CN105812651A - Video data processing method and terminal device - Google Patents
Video data processing method and terminal device Download PDFInfo
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- CN105812651A CN105812651A CN201510448289.8A CN201510448289A CN105812651A CN 105812651 A CN105812651 A CN 105812651A CN 201510448289 A CN201510448289 A CN 201510448289A CN 105812651 A CN105812651 A CN 105812651A
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Abstract
The invention provides a video data processing method and terminal device and relates to the technical field of video stream processing. The processing method disclosed in the invention comprises the following steps: a plurality of cameras of the terminal device are controlled to respectively collect video streams of the same target object, and therefore a plurality of first-frame-rate video streams to be combined are obtained; all the cameras collect the video streams at the first frame rate, and first frame shooting times of the video streams collected via all the cameras are orderly arranged at an interval of preset time; according to the time order of all picture frames in the video streams to be combined, the picture frames in the plurality of video streams to be combined are combined and processed, and therefore a combined video stream can be obtained. According to an embodiment of the video data processing method and terminal device, a problem that the shooting frame rate of a conventional shooting device is hard to improve on the prerequisite that image quality and effect are ensured can be solved.
Description
Technical field
The present invention relates to video flow processing technical field, particularly relate to processing method and the terminal unit of a kind of video data.
Background technology
Current mobile phone or small hand-held capture apparatus carry out video capture and have become one of the most frequently used function of masses, limited owing to being shot frame per second by photographic head, when the shooting frame per second of general single photographic head is 30 frames/s, guarantee optimum image quality effect, if shooting more than 30 frame per second, image quality effect will be damaged, cause that regular handset and small hand-held capture apparatus are under the premise ensureing image quality effect, it is difficult to improve and take the photograph frame per second.
Summary of the invention
It is an object of the invention to provide the processing method of a kind of video data and terminal unit, solve existing filming apparatus under the premise ensureing image quality effect, it is difficult to the problem improving shooting frame per second.
To achieve these goals, the invention provides the processing method of a kind of video data, including:
Control multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head described is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection；
According to the time order and function order of each picture frame in described video flowing to be combined, it is combined the picture frame in multiple described video flowings to be combined processing, obtains combined video stream.
Present invention also offers a kind of terminal unit, including:
Processing module, for controlling multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head described is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection；
Composite module, for according to the time order and function order of each picture frame in described video flowing to be combined, being combined the picture frame in multiple described video flowings to be combined processing, obtain combined video stream.
The embodiment of the present invention has the advantages that
The processing method of the video data of the embodiment of the present invention, obtain multiple video flowings with the first frame per second that same destination object is gathered by multiple photographic head of terminal unit, wherein, the first frame interval Preset Time successively of the video flowing of each camera collection, then the time order and function order according to picture frame each in video flowing, multiple video flowings are combined, obtain combined video stream.The present invention, by being combined by the video flowing with identical frame per second, under the premise that maintenance image quality is constant, improves shooting frame per second, thus meeting the photographing request of small hand-held capture apparatus high image quality high frame per second.
Accompanying drawing explanation
Fig. 1 represents the first workflow diagram of the processing method of the video data of the embodiment of the present invention；
Fig. 2 represents the second workflow diagram of the processing method of the video data of the embodiment of the present invention；
Fig. 3 represents the 3rd workflow diagram of the processing method of the video data of the embodiment of the present invention；
Fig. 4 represents the 4th workflow diagram of the processing method of the video data of the embodiment of the present invention；
Fig. 5 represents the structured flowchart of the terminal unit of the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with specific embodiment and accompanying drawing.
The embodiment provides the processing method of a kind of video data and terminal unit, solve existing filming apparatus under the premise ensureing image quality effect, it is difficult to the problem improving shooting frame per second.
As it is shown in figure 1, The embodiment provides the processing method of a kind of video data, the method can be applicable to a terminal unit, and this terminal unit can be specifically smart mobile phone, panel computer/equipment such as PAD, personal computer, and above-mentioned processing method includes:
Step 11: control multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection.
In a particular embodiment of the present invention, owing to regular handset and small hand-held capture apparatus are under the premise ensureing image quality effect, shooting frame per second is when 30 frames/s, it is ensured that the effect of image quality is optimum, and therefore, described first frame per second can be specially 30 frames/s.The embodiment of the present invention controls each photographic head with identical frame per second, the video flowing gathering same destination object, and the time that each photographic head starts shooting staggers, it is possible to obtain the more picture detail of described destination object.
Step 12: according to the time order and function order of each picture frame in described video flowing to be combined, be combined the picture frame in multiple described video flowings to be combined processing, obtain combined video stream.
Wherein, the plurality of photographic head installation site in terminal unit can not be identical, can be different to the shooting orientation of same destination object, cause that the picture frame shooting out can difference to some extent in angle, height etc., therefore, when the picture frame in multiple video flowings is combined, first have to the picture frame in multiple video flowings to be combined is carried out algorithm process, the shooting angle making each picture frame is close, so that the video pictures after combination has better visual effect.It addition, the embodiment of the present invention is by having identical frame per second and the different multiple video flowings of picture frame shooting time combine, obtaining the video flowing with higher frame per second, under the premise ensureing image quality effect, improve the shooting frame per second of video flowing.
The processing method of the video data of the embodiment of the present invention, obtain multiple video flowings with the first frame per second that same destination object is gathered by multiple photographic head of terminal unit, wherein, the first frame shooting time interval Preset Time successively of the video flowing of each camera collection, time order and function order according to picture frame each in video flowing, multiple video flowings are combined, obtain the combined video stream with higher frame per second.The present invention, by being combined by the video flowing with identical frame per second, under the premise that maintenance image quality is constant, improves shooting frame per second, thus meeting the photographing request of small hand-held capture apparatus high image quality high frame per second.
In a particular embodiment of the present invention, the plurality of video flowing to be combined at least includes: the first video flowing to be combined and the second video flowing to be combined；And
As in figure 2 it is shown, multiple photographic head of described control terminal unit, gathering the video flowing of same destination object respectively, the step obtaining having the video flowing multiple to be combined of the first frame per second includes:
Step 21: putting from the very first time, the first photographic head controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains first video flowing to be combined with the first frame per second；
Step 22: from and the second time point of some interval Preset Time of the described very first time, the second camera controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains second video flowing to be combined with the first frame per second.
Concrete, first the very first time point of shooting can be started by the first photographic head described in a timer record, and postponing the second time point of Preset Time, control second camera to shoot, here when the second time point, second camera can be automatically turned on by terminal unit and shoot, also can when the second time point, being sent alerting signal by timer, artificial second camera of opening shoots, and obtains second video flowing to be combined with the first frame per second.
In a particular embodiment of the present invention, described according to the time order and function order of each picture frame in described video flowing to be combined, it is combined the picture frame in multiple described video flowings to be combined processing, obtains the step of combined video stream, as it is shown on figure 3, include:
Step 31: each described video flowing to be combined is carried out dissection process, obtains the picture frame in each video flowing to be combined, and determine the time of each picture frame.
Wherein, the picture frame of each video flowing to be combined carries the timestamp for identifying this picture frame shooting time, can determine that the time of this picture frame according to this timestamp.
Step 32: according to the order that the time is incremented by, the picture frame in each described video flowing to be combined is ranked up, obtains a picture frame sequence to be combined；
Step 33: be combined described picture frame sequence to be combined processing, obtain combined video stream.
The processing method of the video data of the embodiment of the present invention, merge by multiple video flowings being carried out wrong frame, maintaining on the basis of image quality (resolution) of existing photographic head shooting, improve shooting frame per second, meet mobile phone and the small hand-held capture apparatus photographing request to high image quality high frame per second.
Further, the processing method of the video data of the embodiment of the present invention, also include:
Number according to described video flowing to be combined and the first frame per second of described video flowing to be combined, it is determined that described Preset Time.
Concrete, pass through formulaDetermining described Preset Time, wherein, T represents that Preset Time, FPS represent described first frame per second, and N represents the number of video flowing to be combined, and N is the integer more than or equal to 2.
Assuming that the number of video flowing to be combined is two, described first frame per second is 30 frames/s, then described Preset Time is 1/60 second, and namely second camera is after the first photographic head starts to shoot 1/60 second, then shoots；If video flowing to be combined is three, described first frame per second is 30 frames/s, then described Preset Time is 1/90 second, namely second camera is after the first photographic head starts to shoot 1/90 second, shooting, the 3rd photographic head is after second camera starts to shoot 1/90 second, then shoots again.
Below respectively each step of video data handling procedure is made that and explains in detail explanation, below the overall flow of video data handling procedure is further detailed.
Assuming that described terminal unit includes two photographic head, and the shooting frame per second of each photographic head is 30 frames/s, and as shown in Figure 4, the processing method of the present invention includes:
Step 41: control the first photographic head and with the shooting frame per second of 30 frames/s, destination object is shot, obtain the first video flowing to be combined, records described first photographic head simultaneously and starts the very first time of shooting；
In which it is assumed that described first video flowing to be combined includes A1, A2 ... 30 picture frames of A30.
Step 42: and the second time of interval Preset Time of the described very first time, control second camera and with the shooting frame per second of 30 frames/s, destination object shot, obtain the second video flowing to be combined；
Assuming that also include B1, B2 in described second video flowing to be combined ... 30 picture frames of B30, and this predetermined time delay is 1/60 second by the above formula.
Step 43: described first video flowing to be combined and described second video flowing to be combined are carried out buffer memory after terminating by shooting；
Step 44: each described video flowing to be combined is carried out dissection process, obtains the picture frame in each video flowing to be combined, and determine the time of each picture frame；
Step 45: according to the order that the time is incremented by, the picture frame in each described video flowing to be combined is ranked up, obtains a picture frame sequence to be combined；
Concrete, according to the order that the time is incremented by, to A1, A2 ... A30 and B1, B2 ... 60 picture frames of B30 are ranked up, and obtain picture frame sequence to be combined: A1, B1, A2, B2 ... A30, B30.
Step 46: be combined described picture frame sequence to be combined processing, obtain the combined video stream with the second frame per second.
Finally giving the combined video stream that frame per second is 60 frames/second, this video flowing remains more picture detail, thus can produce more effect when carrying out later stage process, as slowed down, frame per second is play, it is possible to achieve slow play effect etc..
The processing method of the video data of the embodiment of the present invention, obtain multiple video flowings with the first frame per second that same destination object is gathered by multiple photographic head of terminal unit, wherein, the first frame interval Preset Time successively of the video flowing of each camera collection, time order and function order according to picture frame each in video flowing, multiple video flowings are combined, obtain combined video stream.The present invention, by being combined by the video flowing with identical frame per second, under the premise that maintenance image quality is constant, improves shooting frame per second, thus meeting the photographing request of small hand-held capture apparatus high image quality high frame per second.
As it is shown in figure 5, embodiments of the invention additionally provide a kind of terminal unit, including:
Processing module 51, for controlling multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection；
Composite module 52, for according to the time order and function order of each picture frame in described video flowing to be combined, being combined the picture frame in multiple described video flowings to be combined processing, obtain combined video stream.
The terminal unit of the embodiment of the present invention, the plurality of video flowing to be combined at least includes: the first video flowing to be combined and the second video flowing to be combined；And
Described processing module 51 includes:
First processing unit, for putting from the very first time, the first photographic head controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains first video flowing to be combined with the first frame per second；
Second processing unit, for from and the second time point of some interval Preset Time of the described very first time, the second camera controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains second video flowing to be combined with the first frame per second.
The terminal unit of the embodiment of the present invention, described composite module 52 includes:
3rd processing unit, for each described video flowing to be combined is carried out dissection process, obtains the picture frame in each video flowing to be combined, and determines the time of each picture frame；
Sequencing unit, for the order being incremented by according to the time, is ranked up the picture frame in each described video flowing to be combined, obtains a picture frame sequence to be combined；
Assembled unit, for being combined described picture frame sequence to be combined processing, obtains combined video stream.
The terminal unit of the embodiment of the present invention, also includes:
Determine module, for the first frame per second of the number according to described video flowing to be combined and described video flowing to be combined, it is determined that described Preset Time.
The terminal unit of the embodiment of the present invention, described determines that module is specifically for passing through formulaDetermining described Preset Time, wherein, T represents that Preset Time, FPS represent described first frame per second, and N represents the number of video flowing to be combined, and N is the integer more than or equal to 2.
The terminal unit of the embodiment of the present invention, control each photographic head with identical frame per second, the video flowing gathering same destination object, and the time that each photographic head started shooting stagger, then the multiple video flowings obtained are carried out wrong frame and merge, obtain the video flowing with higher frame per second.
It should be noted that this terminal unit is the terminal unit corresponding with said method embodiment, in said method embodiment, all implementations are all suitable in the embodiment of this terminal unit, also can reach identical technique effect.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. the processing method of a video data, it is characterised in that including:
Control multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head described is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection；
According to the time order and function order of each picture frame in described video flowing to be combined, it is combined the picture frame in multiple described video flowings to be combined processing, obtains combined video stream.
2. the processing method of video data according to claim 1, it is characterised in that the plurality of video flowing to be combined at least includes: the first video flowing to be combined and the second video flowing to be combined；And
Multiple photographic head of described control terminal unit, gather the video flowing of same destination object respectively, and the step obtaining having the video flowing multiple to be combined of the first frame per second includes:
Putting from the very first time, the first photographic head controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains first video flowing to be combined with the first frame per second；
From and the second time point of some interval Preset Time of the described very first time, the second camera controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains second video flowing to be combined with the first frame per second.
3. the processing method of video data according to claim 1, it is characterized in that, described according in described video flowing to be combined each picture frame time order and function order, the picture frame in multiple described video flowings to be combined is combined process, the step obtaining combined video stream includes:
Each described video flowing to be combined is carried out dissection process, obtains the picture frame in each video flowing to be combined, and determine the time of each picture frame；
According to the order that the time is incremented by, the picture frame in each described video flowing to be combined is ranked up, obtains a picture frame sequence to be combined；
It is combined described picture frame sequence to be combined processing, obtains described combined video stream.
4. the processing method of video data according to claim 1, it is characterised in that described method also includes:
Number according to described video flowing to be combined and the first frame per second of described video flowing to be combined, it is determined that described Preset Time.
5. the processing method of video data according to claim 4, it is characterised in that the first frame per second of the described number according to video flowing to be combined and described video flowing to be combined, it is determined that the step of described Preset Time particularly as follows:
Pass through formulaDetermining described Preset Time, wherein, T represents that Preset Time, FPS represent described first frame per second, and N represents the number of video flowing to be combined, and N is the integer more than or equal to 2.
6. a terminal unit, it is characterised in that including:
Processing module, for controlling multiple photographic head of terminal unit, gather the video flowing of same destination object respectively, obtain the video flowing multiple to be combined with the first frame per second, wherein, each photographic head described is all acquired according to described first frame per second, and the first frame shooting time interval Preset Time successively of the video flowing of each camera collection；
Composite module, for according to the time order and function order of each picture frame in described video flowing to be combined, being combined the picture frame in multiple described video flowings to be combined processing, obtain combined video stream.
7. terminal unit according to claim 6, it is characterised in that the plurality of video flowing to be combined at least includes: the first video flowing to be combined and the second video flowing to be combined；And
Described processing module includes:
First processing unit, for putting from the very first time, the first photographic head controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains first video flowing to be combined with the first frame per second；
Second processing unit, for from and the second time point of some interval Preset Time of the described very first time, the second camera controlling described terminal unit gathers the video flowing of described destination object with the first frame per second, obtains second video flowing to be combined with the first frame per second.
8. terminal unit according to claim 6, it is characterised in that described composite module includes:
3rd processing unit, for each described video flowing to be combined is carried out dissection process, obtains the picture frame in each video flowing to be combined, and determines the time of each picture frame；
Sequencing unit, for the order being incremented by according to the time, is ranked up the picture frame in each described video flowing to be combined, obtains a picture frame sequence to be combined；
Assembled unit, for being combined described picture frame sequence to be combined processing, obtains described combined video stream.
9. terminal unit according to claim 6, it is characterised in that also include:
Determine module, for the first frame per second of the number according to described video flowing to be combined and described video flowing to be combined, it is determined that described Preset Time.
10. terminal unit according to claim 9, it is characterised in that
Described determine that module is specifically for passing through formulaDetermining described Preset Time, wherein, T represents that Preset Time, FPS represent described first frame per second, and N represents the number of video flowing to be combined, and N is the integer more than or equal to 2.
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| CN115967852B (en) * | 2022-02-11 | 2024-02-06 | 四川大学 | Image processing method based on optical compensation optimization algorithm |
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