CN101753473B - Method for instantaneously transmitting interactive image and system using method - Google Patents
Method for instantaneously transmitting interactive image and system using method Download PDFInfo
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- CN101753473B CN101753473B CN2008101839155A CN200810183915A CN101753473B CN 101753473 B CN101753473 B CN 101753473B CN 2008101839155 A CN2008101839155 A CN 2008101839155A CN 200810183915 A CN200810183915 A CN 200810183915A CN 101753473 B CN101753473 B CN 101753473B
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Abstract
The invention provides a method for instantaneously transmitting an interactive image and a system using the method. The method comprise the following steps: A: a main image is transmitter from a first computer to a second computer, which leads the main image to be presented at the first computer and the second computer at the same time; and B: one of the first computer and the second computer draws a tagged image at the main image, and instantaneously transmits the tagged image to the other side, wherein, in the steps of the instantaneous transmission of the tagged image, the method also comprises: B1: the track information of the tagged image is extracted at specific frequency, wherein, the tagged image is virtually formed by a plurality of track points; B2: the track points which are too close are deleted according to a difference degree between any two adjacent track points, in order to decrease the extracted tract information; and B3: the tract information after deletion is compressed, and is transmitted to the opposite side through the network of low bandwidth. The invention can instantaneously transmits marked symbols or doodles at the shared image under the limited bandwidth.
Description
Technical field
The present invention relates to a kind of method of instantaneously transmitting interactive image and use the system of this method, relate in particular to a kind of under limited frequency range, can reduce operand instantaneously transmitting interactive image method and use the system of this method.
Background technology
Along with the progress of the network technology, it no longer has been problem that long distance is linked up.Yet the greatest problem of Network Transmission is the frequency range of the construction of line, in other words, transmits picture and good transmission quality clearly if go for, and just enough network bandwidths must be arranged.Generally speaking, the lifting expense of network bandwidth is high, and therefore most Network Transmission still relies on good package and compress technique.
Sharing immediately of photo is one of benefit of present long distance communication; And exist real-time signal miscellaneous transmission now on the market and use (similarly being application software such as MSN, Yahoo messenger); Therefore share photos the time; Also can be directed against the photo of being shared, propose each other to discuss.Yet, if communicating pair want when the photo of being shared carries out the discussion of thin portion content, its most important key be to confirm earlier communicating pair the thin portion content that will discuss for a part.So that reach this purpose, usually can be with the instant mode that produces a marking image or scribble on the photo of sharing, and then after the photo that will share sends the other side to, just begin to discuss.
Please refer to Fig. 1, it is an image or photo that the expression communicating pair is being discussed jointly.Shown in figure, this photo comprises a master image 11, and this master image comprises a house and the doggie in the snowfield.At this moment, if wherein a side will be to the specific part in this photo 1, when for example the doggie on photo right side was discussed, this moment, the mode of most convenient was to utilize a scribble symbol 12 that the doggie on photo right side is marked.Only when a side will on sharing picture or photo, add scribble symbol or a sign picture as the time, also need send the photo of whole modification to the other side, just can make the other side understand the part that it indicates.But, amended photo with revise before photo compare, its difference only is to scribble or the appearance of sign picture picture, does not then change fully about the part of master image.Therefore, be merely part on image or the photo and changed the image once that just retransfers and not only waste frequency range, and the sensation of the instant messaging when having lacked talk.
Summary of the invention
In order to overcome above-mentioned disappearance, the present invention is special propose a kind of can be under limited frequency range, can be on the image of sharing the system and method for instantaneous transmission label symbol or scribble.
Main purpose of the present invention is under limited frequency range, a kind of method of instantaneous transmission image is provided and uses the computer system of this method.
Another object of the present invention is when making the instantaneous transmission image, a kind of method of the instantaneous transmission image that reduces the processor calculating amount is provided and uses the computer system of this method.Method of the present invention is the Network Transmission that is applied in low frequency range, so that can share this image immediately between two computers, wherein this image comprises a master image and a marking image, and marking image is by two wherein arbitrary generations of computer.Method of the present invention may further comprise the steps:
A: transmit this master image by this first computer to second computer, so that this master image is presented on this first and second computer simultaneously; And
B: one of them draws this marking image on this master image by this first computer and this second computer, and gives the other side with this marking image instantaneous transmission, and wherein, in the step of the instantaneous transmission of this marking image, this method also comprises:
B1: with the trace information of this marking image of CF extraction, wherein this marking image essence is to be made up of a plurality of tracing point;
B2: according to the difference degree between any two adjacent track points, delete too close tracing point, to reduce the trace information that is extracted; And
B3: compress the trace information after deleting, and give the other side through the Network Transmission of this low frequency range;
C: receive a side of the trace information after this compression is deleted, also the trace information that is received is decompressed, with this marking image of reduction on this master image.
In preferred embodiment, this CF is 15 trace informations of per second.Trace information comprises a coordinate information, a trajectory shape information or a colouring information.The trace information of marking image is to extract from an operating system, for example Microsoft's Window (Windows) operating system.Further, utilize the operation of computer cursor controller (for example mouse), can make computer operating system detect its mobile message, and obtain coordinate information whereby.
In one embodiment, difference degree essence is the coordinate information according to any two adjacent tracing points, to obtain this difference degree, deletes too close tracing point whereby, and then reduces trace information.In the present embodiment, can be according to the coordinate information of wantonly 2 adjacent track points, to obtain a slope; Calculate the slope of all adjacent track points whereby, and according to wantonly two adjacent slopes, to obtain this difference degree; Delete too close tracing point, reduce trace information whereby.
In a preferred embodiment, step B3 of the present invention also can comprise step B31: rearrange the trace information after deleting, so that the coordinate information of each tracing point and characteristic information convert the manifold classification data to, and the trace information after deleting with further compression.In addition; Except starting point; The coordinate information of wantonly 2 adjacent track points is convertible into variable quantity, also can further reduce required canned data whereby, and therefore step B3 of the present invention also can comprise step B32: with the trace information of the trace information of last tracing point and next tracing point of trace information variable quantity storage between one tracing point of back; Trace information after compression is deleted whereby is to reduce required data quantity transmitted.
In another embodiment, the present invention provides a kind of instantaneous transmission one marking image in the method shared on the image, and this method may further comprise the steps:
A: provide and share image, it is simultaneously displayed on one first computer and one second computer;
B: form a marking image by first computer on the image sharing, and give second computer with this marking image instantaneous transmission, wherein, in the instantaneous transmission step of this marking image, this method also comprises:
B1 is with the trace information of a frequency each tracing point of this marking image that extraction is constituted;
B2 carries out data reforming and compression with the trace information that is extracted; And
Second computer is given in the trace information instantaneous transmission that B3 will compress after reforming;
C: this second computer decompresses the trace information that is received, with this marking image of reduction on this master image.
In addition, the present invention also provides a kind of instantaneous transmission system of interactive image, utilizes method of the present invention to make and shares an interactive image between the two computers immediately.Instantaneous transmission of the present invention system comprises a transmitting terminal computer and a receiving end computer, and wherein this transmitting terminal computer comprises a graphics module and first image processing module.Graphics module can make a marking image be formed on this master image.First image processing module extracts and compresses the trace information that constitutes marking image, gives receiving end computer with the trace information after will compressing through the network instantaneous transmission of this low frequency range.The preferably, first image processing module is the trace information that extracts this marking image with the frequency of 15 of per seconds.
Receiving end computer comprises second image processing module.Second image processing module decompresses the trace information that is received, with this marking image of reduction on master image.
In a preferred embodiment, the transmitting terminal computer also comprises a computer cursor controller, and graphics module is on master image, to form marking image through this computer cursor controller.In the present embodiment, trace information comprises a coordinate information and a characteristic information of each tracing point that constitutes this marking image.Coordinate information is the mobile message that the computer cursor controller is detected in computer operating system; Just utilize the operation of computer cursor controller (for example mouse); Can make computer operating system detect its mobile message, and obtain coordinate information whereby.Characteristic information be meant this marking image color, thickness and shape form one of them.
In another preferred embodiment, first image processing module comprises that also one reduces sampling (downsampling) module, in order to delete too close tracing point.In other words, the step of the present invention's minimizing sampling module capable of using trace information of carrying out extracting like above-mentioned minimizing.
In addition, this first image processing module also can further comprise a data reforming module, converts the manifold classification data in order to coordinate information and characteristic information with each tracing point, the trace information after deleting with further compression.
This first image processing module also comprises a compression module; Trace information in order to next tracing point of trace information variable quantity storage between the trace information of the trace information that utilizes last tracing point and this last tracing point and back one tracing point; Trace information after deleting with compression whereby is to reduce required data quantity transmitted.
Second image processing module also comprises an image synthesizer (image compositor), and whereby in receiving end computer, marking image promptly is shown on the master image.Therefore, all can show image simultaneously at transmitting terminal computer and receiving end computer, and reach the effect of the instantaneous transmission of interactive image with master image and marking image.
Spy of the present invention can be under limited frequency range, can be on the image of sharing instantaneous transmission label symbol or scribble.
Description of drawings
Fig. 1 shows photo and the scribble thereof that will share.
Fig. 2 and Fig. 3 are according to one embodiment of the invention, show the instantaneous transmission system diagram and the block diagram thereof of interactive image of the present invention respectively.
Fig. 4 and Fig. 5 are according to first image processing module of Fig. 3 and second image processing module, show its block diagram respectively.
Fig. 6 is according to one embodiment of the invention, shows the method flow diagram of instantaneously transmitting interactive image.
Fig. 7 shows that coordinate and characteristic with each point convert the manifold classification data to.
Fig. 8 is according to another embodiment of the present invention, shows the method flow diagram of instantaneously transmitting interactive image.
Wherein, description of reference numerals is following:
1, interactive image 2, instantaneous transmission
11, master image 12, marking image
21,22, computer 25, vernier
211, graphics module 210,220, processor
212,222, image processing module 2121, reduce module
2122, data reforming module 2123, compression module
221, image synthesis unit
Embodiment
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, the hereinafter spy enumerates specific embodiment of the present invention, and combines appended accompanying drawing, elaborates as follows.
The present invention provides a kind of instantaneous transmission system of interactive image, and it can share an interactive image 1 (master image 11 and marking image 12 for example shown in Figure 1) immediately through the network (for example frequency range is the network that is lower than 100kbps) of a low frequency range between two computers.In detail, please be earlier with reference to figure 2 and Fig. 3, instantaneous transmission of the present invention system 2 comprises a transmitting terminal computer 21 and a receiving end computer 22, wherein this transmitting terminal computer 21 is being shared an image with this receiving end computer 22.This transmitting terminal computer 21 comprises a graphics module 211 and first image processing module 212.Graphics module 211 can make marking image be formed on (master image 11 and marking image 12 for example shown in Figure 1 are below mentioned master image with all and marking image all is designated as label 11 and 12 respectively) on the master image of the image of being shared.First image processing module 212 is given receiving end computer 22 with the trace information after will compressing through the network instantaneous transmission of low frequency range in order to extract and to compress the trace information that constitutes this marking image 12.The preferably, first image processing module 212 is the trace informations that extract this marking image with the frequency of 15 of per seconds.Marking image essence is to be made up of a plurality of tracing point.Because eye has the persistence of vision; Therefore under the renewal frequency of about 15 images of per second (15 frames/per second); The track of the marking image of institute's instantaneous transmission this moment also has the sensation of instant drafting and can not produce discontinuous effect; So in preferred embodiment, for this CF is the trace information that extracts frequency this marking image of extraction (tracing point) of 15 with per second, yet this is not to be in order to restriction the present invention.
In the instantaneous transmission of the present invention system 2, transmitting terminal computer 21 essence comprise a first processor 210, in order to carry out an application program, to carry out the aforementioned drawing and the image processing function of this graphics module 211 and first image processing module 212 respectively.
Receiving end computer 22 also comprises second image processing module 222, and this second image processing module 222 is that the trace information that is received is decompressed, to form the marking image 12 that is transmitted on this transmitting terminal computer in reduction on the master image 11.Receiving end computer 22 in fact also comprises one second processor 220 and carries out an application program, to reach the image decompressor function of this second image processing module.
In a preferred embodiment, transmitting terminal computer 21 also comprises a computer cursor controller 25 (for example similar input unit such as mouse, identification clipboard, identification lettering pen or drawing board).Graphics module 211 is through this computer cursor controller 25 11 formation marking images 12 on master image.In the present embodiment, trace information comprises a coordinate information and a characteristic information of each tracing point that constitutes this marking image 12.Coordinate information is the mobile message that computer cursor controller 25 is detected in computer operating system (for example Windows operating system); Just utilize the operation of computer cursor controller 25; Can make computer operating system detect its mobile message, and obtain coordinate information whereby.Characteristic information then be meant marking image 25 color, thickness and shape form one of them.
Please refer to Fig. 4, in another preferred embodiment, first image processing module 212 comprises that also one reduces sampling (down sampling) module 2121, in order to delete too close tracing point.About this function, below will in method flow, further specify.
In addition, this first image processing module 212 also can further comprise a data reforming module 2122, converts the manifold classification data in order to coordinate information and characteristic information with each tracing point, further to arrange the trace information after deleting again.About this function, also will in following method flow, further specify.
First image processing module 212 also comprises a compression module 2123.Compression module 2123 utilizes the trace information of next tracing point of trace information variable quantity storage between the trace information of trace information and this last tracing point and back one tracing point of last tracing point; Trace information after deleting with compression whereby is to reduce required data quantity transmitted.In this embodiment,, also will in following method flow, further specify about this function.
As shown in Figure 5, second image processing module 222 also comprises an image synthesizer (imagecompositor) 2221, whereby in receiving end computer 22, marking image 12 is synthesized on the master image of sharing 11.Therefore, all can show master image 11 and marking image 12 simultaneously, and reach the purpose of the instantaneous transmission of interactive image at transmitting terminal computer 21 and receiving end computer 22.
The present invention also discloses a kind of method of instantaneously transmitting interactive image, and it is applied in the Network Transmission of a low frequency range, so that share this interactive image immediately between one first computer and one second computer.Interactive image is also quoted the label of Fig. 1, and just interactive image 1 comprises a master image 11 and a marking image 12, and this marking image 12 is that first or second computer is wherein arbitrary produces by this.In detail, the method for instantaneous transmission interactive image of the present invention above-mentioned system capable of using is to reach all mechanism, for example for the purpose of simplifying the description; At this embodiment is as above-mentioned transmitting terminal computer 21 with first computer; Just marking image 12 is to be produced by first computer, and second computer can be above-mentioned receiving end computer 22, though be to be referred to as with first and second computer therefore; But for the purpose of simplifying the description, still quote identical label 21 and 22.Please refer to Fig. 6, method of the present invention may further comprise the steps:
Step S1: transmit master image 11 by first computer 21 to second computer 22, so that master image 11 is presented on first and second computer 21,22 simultaneously.For example, first and second image processing module 212,222 of first and second computer 21,22 can be reached this function.
Step S2: one of them draws this marking image 12 on master image 11 by first computer 21 and second computer 22, and gives the other side with these marking image 12 instantaneous transmission.At this, for the purpose of simplifying the description, first computer 21 is promptly as the transmitting terminal computer, and so this is not that arbitrary computer all can be used as the transmitting terminal computer in order to restriction the present invention.In the step of the instantaneous transmission of marking image 12, method of the present invention also comprises:
Step S21: the trace information of record marking image 12, wherein these marking image 12 essence are to be made up of a plurality of tracing point.Furthermore, marking image 12 essence are to be made up of continuous a plurality of tracing point.This step possibly essence be to be automatically performed by operating system; For example, operating system writes down slider position automatically, obtains the trace information of marking image 12 whereby.
Step S22: extract the trace information that is write down with a CF.In preferred embodiment, this CF is 15 trace informations of per second.As stated; Because eye has the persistence of vision; Under the extraction frequency of 15 images of per second (15 frames/per second), this moment, the image of institute's instant playback had discontinuous sensation hardly, so in preferred embodiment; For this CF is the trace information that extracts frequency this marking image of extraction (tracing point) of 15 with per second, yet this is not to be in order to restriction the present invention.
Trace information then comprises a coordinate information, a trajectory shape information or a colouring information.The trace information of marking image 12 can extract from an operating system, for example Microsoft's Window (Windows) operating system.Further, utilize the operation of computer cursor controller (for example above-mentioned mouse 25), can make computer operating system detect its mobile message (for example slider position), and obtain coordinate information whereby.Trajectory shape information then can comprise the thickness of track.Because operating system can provide many information about the computer cursor controller; Even up to the information of 80 of per seconds; But as stated; The adaptation frequency of eye is sufficient at 15 images of per second, so the present invention utilizes CF to extract, and just earlier all trace informations is deleted 15 of per seconds.
In addition, other characteristic informations such as time of the thickness of each tracing point or appearance also can be obtained by the information of relevant calculation machine cursor controller 25 (for example mouse) in the operating system.For example, according to temporal information, which platform computer the present invention can judge by begins scribble earlier, according to time sequencing, makes the scribble of up-to-date picture be presented at the superiors.
Next be step S23: according to the difference degree between any two adjacent track points, delete too close tracing point, to reduce the trace information that is extracted.For example, as stated, the minimizing of the present invention's first image processing module 212 capable of using sampling (down sampling) module 2121 is in order to delete too close tracing point.
In one embodiment, difference degree essence is the coordinate information according to any two adjacent tracing points, to obtain this difference degree, deletes too close tracing point whereby, and then reduces trace information.In the present embodiment and since each form the coordinate information of each tracing point of marking image 12 can be by knowing in the operating system, therefore can be according to the coordinate information of wantonly 2 adjacent track points; To obtain a slope; Calculate the slope of all adjacent track points whereby, and according to wantonly two adjacent slopes, to obtain this difference degree; Delete too close tracing point, reduce trace information whereby.
Be step S24 again: compress the trace information after deleting, and give the other side through the Network Transmission of this low frequency range.
Please refer to Fig. 6; In a preferred embodiment; For better transmission usefulness can be arranged; Step S24 of the present invention also can comprise step S241: rearrange the trace information after deleting, so that the coordinate information of each tracing point and characteristic information convert the manifold classification data to, further to arrange the trace information after deleting again.For example, the data reforming module 2122 of the present invention's first image processing module 212 capable of using converts the manifold classification data in order to coordinate information and characteristic information with each tracing point as stated, further to arrange the trace information after deleting again.
In order to specify step S241, ask the example of elder generation with reference to figure 7.The coordinate information that forms each tracing point of marking image 12 can be defined as X, Y, and characteristic information may be defined as Z.Shown in step S71, the 1st tracing point promptly be denoted as (X1, Y1, Z1).If directly transmit this information, then possibly need to transmit all trace informations of very many tracing points.Yet shown in step S72, if with the classification of each tracing point, just to be divided into one type, Y be that one type and Z are one type to X, during the transmission locus data, then only need transmit three types trace information, so can reduce data amount transmitted.
In addition; Except track initial point, the coordinate information of wantonly 2 adjacent track points is convertible into variable quantity, also can further reduce required canned data whereby; Therefore step S24 of the present invention (as shown in Figure 6) further comprises the data compression step of step S242; That is, compress the trace information after deleting whereby, to reduce required data quantity transmitted with the trace information that the trace information and the trace information variable quantity between one tracing point of back of last tracing point are stored next tracing point.For example, first image processing module 212 also comprises a compression module 2123.Compression module 2123 utilizes the trace information of next tracing point of trace information variable quantity storage between the trace information of trace information and this last tracing point and back one tracing point of last tracing point; Trace information after deleting with compression whereby is to reduce required data quantity transmitted.
In detail; The 2nd central tracing point position coordinates of continuous a plurality of tracing points that forms marking image 12 is actually by the position coordinates of the 1st tracing point adds its variable quantity (from the 1st o'clock to the 2nd variable quantity), and the 3rd tracing point is actually by the position coordinates of the 2nd tracing point and adds its variable quantity (from the variable quantity of the 2nd tracing point to the 3 tracing points) ... Until last tracing point.Thus, clearly the coordinate information after the 2nd tracing point only must be stored the 1st the coordinate position and the variable quantity of follow-up each point thereof.Therefore, can further reduce required data quantity transmitted.Shown in the step S73 of Fig. 7, the trace information after the classification is remaining three types information only, and various information only need be put down in writing variable quantity R, R ' except starting point.
Please refer to Fig. 8, in another embodiment, the present invention provides a kind of instantaneous transmission one marking image in the method shared on the image, and this method may further comprise the steps:
Step S81: provide and share image, it is simultaneously displayed on one first computer and one second computer.
Step S82: form a marking image by first computer on the image sharing, and give second computer, wherein, also comprise step in the instantaneous transmission step of this marking image with this marking image instantaneous transmission.
Step S821: with the trace information of a frequency each tracing point of this marking image that extraction is constituted.
Step S822: the trace information that is extracted is carried out data reforming and compression.
Step S823: second computer is given in the trace information instantaneous transmission that will compress after reforming.
Should understand; First computer of the present invention, second computer or transmitting terminal computer and receiving end computer; Being not limited to is the computer of which kind of kenel; Though be illustrated as general conventional desktop computer, in fact the present invention is when can be applicable to various computers for example notebook, flat computer or palmtop computer.
In sum, no matter the present invention all shows it be different from the characteristic of known technology with regard to purpose, means and effect.It should be noted; Though the present invention with preferred embodiment openly as above; Right its is not that any those of ordinary skills are not breaking away from the spirit and scope of the present invention in order to qualification the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion when the protection range that define with the claim of enclosing.
Claims (19)
1. the method for an instantaneously transmitting interactive image; It is applied in the Network Transmission of a low frequency range; So that share this interactive image immediately between one first and one second computer; Wherein this interactive image comprises a master image and a marking image, and this marking image is that first or second computer is wherein arbitrary produces by this, and this method comprises:
A: transmit this master image by this first computer to second computer, so that this master image is presented on this first and second computer simultaneously; And
B: one of them draws this marking image on this master image by this first computer and this second computer, and gives the other side with this marking image instantaneous transmission, and wherein, in the step of the instantaneous transmission of this marking image, this method also comprises:
B1: with the trace information of this marking image of CF extraction, wherein this marking image essence is to be made up of a plurality of tracing point;
B2: by the difference degree between any two adjacent track points, delete too close tracing point, to reduce the trace information that is extracted; And
B3: compress the trace information after deleting, and give the other side through the Network Transmission of this low frequency range;
C: receive a side of the trace information after this compression is deleted, also the trace information that is received is decompressed, with this marking image of reduction on this master image.
2. the method for claim 1, wherein this CF is 15 trace informations of per second.
3. the method for claim 1, wherein the trace information of this marking image comprise a coordinate information, a trajectory shape information and a colouring information one of them.
4. method as claimed in claim 3, wherein this coordinate information extracts a mobile message that in a computer operating system, is detected from a computer cursor controller.
5. method as claimed in claim 3, wherein in step B2, this difference degree essence is the coordinate information according to any two adjacent tracing points, to obtain this difference degree, deletes too close tracing point.
6. method as claimed in claim 5 is wherein in step B2, according to the coordinate information of any two adjacent tracing points; To obtain a slope, calculate the slope of all adjacent track points whereby, and according to wantonly two adjacent slopes; To obtain this difference degree, delete too close tracing point.
7. the method for claim 1, wherein this trace information comprises the coordinate information and the characteristic information of each tracing point that constitutes this marking image, and this compression step B3 further comprises:
B31: rearrange the trace information after deleting, so that the coordinate information of each tracing point and characteristic information convert the manifold classification data to, the trace information after deleting with further compression.
8. method as claimed in claim 7, it also comprises:
B32: with the trace information of next tracing point of trace information variable quantity storage between the trace information of the trace information of last tracing point and this last tracing point and back one tracing point, the trace information after compression is deleted whereby is to reduce required data quantity transmitted.
9. the instantaneous transmission system of an interactive image, this system comprises:
One receiving end computer;
One transmitting terminal computer transmits a master image in order to the network through a low frequency range to receiving end computer, so that this master image is shown on this transmitting terminal computer and this receiving end computer, wherein simultaneously
This transmitting terminal computer also comprises:
One graphics module is in order to form a marking image on this master image; And
One first image processing module in order to extract and to compress the trace information that constitutes this marking image, is given this receiving end computer with the trace information after will compressing through the network instantaneous transmission of this low frequency range;
This receiving end computer also comprises: one second image processing module, and in order to the trace information that is received is decompressed, with this marking image of reduction on this master image.
10. system as claimed in claim 9, wherein this first image processing module is the trace information that extracts this marking image with the frequency of 15 of per seconds.
11. computer system as claimed in claim 9, wherein this graphics module is on this master image, to form this marking image through a computer cursor controller.
12. system as claimed in claim 11, wherein this trace information comprises a coordinate information and a characteristic information of each tracing point that constitutes this marking image.
13. system as claimed in claim 12, the wherein mobile message that in a computer operating system, is detected of this computer cursor controller of this coordinate information.
14. system as claimed in claim 12, wherein this characteristic information be meant this marking image color, thickness and shape form one of them.
15. system as claimed in claim 12, wherein this first image processing module comprises that also one reduces sampling module, in order to delete too close tracing point.
16. system as claimed in claim 12, wherein this first image processing module also comprises a data reforming module, converts the manifold classification data in order to coordinate information and characteristic information with each tracing point, the trace information after deleting with further compression.
17. system as claimed in claim 16; Wherein this first image processing module also comprises a compression module; Trace information in order to next tracing point of trace information variable quantity storage between the trace information of the trace information that utilizes last tracing point and this last tracing point and back one tracing point; Trace information after deleting with compression whereby is to reduce required data quantity transmitted.
18. system as claimed in claim 9, wherein this second image processing module also comprises an image synthesizer, so that this marking image is shown on this master image.
19. instantaneous transmission one marking image is in the method shared on the image, this method comprises:
A: provide this to share image, it is simultaneously displayed on one first computer and one second computer;
B: shared at this by this first computer and to form a marking image on the image, and give this second computer with this marking image instantaneous transmission, wherein, in the instantaneous transmission step of this marking image, this method also comprises:
B1: with the trace information of a frequency each tracing point of this marking image that extraction is constituted;
B2: the trace information that is extracted is carried out data reforming and compression; And
B3: second computer is given in the trace information instantaneous transmission that will compress after reforming;
C: this second computer decompresses the trace information that is received, with this marking image of reduction on this master image.
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| CN104601446A (en) * | 2014-12-30 | 2015-05-06 | 上海孩子国科教设备有限公司 | Information reminding method and system for interactive communication |
| CN105447124B (en) * | 2015-11-17 | 2019-07-19 | 广州酷狗计算机科技有限公司 | Virtual objects sharing method and device |
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| CN109710165A (en) * | 2018-12-25 | 2019-05-03 | 维沃移动通信有限公司 | A kind of drawing processing method and mobile terminal |
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