CN104469244A - A network based video image adjusting method and system - Google Patents
A network based video image adjusting method and system Download PDFInfo
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- CN104469244A CN104469244A CN201310419002.XA CN201310419002A CN104469244A CN 104469244 A CN104469244 A CN 104469244A CN 201310419002 A CN201310419002 A CN 201310419002A CN 104469244 A CN104469244 A CN 104469244A
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Abstract
The present invention discloses a network based video image adjusting method and system. The method is used in a first electronic apparatus, the video image is generated by the first electronic apparatus according to data received through the network, and the method includes: obtaining a real time network situation during the playing process of the video image; determining whether the real time network situation meets a first predetermined condition, to obtain a first determining result; and when the first determining result indicates the real time network situation meets the first predetermined condition, adjusting a display area of the video image to a second area, a first area being different from the second area. Through adoption of the method or system of the present invention, the image of the video call can be adjusted according to the state of the network, so as to avoid mosaic or stuck and pausing phenomenon of the video image when the state of the network is bad, thereby enabling the user to obtain a more smooth and clear video image watching experience.
Description
Technical field
The present invention relates to computer application field, particularly relate to a kind of network video pictures control method and system.
Background technology
Along with the development of the communication technology, increasing user brings into use video calling.
Carry out in the process of video calling at electronic equipment, the video pictures that user can watch other subscriber equipment to send on the electronic equipment of oneself.Be limited to the factors such as the network bandwidth, the definition of the video pictures that other subscriber equipment sends is usually lower.
In the extraordinary situation of the network bandwidth, some software can support that the video pictures by other subscriber equipment sends shows with high definition.But due in actual environment, the network bandwidth can change.Such as, when in same local area network (LAN), the electronic equipment number of occupied bandwidth is more, or same electronic equipment runs simultaneously have multiple when taking the software of massive band width, the data transmission bauds of network all can be affected.
In prior art, when the network bandwidth is deteriorated, when adopting high definition to show the video pictures that other subscriber equipment sends, due to the definition decline of the video pictures that other subscriber equipment sends, but the video pictures after definition decline still can be play by the electronic equipment playing this video pictures on original picture dimension.This can cause mosaic phenomenon appears in video pictures, or picture Caton phenomenon can occur, and time more serious, video call process also may be caused to interrupt.
Summary of the invention
The object of this invention is to provide a kind of network video pictures control method and system, can regulate according to the picture of the network bandwidth to video calling, when making wideband condition poor, video pictures can be avoided to occur mosaic or Caton phenomenon.
For achieving the above object, the invention provides following scheme:
A kind of network video pictures control method, described method is applied to the first electronic equipment, described first electronic equipment at least comprises display unit, described video pictures is presented on described display unit, the display area of described video pictures is the first area, and described video pictures is described first electronic equipment according to the data genaration by network reception, described method comprises:
Obtain the real-time network conditions in described video pictures playing process;
Judge described real-time network conditions whether first predetermined condition, obtain the first judged result;
When described first judged result represents described real-time network conditions first predetermined condition, the display area adjusting described video pictures is second area, and described first area is different from second area.
Optionally, the display area of the described video pictures of described adjustment is second area, and described first area is different from second area, comprising:
The display area adjusting described video pictures according to preset ratio is second area, and described first area is different from second area.
Optionally, described method also comprises:
Judge described real-time network conditions whether second predetermined condition, obtain the second judged result;
When described second judged result represents described real-time network conditions second predetermined condition, close described video pictures;
When described second judged result represent described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
Optionally, the described display area adjusting described video pictures according to preset ratio also comprises after being second area:
Improve the frame per second of the video data arrived by network reception, thus improve the frame per second of described video pictures.
Optionally, described method also comprises:
The display area adjusting described video pictures shows the first recovery button after being second area;
After receiving the click commands of user for described first recovery button, described video pictures is returned to described first area.
Optionally, described method also comprises:
After showing described first recovery button, judge whether the displaying time of described first recovery button reaches the first Preset Time;
If so, then described first recovery button of display is cancelled.
Optionally, described video pictures comprises:
The second electronic equipment carrying out video calling with described first electronic equipment is sent to the picture of described first electronic equipment.
A kind of network video pictures regulating system, described system is applied to the first electronic equipment, described first electronic equipment at least comprises display unit, described video pictures is presented on described display unit, the display area of described video pictures is the first area, and described video pictures is described first electronic equipment according to the data genaration by network reception, described system comprises:
Acquiring unit, for obtaining the real-time network conditions in described video pictures playing process;
First judging unit, for judging described real-time network conditions whether first predetermined condition, obtains the first judged result;
Display area adjustment unit, for when described first judged result represents described real-time network conditions first predetermined condition, the display area adjusting described video pictures is second area, and described first area is different from second area.
Optionally, described display area adjustment unit, comprising:
Convergent-divergent subelement, be second area for adjusting the display area of described video pictures according to preset ratio, described first area is different from second area.
Optionally, described system also comprises:
Second judging unit, for judging described real-time network conditions whether second predetermined condition, obtains the second judged result;
Closing unit, for when described second judged result represents described real-time network conditions second predetermined condition, closes described video pictures;
Open unit, for represent when described second judged result described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
Optionally, also comprise:
Frame per second improves unit, and the display area for adjust described video pictures according to preset ratio at described convergent-divergent subelement is improved the frame per second of the video data arrived by network reception, thus improves the frame per second of described video pictures after being second area.
Optionally, described system also comprises:
Button display unit, the display area for adjusting described video pictures at described display area adjustment unit shows the first recovery button after being second area;
Recovery unit, for after receiving the click commands of user for described first recovery button, by described first picture recovery to described first area.
Optionally, described system also comprises:
3rd judging unit, for after described first recovery button of described button display unit display, judges whether the displaying time of described first recovery button reaches the first Preset Time;
Cancelling unit, for when the judged result of described 3rd judging unit is for being, cancelling described first recovery button of display.
Optionally, described video pictures comprises:
The second electronic equipment carrying out video calling with described first electronic equipment is sent to the picture of described first electronic equipment.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
Network video pictures control method of the present invention and system, by obtaining the real-time network conditions in described video pictures playing process, judge described real-time network conditions whether first predetermined condition, the display area of described frequency picture is adjusted according to judged result, can regulate according to the picture of network condition to video calling, when making network condition poor, video pictures can be avoided to occur mosaic or Caton phenomenon, and then make user obtain more smooth and video pictures viewing experience clearly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of network video pictures control method embodiment 1 of the present invention;
Fig. 2 is the flow chart of network video pictures control method embodiment 2 of the present invention;
Fig. 3 is the flow chart of network video pictures control method embodiment 3 of the present invention;
Fig. 4 is the structure chart of network video pictures regulating system embodiment 1 of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Network video pictures control method of the present invention, is applied to the first electronic equipment.Described first electronic equipment at least comprises display unit.Described video pictures is presented on described display unit, and the display area of described video pictures is the first area.Described video pictures is described first electronic equipment according to the data genaration by network reception.Described first electronic equipment can be the electronic equipments such as mobile phone, PC, or panel computer.Described first electronic equipment has mixed-media network modules mixed-media, can pass through described mixed-media network modules mixed-media receiving network data.The video pictures that described video pictures generates when can be the video on the first electronic equipment playing network also can be the video pictures of generation when carrying out video calling with the second electronic equipment.
Fig. 1 is the flow chart of network video pictures control method embodiment 1 of the present invention.As shown in Figure 1, the method can comprise:
Step 101: obtain the real-time network conditions in described video pictures playing process;
Described network condition can be the index that can reflect network data transmission quality.Such as, can be the data transmission bauds of network, also can be by network reception to overall data in proportion shared by valid data.
Step 102: judge described real-time network conditions whether first predetermined condition, obtain the first judged result;
When described real-time network conditions is specially the data transmission bauds of network, described first predetermined condition can be default network data transmission velocity amplitude.Such as, the first predetermined condition can being set to network data transmission speed, to be less than 200kb per second.When the real-time Data Transmission speed of network be less than 200kb per second time, described first judged result is and is; When the real-time Data Transmission speed of network be greater than 200kb per second time, described first judged result is no.
Step 103: when described first judged result represents described real-time network conditions first predetermined condition, the display area adjusting described video pictures is second area, and described first area is different from second area.
The display area adjusting described frequency picture comprises: reduce according to the overall displaying contents of preset ratio to described video pictures, and/or, amplify according to the overall displaying contents of preset ratio to described video pictures.Concrete, when described first predetermined condition be described real-time network conditions better time, when described real-time network conditions meets described first predetermined condition, the display area of described video pictures can be tuned up; When described first predetermined condition be described real-time network conditions poor time, when described real-time network conditions meets described first predetermined condition, the display area of described video pictures can be turned down.
Further, when the real-time Data Transmission speed of network is less than default network data transmission velocity amplitude, the screen area shared by the displaying contents of described video pictures can be reduced.This reducing is the convergent-divergent of overall displaying contents to described video pictures, instead of cutting out described video pictures.When the real-time Data Transmission speed of network is greater than default network data transmission velocity amplitude, the screen area shared by the displaying contents of described video pictures can be amplified.
Usually, on cell phone apparatus, be 240*320 by the original size of the video pictures of Internet Transmission.When the data transmission bauds of network declines, in the video pictures due to 240*320 size, the quantity of valid pixel reduces, and the definition of original video frame can be caused to decline.And in prior art, the screen of cell phone apparatus is greater than this size of 240*320 usually.The size of smart mobile phone is at present generally 4 inch.Therefore, in prior art, also can amplify original video frame, after amplifying, namely form the video pictures that user observes on screen.When the definition of original video frame declines, owing to also can amplify the original video frame after definition decline in prior art, the video pictures that screen is observed therefore can be caused to occur serious mosaic phenomenon.
And the scheme in the present embodiment is, when the data transmission bauds of network declines, can turns down according to the resolution of preset ratio by original video frame, such as, reduce half, become 120*160.After reducing, when network condition is constant, the ratio regular meeting of the valid pixel in original video frame increases.Further, time on screen raw frames being projected to electronic equipment, the display area of video pictures on screen can be reduced.Concrete, can work as network condition good time, video pictures described in employing played in full screen; When network condition is deteriorated, the part (part for the middle section of such as screen) in screen is adopted to play described video pictures.User can be made in less viewing area like this to watch the video pictures of comparatively clear (not having mosaic).
When the data transmission bauds of network increases, can amplify according to the overall displaying contents of preset ratio to described video pictures.Concrete, when the data transmission bauds of network is less than default value, according to the method for the present embodiment, the subregion of described video pictures on screen can show by electronic equipment, and can not be displayed in full screen.When the data transmission bauds of network increases, then described video pictures can be displayed in full screen on screen.
In sum, in the present embodiment, by obtaining the real-time network conditions in described video pictures playing process, judge described real-time network conditions whether first predetermined condition, adjust the display area of described frequency picture according to judged result, can regulate according to the picture of network condition to video calling, when making network condition poor, video pictures can be avoided to occur mosaic or Caton phenomenon, and then make user obtain more smooth and video pictures viewing experience clearly.
It should be noted that, in the embodiment of the present invention, the second predetermined condition can also be set.Described second predetermined condition can represent that real-time network conditions is also more severe than the network condition under the first predetermined condition.Described real-time network conditions whether second predetermined condition can be judged, obtain the second judged result; When described second judged result represents described real-time network conditions second predetermined condition, close described video pictures.When described second judged result represent described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
Fig. 2 is the flow chart of network video pictures control method embodiment 2 of the present invention.As shown in Figure 2, the method can comprise:
Step 201: obtain the real-time network data transmission speed in described video pictures playing process;
Step 202: judge whether described real-time network data transmission speed is less than the first preset data transmission speed value, obtains the first judged result;
Step 203: when described first judged result is for being, carries out convergent-divergent according to the overall displaying contents of preset ratio to described video pictures.
After convergent-divergent is carried out to the overall displaying contents of described video pictures, the frame per second of described video pictures can also be improved.After the overall displaying contents of described video pictures carries out convergent-divergent, the pixel count of described video pictures reduces, and the data volume that individual picture takies also reduces, therefore, when network condition is constant, the picture frame number that the data of equivalent can be formed can be improved.After the frame per second raising of video pictures, user can be made to watch more smooth video pictures.
It should be noted that, the mode of the frame per second of above-mentioned raising video pictures, mainly improves the frame per second of the video data arrived by network reception, thus improves the frame per second of described video pictures.
Step 204: judge whether described real-time network data transmission speed is less than the second preset data transmission speed value, obtains the second judged result;
Wherein, described second preset data transmission speed value is less than described first preset data transmission speed value.Described real-time network data transmission speed is less than the second preset data transmission speed value, is a kind of concrete manifestation form of described second predetermined condition.
Concrete, described first preset data transmission speed value can be that 200kb is per second, and described second preset data transmission speed value can be that 100kb is per second.
Step 205: when described second judged result represents described real-time network conditions second predetermined condition, close described video pictures;
In the present embodiment, described video pictures is the video pictures in video call process.
Because during described real-time network conditions second predetermined condition, represent that network condition has become more severe.Now, in order to ensure that speech data in communication process can normal transmission, the described video pictures in described video call process can be closed.
Step 206: when described second judged result represent described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
When network condition takes a turn for the better, such as, the data transmission bauds of network be greater than 100kb per second after, described video pictures can be opened.
Fig. 3 is the flow chart of network video pictures control method embodiment 3 of the present invention.As shown in Figure 3, the method can comprise:
Step 301: obtain the real-time network data transmission speed in described video pictures playing process;
Step 302: judge whether described real-time network data transmission speed is less than the first preset data transmission speed value, obtains the first judged result;
Step 303: when described first judged result is for being, carries out convergent-divergent according to the overall displaying contents of preset ratio to described video pictures.
Step 304: after adjusting the display area of described video pictures, show the first recovery button;
Step 305: after receiving the click commands of user for described first recovery button, the area before described video pictures is returned to convergent-divergent.
In the present embodiment, by step 304 and step 305, can after by described video pictures convergent-divergent, for user provides first recovery button.When user clicks this button, can by the size before the picture recovery after convergent-divergent to convergent-divergent.That is, in the present embodiment, also according to the hobby of user self, when network condition is poor, larger video pictures can be play.
Step 306: after showing described first recovery button, judges whether the displaying time of described first recovery button reaches the first Preset Time; If so, then step 307 is performed.
Step 307: if then cancel described first recovery button of display.
The effect of step 306 and step 307 is, when user does not click described first recovery button, when the displaying time of described first recovery button reaches the first Preset Time (such as five seconds), can cancel the display for the first recovery button.After cancelling described first recovery button of display, the blocking or disturbing video pictures of the first recovery button can be avoided, make user watch comparatively succinct video pictures.
Step 308: judge whether described real-time network data transmission speed is less than the second preset data transmission speed value, obtains the second judged result;
Step 309: when described second judged result represents described real-time network conditions second predetermined condition, close described video pictures;
Step 310: show the second recovery button, so that after receiving the click commands of user for described second recovery button, the state before described video pictures is returned to closedown.
Step 311: judge whether the displaying time of described second recovery button reaches the second Preset Time;
Step 312: if then cancel described second recovery button of display.
Wherein, step 311 is identical with the effect of step 307 with step 306 with the effect of step 312, repeats no more herein.
The invention also discloses a kind of network video pictures regulating system.Described system is applied to the first electronic equipment, and described video pictures is described first electronic equipment according to the data genaration by network reception.
Fig. 4 is the structure chart of network video pictures regulating system embodiment 1 of the present invention.As shown in Figure 4, described system can comprise:
Acquiring unit 401, for obtaining the real-time network conditions in described video pictures playing process;
First judging unit 402, for judging described real-time network conditions whether first predetermined condition, obtains the first judged result;
Display area adjustment unit 403, for when described first judged result represents described real-time network conditions first predetermined condition, adjusts the display area of described video pictures.
In the present embodiment, by obtaining the real-time network conditions in described video pictures playing process, judge described real-time network conditions whether first predetermined condition, the display area of described frequency picture is adjusted according to judged result, can regulate according to the picture of network condition to video calling, when making network condition poor, video pictures can be avoided to occur mosaic or Caton phenomenon, and then make user obtain more smooth and video pictures viewing experience clearly.
In practical application, described display area adjustment unit 403, can comprise:
Convergent-divergent subelement, for carrying out convergent-divergent according to the overall displaying contents of preset ratio to described video pictures.
Described system can also comprise:
Second judging unit, for judging described real-time network conditions whether second predetermined condition, obtains the second judged result;
Closing unit, for when described second judged result represents described real-time network conditions second predetermined condition, closes described video pictures;
Open unit, for represent when described second judged result described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
Can also comprise:
Frame per second improves unit, after carrying out convergent-divergent at described convergent-divergent subelement according to the overall displaying contents of preset ratio to described video pictures, improves the frame per second of the video data arrived by network reception, thus improves the frame per second of described video pictures.
Described system can also comprise:
Button display unit, after adjusting the display area of described video pictures at described display area adjustment unit, shows the first recovery button;
Recovery unit, for after receiving the click commands of user for described first recovery button, by the area before described first picture recovery to adjustment.
Described system can also comprise:
3rd judging unit, for after described first recovery button of described button display unit display, judges whether the displaying time of described first recovery button reaches the first Preset Time;
Cancelling unit, for when the judged result of described 3rd judging unit is for being, cancelling described first recovery button of display.
Described video pictures comprises:
The second electronic equipment carrying out video calling with described first electronic equipment is sent to the picture of described first electronic equipment.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required hardware platform by software and realize, can certainly all be implemented by hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For system disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a network video pictures control method, it is characterized in that, described method is applied to the first electronic equipment, described first electronic equipment at least comprises display unit, described video pictures is presented on described display unit, the display area of described video pictures is the first area, and described video pictures is described first electronic equipment according to the data genaration by network reception, and described method comprises:
Obtain the real-time network conditions in described video pictures playing process;
Judge described real-time network conditions whether first predetermined condition, obtain the first judged result;
When described first judged result represents described real-time network conditions first predetermined condition, the display area adjusting described video pictures is second area, and described first area is different from second area.
2. method according to claim 1, is characterized in that, the display area of the described video pictures of described adjustment is second area, and described first area is different from second area, comprising:
The display area adjusting described video pictures according to preset ratio is second area, and described first area is different from second area.
3. method according to claim 1, is characterized in that, described method also comprises:
Judge described real-time network conditions whether second predetermined condition, obtain the second judged result;
When described second judged result represents described real-time network conditions second predetermined condition, close described video pictures;
When described second judged result represent described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
4. method according to claim 2, is characterized in that, the described display area adjusting described video pictures according to preset ratio also comprises after being second area:
Improve the frame per second of the video data arrived by network reception, thus improve the frame per second of described video pictures.
5. the method according to any one of claim 1-4, is characterized in that, described method also comprises:
The display area adjusting described video pictures shows the first recovery button after being second area;
After receiving the click commands of user for described first recovery button, described video pictures is returned to described first area.
6. method according to claim 5, is characterized in that, described method also comprises:
After showing described first recovery button, judge whether the displaying time of described first recovery button reaches the first Preset Time;
If so, then described first recovery button of display is cancelled.
7. the method according to any one of claim 1-4, is characterized in that, described video pictures comprises:
The second electronic equipment carrying out video calling with described first electronic equipment is sent to the picture of described first electronic equipment.
8. a network video pictures regulating system, it is characterized in that, described system is applied to the first electronic equipment, described first electronic equipment at least comprises display unit, described video pictures is presented on described display unit, the display area of described video pictures is the first area, and described video pictures is described first electronic equipment according to the data genaration by network reception, and described system comprises:
Acquiring unit, for obtaining the real-time network conditions in described video pictures playing process;
First judging unit, for judging described real-time network conditions whether first predetermined condition, obtains the first judged result;
Display area adjustment unit, for when described first judged result represents described real-time network conditions first predetermined condition, the display area adjusting described video pictures is second area, and described first area is different from second area.
9. system according to claim 8, is characterized in that, described display area adjustment unit, comprising:
Convergent-divergent subelement, be second area for adjusting the display area of described video pictures according to preset ratio, described first area is different from second area.
10. system according to claim 8, is characterized in that, described system also comprises:
Second judging unit, for judging described real-time network conditions whether second predetermined condition, obtains the second judged result;
Closing unit, for when described second judged result represents described real-time network conditions second predetermined condition, closes described video pictures;
Open unit, for represent when described second judged result described real-time network conditions not second predetermined condition time, open described video pictures, or be held open described video pictures.
11. systems according to claim 9, is characterized in that, also comprise:
Frame per second improves unit, and the display area for adjust described video pictures according to preset ratio at described convergent-divergent subelement is improved the frame per second of the video data arrived by network reception, thus improves the frame per second of described video pictures after being second area.
12. systems according to Claim 8 described in-11 any one, it is characterized in that, described system also comprises:
Button display unit, the display area for adjusting described video pictures at described display area adjustment unit shows the first recovery button after being second area;
Recovery unit, for after receiving the click commands of user for described first recovery button, by described first picture recovery to described first area.
13. systems according to claim 12, is characterized in that, described system also comprises:
3rd judging unit, for after described first recovery button of described button display unit display, judges whether the displaying time of described first recovery button reaches the first Preset Time;
Cancelling unit, for when the judged result of described 3rd judging unit is for being, cancelling described first recovery button of display.
14. systems according to Claim 8 described in-11 any one, it is characterized in that, described video pictures comprises:
The second electronic equipment carrying out video calling with described first electronic equipment is sent to the picture of described first electronic equipment.
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| CN108022468A (en) * | 2017-12-13 | 2018-05-11 | 安徽天立泰科技股份有限公司 | A kind of cloud classroom monitoring system based on VR virtual reality technologies |
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| CN110087014A (en) * | 2019-04-29 | 2019-08-02 | 努比亚技术有限公司 | Video complementing method, terminal and computer readable storage medium |
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| CN108022468A (en) * | 2017-12-13 | 2018-05-11 | 安徽天立泰科技股份有限公司 | A kind of cloud classroom monitoring system based on VR virtual reality technologies |
| CN108109451A (en) * | 2017-12-13 | 2018-06-01 | 安徽天立泰科技股份有限公司 | A kind of cloud Teaching System based on VR virtual reality technologies |
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