CN105847662A - Moving object shooting method based on mobile terminal, and mobile terminal - Google Patents
Moving object shooting method based on mobile terminal, and mobile terminal Download PDFInfo
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- CN105847662A CN105847662A CN201510346595.0A CN201510346595A CN105847662A CN 105847662 A CN105847662 A CN 105847662A CN 201510346595 A CN201510346595 A CN 201510346595A CN 105847662 A CN105847662 A CN 105847662A
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Abstract
The invention belongs to the technical field of data processing, and provides a moving object shooting method based on a mobile terminal, and the mobile terminal. In the embodiment of the invention, the mobile terminal is provided with at least one first image acquisition device and at least one second image acquisition device, wherein the first image acquisition device is used for image acquisition in a static status, and the second image acquisition device is used for image acquisition in a multi-directional rotation status. The method comprises the following steps: starting the first image acquisition device and the second image acquisition device; obtaining movement data of a moving object captured at least by the first image acquisition device; generating shooting parameters of the second image acquisition device according to the movement data; and controlling the second image acquisition device to shoot a picture of the moving object according to the shooting parameters. The method and the mobile terminal provided by the invention have the advantages that the implementation cost is low; the picture of the moving object, in which a target is clear but a background is ambiguous, can be shot by a user through ''foolproof'' operation, and no special shooting skills are needed, so that the operation is simple, and the use is convenient.
Description
Technical field
The application relates to technical field of data processing based on mobile terminal, particularly relates to a kind of base
Moving object image pickup method and a kind of mobile terminal in mobile terminal.
Background technology
In daily life, in order to represent superb Techniques for Photography, it is thus achieved that visual effect is preferably photographed
Works, people generally like shooting that some are all as shown in Figure 1, and target is clear but blurred background
The picture of moving object.
In order to shoot the picture of this effect, not only need to select high performance capture apparatus, also need
People are wanted to have the most superb shooting skill.Such as, people need to use relatively costly, performance
Higher slr camera, employing is followed shooting skill and is completed the shooting of picture as shown in Figure 1.Institute
Meaning is followed shooting skill and is then required that user at least accomplishes following 4 points:
The first, follow shot equipment is wanted steadily；
The second, suitable slow-speed shutter is selected；
3rd, focusing should be accurate；
4th, the opportunity tripped is got hold of.
Obviously, aforesaid operations not " foolproof ", skill change is loaded down with trivial details, and general user is difficult to hold；
And, high performance capture apparatus is relatively costly, and general user is also difficult to bear.
Summary of the invention
In view of the above problems, it is proposed that the embodiment of the present application in case provide one overcome the problems referred to above or
Person solve at least in part the problems referred to above a kind of based on mobile terminal moving object image pickup method and
Corresponding a kind of mobile terminal.
In order to solve the problems referred to above, the embodiment of the present application discloses a kind of motion based on mobile terminal
Object image pickup method, described mobile terminal is provided with at least one first image capture device and extremely
Few second image capture device, described first image capture device is under static state entering
Row image acquisition, described second image capture device is for when can carry out figure when multiple-directional rotating
As gathering；
Described method includes:
Start described first image capture device and the second image capture device；
Obtain the exercise data of the moving object at least captured by described first image capture device；
According to described exercise data, generate the acquisition parameters of described second image capture device；
Control described second image capture device according to described acquisition parameters described moving object is carried out
Shooting.
In order to solve the problems referred to above, the embodiment of the present application also discloses a kind of mobile terminal, described shifting
In dynamic terminal, at least one first image capture device is installed and at least one second image acquisition sets
Standby, described first image capture device is used under static state carrying out image acquisition, and described second
Image capture device is for when can carry out image acquisition when multiple-directional rotating；
Described mobile terminal includes:
Start module, be used for starting described first image capture device and the second image capture device；
Motion capture module, for obtaining at least by described first image capture device capture
The exercise data of moving object；
Acquisition parameters generation module, for according to described exercise data, generates described second image and adopts
The acquisition parameters of collection equipment；
Taking module, for controlling described second image capture device to institute according to described acquisition parameters
State moving object to shoot.
Compared with prior art, the application has the advantage that
First, the application by install on mobile terminals at least one first image capture device and
At least one second image capture device can realize the shooting to moving object, with high performance bat
The equipment of taking the photograph is compared, and the cost that the application realizes is relatively low；Further, user only needs to use " foolproof " operation
Can shoot that target is clear but the picture of the moving object of blurred background, it is not necessary to particularly shoot skill
Ingeniously, simple to operate, easy to use.
Furthermore, the application can be by least by the moving object of described first image capture device capture
The acquisition parameters that the exercise data of body is generated, controls the second image capture device to described motion
Object shoots.In this case, the moving object being taken remains at the second image
The same position of collecting device view finder, so that moving object relative to the second vision facilities is
Static, static background is motion relative to the second vision facilities, thus makes on picture
Moving object be then to seem the fuzzy lines of flowing than more visible background, it is thus achieved that preferably vision
Effect.
Additionally, due to the angle that in the application, the second image capture device rotates and the fortune of moving object
Dynamic speed consistent, it is not necessary to user moves mobile terminal at shooting process, it is to avoid user moves bat
Jiggly problem when taking the photograph；In the application the second image capture device automatically according to acquisition parameters to fortune
Animal body shoots, it is not necessary to user selects slow-speed shutter and holds the opportunity tripped, it is to avoid
The instant movement object not problem in coverage in exposure, it is not necessary to user grasps superb bat
Take the photograph skill.
The mobile terminal of the application can also pass through at least one first image capture device and at least one
Individual second vision facilities obtains the movement velocity of moving object, it is not necessary to user selects according to moving object
Select movement velocity rank, it is to avoid the movement velocity rank that user selects differs with moving object speed
The problem caused, improves the accuracy of exercise data, thus ensures the degree of accuracy of acquisition parameters, protects
It is static for having demonstrate,proved moving object relative to the second vision facilities, improves the clear of moving object shooting
Clear degree.
Finally, due to the mobile terminal of the application can pass through at least two the first image capture device
Obtain the exercise data of moving object, it is to avoid because of before rotary taking with shooting after the position of photographic head
Different and cause the actual relative spacing of dual camera and angle and start setting up in systems most
Parameter the problem of deviation occurs, further ensure the accuracy of the exercise data of acquisition, and
Improve the degree of accuracy of acquisition parameters, improve the definition of moving object shooting.So can obtain
Obtain more preferably visual effect.
Accompanying drawing explanation
Fig. 1 is a moving object clearly schematic diagram of the picture of blurred background；
Fig. 2 is a kind of based on mobile terminal the moving object image pickup method embodiment 1 of the application
Flow chart of steps；
Fig. 3 is a kind of rotating camera the showing of installation site at two dimensional surface of the embodiment of the present application
It is intended to；
Fig. 4 is a kind of rotating camera the showing of the direction of motion at two dimensional surface of the embodiment of the present application
It is intended to；
Fig. 5 is a kind of based on mobile terminal the moving object image pickup method embodiment 2 of the application
Flow chart of steps；
Fig. 6 is the schematic diagram of the rotation direction of a kind of rotating camera example of the embodiment of the present application；
Fig. 7 is a kind of based on mobile terminal the moving object image pickup method embodiment 3 of the application
Flow chart of steps；
Fig. 8 is a kind of based on mobile terminal the moving object image pickup method embodiment 4 of the application
Flow chart of steps；
Fig. 9 is the structured flowchart of the embodiment 1 of a kind of mobile terminal of the application.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the application, feature and advantage to become apparent from, below in conjunction with
The application is described in further detail by the drawings and specific embodiments.
Shooting to moving object, generally can use high-speed shutter to solidify the dynamic of moment, dash forward
Go out moving object or the details of performance motion.Want to allow picture be full of innervation, it is possible to use and follow
Image pickup method, controls the clear of moving object and static background well with slow-speed shutter and camera motion
And fog-level, reach that moving object is clear, blurred background, both given lucid and lively motion impression,
Ensureing that again moving object has enough abundant details, be association of activity and inertia, picture seems to dazzle very much the most dynamic.
Obtain this picture effect generally can use the Techniques for Photography following shooting by user
Realize.In simple terms, the principle following shooting is, in the moment of exposure, due to moving object phase
Mobile terminal for motion is static, and static background is relative to the mobile terminal of motion
Being mobile, thus making the moving object on picture is then to seem flowing than more visible background
Fuzzy lines, thus form strong dynamic visual impact.Follow shooting success, close
Key is that user smoothly to press shutter during dollying equipment, and fast pressing
Behind the door, it is impossible to stop camera lens and follow rotation, the angle of capture apparatus to be kept rotation and moving object
The movement velocity of body consistent, makes moving object remain at the identical bits of capture apparatus view finder
Put, until shutter release is complete.
But in practice, the shooting operation ability of each user is limited, such as, often clap
Angle and the movement velocity of moving object that equipment of taking the photograph rotates are inconsistent；Or, pressing the most behind the door,
Moving object is not held in the same position of capture apparatus view finder, i.e. cannot ensure in exposure
Moment, moving object is static relative to the mobile terminal of motion；Or, in the moment of exposure,
Moving object is beyond coverage, it is possible to shooting is less than moving object.It can be seen that use
Existing technology, it is desirable to photograph that target as shown in Figure 1 is clear but the moving object of blurred background
Picture, the requirement to capture apparatus and user's Techniques for Photography is the highest.
For the problems referred to above, present inventor creatively proposes the core structure of the embodiment of the present application
One of think of is, is provided with at least one first image capture device and at least one on mobile terminals
Individual second image capture device, by least being obtained the fortune of moving object by the first image capture device
Dynamic data generate acquisition parameters, then use acquisition parameters to control the second image capture device to fortune
Animal body shoots.Operate so that user uses mobile terminal to carry out simply " foolproof "
Photographed that target as shown in Figure 1 is clear but the picture of the moving object of blurred background.
With reference to Fig. 2, it is shown that a kind of based on mobile terminal the moving object image pickup method of the application is real
Execute the flow chart of steps of example 1, in the present embodiment, described mobile terminal is provided with at least one
First image capture device and at least one second image capture device, specifically, this first figure
As collecting device is under static state carrying out image acquisition, this second image capture device is used for
When image acquisition can be carried out when multiple-directional rotating.
In the present embodiment, the method specifically may comprise steps of:
Step 101, starts the first image capture device and the second image capture device；
In the embodiment of the present application, mobile terminal is provided with at least one first image capture device
With at least one the second image capture device.For example, it is possible to arrange 1 the first image on mobile phone
Collecting device and 1 the second image capture device, it is also possible to 2 the first images are set on mobile phone
Collecting device and 1 the second image capture device, it is also possible to 3 the first images are set on mobile phone
Collecting device and 1 the second image capture device, or, mobile phone arranges 2 the first images
Collecting device and 2 the second image capture devices etc..Those skilled in the art appoint according to practical situation
Meaning arrange, the application to this without being any limitation as.
In the embodiment of the present application, when needing the shooting carrying out moving object, such as, user beats
Driving camera, and open moving object screening-mode, the control system of mobile terminal can be by referring to
The first image capture device in current mobile terminal and the second image capture device are opened in order simultaneously.
According to different application scenarios, described first image capture device and the second image capture device are permissible
Opening according to instruction, asynchronous unlatching simultaneously, be all turned on or part is opened, this is not limited by the application
System.
For ease of understanding, the first image being used under static state carrying out image acquisition can be adopted
Collection equipment is interpreted as static camera, by when can carry out the of image acquisition when multiple-directional rotating
Two image capture devices are interpreted as rotating camera.Wherein, static camera is fixing camera,
Static camera is identical with the photographic head that major part mobile terminal carries at present.Rotating camera is can
With multiple-directional rotating or the photographic head of movement, the following two kinds can be included:
The first:
In two dimensional surface, having a criss-cross track, rotating camera is positioned in such as Fig. 3
Shown centre position；This rotating camera can be along this criss-cross track, such as Fig. 4 institute
Show up and down, left and right slip.The direction that rotating camera is slided is equivalent to cam movement
Direction, mixes different speed and just can shoot the moving object that movement velocity is different.
The second:
One rotating camera is fixed on an initial point, and centered by this initial point, in its institute
Three-dimensional planar on rotate.This rotating camera i.e. has an initial point, it is ensured that initial point is motionless, can
With up and down, left and right direction rotary motion.Such as, there is the warm-up before a kind of exercise
Free-standing exercise, wherein has the joint to be: head movement.When doing head movement, cervical region is motionless, head
Portion to forward and backward, turn left and right, the crown point to direction can be varied from.Rotating camera is just
Being based on this principle, first rotating camera be fixed on an initial point, initial point is motionless (quite
Cervical region in time doing head movement is motionless), photographic head is centered by initial point, up and down, left and right
Rotate (head when being equivalent to do head movement to forward and backward, turn left and right), the mirror of photographic head
The direction that head points to also will be varied from, and namely can follow captured moving object together
Motion, the image so shot, it is simply that moving object clearly remaining motionless background object
Fuzzy.
The mobile terminal of the embodiment of the present application i.e. mobile communication terminal, refers to use in movement
Computer equipment, have the most powerful disposal ability, internal memory, solidification storage medium and picture
The operating system that computer is the same, is a complete superminicomputer system, can be mobile phone,
Notebook, panel computer, digital camera etc., this is not any limitation as by the embodiment of the present application.
Step 102, obtains the motion number of the moving object at least captured by the first image capture device
According to；
After described first image capture device and the second image capture device start, user often may be used
The picture gathered to the first image capture device with preview on the display screen of mobile terminal.Due to fortune
Animal body position in preview screen can be with different over time, and mobile terminal is by dividing
Analysis image data can obtain the exercise data of moving object.
Such as, when moving object occurs in the preview screen of mobile phone, preview screen has for one second
30 frame pictures, mobile terminal can be according to former frame moving object position in picture and present frame
Calculating is compared in moving object position in picture, gets the exercise data of moving object.
In a preferred embodiment of the present application, the control system of mobile terminal receive at least by
Image (the figure being presented in preview screen that first image capture device (static camera) gathers
Picture).By analyzing the characteristic of moving object in picture, and it is tracked, can get and work as
The exercise data of the moving object of front shooting.
A kind of example specifically applied as the application, described exercise data can include moving object
Movement velocity and the direction of motion.Such as, after static camera collects image data, picture
Data are sent to control system；Control system just can analyze image data after receiving image data,
And obtain the direction of motion of moving object.Those skilled in the art use either one according to practical situation
Formula select any one exercise data to carry out data process be all feasible, the application to this without adding
To limit.
Step 103, according to exercise data, generates the acquisition parameters of the second image capture device；
When after the exercise data obtaining moving object, it is possible to use this exercise data and corresponding
Computational methods, by calculating acquisition parameters.Such as, acquisition parameters can include velocity of rotation,
Rotation direction, shooting angle, shutter speed etc..
Step 104, controls the second image capture device according to acquisition parameters and claps moving object
Take the photograph.
After obtaining acquisition parameters, the control system of mobile terminal just can be according to acquisition parameters control
The moving object of current preview is shot by the second image capture device.Such as, rotation is driven to take the photograph
As head is according to rotation direction and velocity of rotation uniform rotation, keep the angle that rotating camera rotates
Consistent with the movement velocity of moving object, make moving object being shot remain at rotating camera and take
The same position of scape device, and control rotating camera and automatically gather image data, it is ensured that in exposure
Moment, moving object is in coverage.
Such as, the velocity of rotation that the control system of mobile terminal calculates, rotation direction, shutter speed
Degree is v2 respectively, to the left, 1/1000 second, just drives rotating camera to turn left according to v2,
Moving object is made to remain at the same position of rotating camera view finder, i.e. moving object phase
Rotating camera is kept static, and drives rotating camera according to 1/1000 while rotating
Moving object is shot by the shutter speed of second.
In the embodiment of the present application, can be by obtaining at least by the first image capture device capture
Exercise data, generates the acquisition parameters of the second image capture device, and controls the according to acquisition parameters
Two image capture devices, drive the second image capture device to rotate, keep the second image capture device
The angle rotated is consistent with the movement velocity of moving object, so that moving object remains at
The same position of the second image capture device view finder, it is not necessary to user is mobile eventually at shooting process
End, it is to avoid follow shot equipment jiggly problem, it is ensured that in the moment of exposure, moving object
It is static relative to the mobile terminal of motion；Drive the second image capture device according to acquisition parameters pair
Moving object shoots, it is not necessary to user selects slow-speed shutter and holds the opportunity tripped, it is to avoid
At the instant movement object of exposure not in coverage, it is ensured that photograph moving object clearly,
Decreasing the shooting operation of user, solving shooting moving object needs user to grasp tracking bat simultaneously
The problem taking the photograph skill, improves the simplicity of operation.Therefore, the mobile terminal of the application, with high property
The capture apparatus of energy is compared, simple to operate, and low cost.
With reference to Fig. 5, it is shown that a kind of based on mobile terminal the moving object image pickup method of the application
The flow chart of steps of embodiment 2.In a preferred embodiment of the present application, this exercise data bag
Include the direction of motion and movement velocity, as it is shown in figure 5, the method specifically may comprise steps of:
Step 201, starts the first image capture device and the second image capture device；
Step 202, receives the motion side of the moving object of at least one the first image capture device capture
To；
In the embodiment of the present application, the control system of mobile terminal receives at least one first image
The image data that collecting device is sent.For example, it is possible to receive 1 the first image capture device
The image data sent, it is also possible to receive the picture that 2 the first image capture devices are sent
Data, it is also possible to receive the image data that 3 the first image capture devices are sent, or,
Receive 1 the first image capture device and picture number that 1 the second image capture device is sent
According to etc..Those skilled in the art are arbitrarily arranged according to practical situation, the application to this without adding
To limit.
After the control system of mobile terminal receives image data, can obtain by analyzing image data
Take the characteristic of moving object, and moving object is tracked.According to former frame moving object
Position in picture and this frame moving object position in picture are compared, it is possible to judge
The direction of object of which movement, i.e. obtains the direction of motion of this moving object.This direction of motion can be phase
Relative direction to preview screen, Ke Yiwei: up and down, left and right.
As a kind of example of the application, the methods analyst picture data of difference image can be used.
The method of so-called difference image includes background difference method and inter-frame difference method.Such as, control
After system receives image data, compare the gray value of two two field picture corresponding pixel points, get figure
The characteristic of sheet data, determines moving object position in picture according to characteristic, compares
Adjacent two frames position in picture, it may be determined that the direction of motion of moving object.
Step 203, obtains preset movement velocity；
Mobile terminal pre-sets movement velocity rank, and each movement velocity rank represents difference
Movement velocity.User by selecting movement velocity rank, can arrange the motion speed of moving object
Degree.For example, it is possible to pre-set 5 movement velocity ranks in mobile phone, pedestrian can be respectively,
Bicycle, flying bird, motorcycle, automobile.Wherein, pedestrian can represent that movement velocity is less than 6km/h；
Bicycle can represent that movement velocity is between 6km/h～20km/h；Flying bird can represent movement velocity
Between 20km/h～25km/h；Motorcycle can represent movement velocity 25km/h～60km/h it
Between；Automobile can represent that movement velocity is more than 60km/h.If user is according to the moving object being taken,
The movement velocity rank selected is bicycle, and mobile phone receives the bicycle that user selects, and just obtains
The movement velocity corresponding with bicycle is 6km/h～20km/h.
Step 204, uses the direction of motion to calculate the rotation direction of this second image capture device；With
And, use movement velocity to calculate the velocity of rotation of this second image capture device；
In the embodiment of the present application, mobile terminal is prefixed the conversion pass of the direction of motion and rotation direction
System, by calculating, it is possible to determine rotation direction according to the direction of motion.This rotation direction is used for adjusting
The direction that whole second image capture device rotates.Such as, mobile phone can pre-set the direction of motion,
Can be respectively upwards, downwards, to the left, to the right；It is also provided with rotation direction, can be respectively
Northwards, southwards, eastwards, westwards；The transformational relation of the direction of motion and rotation direction can be with to
The rotation direction of upper correspondence is northwards, is to the south with the most corresponding rotation direction, with the most corresponding
Rotation direction be westwards, be eastwards with the most corresponding rotation direction.When the motion side got
To for downwards, control system is by the transformational relation of the direction of motion with rotation direction, it is possible to determine
Corresponding rotation direction is to the south.
Certainly, mobile terminal can also be according to the conversion of the movement velocity of system intialization Yu velocity of rotation
Relation, by calculating, determines the velocity of rotation corresponding with movement velocity.This velocity of rotation is used for adjusting
The speed degree that whole second image capture device rotates.Such as, mobile terminal can pre-set
Five velocities of rotation, can be defined as v1, v2, v3, v4, v5 for the time being, wherein corresponding with v1
Movement velocity be less than 6km/h, the movement velocity corresponding with v2 between 6km/h～20km/h, with
Movement velocity corresponding for v3 between 20km/h～25km/h, the movement velocity corresponding with v4
Between 25km/h～60km/h, the movement velocity corresponding with v5 is more than 60km/h.When mobile terminal
It is 7km/h that control system obtains movement velocity, logical lookup, determines that 7km/h is in the fortune corresponding with v2
In dynamic velocity interval.Just can generate velocity of rotation is v2.
Step 205, controls the second image capture device to this according to described rotation direction and velocity of rotation
Moving object shoots；
Step 206, after completing shooting, controls the second image capture device and replys initial position.
When the second image capture device completes the shooting to moving object, mobile terminal will control
Two image capture devices rotate back into initial position, it is ensured that after the picture is taken with front second image acquisition of shooting
Equipment and the relative spacing of the first image capture device, and angle is the same.
In order to make those skilled in the art be more fully understood that the embodiment of the present application, below use concrete
Example illustrates for the application.
User can use mobile terminal such as mobile phone, shoots the object moved right.Should
Mobile phone is mounted with dual camera, and one of them photographic head is static camera, and another photographic head is
Rotating camera.Concrete operating procedure includes:
110, first user starts dual camera, starts preview；
120, user selects to enter into moving camera shooting pattern；
130, under moving camera shooting pattern, user can select to want according to moving object to be shot
The movement velocity rank of the object of shooting；
Mobile phone receives the movement velocity rank that user selects, and obtains corresponding with this movement velocity rank
Movement velocity.Such as, user select movement velocity rank be bicycle, control system according to
The movement velocity rank that user selects, the movement velocity got is 6km/h～20km/h.
140, when moving object to be shot enters and takes the photograph picture, user presses shooting key.
After mobile phone detects that user presses shooting key, static camera is driven to gather image data, so
The direction of motion got by the image data collected afterwards is to the right.Control system is according to acquisition
The direction of motion arrived and movement velocity, the rotation direction generated by calculating is eastwards, velocity of rotation
For v2, then driving rotating camera to rotate, as shown in Figure 6, the camera in figure is equivalent to rotate
Photographic head, the camera rotation direction in figure is i.e. the rotation direction of rotating camera, the main body in figure
The direction of motion is i.e. the direction of motion of object, and A illustrates rotating camera to start to gather image data
Time moving object place position, B represents that rotating camera is gathering moving object during image data
The position at body place, C represents the position at moving object place when rotating camera completes to gather image data
Putting, rotating camera rotates eastwards, and velocity of rotation is v2, and shoots with animal body simultaneously.
After mobile phone obtains expected effect picture, rotating camera is driven to rotate back into initially by control system
Position, completes the shooting to moving object.
According to the embodiment of the present application, user can only press shutter and i.e. shoots key and select moving camera shooting
Pattern, and setting the speed step of doing exercises of object before, mobile terminal just can be by quiet
Only the direction of motion and the preset movement velocity of photographic head detection generates acquisition parameters, and according to control
Rotating camera is automatically performed the shooting to moving object.Compared with high performance capture apparatus, this
The mobile terminal cost of application is relatively low；Further, user only needs to use " foolproof " operation to shoot
The target clearly picture of the moving object of blurred background, it is not necessary to particularly shooting skill, operation letter
Single, easy to use.
With reference to Fig. 7, it is shown that a kind of based on mobile terminal the moving object image pickup method of the application
The flow chart of steps of embodiment 3, specifically may comprise steps of:
Step 301, starts the first image capture device and the second image capture device；
Step 302, receives the motion side of the moving object of at least one the first image capture device capture
To；
Step 303, obtains at least one first image capture device and at least one second image acquisition
Equipment, the move distance in the moving object unit interval of capture；
Mobile terminal can survey range capability according to dual camera, obtains the movement velocity of moving object.
But premise is the relative spacing of two photographic head and angle immobilizes, and is installing dual camera
Time distance and angle can be written in system and can not arbitrarily change.Specifically, mobile terminal
Receive the image data that dual camera is sent, by comparing the picture of the same frame of dual camera
Data, and according to the relative spacing of dual camera and angle, moving object can be calculated to every
The distance of one photographic head.
In the embodiment of the present application, the control system of mobile terminal receives static camera and rotation
After the image data that photographic head is sent, can draw in preview in this frame flag moving object current
Position in face, then in labelling next frame moving object position in preview screen, by meter
Calculate, it is possible to obtain the distance of the corresponding physical location of the point of the two labelling to static camera, with
And angle formed by the line of two corresponding physical locations and static camera.The point of two labellings
Corresponding physical location and static camera, a triangle, wherein, two labellings can be formed
The corresponding physical location of point to the distance of static camera be triangle two limits value (a and
B), angle formed by the line of the corresponding physical location of the two and photographic head is the folder on these two limits
Angle (θ), the moving object process corresponding in realistic model with the two of preview screen labelling points
The distance of two points is the value (c) on Article 3 limit.Since it is known a, b and θ, so use triangle
The shape cosine law (c2=a2+b2-2ab cos θ), so can be obtained by triangle Article 3 limit
Value (c), i.e. can obtain and the two of preview screen labelling moving objects that point is corresponding in actual scene
The distance of two points of body process.
Step 304, calculates this moving object according to the move distance in the moving object unit interval
Movement velocity；
Because the time of two frame periods is it is known that control system calculates moving object within this time
The distance of process, it is possible to according to the ratio of distance with time, get the motion of moving object
Speed.
Step 305, uses the direction of motion to calculate the rotation direction of this second image capture device；With
And, use movement velocity to calculate the velocity of rotation of this second image capture device；
Step 306, controls the second image capture device to this according to described rotation direction and velocity of rotation
Moving object shoots；
Step 307, after completing shooting, controls the second image capture device and replys initial position.
In the embodiment of the present application, static camera and rotating camera gather image data respectively,
And all image data is sent to the control system of mobile terminal.Mobile terminal control system receives
After the image data that static camera and rotating camera are sent, static can take the photograph by calculating this
The image data sent as head, obtains the direction of motion of moving object, can be by static shooting
Head detects the direction of motion of object.Additionally, Mobile terminal control system can also be somebody's turn to do by calculating
The image data that static camera is sent, and the image data that this rotating camera is sent,
Draw the distance that moving object was moved in the unit interval, use this distance to calculate the fortune of moving object
Dynamic speed.Control system, by calculating, determines the rotation direction corresponding with this direction of motion, with this
The velocity of rotation that movement velocity is corresponding, and other acquisition parameters.After determining acquisition parameters, mobile
Terminal drives rotating camera to rotate according to rotation direction and velocity of rotation by control system, makes
Obtain the same position that moving object remains at the view finder of mobile terminal of mobile telephone, and according to shooting
Moving object is shot by state modulator rotating camera.Mobile terminal just can shoot motion
The picture of the clear blurred background of object, then drives rotating camera to rotate back into former by control system
Beginning position, completes the shooting to moving object.
In order to make those skilled in the art be more fully understood that the embodiment of the present application, below use concrete
Example illustrates for the application.
Such as, user uses mobile phone, enters the object moved right and movement velocity is 7km/h
Row shooting.This mobile phone is mounted with dual camera, and one of them photographic head is static camera, another
Individual photographic head is rotating camera.Concrete operating procedure includes:
210, first user starts dual camera, starts preview；
220, user selects to enter into moving camera shooting pattern；
230, when moving object to be shot enters and takes the photograph picture, user presses shooting key.
After the control system of mobile phone detects that user presses shooting key, drive static camera and rotation
Camera collection image data, then the image data by collecting can calculate the direction of motion
For to the right, and movement velocity is 7km/h.Control system is according to the direction of motion got and fortune
Dynamic speed, the rotation direction generated by calculating is that velocity of rotation is v2 eastwards.Control system is driven
Dynamic rotating camera rotates, and rotating camera rotates eastwards, and velocity of rotation is v2, and gathers picture
Data.After mobile phone obtains expected effect picture, rotating camera is driven to go back to by control system
To initial position, complete the shooting to moving object.
According to the embodiment of the present application, user can only press shutter and i.e. shoots key and select to enter motion
Screening-mode, mobile terminal just can be by the motion captured by static camera and rotating camera
The acquisition parameters that the exercise data of object is generated, controls rotating camera to described moving object
Shoot, it is not necessary to user selects corresponding movement velocity rank according to moving object, enters one
Step simplifies shooting operating procedure, substantially increases the simplicity of operation.
Additionally, exercise data is by least one static camera and at least one in the embodiment of the present application
Individual rotating camera detects acquisition automatically, it is not necessary to user selects movement velocity rank, it is to avoid user
The movement velocity rank problem inconsistent with moving object speed selected, improves exercise data
Accuracy, thus ensure the degree of accuracy of acquisition parameters, it is ensured that moving object is relative to the second image
Equipment is static, improves the definition of moving object shooting.
With reference to Fig. 8, it is shown that a kind of based on mobile terminal the moving object image pickup method of the application
The flow chart of steps of embodiment 4.At least two the first image acquisition is installed on this mobile terminal set
Standby and at least one second image capture device.
As shown in Figure 8, the method specifically may comprise steps of:
Step 401, starts the first image capture device and the second image capture device；
Step 402, receives the motion side of the moving object of at least two the first image capture device capture
To and movement velocity；
In the embodiment of the present application, relative spacing and the angle of two static camera immobilizes.
When mounted, the relative spacing of double static camera and angle, the control of mobile terminal will be written into
System processed, and can not arbitrarily change.The control system of mobile terminal is by analyzing static camera
The image data sent, it is possible to obtain the direction of motion of moving object, and according to double static
The image data that the relative spacing of photographic head and angle and two static camera are sent, can obtain
Get the movement velocity of moving object.
Step 403, according to exercise data, generates the acquisition parameters of this second image capture device；
Step 404, controls this second image capture device according to acquisition parameters and carries out this moving object
Shooting；
Step 405, after completing shooting, controls the second image capture device and replys initial position.
In order to make those skilled in the art be more fully understood that the embodiment of the present application, below use concrete
Example illustrates for the application.
As a example by mobile phone, the method describing the present embodiment in detail.It is mounted with three shootings at this mobile phone
Head, two of which photographic head is static camera, and another photographic head is rotating camera.Such as,
User uses mobile phone, shoots the object moved right and movement velocity is 7km/h, tool
The operating procedure of body includes:
310, user starts double static camera, starts preview；
320, user selects to enter into moving camera shooting pattern；
330, when moving object to be shot enters and takes the photograph picture, user presses shooting key.
After mobile phone detects that user presses shooting key, double static camera is driven to gather image data,
Then can calculate the direction of motion of object for the right by image data, and movement velocity is 7
km/h.Control system is according to the direction of motion got and movement velocity, by turning that calculating generates
Dynamic direction is eastwards, and velocity of rotation is v2, then drives rotating camera to rotate.Rotating camera
Rotating eastwards, velocity of rotation is v2, and shoots moving object simultaneously.Mobile phone just photographs
Moving object clear and after the picture of blurred background, drive rotating camera to go back to by control system
To initial position, complete the shooting to moving object.
In the embodiment of the present application, mobile terminal can obtain moving object by two static camera
The exercise data of body, it is to avoid because of before shooting with shoot after the position of rotating camera different and lead
Cause the actual relative spacing of dual camera and angle and most start setting up parameter in systems and occur
The problem of deviation, it is ensured that the accuracy of the exercise data of acquisition, thus improve by exercise data
The degree of accuracy of the acquisition parameters generated so that moving object is static relative to the second vision facilities,
Improve the definition of moving object shooting.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as
A series of combination of actions, but those skilled in the art should know, and the embodiment of the present application is not
Limited by described sequence of movement, because according to the embodiment of the present application, some step can be adopted
By other orders or carry out simultaneously.Secondly, those skilled in the art also should know, description
Described in embodiment belong to preferred embodiment, involved action not necessarily the application
Necessary to embodiment.
With reference to Fig. 9, it is shown that the structured flowchart of the embodiment 1 of a kind of mobile terminal of the application.
In the embodiment of the present application, this mobile terminal is provided with at least one first image acquisition to set
Standby and at least one second image capture device, this first image capture device is in resting state
Under carry out image acquisition, this second image capture device is for when can carry out when multiple-directional rotating
Image acquisition.As it is shown in figure 9, this mobile terminal specifically can include such as lower module:
Start module 11, for starting the first image capture device and the second image capture device；
Motion capture module 12, for obtaining the fortune at least captured by the first image capture device
The exercise data of animal body；
Acquisition parameters generation module 13, for according to this exercise data, generates this second image acquisition
The acquisition parameters of equipment；
Taking module 14, for controlling this second image capture device to this moving object according to acquisition parameters
Body shoots.
In a preferred embodiment of the present application, this exercise data includes the direction of motion and motion speed
Degree, this motion capture module 12 includes:
The direction of motion receives submodule 12-11, is used for receiving at least one first image capture device and catches
The direction of motion of the moving object obtained；
Movement velocity obtains submodule 12-12, for obtaining preset movement velocity.
In a preferred embodiment of the present application, this exercise data includes the direction of motion and motion speed
Degree, this motion capture module 12 includes:
The direction of motion receives submodule 12-21, is used for receiving at least one first image capture device and catches
The direction of motion of the moving object obtained；
Move distance obtains submodule 12-22, be used for obtaining at least one first image capture device and
At least one second image capture device, the move distance in the moving object unit interval of capture；
Movement velocity calculating sub module 12-23, for according to the motion in this moving object unit interval
Distance calculates the movement velocity of this moving object.
In a preferred embodiment of the present application, this mobile terminal is provided with at least two first
Image capture device and at least one second image capture device, this exercise data includes the direction of motion
And movement velocity, this motion capture module 12 includes:
Motion capture submodule 12-31, is used for receiving at least two the first image capture device and catches
The direction of motion of the moving object obtained and movement velocity
In a preferred embodiment of the present application, acquisition parameters includes the second image capture device
Rotation direction and velocity of rotation, acquisition parameters generation module 13 includes:
Rotation direction calculating sub module 13-11, is used for using this direction of motion to calculate this second image
The rotation direction of collecting device；
Velocity of rotation calculating sub module 13-12, is used for using this movement velocity to calculate this second image
The velocity of rotation of collecting device.
In a preferred embodiment of the present application, this mobile terminal also includes:
Reseting module 15, for after completing shooting, controls at the beginning of the reply of this second image capture device
Beginning position.
For mobile terminal embodiment, due to itself and embodiment of the method basic simlarity, so retouching
That states is fairly simple, and relevant part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, each embodiment emphasis
Illustrate is all the difference with other embodiments, identical similar part between each embodiment
See mutually.
Those skilled in the art it should be appreciated that the embodiment of the embodiment of the present application can be provided as method,
Device or computer program.Therefore, the embodiment of the present application can use complete hardware embodiment,
Completely software implementation or the form of the embodiment in terms of combining software and hardware.And, this Shen
Please embodiment can use at one or more computers wherein including computer usable program code
Usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) is upper real
The form of the computer program executed.
The embodiment of the present application be with reference to according to the method for the embodiment of the present application, terminal unit (system) and
The flow chart of computer program and/or block diagram describe.It should be understood that can be by computer journey
Sequence instructs each flow process in flowchart and/or block diagram and/or square frame and flow chart
And/or the flow process in block diagram and/or the combination of square frame.These computer program instructions can be provided
To general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
The processor of equipment is to produce a machine so that processed by computer or other programmable datas
The instruction that the processor of terminal unit performs produces for realizing at one flow process of flow chart or multiple stream
The device of the function specified in journey and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide at computer or other programmable datas
In the computer-readable memory that reason terminal unit works in a specific way so that be stored in this calculating
Instruction in machine readable memory produces the manufacture including command device, and this command device realizes
One flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame are specified
Function.
These computer program instructions also can be loaded into computer or other programmable data processing terminals
On equipment so that on computer or other programmable terminal equipment perform sequence of operations step with
Produce computer implemented process, thus perform on computer or other programmable terminal equipment
Instruction provides for realizing at one flow process of flow chart or multiple flow process and/or one square frame of block diagram
Or the step of the function specified in multiple square frame.
Although have been described for the preferred embodiment of the embodiment of the present application, but those skilled in the art
Once know basic creative concept, then these embodiments can be made other change and amendment.
So, claims are intended to be construed to include preferred embodiment and fall into the embodiment of the present application
All changes of scope and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relation of such as first and second or the like
Term is used merely to separate an entity or operation with another entity or operating space, and not
Necessarily require or imply and there is the relation of any this reality or suitable between these entities or operation
Sequence.And, term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise, so that include the process of a series of key element, method, article or terminal unit not only
Including those key elements, but also include other key elements being not expressly set out, or also include for
The key element that this process, method, article or terminal unit are intrinsic.There is no more restriction
In the case of, statement " including ... " key element limited, it is not excluded that including described key element
Process, method, article or terminal unit there is also other identical element.
Above to a kind of based on mobile terminal moving object image pickup method and provided herein
Kind of mobile terminal, is described in detail, the specific case principle to the application used herein
And embodiment is set forth, the explanation of above example is only intended to help to understand the application's
Method and core concept thereof；Simultaneously for one of ordinary skill in the art, according to the application's
Thought, the most all will change, in sum, and this theory
Bright book content should not be construed as the restriction to the application.
Claims (12)
1. a moving object image pickup method based on mobile terminal, it is characterised in that described movement
At least one first image capture device is installed in terminal and at least one second image acquisition sets
Standby, described first image capture device is used under static state carrying out image acquisition, and described second
Image capture device is for when can carry out image acquisition when multiple-directional rotating；
Described method includes:
Start described first image capture device and the second image capture device；
Obtain the exercise data of the moving object at least captured by described first image capture device；
According to described exercise data, generate the acquisition parameters of described second image capture device；
Control described second image capture device according to described acquisition parameters described moving object is carried out
Shooting.
Method the most according to claim 1, it is characterised in that described exercise data includes fortune
Dynamic direction and movement velocity；
Described acquisition is at least by the exercise data of the moving object of described first image capture device capture
Step include:
Receive the direction of motion of the moving object of at least one the first image capture device capture described；
Obtain preset movement velocity.
Method the most according to claim 1, it is characterised in that described exercise data includes fortune
Dynamic direction and movement velocity；
Described acquisition is at least by the exercise data of the moving object of described first image capture device capture
Step include:
Receive the direction of motion of the moving object of at least one the first image capture device capture described；
Obtain at least one first image capture device described and at least one second image acquisition sets
Standby, in the moving object unit interval of capture move distance；
The fortune of described moving object is calculated according to the move distance in the described moving object unit interval
Dynamic speed.
Method the most according to claim 1, it is characterised in that install on described mobile terminal
There are at least two the first image capture device and at least one second image capture device, described motion
Data include the direction of motion and movement velocity；
Described acquisition is at least by the exercise data of the moving object of described first image capture device capture
Step include:
Receive described at least two the first image capture device capture moving object the direction of motion and
Movement velocity.
5. according to the method described in claim 2,3 or 4, it is characterised in that described shooting is joined
Number includes rotation direction and the velocity of rotation of the second image capture device；
Described according to exercise data, generate the step of the acquisition parameters of described second image capture device
Including:
The described direction of motion is used to calculate the rotation direction of described second image capture device；
And,
Described movement velocity is used to calculate the velocity of rotation of described second image capture device.
6. according to the method described in claim 1,2,3 or 4, it is characterised in that described method
Also include:
After completing shooting, control described second image capture device and reply initial position.
7. a mobile terminal, it is characterised in that be provided with on described mobile terminal at least one
One image capture device and at least one second image capture device, described first image capture device
Carry out image acquisition under static state, described second image capture device is for can be multidirectional
Image acquisition is carried out under the state rotated；
Described mobile terminal includes:
Start module, be used for starting described first image capture device and the second image capture device；
Motion capture module, for obtaining at least by described first image capture device capture
The exercise data of moving object；
Acquisition parameters generation module, for according to described exercise data, generates described second image and adopts
The acquisition parameters of collection equipment；
Taking module, for controlling described second image capture device to institute according to described acquisition parameters
State moving object to shoot.
Mobile terminal the most according to claim 7, it is characterised in that described exercise data bag
Include the direction of motion and movement velocity；
Described motion capture module includes:
The direction of motion receives submodule, is used for receiving at least one first image capture device described and catches
The direction of motion of the moving object obtained；
Movement velocity obtains submodule, for obtaining preset movement velocity.
Mobile terminal the most according to claim 7, it is characterised in that described exercise data bag
Include the direction of motion and movement velocity；
Described motion capture module includes:
The direction of motion receives submodule, is used for receiving at least one first image capture device described and catches
The direction of motion of the moving object obtained；
Move distance obtains submodule, be used for obtaining at least one first image capture device described and
At least one second image capture device, the move distance in the moving object unit interval of capture；
Movement velocity calculating sub module, for according to the motion in the described moving object unit interval away from
From the movement velocity calculating described moving object.
Mobile terminal the most according to claim 7, it is characterised in that described mobile terminal
On at least two the first image capture device and at least one second image capture device, institute are installed
State exercise data and include the direction of motion and movement velocity；
Described motion capture module includes:
Motion capture submodule, is used for receiving described at least two the first image capture device and catches
The direction of motion of the moving object obtained and movement velocity.
11. according to Claim 8, the mobile terminal described in 9 or 10, it is characterised in that described
Acquisition parameters includes rotation direction and the velocity of rotation of the second image capture device；
Described acquisition parameters generation module includes:
Rotation direction calculating sub module, is used for using the described direction of motion to calculate described second image
The rotation direction of collecting device；
Velocity of rotation calculating sub module, is used for using described movement velocity to calculate described second image
The velocity of rotation of collecting device.
12. according to the mobile terminal described in claim 7,8,9 or 10, it is characterised in that institute
State mobile terminal also to include:
Reseting module, for after completing shooting, controls at the beginning of described second image capture device reply
Beginning position.
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| CN201510346595.0A CN105847662A (en) | 2015-06-19 | 2015-06-19 | Moving object shooting method based on mobile terminal, and mobile terminal |
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| CN201510346595.0A CN105847662A (en) | 2015-06-19 | 2015-06-19 | Moving object shooting method based on mobile terminal, and mobile terminal |
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