CN104092958B - Vision signal mask method, system and device - Google Patents
Vision signal mask method, system and device Download PDFInfo
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- CN104092958B CN104092958B CN201410311784.XA CN201410311784A CN104092958B CN 104092958 B CN104092958 B CN 104092958B CN 201410311784 A CN201410311784 A CN 201410311784A CN 104092958 B CN104092958 B CN 104092958B
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Abstract
The present invention discloses a kind of vision signal mask method, system and device, and its method includes step：Receive the video flowing of the signal source of access, the video flowing is converted into the first IP signals, the first IP signals are sent into the labeling operation terminal to one by network connection, and receive the mark track sets information that the labeling operation equipment is returned, wherein, terminal response user annotation operation generation mark track sets information when showing IP signal patterns based on the first IP signals；Read the first coordinate range and the second local coordinate range of the labeling operation terminal；The mark trace image of correspondence second coordinate range is drawn according to first coordinate range, second coordinate range, the mark track sets information；By the mark trace image with being exported after corresponding local IP signal patterns synthesis, the mark to the corresponding video of various types of signal sources is realized.
Description
Technical field
The present invention relates to video technique field, more particularly to a kind of vision signal mask method, system and device.
Background technology
Mark, is that one kind that people are commonly used in daily life is easy to others to understand and understand oneself signified or institute
The method for the things stated.Marking Function is similarly with the addition of in many applications of computer, such as Word, AutoCad, pdf are read
Read all to the addition of Postil Function in many softwares such as device.In addition, with the development of video technique, video technique extensively should
For fields such as radio and television, film, video monitoring, video conferences.So that people discuss object be also no longer limited to document,
Picture, but video, therefore, video labeling is also naturally for needed for people.
However, existing video labeling can only be labeled for the corresponding video of PC signal sources, that is to say, that can only be right
The video shown in the application of PC is labeled, and the species of signal source is diversified, for example, also including
Various types of signal sources such as Video, VGA, HDMI and ARGB/DRGB, therefore in the urgent need to one kind can be realized to various types of
The mode of the mark of the corresponding video of signal source of type.
The content of the invention
It is an object of the invention to provide a kind of vision signal mask method, system and device, it is possible to achieve to various
The mark of the corresponding video of signal source of type.
The purpose of the present invention is achieved through the following technical solutions：
A kind of vision signal mask method, comprises the following steps：
The video flowing of the signal source of access is received, the video flowing is converted into the first IP signals；
The first IP signals are sent into the labeling operation terminal to one by network connection, and receive the labeling operation
The mark track sets information that terminal is returned, wherein, the terminal based on the first IP signals when showing IP signal patterns
Respond the user annotation operation generation mark track sets information；
Read the first coordinate range and the second local coordinate range of the labeling operation terminal；
Correspondence institute is drawn according to first coordinate range, second coordinate range, the mark track sets information
State the mark trace image of the second coordinate range；
By the mark trace image with being exported after corresponding local IP signal patterns synthesis.
A kind of vision signal labeling system, including：
Signal receiving module, the video flowing of the signal source for receiving access；
Signal conversion module, for the video flowing to be converted into the first IP signals；
Signal dispatcher module, for the first IP signals to be sent to the labeling operation terminal to one by network connection,
And the mark track sets information that the labeling operation terminal is returned is received, wherein, the terminal is based on the first IP letters
Number display IP signal patterns when response user annotation operation generation it is described mark track sets information；
Information reading module, the first coordinate range and the second local coordinate range for the terminal；
Image Rendering module, for according to first coordinate range, second coordinate range, mark track sequence
Column information draws the mark trace image of correspondence second coordinate range；
Output module is synthesized, for being exported after synthesizing the mark trace image and corresponding local IP signal patterns.
A kind of vision signal annotation equipment, including tagging equipment, matrix switcher, route handoff equipment；
The matrix switcher includes first input port, the second input port, the first output port, the second output end
Mouthful, signal source accesses the first input port, and second output port accesses the tagging equipment, the tagging equipment
The display device that output port is accessed outside second input port, the access of the first output port；
The tagging equipment, the video flowing of the signal source for the matrix switcher to be accessed is converted into the first IP letters
Number, the first IP signals are sent into the labeling operation terminal to one by network connection, and receive the labeling operation terminal
The mark track sets information of return, reads the first coordinate range and the second local coordinate model of the labeling operation terminal
Enclose, correspondence described second is drawn according to first coordinate range, second coordinate range, the mark track sets information
The mark trace image of coordinate range, the mark trace image is synthesized with corresponding local IP signal patterns, will be closed
Image after is exported to second input port, wherein, the labeling operation terminal is aobvious based on the first IP signals
Response user annotation operation generation mark track sets information when showing IP signal patterns；
The route handoff equipment, the video flowing of the signal source for the matrix switcher to be accessed is defeated by described first
Inbound port is switched to second output port, and the image that the tagging equipment is exported to second input port is switched to
First output port.
According to the scheme of the invention described above, it is that the video flowing of the signal source of the access received first is converted into the first IP
Signal, then the first IP signals are sent into the labeling operation terminal to one by network connection, and receive the labeling operation terminal
The mark track sets information of return, the mark track sets information is labeling operation terminal aobvious based on the first IP signals
Response user annotation operation generation when showing IP signal patterns, and read the first coordinate range and sheet of the labeling operation terminal
Second coordinate range on ground, then painted based on first coordinate range, the second coordinate range and the mark track sets information
The mark trace image of system correspondence second coordinate range, finally by the mark trace image and corresponding local IP signals
Export, due to being that the video flowing of first signal source is converted into the first IP signals, then completed based on the first IP signals after image synthesis
Mark, and because the video flowing of various types of signal sources can be converted into IP signals, it is thereby achieved that to various types of
The mark of the corresponding video of signal source.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the vision signal mask method embodiment of the present invention；
Fig. 2 is the structural representation of the vision signal labeling system embodiment of the present invention；
Fig. 3 is the application schematic diagram of the vision signal annotation equipment embodiment of the present invention.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is described in further detail.It should be appreciated that embodiment described herein is only to explain the present invention,
Do not limit protection scope of the present invention.
In the following description, the embodiment first against the vision signal mask method of the present invention is illustrated, secondly right
Each embodiment of the vision signal labeling system of the present invention is illustrated, and finally the vision signal annotation equipment of the present invention is carried out
Explanation.
Shown in Figure 1, Fig. 1 is the schematic flow sheet of the vision signal mask method embodiment of the present invention.Such as Fig. 1 institutes
Show, the vision signal mask method of the present embodiment comprises the following steps：
Step S101：The video flowing of the signal source of access is received, the video flowing is converted into the first IP signals；
Signal source in the present embodiment can including PC, Video, VGA, HDMI and ARGB/DRGB etc. various types of letters
Number source, the corresponding video flowing of various types of signal sources can be converted into the first IP signals by existing mode, herein not
Give and repeating；
Video flowing is converted into the first IP signals, on the one hand obtains and shows beneficial to follow-up labeling operation terminal, it is another
The corresponding video flowing of various types of signal sources can also be labeled by aspect by unified mode, meanwhile, it can be based on
Real-time performance marks and shows the video after mark in real time in real time；
Step S102：The first IP signals are sent into the labeling operation terminal to one by network connection, and receive institute
The mark track sets information of labeling operation terminal return is stated, wherein, the terminal is showing IP based on the first IP signals
The user annotation operation generation mark track sets information is responded during signal pattern；
Labeling operation terminal in the present embodiment can be the human-computer interaction devices such as PC computers, tablet device；
User is when labeling operation terminal is labeled, and the labeling operation terminal can respond the labeling operation of user, and
The path that record user is labeled, based on path generation mark track sets information, path can be
Various figures or character that user draws；
Step S103：Read the first coordinate range and the second local coordinate range of the labeling operation terminal；
Wherein, the first coordinate range is consistent typically with the resolution ratio of labeling operation terminal, and the second coordinate range is usually
Pre-set according to actual needs, the first coordinate range, the second coordinate range are determined by two values of length and height mostly；
Step S104：Painted according to first coordinate range, second coordinate range, the mark track sets information
The mark trace image of system correspondence second coordinate range；
It is general that Coordinate Conversion coefficient is first determined according to the first coordinate range, the second coordinate range, further according to the Coordinate Conversion
Coefficient and mark track sets information draw the mark trace image of correspondence second coordinate range；
Step S105：By the mark trace image with being exported after corresponding local IP signal patterns synthesis；
Wherein, the local IP signal patterns of correspondence are the IP signal patterns with the second coordinate range, and the image after synthesis is
Video image with mark, can be exported in the form of video flowing, can be output to any display device, realize display mark in real time
Image after note, it is as needed, defeated after the synthesizing the mark trace image with corresponding local IP signal patterns of this step
Step can also be included by going out：The mark trace image is synthesized with corresponding local IP signal patterns, after synthesis
Image is converted to the 2nd IP signals, exports the 2nd IP signals, so can be for any display device connected in a network
Obtained and shown.
Accordingly, using the scheme of the embodiments of the present invention, it is first by the video flowing of the signal source of the access received
The first IP signals are converted into, then the first IP signals are sent into the labeling operation terminal to one by network connection, and reception should
The mark track sets information that labeling operation terminal is returned, the mark track sets information is labeling operation terminal based on described
Response user annotation operation generation when first IP signals show IP signal patterns, and read the first of the labeling operation terminal
Coordinate range and the second local coordinate range, then based on first coordinate range, the second coordinate range and the mark rail
Mark sequence information draws the mark trace image of correspondence second coordinate range, finally by the mark trace image with it is corresponding
Exported after local IP signal patterns synthesis, due to being that the video flowing of first signal source is converted into the first IP signals, then based on this
One IP signals complete mark, and because the video flowing of various types of signal sources can be converted into IP signals, it is thereby achieved that
The mark of video corresponding to various types of signal sources.
In wherein one embodiment, the mark track sets information is passed through when operation can be labeled including user
First position coordinate, it is described according to first coordinate range, second coordinate range, the mark track sets information
Drawing the mark trace image of correspondence second coordinate range includes step：According to first coordinate range, described second
Coordinate range determines Coordinate Conversion coefficient；The first position coordinate is converted to described in correspondence according to the Coordinate Conversion coefficient
The second place coordinate of first position coordinate；The mark of correspondence second coordinate range is drawn according to the second place coordinate
Trace image；
Wherein, user is labeled the first position coordinate passed through during operation, generally refer to user using mouse or
When felt pen (can also be the finger of user) is labeled, the first position coordinate that mouse or touch point are passed through, first
The position coordinates of each point of process can be included by putting coordinate；
Coordinate Conversion coefficient can include the first Coordinate Conversion coefficient of correspondence length and the second coordinate of respective heights turns
Coefficient is changed, length of the first Coordinate Conversion coefficient in the first coordinate range and the second coordinate range determines that the second coordinate turns
Height of the coefficient in the first coordinate range and the second coordinate range is changed to determine, if for example, the first coordinate range be 1980 ×
1080 (in units of pixels, as follows), the second coordinate range is 1024 × 768, then the first Coordinate Conversion coefficient is 1024/
1980, it is 768/1080 equal to 0.517, second Coordinate Conversion coefficient, equal to 0.711, if first position coordinate is (100,50),
Second place coordinate after then the first position coordinate is changed according to the Coordinate Conversion coefficient is (52,36), and this second
Position coordinates includes simple approximate calculation in computing, can be by the first position coordinate of each point of the first coordinate range of correspondence
The second place coordinate of corresponding second coordinate range is all converted into, and draws the mark of correspondence second coordinate range accordingly
Trace image, but the determination mode of Coordinate Conversion coefficient is also not limited to this, can be sat according to the first coordinate range and second
Mark scope and comprehensively determine a Coordinate Conversion coefficient (for example being determined according to 0.5 power of area ratio), but this determination mode
It is good not as drawing effect when determining the first Coordinate Conversion coefficient, the second Coordinate Conversion coefficient respectively according to length and height, may
Anamorphose can be caused；
, can be with the mark trace image of equal proportion, with user in labeling operation terminal using the scheme in the present embodiment
The mark of drafting is consistent.
In addition, it is contemplated that rendering algorithm it is inconsistent also result in it is locally inconsistent with the mark drawn in labeling operation terminal
Situation, therefore, in wherein one embodiment, the vision signal mask method of the embodiment of the present invention, in above-described embodiment
On the basis of, step can also be included：The rendering algorithm identification information that the labeling operation terminal is sent is received, and it is described according to institute
Stating the first coordinate range, second coordinate range, mark track sets information drafting mark trace image can include
Step：According to first coordinate range, second coordinate range, the mark track sets information and according to rendering algorithm
Rendering algorithm corresponding to identification information draws mark trace image, wherein, the rendering algorithm mark letter that labeling operation terminal is sent
Breath is that the algorithm of the mark with being drawn in labeling operation terminal is corresponding, therefore, using the scheme of the present embodiment, it is ensured that
Locally with using identical rendering algorithm in labeling operation terminal, improving the mark locally with being drawn in labeling operation terminal
The uniformity of note, the mark that also can more embody user draws intention.
According to the vision signal mask method of the invention described above, the present invention also provides a kind of vision signal labeling system, with
The embodiment of the lower just vision signal labeling system of the present invention is described in detail.The vision signal of the present invention is shown in Fig. 2
The structural representation of the embodiment of labeling system.For convenience of description, part related to the present invention is merely illustrated in fig. 2.
As shown in Fig. 2 the vision signal labeling system in the present embodiment, including signal receiving module 201, signal modulus of conversion
Block 202, signal dispatcher module 203, information reading module 204, Image Rendering module 205, synthesis output module 206, wherein：
Signal receiving module 201, the video flowing of the signal source for receiving access；
Signal conversion module 202, for the video flowing to be converted into the first IP signals；
Signal dispatcher module 203, for the first IP signals to be sent to the labeling operation end to one by network connection
End, and the mark track sets information that the labeling operation terminal is returned is received, wherein, the terminal is based on the first IP
Response user annotation operation generation mark track sets information when signal shows IP signal patterns；
Information reading module 204, the first coordinate range and the second local coordinate range for the terminal；
Image Rendering module 205, for according to first coordinate range, second coordinate range, the mark rail
Mark sequence information draws the mark trace image of correspondence second coordinate range；
Output module 206 is synthesized, for the mark trace image is defeated with after corresponding local IP signal patterns synthesis
Go out.
In wherein one embodiment, above-mentioned mark track sets information is passed through when operation can be labeled including user
First position coordinate；Above-mentioned Image Rendering module 205 can be according to first coordinate range, second coordinate range
Coordinate Conversion coefficient is determined, the first position coordinate is converted into the correspondence first position according to the Coordinate Conversion coefficient
The second place coordinate of coordinate, the mark trajectory diagram of correspondence second coordinate range is drawn according to the second place coordinate
Picture.
In wherein one embodiment, above-mentioned signal dispatcher module 203 can be also used for receiving the labeling operation end
Hold the rendering algorithm identification information sent；Above-mentioned Image Rendering module 205 can be according to first coordinate range, described
Two coordinate ranges, the mark track sets information simultaneously draw mark rail according to rendering algorithm corresponding to rendering algorithm identification information
Mark image.
In wherein one embodiment, above-mentioned synthesis output module 206 can by the mark trace image with it is corresponding
Local IP signal patterns are synthesized, and the image after synthesis is converted into the 2nd IP signals, export the 2nd IP signals.
The vision signal labeling system of the present invention and the vision signal mask method of the present invention are corresponded, in above-mentioned video
The technical characteristic and its advantage that the embodiment of signal mask method is illustrated are applied to the implementation of vision signal labeling system
In example, hereby give notice that.
In addition, according to the vision signal mask method of the invention described above of the invention described above, the present invention also provides one kind and regarded
Frequency signal annotation equipment, just the embodiment of the vision signal annotation equipment of the present invention is described in detail below.Shown in Fig. 3
The structural representation of the embodiment of the vision signal annotation equipment of the present invention.For convenience of description, merely illustrate in figure 3 and this
Invent related part.
As shown in figure 3, vision signal annotation equipment includes tagging equipment 302, matrix switcher 301, road in the present embodiment
By switching equipment 303；
When vision signal annotation equipment in the present embodiment comes into operation, tagging equipment 301, matrix switcher 302, road
Network is respectively connecting to by switching equipment 302, then can be coordinated with one by the labeling operation terminal of network connection and realize signal
The corresponding video flowing in source is labeled；
Wherein, matrix switcher 301 includes first input port IN1, the second input port IN2, the first output port
OUT1, the second output port OUT2, signal source access first input port IN1, the second output port OUT2 access tagging equipment
302, the display that the output port of tagging equipment 302 is accessed outside the second input port IN2, first input port IN1 accesses is set
It is standby；
Tagging equipment 302, the video flowing of the signal source for matrix switcher 301 to be accessed is converted into the first IP signals,
The first IP signals are sent into the labeling operation terminal 304 to one by network connection, and receive labeling operation terminal 304 and are returned
The mark track sets information returned, reads the first coordinate range and the second local coordinate range of labeling operation terminal 304, root
Correspondence second coordinate is drawn according to first coordinate range, second coordinate range, the mark track sets information
The mark trace image of scope, the mark trace image is synthesized with corresponding local IP signal patterns, after synthesis
Image export to second input port, wherein, labeling operation terminal 304 based on the first IP signals show IP letter
Response user annotation operation generation mark track sets information during number image；
Route handoff equipment 303, for the video flowing of signal source that accesses matrix switcher 301 by first input port
IN is switched to the second output port OUT2, and the image that tagging equipment 302 is exported to the second input port IN2 is switched into
One output port OUT1.
In wherein one embodiment, mouse when above-mentioned mark track sets information can be labeled operation including user
Each first position coordinate passed through is marked, tagging equipment 302 can be true according to first coordinate range, second coordinate range
Position fixing conversion coefficient, is converted to the correspondence first position according to the Coordinate Conversion coefficient by the first position coordinate and sits
Target second place coordinate, the mark trace image of correspondence second coordinate range is drawn according to the second place coordinate.
Tagging equipment 302 can receive the rendering algorithm mark that the labeling operation terminal is sent in wherein one embodiment
Know information, calculate according to first coordinate range, second coordinate range, the mark track sets information and according to drawing
Rendering algorithm corresponding to method identification information draws mark trace image.
It should be noted that the vision signal annotation equipment and the vision signal mark of the embodiment of the present invention of the embodiment of the present invention
The technical characteristic of injecting method is consistent with implementation, will not be described here.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of vision signal mask method, it is characterised in that comprise the following steps：
The video flowing of the signal source of access is received, the video flowing is converted into the first IP signals, wherein, IP signals refer to internet
Protocol signal；
The first IP signals are sent into the labeling operation terminal to one by network connection, and receive the labeling operation terminal
The mark track sets information of return, wherein, the terminal is responded when showing IP signal patterns based on the first IP signals
The user annotation operation generation mark track sets information；
The first coordinate range and the second local coordinate range of the labeling operation terminal are read, wherein, first coordinate
Scope is consistent with the resolution ratio of labeling operation terminal, and second coordinate range is pre-set；
Correspondence described the is drawn according to first coordinate range, second coordinate range, the mark track sets information
The mark trace image of two coordinate ranges；
By the mark trace image with being exported after corresponding local IP signal patterns synthesis；
Wherein, the first position coordinate passed through when the mark track sets information is labeled operation including user；
Correspondence described the is drawn according to first coordinate range, second coordinate range, the mark track sets information
The mark trace image of two coordinate ranges includes step：
Coordinate Conversion coefficient is determined according to first coordinate range, second coordinate range；
The first position coordinate is converted to the second of the correspondence first position coordinate according to the Coordinate Conversion coefficient
Put coordinate；
The mark trace image of correspondence second coordinate range is drawn according to the second place coordinate.
2. vision signal mask method according to claim 1, it is characterised in that：
Also include step：Receive the rendering algorithm identification information that the labeling operation terminal is sent；
It is described that mark rail is drawn according to first coordinate range, second coordinate range, the mark track sets information
Mark image includes step：According to first coordinate range, second coordinate range, the mark track sets information and press
Mark trace image is drawn according to rendering algorithm corresponding to rendering algorithm identification information.
3. vision signal mask method according to claim 1, it is characterised in that by the mark trace image with it is corresponding
Output includes step after local IP signal patterns synthesis：
The mark trace image is synthesized with corresponding local IP signal patterns；
Image after synthesis is converted into the 2nd IP signals；
Export the 2nd IP signals.
4. a kind of vision signal labeling system, it is characterised in that including：
Signal receiving module, the video flowing of the signal source for receiving access；
Signal conversion module, for the video flowing to be converted into the first IP signals, wherein, IP signals refer to Internet protocol letter
Number；
Signal dispatcher module, for the first IP signals to be sent to the labeling operation terminal to one by network connection, and connects
The mark track sets information that the labeling operation terminal is returned is received, wherein, the terminal is aobvious based on the first IP signals
Response user annotation operation generation mark track sets information when showing IP signal patterns；
Information reading module, for the first coordinate range and the second local coordinate range of the terminal, wherein, described first
Coordinate range is consistent with the resolution ratio of labeling operation terminal, and second coordinate range is pre-set；
Image Rendering module, for being believed according to first coordinate range, second coordinate range, the mark track sets
Breath draws the mark trace image of correspondence second coordinate range；
Output module is synthesized, for being exported after synthesizing the mark trace image and corresponding local IP signal patterns；
Wherein, the first position coordinate passed through when the mark track sets information is labeled operation including user；
Described image drafting module determines Coordinate Conversion coefficient according to first coordinate range, second coordinate range, will
The first position coordinate is converted to the second place coordinate of the correspondence first position coordinate according to the Coordinate Conversion coefficient,
The mark trace image of correspondence second coordinate range is drawn according to the second place coordinate.
5. vision signal labeling system according to claim 4, it is characterised in that：
Described information transceiver module is additionally operable to receive the rendering algorithm identification information that the labeling operation terminal is sent；
Described image drafting module is believed according to first coordinate range, second coordinate range, the mark track sets
Cease and draw mark trace image according to rendering algorithm corresponding to rendering algorithm identification information.
6. vision signal labeling system according to claim 4, it is characterised in that：
The synthesis output module is synthesized the mark trace image with corresponding local IP signal patterns, after synthesis
Image be converted to the 2nd IP signals, export the 2nd IP signals.
7. a kind of vision signal annotation equipment, it is characterised in that including tagging equipment, matrix switcher, route handoff equipment；
The matrix switcher includes first input port, the second input port, the first output port, the second output port, letter
The first input port is accessed in number source, and second output port accesses the tagging equipment, the output of the tagging equipment
The display device that port is accessed outside second input port, the access of the first output port；
The tagging equipment, the video flowing of the signal source for the matrix switcher to be accessed is converted into the first IP signals, will
The first IP signals send to one the labeling operation terminal by network connection, and receive what the labeling operation terminal was returned
Track sets information is marked, the first coordinate range and the second local coordinate range of the labeling operation terminal is read, according to
First coordinate range, second coordinate range, the mark track sets information draw correspondence the second coordinate model
The mark trace image enclosed, the mark trace image is synthesized with corresponding local IP signal patterns, after synthesis
Image is exported to second input port, wherein, the labeling operation terminal is showing IP letters based on the first IP signals
Response user annotation operation generation mark track sets information during number image, wherein, IP signals refer to Internet protocol signal,
First coordinate range is consistent with the resolution ratio of labeling operation terminal, and second coordinate range is pre-set；
The route handoff equipment, for the video flowing of signal source that accesses the matrix switcher by the first input end
Mouth is switched to second output port, the image that the tagging equipment is exported to second input port is switched to described
First output port；
Wherein, each first position coordinate that mouse passes through when the mark track sets information is labeled operation including user,
The tagging equipment determines Coordinate Conversion coefficient according to first coordinate range, second coordinate range, by described first
Position coordinates is converted to the second place coordinate of the correspondence first position coordinate according to the Coordinate Conversion coefficient, according to described
Second place coordinate draws the mark trace image of correspondence second coordinate range.
8. vision signal annotation equipment according to claim 7, it is characterised in that：
The tagging equipment receives the rendering algorithm identification information that the labeling operation terminal is sent, according to the first coordinate model
Enclose, second coordinate range, the mark track sets information and according to rendering algorithm corresponding to rendering algorithm identification information
Draw mark trace image.
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| CN108256004A (en) * | 2017-12-29 | 2018-07-06 | 北京淳中科技股份有限公司 | Mark vector control method, device, signal handling equipment and the system of signal |
| CN112417209A (en) * | 2020-11-20 | 2021-02-26 | 青岛以萨数据技术有限公司 | Real-time video annotation method, system, terminal and medium based on browser |
| CN112565844B (en) * | 2020-12-04 | 2023-05-12 | 维沃移动通信有限公司 | Video communication method and device and electronic equipment |
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| US8068180B2 (en) * | 2006-03-30 | 2011-11-29 | Pioneer Corporation | AV processor and program |
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| CN101763234A (en) * | 2009-12-29 | 2010-06-30 | 广东威创视讯科技股份有限公司 | Method and device for simulating various screen resolutions |
| CN101930779A (en) * | 2010-07-29 | 2010-12-29 | 华为终端有限公司 | Video commenting method and video player |
| CN102316276A (en) * | 2011-09-26 | 2012-01-11 | 成都索贝数码科技股份有限公司 | Signal switching matrix system |
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Address after: Kezhu road high tech Industrial Development Zone, Guangzhou city of Guangdong Province, No. 233 510670 Patentee after: Wei Chong group Limited by Share Ltd Address before: 510670 Guangdong city of Guangzhou province Kezhu Guangzhou high tech Industrial Development Zone, Road No. 233 Patentee before: Guangdong Weichuangshixun Science and Technology Co., Ltd. |