CN109756696A - Logo addition and video conference image generation method, system, equipment and medium - Google Patents
Logo addition and video conference image generation method, system, equipment and medium Download PDFInfo
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- CN109756696A CN109756696A CN201910047437.3A CN201910047437A CN109756696A CN 109756696 A CN109756696 A CN 109756696A CN 201910047437 A CN201910047437 A CN 201910047437A CN 109756696 A CN109756696 A CN 109756696A
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Abstract
The present invention provides a kind of addition of logo and video conference image generation method, system, equipment and medium, the logo adding method includes: the display size for obtaining each channel image in video conference image；Obtain the initial point position needed logo to be added in corresponding channel image, display content and logo size；The display size of the channel image according to corresponding to logo, judges whether logo exceeds the indication range of corresponding channel image；If it was exceeded, logo size is reduced, so that logo is located in the indication range of corresponding channel image；According to logo size, display content and initial point position, logo is added in corresponding channel image.By using the present invention, the permission for setting logo size is decontroled to user, user is allowed to select the size of logo in a certain range, and avoided logo and be only able to display a part or beyond situation about arriving in other channel end images.
Description
Technical field
The present invention relates to technical field of image processing more particularly to a kind of addition of logo and video conference image generation sides
Method, system, equipment and medium.
Background technique
One video conferencing system generally comprises: video conference terminal, multipoint control unit (Multipoint Control
Unit, abbreviation MCU) and some other audio-video collection and output equipment.Wherein, multipoint control unit (Multi Control
Unit, referred to as MCU) be video processing platform important component.During video conference, a variety of different terminals are all
Incoming call MCU carries out centralized management, forms a video conference network.Video processing is one of critical function of MCU, is responsible for next
It is handled from the video in each terminal, the video merging of multiple terminals is given at the video stream of predetermined resolution all the way
Each reception terminal.
In multipoint conference, more picture functions permission users can see the video of multiple call terminals simultaneously, and each
It can be marked in picture with display station and show image sources, so that each user is according to the terminal of the wish of oneself selection viewing.It is existing
In system, since synthesis picture size is limited, the size according to the synthesis each channel end picture of style is to limit well, that
The logo size that each channel can be shown also is limited, and in the past in order to guarantee that logo can normally be shown, logo font size is
Do not allow user setting, a default font size can be calculated when adding logo to generate logo, due to algorithm etc., generation
Logo is less than normal, and effect is often not satisfactory.
Summary of the invention
For the problems of the prior art, the purpose of the present invention is to provide a kind of addition of logo and video conference image are raw
At method, system, equipment and medium, the permission for setting logo size is decontroled to user, user is allowed to select in a certain range
The size of logo is selected, and avoids logo and is only able to display a part or beyond the feelings arrived in other channel end images
Condition.
The embodiment of the present invention provides a kind of logo adding method, for adding at least one in video conference image
Mark, each logo correspond to a channel image in the video conference image；
The logo adding method includes the following steps:
Obtain the display size of each channel image in video conference image；
Obtain the initial point position needed logo to be added in corresponding channel image, display content and logo ruler
It is very little；
According to the display size of channel image corresponding to the logo, judge whether the logo exceeds corresponding lead to
The indication range of road image；
If it was exceeded, the logo size is reduced, so that the logo is located at the display model of corresponding channel image
In enclosing, using the logo size after diminution as need logo size to be added；
According to the logo size, display content and initial point position, the logo is added to corresponding channel figure
As in.
Optionally, the display content and logo size for needing logo to be added in corresponding channel image, packet are obtained
Include following steps:
Obtain the font size for needing word content and text to display in logo to be added；
The text number of words in the word content is calculated, and institute is calculated according to the font size of the text number of words and the text
State the height and width of logo.
Optionally, the display size of the channel image includes the width of the channel image, and the logo size includes
The width of the logo, initial point position of the logo in corresponding channel image include the starting point of the logo
Abscissa；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, including walk as follows
It is rapid:
Calculate the abscissa of the starting point of the logo plus after the width of the logo with corresponding channel image
The width differential of width, if the width differential is greater than 0, the need logo to be added exceeds corresponding channel image
Width range；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the width range of corresponding channel image, need to add by described
The width of logo subtract the width differential, the width of the logo after being reduced.
Optionally, the display size of the channel image includes the height of the channel image, and the logo size includes
The height of the logo, initial point position of the logo in corresponding channel image include the starting point of the logo
Ordinate；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, including walk as follows
It is rapid:
Calculate the ordinate of the starting point of the logo plus after the height of the logo with corresponding channel image
The height difference of height, if the height difference is greater than 0, the need logo to be added exceeds corresponding channel image
Altitude range；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the altitude range of corresponding channel image, need to add by described
The height of logo subtract the height difference, the height of the logo after being reduced.
Optionally, the acquisition need logo to be added in corresponding channel image initial point position, in display
Appearance and logo size, include the following steps:
All channel images in the video conference image are traversed, judge whether need to add in each channel image
Add logo；
If it is, obtaining the initial point position needed logo to be added in corresponding channel image, display content
With logo size.
The embodiment of the present invention also provides a kind of video conference image generation method, includes the following steps:
According to the picture partitioning scheme of the resolution ratio of video conference image and each channel, the video conference image is determined
In each channel image display size；
The video image for receiving each channel of video conference will be each according to the display size of each channel image
The video image in a channel synthesizes video conference image；
Using the logo adding method, logo is added in the video conference image.
Optionally, the video image by each channel synthesizes video conference image, includes the following steps:
For each channel, compare the size of the video image received and the display size of channel image, described in judgement
Whether video image, which needs, scales；
If it is, by the video image zooming to the display size of corresponding channel image；
The video image in each channel is synthesized into video conference image.
The embodiment of the present invention also provides a kind of video conference image generation system, raw applied to the video conference image
At method, the system comprises:
Picture size determining module, for according to the resolution ratio of video conference image and the picture segmentation side in each channel
Formula determines the display size of each channel image in the video conference image；
Channel image synthesis module, the video image in each channel for receiving video conference, according to each channel figure
The video image in each channel is synthesized video conference image by the display size of picture；
Logo adding module, for adding logo in the video conference image.
The embodiment of the present invention also provides a kind of video conference image generating device, comprising:
Processor；
Memory, wherein being stored with the executable instruction of the processor；
Wherein, the processor is configured to come the video conference image generation side via the execution executable instruction
The step of method.
The embodiment of the present invention also provides a kind of computer readable storage medium, and for storing program, described program is performed
Described in Shi Shixian the step of video conference image generation method.
Logo addition provided by the present invention and video conference image generation method, system, equipment and medium, will set platform
The permission of dimensioning is decontroled to user, and user is allowed to select the size of logo in a certain range, and avoids logo only
Energy display is a part of or beyond situation about arriving in other channel end images, thus while meeting logo personal settings
Also the display effect of logo is taken into account, user experience is improved.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the flow chart of the logo adding method of one embodiment of the invention；
Fig. 2 is the flow chart of the video conference image generation method of one embodiment of the invention；
Fig. 3 is the flow chart of the video conference image generation method of a specific example of the invention；
Fig. 4 is that the video conference image of one embodiment of the invention generates the structural schematic diagram of system；
Fig. 5 is the structural schematic diagram of the video conference image generating device of one embodiment of the invention；
Fig. 6 is the structural schematic diagram of the computer storage medium of one embodiment of the invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
As shown in Figure 1, the embodiment of the present invention provides a kind of logo adding method, for being added in video conference image
A few logo, each logo correspond to a channel image in the video conference image；The logo adding method packet
Include following steps:
S310: the display size of each channel image in video conference image is obtained；
S320: the initial point position needed logo to be added in corresponding channel image, display content and platform are obtained
Dimensioning；Wherein, initial point position, display content and display size can be set by user, not set wherein one in user
Or it is multinomial when, can also using default default information；
S330: according to the display size of channel image corresponding to the logo, it is right to judge whether the logo exceeds institute
The indication range for the channel image answered；
If it was exceeded, continuing step S340: the logo size is reduced, so that the logo is located at corresponding channel
In the indication range of image, using the logo size after diminution as logo size to be added is needed, step S350 is then proceeded to；
If without departing from not changing the logo size, continuing step S350；
S350: according to the logo size, display content and initial point position, the logo is added to corresponding lead to
In road image.Herein, if logo size is changed, using the logo size after reducing, if logo size is not sent out
It changes more, then using former logo size.
In step S350, when logo being added in corresponding channel image, first according to the initial point position of logo
Be marked on the region covered in channel image with logo size determining table, for example, logo initial point position in the lower-left of channel image
Angle, logo starting point coordinate are (0,0), and the height and width of logo are respectively h1 and w1, what logo covered in channel image
Region is then to be shown according to the height of logo and width adjustment with (0,0) and (w1, h1) line for cornerwise rectangular area
Text or picture in content, so that display content and the size of logo are adapted, it then will be in display content adjusted
Text or picture are added in the region that logo covers in channel image.In another example the starting point of logo is on the right side of channel image
Upper angle, the height of channel image are h2, and width w2, logo starting point coordinate is (w2, h2), and logo covers in channel image
Region is with (w2, h2) and (w2-w1, h2-h1) line for cornerwise rectangular area, by the text in display content adjusted
Word or picture are added in the region that logo covers in channel image.Specifically, logo overlay area in channel image
Position and size are different and different with logo size with initial point position.
Therefore, in order to improve user experience, the permission for setting logo size can be decontroled to user, allows user one
Determine to select logo size in range.Simultaneously, it is contemplated that user is in setting table dimensioning, it is possible that logo size is beyond logical
The case where road image, logo is only able to display a part or beyond arriving in the terminal image in other channels at this time, to the body of user
It tests very unfriendly.Therefore, the present invention further judges whether logo can exceed the indication range of channel image, if exceeded,
Logo size is then reduced, the case where logo size is beyond channel image is avoided the occurrence of, thus meeting logo personal settings
The display effect of logo is also taken into account simultaneously.
In this embodiment, not necessarily all channel requires addition logo, in the step S320, obtains and needs
Initial point position, display content and logo size of the logo of addition in corresponding channel image, may include walking as follows
It is rapid:
All channel images in the video conference image are traversed, judge whether need to add in each channel image
Add logo；
If it is, obtaining the initial point position needed logo to be added in corresponding channel image, display content
With logo size.
In this embodiment, user set logo size can be by word content to be shown in setting logo and each
The display size of text is realized.Therefore, which decontrols the permission for setting logo font size size to user, allows user
The font size size of logo is selected in a certain range.Specifically, in the step S320, obtaining needs logo to be added in institute
Display content and logo size in corresponding channel image, include the following steps:
Obtain the font size for needing word content and text to display in logo to be added；
The text number of words in the word content is calculated, the display size of each text is determined according to the font size of text, and
The height and width of the logo are calculated according to the display size of the text number of words and each text.
It, can be according to the height of each text come determining table target if text is set as transversely arranged display in logo
Highly, the width of logo is calculated according to the number of words of the spacing and text set between the width of each text, two adjacent texts
Degree.If text is set as longitudinal arrangement and shows in logo, can according to the width of each text come determining table target width,
The height of logo is calculated according to the number of words of the spacing and text set between the height of each text, two adjacent texts.
In this embodiment, the display size of the channel image includes the width W2 of the channel image, the logo
Size includes the width W1 of the logo, and initial point position of the logo in corresponding channel image includes the logo
Starting point abscissa X；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, including walk as follows
It is rapid:
Calculate the abscissa X of the starting point of the logo plus after the width W1 of the logo with corresponding channel image
Width W2 width differential Δ W=X+W1-W2, if the width differential Δ W is greater than 0, it is described need to logo to be added
Width range beyond corresponding channel image；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the width range of corresponding channel image, need to add by described
The width W1 of logo subtract the width differential Δ W, width W1 '=W1- Δ W of the logo after being reduced.
In this embodiment, the display size of the channel image includes the height H2 of the channel image, the logo
Size includes the height H1 of the logo, and initial point position of the logo in corresponding channel image includes the logo
Starting point ordinate Y；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, including walk as follows
It is rapid:
Calculate the ordinate Y of the starting point of the logo plus after the height H1 of the logo with corresponding channel image
Height H2 height difference Δ H=Y+H1-H2, if the height difference Δ H is greater than 0, it is described need to logo to be added
Altitude range beyond corresponding channel image；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the altitude range of corresponding channel image, need to add by described
The height H1 of logo subtract the height difference Δ H, height H1 '=H1- Δ H of the logo after being reduced.
In practical applications, it can choose the width for reducing logo, also can choose the height for reducing logo, can also select
Select while reducing the width and height of logo.In logo when the transversely arranged display of text, it can only judge that the width of logo is
The no width range that can exceed channel image, if it was exceeded, the width of logo is reduced, wherein the width of each word accordingly contracts
It is small, when text longitudinal arrangement is shown in logo, it can only judge whether the height of logo can exceed the height model of channel image
It encloses, if it was exceeded, the height of logo is reduced, wherein the height of each word accordingly reduces.Logo can also be judged simultaneously
Whether the height of width range and logo that whether width can exceed channel image can exceed the altitude range of channel image, such as
Fruit has the logo size in any one direction (width and/or width) to exceed, then adjusts the logo size of corresponding direction.
The coordinate of the starting point of logo can also be supplied to user's selection, such as logo can be selected to be shown in a left side by user
Upper angle, the upper right corner, the lower left corner, the lower right corner etc..For example, it is assumed that channel origin coordinates point location (0,0), when logo is shown in a left side
When upper angle, logo origin coordinates point (X, Y) is set to (10,4)；When logo is shown in the lower left corner, the X of the origin coordinates point of logo
The high H1-4 of the high H2-logo in the channel=10, Y=, if Y < 0, Y=4；When logo is shown in the upper right corner, logo is risen
The wide W1-10 of the wide W2-logo in the channel the Y=4 of beginning coordinate points, X=, if X < 0, X=10；When logo is shown in the lower right corner
When, the wide S1-10 of the wide W2-logo in the channel X=of the origin coordinates point of logo, if X < 0, X=10.The height in the channel Y=
The high H1-4 of H2-logo, if Y < 0, Y=4.
The embodiment of the present invention also provides a kind of video conference image generation method.Multiparty control in one video conferencing system
The work of unit is by many aspects, as the network of audio-video receives, decoding, the picture synthesis of video, the audio mixing of audio, audio-video
Coding send etc., the invention mainly relates to the picture of video synthesize function.
As shown in Fig. 2, in this embodiment, the video conference image generation method includes the following steps:
S100: according to the picture partitioning scheme of the resolution ratio of video conference image and each channel, the video council is determined
Discuss the display size of each channel image in image；
S200: receiving the video image in each channel of video conference, according to the display size of each channel image,
The video image in each channel is synthesized into video conference image；
S300: using the logo adding method, logo added in the video conference image, that is, uses above-mentioned step
The method of rapid S310~step S350 adds logo in the video conference image.
Therefore, in video conference image generation method provided by the present invention, by set logo size permission decontrol to
User allows user to select the size of logo in a certain range, and avoids logo and be only able to display a part or super
The situation in other channel end images is arrived out.Specifically, by step S300 obtain logo set by user display content,
Initial point position and display size, and the size of the logo of the indication range beyond channel image is zoomed in and out, then it will expire
The logo that full size cun requires is added in corresponding channel image, to also take into account platform while meeting logo personal settings
Target display effect improves user experience.Wherein, initial point position, display content and display size can be set by user,
User do not set one of them or it is multinomial when, can also using default default information.
As shown in figure 3, the flow chart of the video conference image generation method for a specific example of the invention.In the embodiment
In, the step S100 includes the following steps:
S110: the resolution ratio of the video conference image of synthesis and the picture segmentation side in each channel are determined according to conferencing information
Formula；Picture partitioning scheme refers to the synthesis style of video conference composograph, the number including channel involved in composograph
Amount, the dimension scale etc. of each channel distribution；
S120: according to the picture partitioning scheme of the resolution ratio of video conference image and each channel, the video council is determined
Discuss the display size of each channel image in image.
In this embodiment, the step S200, includes the following steps:
S210: the video image in each channel of video conference is received；
S220: for each channel, comparing the size of the video image received and the display size of channel image, judgement
Whether the two is equal, to judge whether the video image needs to scale；
If the size of the video image received and the display size of channel image are unequal, the video image is needed
Scale, then continue step S230: the display size by the video image zooming to corresponding channel image then proceedes to
Step S240；
If the size of the video image received and the display size of channel image are equal, not to the video image
It zooms in and out, continues step S240；
S240: after the completion of the video image in all channels is all received and handled, by the video in each channel
Image synthesizes video conference image.
In this embodiment, the step S200 further includes step S250: for each channel figure in the video image
As addition frame, so that the channel image in each channel is divided and be identified.
As shown in figure 4, the embodiment of the present invention also provides a kind of video conference image generation system, applied to the video
Conference image generation method, the system comprises:
Picture size determining module M100, for being divided according to the resolution ratio of video conference image and the picture in each channel
Mode determines the display size of each channel image in the video conference image；
Channel image synthesis module M200, the video image in each channel for receiving video conference, according to each logical
The video image in each channel is synthesized video conference image by the display size of road image；
Logo adding module M300, for adding logo in the video conference image.
In this embodiment, the logo adding module M300 includes:
Channel image information acquisition unit M310, for obtaining the display ruler of each channel image in video conference image
It is very little；
Logo information acquisition unit M320, for obtaining the starting for needing logo to be added in corresponding channel image
Point position, display content and logo size；
Logo unit for scaling M330, for the display size of the channel image according to corresponding to the logo, described in judgement
Whether logo exceeds the indication range of corresponding channel image, if it was exceeded, the logo size is reduced, so that described
Mark is in the indication range of corresponding channel image, using the logo size after diminution as needing logo size to be added；
Logo adding unit M340 is used for according to the logo size, display content and initial point position, by the logo
It is added in corresponding channel image.
Therefore, in video conference image generation system of the invention, logo ruler will be set by logo adding module M300
Very little permission is decontroled to user, allows user to select the size of logo in a certain range, and avoid logo to show
Show a part or beyond situation about arriving in other channel end images.Specifically, the present invention passes through logo information acquisition unit
Initial point position, display content and the logo size of the available logo set by user of M320, pass through logo unit for scaling
M330 can zoom in and out the logo of the indication range beyond channel image, then will be met by logo adding unit M340
The logo that size requires is added in corresponding channel image, to also take into account logo while meeting logo personal settings
Display effect, improve user experience.Wherein, initial point position, display content and display size can be set by user,
User do not set one of them or it is multinomial when, can also using default default information.
The embodiment of the present invention also provides a kind of video conference image generating device, including processor；Memory, wherein storing
There is the executable instruction of the processor；Wherein, the processor is configured to via the execution executable instruction to execute
The step of video conference image generation method stated.
Person of ordinary skill in the field it is understood that various aspects of the invention can be implemented as system, method or
Program product.Therefore, various aspects of the invention can be embodied in the following forms, it may be assumed that complete hardware embodiment, complete
The embodiment combined in terms of full Software Implementation (including firmware, microcode etc.) or hardware and software, can unite here
Referred to as circuit, " module " or " system ".
The electronic equipment 600 of this embodiment according to the present invention is described referring to Fig. 5.The electronics that Fig. 5 is shown
Equipment 600 is only an example, should not function to the embodiment of the present invention and use scope bring any restrictions.
As shown in figure 5, electronic equipment 600 is showed in the form of universal computing device.The component of electronic equipment 600 can wrap
It includes but is not limited to: at least one processing unit 610, at least one storage unit 620, (including the storage of the different system components of connection
Unit 620 and processing unit 610) bus 630, display unit 640 etc..
Wherein, the storage unit is stored with program code, and said program code can be held by the processing unit 610
Row, so that the processing unit 610 executes described in this specification above-mentioned electronic prescription circulation processing method part according to this
The step of inventing various illustrative embodiments.For example, the processing unit 610 can execute step as shown in Figure 2.
The storage unit 620 may include the readable medium of volatile memory cell form, such as random access memory
Unit (RAM) 6201 and/or cache memory unit 6202 can further include read-only memory unit (ROM) 6203.
The storage unit 620 can also include program/practical work with one group of (at least one) program module 6205
Tool 6204, such program module 6205 includes but is not limited to: operating system, one or more application program, other programs
It may include the realization of network environment in module and program data, each of these examples or certain combination.
Bus 630 can be to indicate one of a few class bus structures or a variety of, including storage unit bus or storage
Cell controller, peripheral bus, graphics acceleration port, processing unit use any bus structures in a variety of bus structures
Local bus.
Electronic equipment 600 can also be with one or more external equipments 700 (such as keyboard, sensing equipment, bluetooth equipment
Deng) communication, can also be enabled a user to one or more equipment interact with the electronic equipment 600 communicate, and/or with make
Any equipment (such as the router, modulation /demodulation that the electronic equipment 600 can be communicated with one or more of the other calculating equipment
Device etc.) communication.This communication can be carried out by input/output (I/O) interface 650.Also, electronic equipment 600 can be with
By network adapter 660 and one or more network (such as local area network (LAN), wide area network (WAN) and/or public network,
Such as internet) communication.Network adapter 660 can be communicated by bus 630 with other modules of electronic equipment 600.It should
Understand, although not shown in the drawings, other hardware and/or software module can be used in conjunction with electronic equipment 600, including but unlimited
In: microcode, device driver, redundant processing unit, external disk drive array, RAID system, tape drive and number
According to backup storage system etc..
The embodiment of the present invention also provides a kind of computer readable storage medium, and for storing program, described program is performed
Described in Shi Shixian the step of video conference image generation method.In some possible embodiments, each side of the invention
Face is also implemented as a kind of form of program product comprising program code, when described program product is transported on the terminal device
When row, said program code is for executing the terminal device in this specification above-mentioned electronic prescription circulation processing method part
The step of various illustrative embodiments according to the present invention of description.
Refering to what is shown in Fig. 6, describing generating for realizing above-mentioned video conference image for embodiment according to the present invention
The program product 800 of method, can be using portable compact disc read only memory (CD-ROM) and including program code, and can
To be run on terminal device, such as PC.However, program product of the invention is without being limited thereto, it is in this document, readable
Storage medium can be it is any include or storage program tangible medium, the program can be commanded execution system, device or
Device use or in connection.
Described program product can be using any combination of one or more readable mediums.Readable medium can be readable letter
Number medium or readable storage medium storing program for executing.Readable storage medium storing program for executing for example can be but be not limited to electricity, magnetic, optical, electromagnetic, infrared ray or
System, device or the device of semiconductor, or any above combination.The more specific example of readable storage medium storing program for executing is (non exhaustive
List) include: electrical connection with one or more conducting wires, portable disc, hard disk, random access memory (RAM), read-only
Memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disc read only memory
(CD-ROM), light storage device, magnetic memory device or above-mentioned any appropriate combination.
The computer readable storage medium may include in a base band or the data as the propagation of carrier wave a part are believed
Number, wherein carrying readable program code.The data-signal of this propagation can take various forms, including but not limited to electromagnetism
Signal, optical signal or above-mentioned any appropriate combination.Readable storage medium storing program for executing can also be any other than readable storage medium storing program for executing
Readable medium, the readable medium can send, propagate or transmit for by instruction execution system, device or device use or
Person's program in connection.The program code for including on readable storage medium storing program for executing can transmit with any suitable medium, packet
Include but be not limited to wireless, wired, optical cable, RF etc. or above-mentioned any appropriate combination.
The program for executing operation of the present invention can be write with any combination of one or more programming languages
Code, described program design language include object oriented program language-Java, C++ etc., further include conventional
Procedural programming language-such as " C " language or similar programming language.Program code can be fully in user
It calculates and executes in equipment, partly executes on a user device, being executed as an independent software package, partially in user's calculating
Upper side point is executed on a remote computing or is executed in remote computing device or server completely.It is being related to far
Journey calculates in the situation of equipment, and remote computing device can pass through the network of any kind, including local area network (LAN) or wide area network
(WAN), it is connected to user calculating equipment, or, it may be connected to external computing device (such as utilize ISP
To be connected by internet).
In conclusion compared with prior art, video conference image generation method provided by the present invention, system, equipment
And storage medium has the advantage that
Video conference image generation method, system, equipment and storage medium provided by the present invention have the advantage that
Logo addition provided by the present invention and video conference image generation method, system, equipment and medium, will set platform
The permission of dimensioning is decontroled to user, and user is allowed to select the size of logo in a certain range, and avoids logo only
Energy display is a part of or beyond situation about arriving in other channel end images, thus while meeting logo personal settings
Also the display effect of logo is taken into account, user experience is improved.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of logo adding method, which is characterized in that for adding at least one logo, Mei Gesuo in video conference image
Logo is stated corresponding to a channel image in the video conference image；
The logo adding method includes the following steps:
Obtain the display size of each channel image in video conference image；
Obtain the initial point position needed logo to be added in corresponding channel image, display content and logo size；
According to the display size of channel image corresponding to the logo, judge whether the logo exceeds corresponding channel figure
The indication range of picture；
If it was exceeded, the logo size is reduced, so that the logo is located in the indication range of corresponding channel image；
According to the logo size, display content and initial point position, the logo is added in corresponding channel image.
2. logo adding method according to claim 1, which is characterized in that obtaining needs logo to be added corresponding
Display content and logo size in channel image, include the following steps:
Obtain the font size for needing word content and text to display in logo to be added；
The text number of words in the word content is calculated, and calculates described according to the font size of the text number of words and the text
Target height and width.
3. logo adding method according to claim 1, which is characterized in that the display size of the channel image includes institute
The width of channel image is stated, the logo size includes the width of the logo, and the logo is in corresponding channel image
Initial point position include the logo starting point abscissa；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, includes the following steps:
The abscissa of the starting point of the logo is calculated plus the width after the width of the logo with corresponding channel image
Width differential, if the width differential is greater than 0, it is described need to logo to be added exceed the width of corresponding channel image
Spend range；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the width range of corresponding channel image, by be added of the need
Target width subtracts the width differential, the width of the logo after being reduced.
4. logo adding method according to any one of claim 1 to 3, which is characterized in that the channel image is shown
Show that size includes the height of the channel image, the logo size includes the height of the logo, and the logo is corresponding
Channel image in initial point position include the logo starting point ordinate；
The indication range for judging that logo to be added is needed whether to exceed corresponding channel image, includes the following steps:
The ordinate of the starting point of the logo is calculated plus the height after the height of the logo with corresponding channel image
Height difference, if the height difference is greater than 0, it is described need to logo to be added exceed the height of corresponding channel image
Spend range；
The diminution needs the size of logo to be added, includes the following steps:
If the need logo to be added exceeds the altitude range of corresponding channel image, by be added of the need
Target height subtracts the height difference, the height of the logo after being reduced.
5. logo adding method according to claim 1, which is characterized in that the acquisition need logo to be added pair
The initial point position in channel image, display content and the logo size answered, include the following steps:
All channel images in the video conference image are traversed, judge whether need to add platform in each channel image
Mark；
If it is, obtaining the initial point position needed logo to be added in corresponding channel image, display content and platform
Dimensioning.
6. a kind of video conference image generation method, which comprises the steps of:
According to the picture partitioning scheme of the resolution ratio of video conference image and each channel, determine every in the video conference image
The display size of a channel image；
The video image for receiving each channel of video conference will be each logical according to the display size of each channel image
The video image in road synthesizes video conference image；
Using logo adding method described in any one of claims 1 to 5, logo is added in the video conference image.
7. video conference image generation method according to claim 6, which is characterized in that the video by each channel
Image synthesizes video conference image, includes the following steps:
For each channel, compare the size of the video image received and the display size of channel image, judges the video
Whether image, which needs, scales；
If it is, by the video image zooming to the display size of corresponding channel image；
The video image in each channel is synthesized into video conference image.
8. a kind of video conference image generates system, which is characterized in that applied to video conference figure described in claim 6 or 7
Picture generation method, the system comprises:
Picture size determining module, for according to the resolution ratio of video conference image and the picture partitioning scheme in each channel, really
The display size of each channel image in the fixed video conference image；
Channel image synthesis module, the video image in each channel for receiving video conference, according to each channel image
The video image in each channel is synthesized video conference image by display size；
Logo adding module, for adding logo in the video conference image.
9. a kind of video conference image generating device characterized by comprising
Processor；
Memory, wherein being stored with the executable instruction of the processor；
Wherein, the processor is configured to carry out video council described in perform claim requirement 6 or 7 via the execution executable instruction
The step of discussing image generating method.
10. a kind of computer readable storage medium, for storing program, which is characterized in that described program is performed realization power
Benefit require 6 or 7 described in video conference image generation method the step of.
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