CN102377934B - A kind of automatic zooming method of mobile terminal, device and mobile terminal - Google Patents

A kind of automatic zooming method of mobile terminal, device and mobile terminal Download PDF

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Publication number
CN102377934B
CN102377934B CN201010259886.3A CN201010259886A CN102377934B CN 102377934 B CN102377934 B CN 102377934B CN 201010259886 A CN201010259886 A CN 201010259886A CN 102377934 B CN102377934 B CN 102377934B
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mobile terminal
displacement
described mobile
zoom
rate
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CN102377934A (en
Inventor
冯明
王爱宝
谢晓军
陈康
关迎晖
郝颖
胡军军
乐建兵
陶彩霞
陈翀
高智衡
田熙清
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The disclosure provides a kind of automatic zooming method of mobile terminal, device and mobile terminal.The method comprises: direction of displacement and the rate of displacement of measuring described mobile terminal; According to the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal; The focal length of zoom parameters to mobile terminal according to mobile terminal adjusts.Method of the present invention, device and mobile terminal, by measuring the speed of mobile terminal, determine the zoom parameters of the camera of mobile terminal, automatically zoom adjustment is carried out to the camera of mobile terminal, automatically shooting focal length can be adjusted according to the change in displacement situation of mobile terminal, and then reach photographer and can click the object that menu directly changes shooting focal length, substantially increase simple operation.

Description

A kind of automatic zooming method of mobile terminal, device and mobile terminal
Technical field
The present invention relates to mobile terminal technology, particularly relate to a kind of automatic zooming method of mobile terminal, device and mobile terminal.
Background technology
Mobile Internet is as the combination of mobile service and the Internet, and becoming field with fastest developing speed at present, is also following 3G commercialization development trend.Under the main trend of mobile Internet development, mobile terminal will be not only communicating terminal, more become the carrier of emerging personalized digital media, utilize mobile terminal to take share photos whenever and wherever possible or video becomes day by day common application.
At present, if take pictures at mobile terminal or will change shooting focal length in video process, usually need to be completed by the mode clicking menu, complicated operation, speed is slow, also easily misses written in water right moment for camera.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of automatic zooming method of mobile terminal, can improve the convenience of the camera zoom operation of mobile terminal.
The invention provides a kind of automatic zooming method of mobile terminal, comprising:
Measure direction of displacement and the rate of displacement of mobile terminal;
According to the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal;
The focal length of zoom parameters to the camera of mobile terminal according to mobile terminal adjusts.
Further, comprise according to the step of the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal:
Determine amplify focal length or reduce focal length, according to the rate of displacement determination zoom magnification of mobile terminal according to the direction of displacement of mobile terminal.
Further, the method also comprises step:
Judge whether the rate of displacement of mobile terminal is greater than predetermined threshold, if so, then according to the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal; If not, then the focal length of mobile terminal camera is not adjusted.
Further, comprise according to the step of the rate of displacement determination zoom magnification of mobile terminal:
According to the camera zoom capabilities determination zoom magnification that rate of displacement and the mobile terminal of mobile terminal are supported.
The automatic zooming method of mobile terminal provided by the invention, by measuring the speed of mobile terminal, determine the zoom parameters of the camera of mobile terminal, automatically zoom adjustment is carried out to the camera of mobile terminal, do not need operator to carry out menu setecting, improve the convenience of the camera zoom operation of mobile terminal.
The technical problem that the present invention will solve is to provide a kind of Automatic zoom lens focusing device of mobile terminal, can improve the convenience of the camera zoom operation of mobile terminal.
The invention provides a kind of Automatic zoom lens focusing device of mobile terminal, comprising:
Displacement data measuring unit, for measuring direction of displacement and the rate of displacement of mobile terminal;
Zoom parameters determining unit, for according to the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal;
Focussing unit, adjusts for the focal length of zoom parameters to mobile terminal camera according to mobile terminal.
Further, displacement data measuring unit comprises:
Displacement signal acquisition module, for the displacement physical signalling of Negotiation speed sensor measurement mobile terminal, sends the displacement physical signalling measured;
Velocity of displacement determination module, for receiving the displacement physical signalling of the mobile terminal from displacement signal acquisition module, according to direction of displacement and the rate of displacement of the displacement physical signalling determination mobile terminal of mobile terminal.
Further, the camera zoom capabilities determination zoom magnification supported according to the rate of displacement of mobile terminal and mobile terminal of zoom parameters determination module.
Further, also comprise focusing judging unit, for receiving the velocity of displacement of the mobile terminal from displacement data measuring unit, judge whether the rate of displacement of mobile terminal is greater than predetermined threshold, if be greater than, then the velocity of displacement of mobile terminal is sent to zoom parameters determining unit, otherwise, the velocity of displacement of mobile terminal is not sent to zoom parameters determining unit.
The present invention also provides a kind of mobile terminal comprising above-mentioned Automatic zoom lens focusing device.
Automatic zoom lens focusing device of the present invention and mobile terminal, the velocity of displacement of mobile terminal is measured by displacement data measuring unit, by the zoom parameters of the camera of zoom parameters determining unit determination mobile terminal, by Focussing unit, automatically zoom adjustment is carried out to the camera of mobile terminal, do not need operator to carry out manual menu setecting, improve the convenience of the camera zoom operation of mobile terminal.
Accompanying drawing explanation
Fig. 1 illustrates the flow chart of an embodiment of the automatic zooming method of mobile terminal of the present invention;
Fig. 2 illustrates the flow chart of another embodiment of the automatic zooming method of mobile terminal of the present invention;
Fig. 3 illustrates the structure chart of an embodiment of the Automatic zoom lens focusing device of mobile terminal of the present invention;
Fig. 4 illustrates the structure chart of another embodiment of the Automatic zoom lens focusing device of mobile terminal of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
Fig. 1 illustrates the flow chart of an embodiment of the automatic zooming method of mobile terminal of the present invention.
As shown in Figure 1, in step 102, measure direction of displacement and the rate of displacement of mobile terminal.The movement of mobile terminal is such as measured by the velocity transducer (or inductor) on mobile terminal, the displacement physical signalling of output mobile terminal, by processing this displacement physical signalling, obtain the velocity of displacement of mobile terminal, i.e. the direction of displacement of mobile terminal and rate of displacement.
In step 104, according to the direction of displacement of mobile terminal and the zoom parameters of rate of displacement determination mobile terminal.The zoom parameters of mobile terminal such as comprises and zooms in or out focal length and zoom magnification.Can determine amplify focal length or reduce focal length, according to the rate of displacement determination zoom magnification of mobile terminal according to the direction of displacement of mobile terminal.When user releases mobile terminal forward, direction of displacement is just, then amplify focal length; Otherwise when pulling back mobile terminal, direction of displacement is negative, then reduce focal length.
In step 106, the focal length of zoom parameters to mobile terminal according to mobile terminal adjusts.After determining the zoom parameters of mobile terminal, the focal length of the camera of mobile terminal is adjusted automatically, realize the autozoom of mobile terminal.
Mobile terminal can be mobile phone terminal, panel computer, palmtop PC, the equipment such as smart mobile phone, PDA (PersonalDigitalAssistant, personal digital assistant).
In the above-described embodiments, by measuring the speed of mobile terminal, determine the zoom parameters of the camera of mobile terminal, automatically zoom adjustment is carried out to the camera of mobile terminal, automatically can adjust shooting focal length according to the change in displacement situation of mobile terminal, and then reach photographer and can click menu, directly by gesture change (such as, family is released forward mobile terminal or is pulled back mobile terminal) change the object of shooting focal length, lifting operation convenience greatly.
In one embodiment of the invention, according to the rate of displacement determination zoom magnification of mobile terminal.Such as, reaching 1 meter per second, be then 1.2 times of zooms, reach 2 meter per seconds when mobile terminal moves forward speed, is then 1.4 times of zooms.In an embodiment of method of the present invention, concrete velocity of displacement is relevant with the camera zoom capabilities of mobile terminal support to the relation of zoom magnification, the zoom magnification of the camera of the camera zoom capabilities determination mobile terminal supported according to the rate of displacement of mobile terminal and mobile terminal.According to the speed of mobile terminal and the zoom magnification of the zoom capabilities determination camera in conjunction with the camera of mobile terminal, the adjustment of autozoom more accurately can be realized.
Fig. 2 illustrates the flow chart of another embodiment of the automatic zooming method of mobile terminal of the present invention.
As shown in Figure 2, in step 202, user starts photo on mobile terminal or video capture application, the camera of initialization mobile terminal.
In step 204, start the displacement measuring device (as velocity transducer) in mobile terminal, in real time terminal displacement is measured, gather the displacement physical signalling of mobile terminal.
In step 206, carry out the displacement physical signalling of the mobile terminal received processing the velocity of displacement obtaining mobile terminal, i.e. the direction of mobile terminal movement and speed.
In step 208, judge whether the rate of displacement of mobile terminal meets the predetermined threshold of autozoom, if do not met, then do not adjust the focal length (step 214) of mobile terminal, if met, enter step 210;
In step 210, according to the zoom parameters of the camera of the velocity of displacement determination mobile terminal of mobile terminal, such as zoom in or out the information such as focal length and focal length multiple.
In step 212, the focal length according to the zoom parameters subtend mobile terminal camera of mobile terminal adjusts.Such as, send adjusting focal length instruction to Focussing unit, adjusting focal length instruction comprises zoom parameters; The Focussing that Focussing unit carries out camera reaches the object of autozoom.
In this embodiment, by setting threshold, autozoom is controlled, Focussing frequently can be prevented, make auto-zooming operation more have stability.Coming based on mobile terminal displacement automatic zooming method can according to the adjustment shooting focal length of the situation of change of photographer's gesture, it reaches optimum efficiency automatically, thus solves in prior art the problem needing manual adjustment, is more convenient to the use of user.
Fig. 3 illustrates the structure chart of an embodiment of the Automatic zoom lens focusing device of mobile terminal of the present invention.As shown in Figure 3, the Automatic zoom lens focusing device 3 of this embodiment comprises displacement data measuring unit 31, zoom parameters determining unit 32 and Focussing unit 33.Displacement data measuring unit 31 measures direction of displacement and the rate of displacement of mobile terminal.Zoom parameters determining unit 32 is according to the zoom parameters of the direction of displacement of mobile terminal and rate of displacement determination mobile terminal.Such as, zoom parameters determining unit 32 is amplified focal length for determining according to the direction of displacement of mobile terminal or reduces focal length, according to the rate of displacement determination zoom magnification of mobile terminal.Focussing unit 33 adjusts according to the focal length of the zoom parameters of mobile terminal to mobile terminal.Such as, displacement data measuring unit 31 can realize by Negotiation speed transducer, by responding to the movement of mobile terminal, the velocity of displacement of output mobile terminal, i.e. direction of displacement and speed.Zoom parameters determining unit 32 can be realized by arithmetic logic or chip, by inputting the velocity of displacement of mobile terminal, exports zoom parameters; After determining zoom parameters, send adjusting focal length instruction to Focussing unit 33, this adjusting focal length instruction comprises zoom parameters.After Focussing unit 33 receives adjusting focal length instruction, control the camera lens of adjustment camera according to zoom parameters, realize the object of autozoom.
In the above-described embodiments, the velocity of displacement of mobile terminal is measured by displacement data measuring unit, by the zoom parameters of the camera of zoom parameters determining unit determination mobile terminal, by Focussing unit, automatically zoom adjustment is carried out to the camera of mobile terminal, automatically shooting focal length can be adjusted according to the change in displacement situation of mobile terminal, and then reach photographer and can click menu, directly changed the object of shooting focal length by gesture change, lifting operation convenience greatly.
Fig. 4 illustrates the structure chart of another embodiment of the Automatic zoom lens focusing device of mobile terminal of the present invention.As shown in Figure 4, the Automatic zoom lens focusing device 4 of this embodiment comprises displacement data measuring unit 41, focusing judging unit 44, zoom parameters determining unit 42 and Focussing unit 43.Wherein, displacement data measuring unit 41 comprises displacement signal acquisition module 411 and velocity of displacement determination module 412.The displacement physical signalling of displacement signal acquisition module 411 Negotiation speed sensor measurement mobile terminal, sends to velocity of displacement determination module 412 by the displacement physical signalling of measurement.Velocity of displacement determination module 412 receives displacement physical signalling, according to the velocity of displacement of the displacement physical signalling determination mobile terminal of mobile terminal, i.e. and direction of displacement and rate of displacement.Focusing judging unit 44 receives the velocity of displacement of the mobile terminal from displacement data measuring unit 41, judge the rate of displacement whether unit predetermined threshold of mobile terminal, if be greater than, then the velocity of displacement of mobile terminal is sent to zoom parameters determining unit 42, otherwise, do not send velocity of displacement.The velocity of displacement of zoom parameters determining unit 42 mobile terminal receive, determines amplify focal length or reduce focal length, according to the rate of displacement determination zoom magnification of mobile terminal according to the direction of displacement of mobile terminal.Focussing unit 43 receives the zoom parameters from zoom parameters determining unit 42, carries out Focussing according to zoom parameters to the camera of mobile terminal.
In the above-described embodiments, according to setting threshold, autozoom is controlled by zoom judge module, Focussing frequently can be prevented, make auto-zooming operation more have stability.
Those skilled in the art can understand, and be only exemplary in conjunction with those modules described by block diagram and method step or step in the disclosure, the needs according to specific implementation can carry out combination in any to these modules or step.In addition, the function of these modules or step can be realized by the hardware of software, computer instructions or special circuit etc.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.

Claims (11)

1. an automatic zooming method for mobile terminal, is characterized in that, comprising:
Measured the movement of mobile terminal by the velocity transducer on mobile terminal, obtain the velocity of displacement of described mobile terminal, described velocity of displacement comprises direction of displacement and rate of displacement;
The zoom parameters of described mobile terminal is determined according to the direction of displacement of described mobile terminal and rate of displacement;
The focal length of zoom parameters to described mobile terminal camera according to described mobile terminal adjusts.
2. automatic zooming method according to claim 1, is characterized in that, described zoom parameters comprises and zooms in or out focal length, zoom magnification; Determine that the step of the zoom parameters of described mobile terminal comprises according to the direction of displacement of described mobile terminal and rate of displacement:
Determine amplify focal length or reduce focal length, according to the rate of displacement determination zoom magnification of described mobile terminal according to the direction of displacement of described mobile terminal.
3. automatic zooming method according to claim 2, is characterized in that, also comprises:
Judge whether the rate of displacement of described mobile terminal is greater than predetermined threshold, if so, then determine the zoom parameters of described mobile terminal according to the direction of displacement of described mobile terminal and rate of displacement; If not, then the focal length of described mobile terminal camera is not adjusted.
4. automatic zooming method according to claim 2, is characterized in that, the step of the described rate of displacement determination zoom magnification according to described mobile terminal comprises:
Described zoom magnification is determined according to the rate of displacement of described mobile terminal and the camera zoom capabilities of described mobile terminal support.
5. automatic zooming method according to claim 1, is characterized in that, the direction of displacement of the described mobile terminal of described measurement and the step of rate of displacement comprise:
The displacement physical signalling of mobile terminal described in Negotiation speed sensor measurement;
Direction of displacement and the rate of displacement of described mobile terminal is determined according to the displacement physical signalling of described mobile terminal.
6. an Automatic zoom lens focusing device for mobile terminal, is characterized in that, comprising:
Displacement data measuring unit, for being measured the movement of mobile terminal by the velocity transducer on mobile terminal, obtain the velocity of displacement of described mobile terminal, described velocity of displacement comprises direction of displacement and rate of displacement;
Zoom parameters determining unit, for determining the zoom parameters of described mobile terminal according to the direction of displacement of described mobile terminal and rate of displacement;
Focussing unit, adjusts for the focal length of zoom parameters to described mobile terminal camera according to described mobile terminal.
7. Automatic zoom lens focusing device according to claim 6, is characterized in that, described displacement data measuring unit comprises:
Displacement signal acquisition module, for the displacement physical signalling of Negotiation speed sensor measurement mobile terminal, sends the displacement physical signalling measured;
Velocity of displacement determination module, for receiving the displacement physical signalling of the described mobile terminal from institute's displacement signal acquisition module, determines direction of displacement and the rate of displacement of described mobile terminal according to the displacement physical signalling of described mobile terminal.
8. Automatic zoom lens focusing device according to claim 6, is characterized in that, described zoom parameters comprises and zooms in or out focal length, zoom magnification; Described zoom parameters determination module, amplifies focal length for determining according to the direction of displacement of described mobile terminal or reduces focal length, according to the rate of displacement determination zoom magnification of described mobile terminal.
9. Automatic zoom lens focusing device according to claim 8, is characterized in that, described zoom parameters determination module determines described zoom magnification according to the camera zoom capabilities of the rate of displacement of described mobile terminal and described mobile terminal support.
10. Automatic zoom lens focusing device according to claim 6, is characterized in that, also comprises:
Focusing judging unit, for receiving the velocity of displacement of the described mobile terminal from described displacement data measuring unit, judge whether the rate of displacement of described mobile terminal is greater than predetermined threshold, if be greater than, then the velocity of displacement of described mobile terminal is sent to described zoom parameters determining unit, otherwise, the velocity of displacement of described mobile terminal is not sent to described zoom parameters determining unit.
11. 1 kinds of mobile terminals, comprise camera, it is characterized in that, also comprise the Automatic zoom lens focusing device in claim 6-10 described in any one.
CN201010259886.3A 2010-08-23 2010-08-23 A kind of automatic zooming method of mobile terminal, device and mobile terminal Active CN102377934B (en)

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CN105282420A (en) * 2014-07-15 2016-01-27 中兴通讯股份有限公司 Shooting realization method and device
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CN104811619B (en) * 2015-04-23 2018-12-25 小米科技有限责任公司 Image-forming correction method and device, electronic equipment
CN105227836B (en) * 2015-09-15 2018-12-18 广东欧珀移动通信有限公司 A kind of method and apparatus of video terminal zoom
CN106506971A (en) * 2016-11-30 2017-03-15 宇龙计算机通信科技(深圳)有限公司 A kind of focusing method and mobile terminal
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