will notify figure layer to merge device 15 and occur above-mentioned change immediately, be obtained with ensureing that figure layer merges device 15
The content shown needed for correct device in touch display screen.
According to such construction, shared according to provided by the present invention in two terminal rooms for carrying out video conference in screen left-hand seat
Write in the method for image, any moment that user can according to actual needs during video conference progress, even
Video conference starts the progress handwriting input of any moment after preceding or video conference terminates.That is, can be given birth to random order
Into above-mentioned background composite bed L0, hand-written figure layer L1 and video conference window figure layer L2, the output image O1 so generated
It can in real time be shown in another terminal, cause video conference without the genesis sequence change due to each figure layer
Effect is reduced.
Further, to those skilled in the art, can it is readily understood that, according to it is provided by the present invention
Two terminal rooms for carrying out video conference share the method for the hand-written image on screen, can realize a terminal and one or many
Individual other-end carries out also utilizing side provided by the present invention between video conference, and any two of which terminal simultaneously
Method carries out sharing for image.
The description of above-described embodiment is provided with the purpose of illustration and description.It is not intended to exhaustive or limitation this specification.Specifically
The single element or feature of embodiment are generally free from the limitation of specific embodiment, but in where applicable, even if not having
It is specifically illustrated in or describes, it can be exchanged and for selected embodiment.In many aspects, identical element or spy
Levying to change.This change is not to be regarded as a departure from this specification, and all this modifications mean to be included in this
In the range of specification.
Claims (10)
1. a kind of method for sharing the hand-written image on screen in two terminal rooms for carrying out video conference, it is characterised in that institute
The method of stating includes：
The display background composite bed in the touch display screen of a terminal；
The communication set up between one terminal and another terminal carries out video conference, shows in the touch of one terminal
Show in the video conference window figure layer of the one terminal of screen display, the video conference window figure layer of one terminal and show
The output image of another terminal；
The video conference window figure layer of another terminal is shown in the touch display screen of another terminal, it is described another
The output image of one terminal is shown in the video conference window figure layer of one terminal；
Handwriting input is carried out in the touch display screen of one terminal and hand-written figure layer is generated, the hand-written figure layer shows
Show in the touch display screen of one terminal；
The background composite bed that is shown from the touch display screen of one terminal, the hand-written figure layer and described regard
Selected in frequency meeting window figure layer the background composite bed and the hand-written figure layer merge in real time after as one
The output image of terminal；And,
The output image of one terminal is sent to another described terminal and including at another described end in real time
In the video conference window figure layer at end.
2. according to the method described in claim 1, it is characterised in that the background composite bed include reading in file show sublayer,
One or more of remote desktop sublayer, outside input sublayer, wherein the outside input sublayer, which includes VGA, inputs son
One or more of layer, HDMI inputs sublayer, DVI input sublayers.
3. method according to claim 2, it is characterised in that optionally by one of the background composite bed or many
Individual sublayer is merged with the hand-written figure layer.
4. the method according to claim 1 or 3, it is characterised in that by the way that the hand-written figure layer is superimposed as prospect
The output image of one terminal, the background composite bed, institute are reached on to the background composite bed as background
Stating the output image of hand-written figure layer and one terminal has same size.
5. according to the method described in claim 1, it is characterised in that the hand-written figure layer can have to be shown with described touch
The same size in the viewing area of screen.
6. according to the method described in claim 1, it is characterised in that to be not more than 300ms time interval to the background
Composite bed and the hand-written figure layer are merged.
7. a kind of terminal for being used to carry out video conference, it is characterised in that the terminal includes：
Touch display screen；
Communication device for setting up the communication connection between one terminal and another terminal；
Device for generating background composite bed, the background composite bed is shown in the touch display screen；
For carrying out handwriting input in the touch display screen of one terminal and generating the handwriting input of hand-written figure layer
Generating means, the hand-written figure layer is shown in the touch display screen of one terminal；
Video conference device for carrying out video conference by the communication device, the video conference device generation is described
The video conference window figure layer shown in the touch display screen of one terminal, wherein being shown in the video conference window figure layer logical
Cross the output image for another terminal that the communication device is received；
For in real time from the background composite bed of one terminal, the hand-written figure layer and the video conference window figure
The image for selecting the background composite bed and the hand-written figure layer to merge in layer merges device, wherein merging through described image
Device merge after image as one terminal output image；And
The video conference device is additionally operable to send out the output image of one terminal in real time by the communicator
Deliver to another described terminal and by the video conference device of another terminal by the output of one terminal
Image generation is shown in the video conference window figure layer of another terminal.
8. terminal according to claim 7, it is characterised in that the background composite bed includes one or more superpositions
Sublayer, terminal bottom application apparatus, each read in file device, remote desktop device, external input sources are given birth to respectively
Into one in one or more of sublayers.
9. terminal according to claim 7, it is characterised in that the hand-written figure layer can have to be shown with described touch
The same size in the viewing area of screen.
10. terminal according to claim 7, it is characterised in that the terminal also includes printing equipment, the printing dress
Put the output image for printing the terminal.
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