CN106101527A - Alleviate the method and device of video pictures shake - Google Patents
Alleviate the method and device of video pictures shake Download PDFInfo
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- CN106101527A CN106101527A CN201610391304.4A CN201610391304A CN106101527A CN 106101527 A CN106101527 A CN 106101527A CN 201610391304 A CN201610391304 A CN 201610391304A CN 106101527 A CN106101527 A CN 106101527A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors
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Abstract
It relates to a kind of method and device alleviating video pictures shake, described method includes: reduce currently playing video pictures to obtain scale visual picture according to preset ratio；Obtain sensor and detect the synthetic vector value obtained；Move described scale visual picture is compensated to the direction contrary with described synthetic vector value by described scale visual picture.Having the beneficial effect that in time reducing and make video pictures in shake by the way of video pictures or rock of the disclosure can compensate according to the direction that the synthetic vector that sensor records is contrary; make the video pictures entering in user's visual field can keep the position before rocking; thus solve video jitter well and visual fatigue that video jitter brings; allow users to watch video under more scene; eyes for user provide vision protection simultaneously, greatly improve Consumer's Experience.
Description
Technical field
Disclosure embodiment relates to technical field of mobile terminals, particularly relate to a kind of alleviate video pictures shake method and
Device.
Background technology
For the camera installed in moveable terminal, cause rocking in various degree along with the environment made residing for employment
Or shake, in turn results in the image blur of camera, and the picture quality of shooting drastically declines, it is however generally that the image of image blur
Can be deleted by user, and directly result in and re-shoot, bring bad experience to user.
Along with maturation and the development of consumer camera, at present, camera has during shooting picture or video
Highly developed software algorithm offsets the shake that extraneous factor is brought, and the camera being applied on mobile terminal then can be by right
Shoot the picture of formation after this compensation, obtain picture or the video of more stable imaging clearly.
Similarly, terminal make employment pass through mobile terminal viewing video or picture during, also can run into
Occur that mobile phone rocks or situation about shaking occurs, such as by bus, navigate during shake or jolt, user can be caused to see
The picture seen or the float of video so that user misses the picture that some are excellent, or makes user be forced to temporarily cease
Viewing, brings the most bad experience to user equally.
Summary of the invention
The disclosure provides a kind of method and device alleviating video pictures shake, to realize user when watching video to trembling
Dynamic picture compensates.
First aspect, present disclose provides a kind of method alleviating video pictures shake, and its concrete technical scheme is as follows:
Described method includes:
Currently playing video pictures is reduced to obtain scale visual picture according to preset ratio；
Obtain sensor and detect the synthetic vector value obtained；
Move described scale visual is drawn to the direction contrary with described synthetic vector value by described scale visual picture
Face compensates.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: by reducing the side of video pictures
Formula can compensate according to the direction that the synthetic vector that sensor records is contrary when making video pictures in shake or rock,
Make the video pictures entering in user's visual field can keep the position before rocking, thus solve video jitter well
And the visual fatigue that video jitter brings, allow users to watch video under more scene, be the eyes of user simultaneously
Offer vision is protected, and greatly improves Consumer's Experience.
Implement in scene at another of disclosure exemplary embodiment, described reduce currently playing regarding according to preset ratio
Frequently picture is before obtaining scale visual picture, including:
Obtain whether sensor detects more than two continuous print direction vector values；
When described sensor detects the continuous print direction vector value of more than two, activate stabilization pattern；
The size of the continuous print direction vector value of relatively described more than two, according to described sensor detect bigger
Scale smaller standard corresponding to one direction vector value determines described preset ratio.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: in the mobile terminal of user,
The video stabilization pattern of intelligent opening terminal when shake being detected, and determine video according to the vector size detected when shaking
Picture reduces ratio so that picture can be more intelligently by the direction vector value detected when intelligent opening stabilization pattern
Determine the size of scale visual picture, thus can have enough regions when video pictures compensates for scale visual picture moving
Compensate.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, reducing according to preset ratio
When currently playing video pictures is to obtain scale visual picture, including:
Obtain the central point of described currently playing video pictures；
By described scale visual picture point on the basis of described central point, according to the length of described currently playing video pictures
Wide ratio carries out reducing of preset ratio；
Make when obtaining described scale visual picture, described scale visual picture and the screen at this scale visual picture place
Moving area is there is between margin.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: it is said that in general, video pictures
Central point is the optic centre point of user, the benchmark formed by this central point, makes video pictures reduce according to a certain percentage,
So that be respectively provided with the moving area that can compensate between scale visual picture and each skirt of video pictures.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, by described scale visual picture
When moving to the direction contrary with described synthetic vector value so that described scale visual picture is compensated, including:
Obtain that described synthetic vector is worth scale visual picture moves integrally direction；
Obtain described scale visual picture at the described global displacement moved integrally on direction；
Judge the size of the spacing at the described moving area moved integrally on direction and described global displacement；
When described global displacement is less than or equal to the spacing of described moving area, by described scale visual picture according to institute
State and move integrally the opposite direction in direction and compensate；
When described global displacement is more than the spacing of described moving area, abandon the benefit to described scale visual picture
Repay.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: obtain scale visual by calculating
The displacement in the direction that picture can move, when scale visual picture can realize mobile in the direction and displacement, then mends
Repay operation；And scale visual picture has not been able to when the displacement of the direction realizes mobile, then abandon the picture of comparative example video pictures
Face compensates, it is achieved the intelligent compensation to picture.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described according to preset ratio contracting
Little currently playing video pictures before obtaining scale visual picture, including:
Obtain sensor and detect the angle vector value obtained；
When described angle vector value is more than a predetermined threshold value, activates stabilization pattern, reduce according to preset ratio and currently broadcast
The video pictures put is to obtain scale visual picture.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: in a certain mode, pass through
Angle vector activates stabilization pattern, and angle vector value is different from direction vector value, it is possible to obtain it by different sensors
The vector value that correspondence detects, angle vector value is typically obtained by gyroscope and is detecting that angle vector value is preset more than one
During threshold value, it is possible to open the stabilization pattern of video pictures intelligently.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, obtain sensor detection and obtain
Synthetic vector value time, including:
Obtain sensor and detect the direction vector value obtained；
Obtain sensor and detect the angle vector value obtained；
Synthetic vector value is drawn according to described direction vector value and described angle vector value.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: in the disclosure, pass through direction
The direction that vector value can obtain according to different synthetic vector values is contrary from the synthetic vector value of angle vector value arranges compensation.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described method also includes:
When the direction vector value that acquisition sensor detection obtains is zero, described scale visual picture is preset according to described
Recovery ratio corresponding to ratio is recovered；
Wherein, the inverse of the numerical value that numerical value is described preset ratio of described recovery ratio.
Embodiment of the disclosure that the technical scheme of offer can include following beneficial effect: at the end of stabilization pattern, root
According to the reduced scale of the stabilization pattern of user, making scale visual picture recovery to former video pictures, basis is original the most intelligently
Comparative example video pictures scaled down reciprocal be amplified, make described scale visual picture recovery, pole can be brought for user
Good physical ability.
Second aspect, the disclosure additionally provides a kind of device alleviating video pictures shake, its concrete technical scheme bag
Include as follows: described device includes:
Scale smaller module, is arranged to reduce currently playing video pictures according to preset ratio and regards to obtain ratio
Frequently picture；
Acquisition module, is arranged to obtain sensor and detects the synthetic vector value obtained；
Compensating module, is arranged to move described scale visual picture to the direction contrary with described synthetic vector value
So that described scale visual picture is compensated.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described device also includes:
Second acquisition module, is arranged to obtain whether sensor detects more than two continuous print direction vector values；
Active module, is arranged to when described sensor detects the continuous print direction vector value of more than two, swashs
Stabilization pattern alive；
Comparison module, is arranged to the size of the continuous print direction vector value of described in comparison more than two, according to described
The scale smaller standard corresponding to a bigger direction vector value that sensor detects is to determine described preset ratio.
In conjunction with another aspect, in a kind of implementation being likely to occur on the other hand, described scale smaller module bag
Include:
Center obtains submodule, is arranged to obtain the central point of described currently playing video pictures；
Aspect Ratio reduces submodule, is arranged to described scale visual picture point on the basis of described central point,
Reducing of preset ratio is carried out according to the length-width ratio of described currently playing video pictures；
Moving area module, is arranged to make when obtaining described scale visual picture, described scale visual picture
And there is moving area between the screen margin at this scale visual picture place.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described compensating module includes:
Direction obtains submodule, and being arranged to obtain described synthetic vector is worth moving integrally of scale visual picture
Direction；
Displacement obtains submodule, be arranged to obtain described scale visual picture described move integrally on direction whole
Displacement body；
Judge submodule, be arranged to judge that the spacing at the described moving area moved integrally on direction is with described
The size of global displacement；
Opposite direction compensates submodule, is arranged to be less than or equal to the spacing of described moving area at described global displacement
Time, described scale visual picture is compensated according to the described opposite direction moving integrally direction；
Abandoning submodule, be arranged to when described global displacement is more than the spacing of described moving area, it is right to abandon
The compensation of described scale visual picture.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described device also includes:
Angle vector acquisition module, is arranged to obtain sensor and detects the angle vector value obtained；
Second active module, is arranged to, when described angle vector value is more than a predetermined threshold value, activate stabilization pattern,
Currently playing video pictures is reduced to obtain scale visual picture according to preset ratio.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described acquisition module includes:
First direction obtains submodule, is arranged to obtain sensor and detects the direction vector value obtained；
First angle obtains submodule, is arranged to obtain sensor and detects the angle vector value obtained；
Computing module, is arranged to draw synthetic vector according to described direction vector value and described angle vector value
Value.
In conjunction with on the other hand, in a kind of implementation being likely to occur on the other hand, described device also includes:
Recover module, be arranged to when the direction vector value that acquisition sensor detection obtains is zero, by described ratio
Video pictures recovers according to the recovery ratio corresponding to described preset ratio；Wherein, the numerical value of described recovery ratio is institute
State the inverse of the numerical value of preset ratio.
It should be appreciated that it is only exemplary and explanatory, not that above general description and details hereinafter describe
The disclosure can be limited.
Accompanying drawing explanation
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the disclosure
Example, and for explaining the principle of the disclosure together with description.
Fig. 1 is the flow chart according to a kind of method alleviating video pictures shake shown in an exemplary embodiment.
Fig. 2 is the schematic flow sheet according to the activation process shown in an exemplary embodiment.
The schematic flow sheet that Fig. 3 compensates according to the video pictures shown in an exemplary embodiment.
Fig. 4 is the position view according to the moving area shown in an exemplary embodiment.
Fig. 5 is the block diagram according to a kind of device alleviating video pictures shake shown in an exemplary embodiment.
Fig. 6 is the block diagram of the device according to a kind of device alleviating video pictures shake shown in an exemplary embodiment.
Detailed description of the invention
With embodiment, the disclosure is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the disclosure, rather than restriction of this disclosure.It also should be noted that, in order to just
The part relevant to the disclosure is illustrate only rather than entire infrastructure in description, accompanying drawing.
It should be mentioned that, some exemplary embodiments are described as before being discussed in greater detail exemplary embodiment
The process described as flow chart or method.Although each step is described as by flow chart order process, but therein permitted
Multi-step can be implemented concurrently, concomitantly or simultaneously.Additionally, the order of each step can be rearranged, when it operates
When completing, described process can be terminated, it is also possible to have other step being not included in accompanying drawing.Process processes permissible
Corresponding to method, function, code, subroutine, subprogram etc..
It relates to a kind of method alleviating video pictures shake, it mainly applies to watch video in the terminal
Or in the scene of the process shooting video, its basic thought is: viewing video pictures (viewing video and camera shooting
During video) open stabilization pattern intelligently, according to certain scale smaller video pictures so that reduce when shake being detected
After video pictures and the display screen edge of mobile terminal between there is certain space, by detection shake time direction
Or angle vector so that video pictures compensates according to direction or the rightabout of angle vector or angle so that
The optic centre of the user watching this video can keep on video pictures after the compensation, and the eyes for user provide vision
Protection, greatly improves the viewing experience of user.
Fig. 1 is the schematic flow sheet of a kind of method alleviating video pictures shake described in the disclosure, the example of the disclosure
Property embodiment be applicable to intelligent terminal viewing video in the case of, it can perform with the control device in terminal, wherein
This control device can be realized by software and/or hardware, usually can be integrated in mobile terminal, as it is shown in figure 1, described side
Method specifically includes following steps:
In step 110, currently playing video pictures is reduced to obtain scale visual picture according to preset ratio；
The video pictures play in the terminal, the display screen generally according to terminal is displayed in full screen, and according to presetting
During the currently playing video pictures of scale smaller, then reduce according to the edge ratio of the display screen of terminal, to obtain ratio
Example reduces picture.
In some implement scene, described video pictures may carry out split screen display available in the display screen of described terminal,
So that the multiple application programs including video pictures can be run within display screen, now, to described simultaneously
Time when video pictures reduces to obtain scale visual picture, then should be with the ratio of display screen shared by described video pictures
Benchmark when reducing for it, such as, during split screen, video pictures accounts for the 1/2 of display screen, then scale smaller picture with this 1/2
Carry out scale smaller on the basis of the center of display screen, and the edge ratio being had according to this 1/2 display screen contracts
Little.
In the step 120, obtain sensor and detect the synthetic vector value obtained；
In this step, in terminal, presumable sensor has potentially included varied, such as gravity sensor, direction sensing
Device, angular transducer (gyroscope) and pressure transducer etc., and for when shake being detected or rocking, each by obtaining
Sensor detects the vector value obtained, and obtains the synthetic vector value that sensor detects.
Described synthetic vector value is the single vector value that obtains of each sensor detection to be carried out Vector operation draw, it is permissible
It is a two dimension value, such as, includes the synthetic vector value of direction planar and angle, it is also possible to be a three-dimensional value, such as plane
Interior direction, angle and this plane vector value on the video that the direction that display screen is vertical is carried out moves.
In this step, when obtaining the synthetic vector value that sensor detection obtains, specifically comprise the steps that acquisition sensor inspection
The direction vector value recorded；Obtain sensor and detect the angle vector value obtained；According to described direction vector value and described
Angle vector value draws synthetic vector value.
When obtaining the direction vector value of sensor, sensor pass through detect obtain amount on direction (as speed,
Acceleration, power etc.) size, in addition it is also necessary to the direction of detection limit, and when angle vector value being detected, needing this angle vector
In the three-dimensional vector of the amount of being added to, and then show that disclosed method is required in order to compensating proportion video picture by certain algorithm
The synthetic vector value that face is moved.
In step 130, described scale visual picture is moved to the direction contrary with described synthetic vector value with to institute
State scale visual picture to compensate.
Described video pictures reduces according to preset ratio, and show the most on the display screen draws for a scale visual
Face, after obtaining described synthetic vector value in the step 120, makes described scale visual picture according to the phase of described synthetic vector value
Anti-direction is moved, and wherein, the rightabout of synthetic vector value, can be the rightabout on a direction in plane, as
X-axis direction in plane, it is also possible to for the rightabout in both direction in platform, such as the x in plane and y-axis direction, meanwhile,
It is likely to as three directions in stereoeffect, such as three-dimensional x, y and z axes direction.
When the vector shake in plane is compensated, the vector value in this plane can be calculated one
Synthetic vector value to carry out rightabout compensation to this synthetic vector value, and during for the vector shake of three-dimensional aspect, then may be used
First the vector to this solid aspect resolves and draws a plane vector and be directed to the 3rd arrow of this plane vector
Amount, when carrying out the compensation of video pictures, it is possible to first compensate the plane vector value of video pictures, then vows the 3rd
The opposite direction of value compensates, i.e. for more three-dimensional vector angle, it is also possible to by the method for the present invention to solid
Vector carries out resolving and entering plane vector value, and then compensates video pictures according to the rightabout of plane vector value.
The operation principle of disclosed method: the video pictures in the display screen of terminal, it is in shake or rocks
Direction vector constantly is generally shake the most planar or rocks, by calculating one or two sensors when shake
The direction recorded or vector value so that the video pictures play when shaking or rock is according to the negative side of synthetic vector value
To compensating so that this video pictures can be held in place putting motionless, by the benefit of synthetic vector value on video effect
Repay and achieve the good result making video pictures the most motionless.
On the basis of technique scheme, before carrying out step 110, it is also possible to whether opening or activate stabilization
Pattern carries out intellectual determination, so that avoid the selection of the manually opened stabilization of user, more enhances user to product
Impression, as in figure 2 it is shown, open the schematic flow sheet of stabilization pattern, the implementation process of this part for disclosure exemplary embodiment
Comprise the steps:
In step 210, obtain whether sensor detects more than two continuous print direction vector values；
Practical situation residing for terminal is extremely complex and is in the middle of change, and therefore, not all terminal exists
Occur that being required for opening during stabilization pattern makes in described terminal the video pictures play during shake reduces, described in need not making
Video pictures makes video pictures reduce when reducing or need not enter in stabilization pattern, and the experience that may cause user is the best
And the product impression good opinion reduction etc. to terminal, accordingly, it would be desirable to judge whether that according to practical situation needs are opened the most intelligently
Open stabilization pattern.
In a step 220, when described sensor detects the continuous print direction vector value of more than two, activate stabilization mould
Formula；
In this step, judge by the way of detection sensor whether continuous several times detects direction vector value be currently
No it is in shake situation.
By detecting and judge one of them sensor or the most by detecting multiple sensors therein
Secondary when being consecutively detected different direction vector values, it is determined that current terminal is in shake, is playing the end of video pictures
End device needs to open stabilization pattern.
More than two (comprising two) continuous print direction vector values, can tentatively conclude that current shake is even not due to user
Right movement causes, but actual environment residing for terminal and the connection shake that causes or rock.
In step 230, the preset ratio reduced is determined；
In the enforcement scene of disclosure exemplary embodiment, by the continuous print direction vector of relatively described more than two
The size of value, determines according to the scale smaller standard corresponding to the bigger direction vector value that described sensor detects
Described preset ratio.
In disclosure exemplary embodiment, ratio when can reduce video pictures is configured, according to the play of shake
Strong degree and the different ratios that reduces is set, it is however generally that, shake the most violent time, its scale visual picture is the least, and shakes
Time relatively slight, then can the most somewhat increase described scale visual picture.
Arrange according to different shake situations and different reduce ratio, at least two direction vector activating stabilization pattern
In value, according to the ratio corresponding to the scope residing for the most violent direction vector value that sensor detects, video is drawn
Face reduces.
Another kind of in disclosure exemplary embodiment is implemented in scene, before described step 110, it is also possible to by detection
The different situations of angle vector value determine whether open stabilization pattern, by between this angular transducer and direction sensor not
Being with part, angular transducer more can be embodied in situation during shake, and its concrete step includes the following:
In step 240, obtain sensor and detect the angle vector value obtained；
This step can be carried out with step 230 simultaneously, or select to obtain the vector of a kind of sensor therein when carrying out
Value.
This step can obtain angle vector value by the gyro sensor in terminal.
In step 250, when described angle vector value is more than a predetermined threshold value, stabilization pattern is activated, according to default ratio
Example reduces currently playing video pictures to obtain scale visual picture.
When the angle vector value acquired is more than a predetermined threshold value, such as this predetermined threshold value can be one in slight jitter
In the case of predetermined threshold value, such as on gravity direction with original weight force direction deviate 3 ° time can determine whether now for shake or shake
Dynamic, then can be set to predetermined threshold value by 3 °, when the angle included by described angle vector value is more than deviation original weight force direction 3 °
Then can activate stabilization pattern, i.e. after this step, the most also can carry out step 230.
When activating stabilization pattern according to angle vector value, it reduces ratio and makes adjustment with being suitable for, to be different from by side
Ratio is reduced to vector value.
Disclosure exemplary embodiment, on the basis of above-described embodiment, adds intelligent opening by the way of different and prevents
Tremble pattern and the ratio that reduces of video pictures be set according to the different shake situation of severe degree, activate stabilization pattern it
After described scale visual picture can be set the most intelligently.
Fig. 3 show the process schematic during compensation of disclosure exemplary embodiment offer, and it passes through when compensating to move
Dynamic scale visual picture makes to be compensated, to realize in the motionless effect of the scale visual picture of the optic centre of user, such as Fig. 3
Shown in, its concrete implementation process includes the following:
In the step 310, the central point of described currently playing video pictures is obtained；
Identical with step 110, no matter whether its currently playing video pictures occupies display screen whole of terminal
Or in split screen display available, then, when obtaining central point all on the basis of currently playing video pictures, current broadcasting pictures is
Rectangle, then this central point is the intersection point of rectangular cross line of former video pictures, owing to the edge of broadcasting pictures is not limited to as square
Shape, within therefore its central point is also possible to change, but no matter which kind of change is in the protection domain of the disclosure.
In step 320, by described scale visual picture point on the basis of described central point, according to described currently playing
The length-width ratio of video pictures carries out reducing of preset ratio；
Point on the basis of the central point of former video pictures, according to the length-width ratio of former video pictures to the scale visual after reducing
Picture carries out reducing of preset ratio, the central point of the scale visual picture after reducing and the center position phase of former video pictures
With, Aspect Ratio is the most identical with the Aspect Ratio of former video pictures.
Another kind of in disclosure exemplary embodiment is implemented in scene, and video pictures can not have length-width ratio, such as, exist
Broadcasting to video shows that picture can be circular by software design, when i.e. its video pictures does not exists length-width ratio, still can lead to
The mode crossing the center reference point determining video pictures carries out scale smaller to it.
As shown in Figure 4, for the schematic diagram of the position of moving area, in a step 330, make obtaining described scale visual
During picture, between the screen margin at described scale visual picture and this scale visual picture place, there is moving area.
After scale visual picture reduces according to preset ratio, and exist between the screen margin put of former video pictures can
Moving area, work when this moving area is that synthetic vector value is compensated by described scale visual picture under shaking situation
Dynamic region.
All described scale visual picture can be compensated in the region, upper and lower, left and right of described moving area.
When scale visual picture compensates, will described scale visual picture to contrary with described synthetic vector value
When direction is moved to compensate described scale visual picture, owing to synthetic vector value may be excessive, scale visual is caused to draw
The picture that face has surmounted described moving area when compensating and user is watched is imperfect, for avoiding this kind of situation to send out
Raw, can follow the steps below, it specifically includes:
In step 340, detection picture moving direction；
Obtain that described synthetic vector is worth scale visual picture moves integrally direction；
The directional information comprised according to described synthetic vector value, draw scale visual picture moves integrally direction.
In step 350, the displacement on picture moving direction is calculated；
Obtain described scale visual picture at the described global displacement moved integrally on direction；
According to certain formula algorithm, calculate described scale visual picture at the global displacement moving integrally on direction
Size.
In step 360, it is judged that whether displacement is more than the width of moving area；
Judge the size of the spacing at the described moving area moved integrally on direction and described global displacement；
Relatively described global displacement and the size of the described described moving area moved integrally on direction, this process bag
Include:
Such as, when described move integrally direction for (right, upper and lower) to the left time, then judge that global displacement to the left is with described
The size of the width of a left side (right, the upper and lower) side position of moving area.
In step 370, opposite direction compensates；
When described global displacement is less than or equal to the spacing of described moving area, the most described scale visual picture can be according to
The described opposite direction moving integrally direction compensates.
In step 380, when described global displacement is more than the spacing of described moving area, abandon described ratio is regarded
Frequently the compensation of picture.
In step 390, make prompting, it is proposed that stop viewing.
Disclosed method is when shaking situation and being excessively violent, and the video pictures watched due to user may be due to not
Can all show, therefore it is not recommended that comparative example video pictures compensates again, but suggestion user stops viewing, thinks that user carries
For more fully eye protection.
On the basis of technique scheme, when shake or situation of rocking disappear, less scale visual picture is carried
Supply user's viewing may make user feel inadaptable, thereby also reduces the experience of user, therefore, in above each enforcement
When method described in scene terminates to shake disappearance afterwards, then carrying out the recovery of video pictures, its concrete process includes the following:
In step 140, when the direction vector value that acquisition sensor detection obtains is zero, by described scale visual picture
Recover according to the recovery ratio corresponding to described preset ratio；
Detect all kinds of vector values that each sensor acquires, including gravity, direction and angle vector value etc., when it is vowed
When value is 0, then it represents that present terminal is no longer on shaking situation, to enter recovering step.
When entering stabilization pattern, video pictures narrows down to scale visual picture according to the default ratio that reduces, and is inciting somebody to action
When scale visual picture recovery is to video pictures, then recover according to recovery ratio.
Wherein, the inverse of the numerical value that numerical value is described preset ratio of described recovery ratio, thus ensure that scale visual is drawn
Face can be recovered to former video pictures.
The structural representation of the device alleviating video pictures shake that Fig. 5 provides for disclosure exemplary embodiment, this dress
Put and can be realized by software and/or hardware, be usually integrated in terminal, can come real by the method alleviating video pictures shake
Existing.As it is shown in figure 5, the present embodiment can be based on above-described embodiment, it is provided that a kind of device alleviating video pictures shake,
It mainly includes scale smaller module 510, acquisition module 520, compensating module 530.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described device also includes:
Second acquisition module 540, is arranged to obtain whether sensor detects more than two continuous print direction vectors
Value；
Active module 550, is arranged to when described sensor detects the continuous print direction vector value of more than two,
Activate stabilization pattern；
Comparison module 560, is arranged to the size of the continuous print direction vector value of described in comparison more than two, according to institute
State the scale smaller standard corresponding to a bigger direction vector value that sensor detects to determine described preset ratio.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described scale smaller module 510 includes:
Center obtains submodule, is arranged to obtain the central point of described currently playing video pictures；
Aspect Ratio reduces submodule, is arranged to described scale visual picture point on the basis of described central point,
Reducing of preset ratio is carried out according to the length-width ratio of described currently playing video pictures；
Moving area module, is arranged to make when obtaining described scale visual picture, described scale visual picture
And there is moving area between the screen margin at this scale visual picture place.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described compensating module 530 includes:
Direction obtains submodule, and being arranged to obtain described synthetic vector is worth moving integrally of scale visual picture
Direction；
Displacement obtains submodule, be arranged to obtain described scale visual picture described move integrally on direction whole
Displacement body；
Judge submodule, be arranged to judge that the spacing at the described moving area moved integrally on direction is with described
The size of global displacement；
Opposite direction compensates submodule, is arranged to be less than or equal to the spacing of described moving area at described global displacement
Time, described scale visual picture is compensated according to the described opposite direction moving integrally direction；
Abandoning submodule, be arranged to when described global displacement is more than the spacing of described moving area, it is right to abandon
The compensation of described scale visual picture.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described device also includes:
Angle vector acquisition module, is arranged to obtain sensor and detects the angle vector value obtained；
Second active module, is arranged to, when described angle vector value is more than a predetermined threshold value, activate stabilization pattern,
Currently playing video pictures is reduced to obtain scale visual picture according to preset ratio.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described acquisition module 520 includes:
First direction obtains submodule, is arranged to obtain sensor and detects the direction vector value obtained；
First angle obtains submodule, is arranged to obtain sensor and detects the angle vector value obtained；
Computing module, is arranged to draw synthetic vector according to described direction vector value and described angle vector value
Value.
Another kind of in disclosure exemplary embodiment is implemented in scene, and described device also includes:
Recover module, be arranged to when the direction vector value that acquisition sensor detection obtains is zero, by described ratio
Video pictures recovers according to the recovery ratio corresponding to described preset ratio；Wherein, the numerical value of described recovery ratio is institute
State the inverse of the numerical value of preset ratio.
The device alleviating video pictures shake provided in above-described embodiment can perform in the disclosure institute in any embodiment
The method alleviating video pictures shake provided, possesses the execution corresponding functional module of the method and beneficial effect, not above-mentioned
In embodiment describe in detail ins and outs, can be found in provided in disclosure any embodiment alleviate video pictures shake
Method.
It is to be appreciated that the disclosure also extends to the computer program being suitable for the disclosure being tried out, particularly
Computer program on carrier or in carrier.Program can be compiled with source code, object code, code intermediate source and such as part
The form of the object code of the form translated, or with any other be suitable in realization according to the disclosed method use shape
Formula.Also it is to be noted that, such program is likely to be of many different frame design.Such as, it is achieved according to the side of the disclosure
Functional program code of method or system may be subdivided into one or more subroutine.
For will be obvious for technical personnel at the functional many different modes of these subroutine intermediate distribution.
Subroutine can be collectively stored in an executable file, thus forms self-contained program.Such executable file can
To include computer executable instructions, such as processor instruction and/or interpreter instruction (such as, Java interpreter instruction).Can
Alternatively, one or more or all subroutines of subroutine may be stored at least one external library file, and
And statically or dynamically link (the most at runtime) with mastery routine.Mastery routine contains at least one in subroutine
At least one call.Subroutine can also include function call each other.Relate to the embodiment bag of computer program
Include corresponding to the computer executable instructions of each step of the process step of at least one method in illustrated method.These refer to
Order can be subdivided into subroutine and/or be stored in one or more may be in the static or file of dynamic link.
Another embodiment relating to computer program include corresponding in illustrated system and/or product at least
The computer executable instructions of each device in the device of.These instructions can be subdivided into subroutine and/or be stored
In the file of one or more possible static state or dynamic link.
The carrier of computer program can be any entity or the device that can deliver program.Such as, carrier can wrap
Containing storage medium, such as (ROM such as CDROM or quasiconductor ROM) or magnetic recording media (such as floppy disk or hard disk).Enter
One step ground, carrier can be the carrier that can transmit, such as electricity or optical signalling, its can via cable or optical cable, or
Person is transmitted by radio or other means.When program is embodied as such signal, carrier can be by such cable
Or device forms.Alternatively, carrier can be the integrated circuit being wherein embedded with program, and described integrated circuit is suitable for holding
Row correlation technique, or for used by the execution of correlation technique.
Should be noted that, embodiment mentioned above is to illustrate the disclosure rather than limit the disclosure, and this
The technical staff in field can design many alternate embodiments, without departing from scope of the following claims.In power
During profit requires, any reference marks being placed between round parentheses is not to be read as being limitations on claims.Verb " bag
Include " and its paradigmatic use be not excluded for those except recording in the claims in addition to element or the depositing of step
?.Article " one " before element or " one " are not excluded for the existence of a plurality of such element.The disclosure can be passed through
Including the hardware of several visibly different elements, and realized by properly programmed computer.Enumerating several device
In device claim, several in these devices can be embodied by the same item of hardware.At mutually different appurtenance
Profit states in requiring that the simple fact of some measure is not intended that the combination of these measures can not be used to benefit.
If desired, difference in functionality discussed herein can perform with different order and/or perform simultaneously with one another.
Additionally, if desired, one or more functions described above can be optional or can be combined.
If desired, the most each step is not limited to the execution sequence in each embodiment, different step
Can perform with different order and/or perform simultaneously with one another.Additionally, in other embodiments, described above one or many
Individual step can be optional or can be combined.
Although various aspects of the disclosure is given in the independent claim, but the other side of the disclosure include from
The feature of described embodiment and/or there is the combination of dependent claims of feature of independent claims, and the most only
It it is the combination be clearly given in claim.
The most to be noted is, although the foregoing describe the example embodiment of the disclosure, but these describe not
Should understand in a limiting sense.On the contrary, several changing and modifications can be carried out to want without departing from the most appended right
The scope of the present disclosure defined in asking.
Will be appreciated by those skilled in the art that each module in the device of disclosure embodiment can be with general meter
Calculating device to realize, each module can concentrate on single calculating device or calculate in the group of networks that device forms, and the disclosure is real
Executing the device in example and correspond to the method in previous embodiment, it can be realized by executable program code, it is also possible to logical
The mode crossing integrated circuit combination realizes, and therefore the disclosure is not limited to specific hardware or software and combination thereof.
Will be appreciated by those skilled in the art that each module in the device of disclosure embodiment can be with general shifting
Dynamic terminal realizes, and each module can concentrate in the device combination of single mobile terminal or mobile terminal composition, the disclosure
Device in embodiment is corresponding to the method in previous embodiment, and it can realize, also by editing executable program code
Can realize by the way of integrated circuit combination, therefore the disclosure is not limited to specific hardware or software and knot thereof
Close.
Fig. 6 is according to a kind of device 800 for alleviating video pictures jittering device shown in an exemplary embodiment
Block diagram.Such as, device 800 can be mobile phone, computer, digital broadcast terminal, messaging device, game console,
Board device, medical treatment device, body-building device, personal digital assistant etc..
With reference to Fig. 6, device 800 can include following one or more assembly: processes assembly 802, memorizer 804, power supply
Assembly 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814, and
Communications component 816.
Process assembly 802 and generally control the integrated operation of device 800, such as with display, call, data communication, phase
The operation that machine operation and record operation are associated.Process assembly 802 and can include that one or more processor 820 performs to refer to
Order, to complete all or part of step of above-mentioned method.Additionally, process assembly 802 can include one or more module, just
Mutual in process between assembly 802 and other assemblies.Such as, process assembly 802 and can include multi-media module, many to facilitate
Media component 808 and process between assembly 802 mutual.
Memorizer 804 is configured to store various types of data to support the operation at device 800.Showing of these data
Example includes any application program for operation on device 800 or the instruction of method, contact data, telephone book data, disappears
Breath, picture, video etc..Memorizer 804 can be by any kind of volatibility or Nonvolatile memory devices or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), erasable compile
Journey read only memory (EPROM), programmable read only memory (PROM), read only memory (ROM), magnetic memory, flash
Device, disk or CD.
The various assemblies that power supply module 806 is device 800 provide power supply.Power supply module 806 can include power management system
System, one or more power supplys, and other generate, manage and distribute, with for device 800, the assembly that power supply is associated.
The screen of one output interface of offer that multimedia groupware 808 is included between described device 800 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive the input signal from user.Touch panel includes one or more touch sensing
Device is with the gesture on sensing touch, slip and touch panel.Described touch sensor can not only sense touch or sliding action
Border, but also detect the persistent period relevant to described touch or slide and pressure.In certain embodiments, many matchmakers
Body assembly 808 includes a front-facing camera and/or post-positioned pick-up head.When device 800 is in operator scheme, such as screening-mode or
During video mode, front-facing camera and/or post-positioned pick-up head can receive the multi-medium data of outside.Each front-facing camera and
Post-positioned pick-up head can be a fixing optical lens system or have focal length and optical zoom ability.
Audio-frequency assembly 810 is configured to output and/or input audio signal.Such as, audio-frequency assembly 810 includes a Mike
Wind (MIC), when device 800 is in operator scheme, during such as call model, logging mode and speech recognition mode, mike is joined
It is set to receive external audio signal.The audio signal received can be further stored at memorizer 804 or via communication set
Part 816 sends.In certain embodiments, audio-frequency assembly 810 also includes a speaker, is used for exporting audio signal.
I/O interface 812 provides interface for processing between assembly 802 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, put striking wheel, button etc..These buttons may include but be not limited to: home button, volume button, start button and lock
Set button.
Sensor cluster 814 includes one or more sensor, for providing the state of various aspects to comment for device 800
Estimate.Such as, what sensor cluster 814 can detect device 800 opens/closed mode, the relative localization of assembly, such as described
Assembly is display and the keypad of device 800, and sensor cluster 814 can also detect device 800 or 800 1 assemblies of device
Position change, the presence or absence that user contacts with device 800, device 800 orientation or acceleration/deceleration and device 800
Variations in temperature.Sensor cluster 814 can include proximity transducer, is configured to when not having any physical contact detect
The existence of neighbouring object.Sensor cluster 814 can also include optical sensor, such as CMOS or ccd image sensor, is used for becoming
Use as in application.In certain embodiments, this sensor cluster 814 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure transducer or temperature sensor.
Communications component 816 is configured to facilitate the communication of wired or wireless mode between device 800 and other devices.Device
800 can access wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.An exemplary enforcement
In example, communications component 816 receives the broadcast singal from external broadcasting management system or broadcast related information via broadcast channel.
In one exemplary embodiment, described communications component 816 also includes near-field communication (NFC) module, to promote junction service.Example
As, can be based on RF identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology,
Bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, device 800 can be by one or more application specific integrated circuits (ASIC), numeral letter
Number processor (DSP), digital signal processing device (DSPD), programmable logic element (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components realize, be used for performing said method.
In the exemplary embodiment, a kind of non-transitory computer-readable recording medium including instruction, example are additionally provided
As included the memorizer 804 of instruction, above-mentioned instruction can have been performed said method by the processor 820 of device 800.Such as,
Described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Note, above are only preferred embodiment and institute's application technology principle of the disclosure.It will be appreciated by those skilled in the art that
The disclosure is not limited to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute the protection domain without departing from the disclosure.Therefore, although by above example, the disclosure is carried out
It is described in further detail, but the disclosure is not limited only to above example, in the case of conceiving without departing from the disclosure, also
Other Equivalent embodiments more can be included, and the scope of the present disclosure is determined by scope of the appended claims.
Claims (14)
1. the method alleviating video pictures shake, it is characterised in that described method includes:
Currently playing video pictures is reduced to obtain scale visual picture according to preset ratio；
Obtain sensor and detect the synthetic vector value obtained；
Move described scale visual picture is entered to the direction contrary with described synthetic vector value by described scale visual picture
Row compensates.
Method the most according to claim 1, it is characterised in that described reduce currently playing video according to preset ratio and draw
Face before obtaining scale visual picture, including:
Obtain whether sensor detects more than two continuous print direction vector values；
When described sensor detects the continuous print direction vector value of more than two, activate stabilization pattern；
The size of the continuous print direction vector value of relatively described more than two, bigger one detected according to described sensor
Scale smaller standard corresponding to direction vector value determines described preset ratio.
Method the most according to claim 1, it is characterised in that reducing currently playing video pictures according to preset ratio
During to obtain scale visual picture, including:
Obtain the central point of described currently playing video pictures；
By described scale visual picture point on the basis of described central point, according to the length-width ratio of described currently playing video pictures
Carry out reducing of preset ratio；
Make when obtaining described scale visual picture, described scale visual picture and the screen margin at this scale visual picture place
Between there is moving area.
Method the most according to claim 3, it is characterised in that by described scale visual picture to described synthetic vector value
When contrary direction is moved to compensate described scale visual picture, including:
Direction is moved integrally according to what described synthetic vector was worth scale visual picture；
Obtain described scale visual picture at the described global displacement moved integrally on direction；
Judge the size of the spacing at the described moving area moved integrally on direction and described global displacement；
When described global displacement is less than or equal to the spacing of described moving area, by described scale visual picture according to described whole
The opposite direction of body moving direction compensates；
When described global displacement is more than the spacing of described moving area, abandon the compensation to described scale visual picture.
5. the method for claim 1, it is characterised in that described reduce currently playing video pictures according to preset ratio
Before obtaining scale visual picture, including:
Obtain sensor and detect the angle vector value obtained；
When described angle vector value is more than a predetermined threshold value, activates stabilization pattern, reduce according to preset ratio currently playing
Video pictures is to obtain scale visual picture.
6. the method for claim 1, it is characterised in that when obtaining the synthetic vector value that sensor detection obtains, including:
Obtain sensor and detect the direction vector value obtained；
Obtain sensor and detect the angle vector value obtained；
Synthetic vector value is drawn according to described direction vector value and described angle vector value.
Method the most according to claim 1, it is characterised in that described method also includes:
When the direction vector value that acquisition sensor detection obtains is zero, by described scale visual picture according to described preset ratio
Corresponding recovery ratio is recovered；
Wherein, the inverse of the numerical value that numerical value is described preset ratio of described recovery ratio.
8. the device alleviating video pictures shake, it is characterised in that described device includes:
Scale smaller module, is arranged to reduce currently playing video pictures according to preset ratio and draws to obtain scale visual
Face；
Acquisition module, is arranged to obtain sensor and detects the synthetic vector value obtained；
Compensating module, is arranged to move with right described scale visual picture to the direction contrary with described synthetic vector value
Described scale visual picture compensates.
Device the most according to claim 1, it is characterised in that described device also includes:
Second acquisition module, is arranged to obtain whether sensor detects more than two continuous print direction vector values；
Active module, is arranged to when described sensor detects the continuous print direction vector value of more than two, activates anti-
Tremble pattern；
Comparison module, is arranged to the size of the continuous print direction vector value of described in comparison more than two, according to described sensing
The scale smaller standard corresponding to a bigger direction vector value that device detects is to determine described preset ratio.
Device the most according to claim 1, it is characterised in that described scale smaller module includes:
Center obtains submodule, is arranged to obtain the central point of described currently playing video pictures；
Aspect Ratio reduces submodule, is arranged to described scale visual picture point on the basis of described central point, according to
The length-width ratio of described currently playing video pictures carries out reducing of preset ratio；
Moving area module, is arranged to make when obtaining described scale visual picture, described scale visual picture with should
Moving area is there is between the screen margin at scale visual picture place.
11. devices according to claim 10, it is characterised in that described compensating module includes:
Direction obtains submodule, is arranged to be worth the side of moving integrally of scale visual picture according to described synthetic vector
To；
Displacement obtains submodule, is arranged to obtain described scale visual picture in the described overall position moved integrally on direction
Move；
Judge submodule, be arranged to judge in the spacing of the described moving area moved integrally on direction and described entirety
The size of displacement；
Opposite direction compensates submodule, is arranged to when described global displacement is less than or equal to the spacing of described moving area,
Described scale visual picture is compensated according to the described opposite direction moving integrally direction；
Abandon submodule, be arranged to, when described global displacement is more than the spacing of described moving area, abandon described
The compensation of scale visual picture.
12. devices according to claim 1, it is characterised in that described device also includes:
Angle vector acquisition module, is arranged to obtain sensor and detects the angle vector value obtained；
Second active module, is arranged to, when described angle vector value is more than a predetermined threshold value, activate stabilization pattern, according to
Preset ratio reduces currently playing video pictures to obtain scale visual picture.
13. devices according to claim 1, it is characterised in that described acquisition module includes:
First direction obtains submodule, is arranged to obtain sensor and detects the direction vector value obtained；
First angle obtains submodule, is arranged to obtain sensor and detects the angle vector value obtained；
Computing module, is arranged to draw synthetic vector value according to described direction vector value and described angle vector value.
14. devices according to claim 1, it is characterised in that described device also includes:
Recover module, be arranged to when the direction vector value that acquisition sensor detection obtains is zero, by described scale visual
Picture recovers according to the recovery ratio corresponding to described preset ratio；Wherein, the numerical value of described recovery ratio is described pre-
If the inverse of the numerical value of ratio.
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| CN201610391304.4A CN106101527A (en) | 2016-06-03 | 2016-06-03 | Alleviate the method and device of video pictures shake |
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| CN201610391304.4A CN106101527A (en) | 2016-06-03 | 2016-06-03 | Alleviate the method and device of video pictures shake |
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| CN107046652A (en) * | 2016-11-22 | 2017-08-15 | 乐视控股（北京）有限公司 | A kind of video jitter modification method, device and electronic equipment |
| CN108181991A (en) * | 2018-01-19 | 2018-06-19 | 厦门美图移动科技有限公司 | Image display method and device and electronic equipment |
| CN108307076A (en) * | 2018-03-12 | 2018-07-20 | 宁波大学 | A kind of mobile intelligent terminal video stabilization method |
| CN109600513A (en) * | 2018-11-30 | 2019-04-09 | 努比亚技术有限公司 | A kind of mobile terminal and its screen realize the method, apparatus and storage medium of stabilization |
| CN109885368A (en) * | 2019-01-31 | 2019-06-14 | 维沃移动通信有限公司 | A kind of interface display anti-fluttering method and mobile terminal |
| CN110139141A (en) * | 2019-04-28 | 2019-08-16 | 腾讯科技（深圳）有限公司 | Video pictures rendering method, device, storage medium and electronic equipment |
| CN110769147A (en) * | 2018-07-25 | 2020-02-07 | 北京小米移动软件有限公司 | Shooting method and electronic equipment |
| CN113766133A (en) * | 2021-09-17 | 2021-12-07 | 维沃移动通信有限公司 | Video recording method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107046652A (en) * | 2016-11-22 | 2017-08-15 | 乐视控股（北京）有限公司 | A kind of video jitter modification method, device and electronic equipment |
| CN108181991A (en) * | 2018-01-19 | 2018-06-19 | 厦门美图移动科技有限公司 | Image display method and device and electronic equipment |
| CN108307076A (en) * | 2018-03-12 | 2018-07-20 | 宁波大学 | A kind of mobile intelligent terminal video stabilization method |
| CN110769147A (en) * | 2018-07-25 | 2020-02-07 | 北京小米移动软件有限公司 | Shooting method and electronic equipment |
| CN109600513A (en) * | 2018-11-30 | 2019-04-09 | 努比亚技术有限公司 | A kind of mobile terminal and its screen realize the method, apparatus and storage medium of stabilization |
| CN109885368A (en) * | 2019-01-31 | 2019-06-14 | 维沃移动通信有限公司 | A kind of interface display anti-fluttering method and mobile terminal |
| CN110139141A (en) * | 2019-04-28 | 2019-08-16 | 腾讯科技（深圳）有限公司 | Video pictures rendering method, device, storage medium and electronic equipment |
| CN110139141B (en) * | 2019-04-28 | 2021-10-15 | 腾讯科技（深圳）有限公司 | Video picture rendering method and device, storage medium and electronic equipment |
| CN113766133A (en) * | 2021-09-17 | 2021-12-07 | 维沃移动通信有限公司 | Video recording method and device |
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Application publication date: 20161109 |