CN105763797A - Control method, control device and electronic device - Google Patents

Control method, control device and electronic device Download PDF

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Publication number
CN105763797A
CN105763797A CN201610115094.6A CN201610115094A CN105763797A CN 105763797 A CN105763797 A CN 105763797A CN 201610115094 A CN201610115094 A CN 201610115094A CN 105763797 A CN105763797 A CN 105763797A
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CN
China
Prior art keywords
user
module
preview image
rotating camera
control
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Granted
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CN201610115094.6A
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Chinese (zh)
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CN105763797B (en
Inventor
李龙佳
张乐
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN201610115094.6A priority Critical patent/CN105763797B/en
Publication of CN105763797A publication Critical patent/CN105763797A/en
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Publication of CN105763797B publication Critical patent/CN105763797B/en
Expired - Fee Related legal-status Critical Current
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/61Control of cameras or camera modules based on recognised objects
    • H04N23/611Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/62Control of parameters via user interfaces

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Studio Devices (AREA)

Abstract

The invention discloses a control method for controlling an imaging device to focus. The imaging device includes a rotating camera and a laser emitting device disposed on the rotating camera. The control method comprises a determination step of determining a subject of interest of a user; a processing step of processing a preview image outputted by the imaging device to identify motion information of the subject; and a control step of controlling the rotating camera to rotate according to the motion information of the subject to drive the laser emitting device to track the subject so as to focus the subject continuously. In addition, the invention further discloses a control device and an electronic device. The control method, the control device and the electronic device in the invention can be used for focusing the moving subject continuously as the laser emitting device can rotate with the rotating camera, thereby facilitating snapshooting of the user, and the user can achieve focusing without moving the electronic device and have good experience.

Description

Control method, control device and electronic installation
Technical field
The present invention relates to imaging technique, particularly to a kind of control method, control device and electronic installation.
Background technology
The laser beam emitting device that the focusing of existing laser adopts is usually fixed, when mobile object is focused, it is necessary to do not stop cell phone, troublesome poeration, poor user experience.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art.For this, the present invention needs to provide a kind of control method, control device and electronic installation.
The control method of embodiment of the present invention, is used for controlling imaging device focusing, and described imaging device includes rotating camera and is arranged at the laser beam emitting device in described rotating camera, and described control method includes:
Determine step, it is determined that the object that user is interested;
Process step, process the preview image of described imaging device output to identify the movable information of described object;And
Rate-determining steps, controls described rotating camera according to the movable information of described object and rotates to drive described laser beam emitting device to follow the trail of described object to continue to focus to described object.
The control device of embodiment of the present invention, is used for controlling imaging device focusing, and described imaging device includes rotating camera and is arranged at the laser beam emitting device in described rotating camera, and described control device includes:
Determine module, the described object determining that module is interested for determining user;
Processing module, the preview image that described processing module exports for processing described imaging device is to identify the movable information of described object;And
Controlling module, described control module controls described rotating camera for the movable information according to described object and rotates to drive described laser beam emitting device to follow the trail of described object to continue to focus to described object.
The electronic installation of embodiment of the present invention includes imaging device and controls device as above.
The control method of embodiment of the present invention, control device and electronic installation, owing to laser beam emitting device can rotate with rotating camera, therefore sustainable object in movement is focused, facilitate user to capture, user need not can realize focusing, better user experience by electronic apparatus simultaneously.
The advantage of the additional aspect of the present invention will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the schematic flow sheet of the control method of embodiment of the present invention.
Fig. 2 is the high-level schematic functional block diagram controlling device of embodiment of the present invention.
Fig. 3 is the schematic flow sheet of the control method of some embodiment of the present invention.
Fig. 4 is the schematic flow sheet of the control method of some embodiment of the present invention.
Fig. 5 is the high-level schematic functional block diagram controlling device of some embodiment of the present invention.
Detailed description of the invention
Being described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining embodiments of the present invention, and it is not intended that restriction to embodiments of the present invention.
Refer to Fig. 1, the control method of embodiment of the present invention, it is used for controlling imaging device focusing.Imaging device includes rotating camera and laser beam emitting device.Wherein, laser beam emitting device is arranged in rotating camera.
Control method comprises the following steps:
S10, it is determined that the object that user is interested;
S20, processes the preview image of imaging device output to identify the movable information of object;And
S30, controls rotating camera according to the movable information of object and rotates to drive laser beam emitting device to follow the trail of object to continue to focus to object.
Referring to Fig. 2, the control device 100 of embodiment of the present invention includes determining module 10, processing module 20 and controlling module 30.As an example, the control method of embodiment of the present invention can be realized by the control device 100 of embodiment of the present invention, can be applicable to electronic installation 1000, and electronic installation 1000 can include controlling device 100 and imaging device 200.Imaging device 200 includes rotating camera 40 and laser beam emitting device 50.Laser beam emitting device 50 is arranged in rotating camera 40.
Wherein, the step S10 of the control method of embodiment of the present invention can by determining that module 10 realizes, and step S20 can be realized by processing module 20, and step S30 can be realized by controlling module 30.In other words, it is determined that module 10 is for determining the object that user is interested.Processing module 20 is used for the preview image processing imaging device 200 to identify the movable information of object.Control module 30 to rotate to drive laser beam emitting device 50 to follow the trail of object to continue to focus to object according to the movable information control rotating camera 40 of object.
Laser focal modes is focused faster because of it speed, is increasingly widely applied in electronic installation.Laser focusing mainly utilizes the characteristic that infrared light centrality not easily spreads by force, emits from laser beam emitting device by recording infrared light, reflects through target surface, and the time difference finally received, image-signal processor calculates the target distance to imaging device.This distance is the object distance in focus process, further according to the corresponding relation of the object distance pre-set Yu focusing motor position, drives focusing motor to arrive focal position and completes focusing.
Rotating camera 50 is applied to electronic installation 1000, can provide convenience for some photographed scene, such as, take pictures under tilt or panning mode, user is rotated by control rotating camera 50 and just can complete to find a view and shoot, without user's electronic apparatus 1000, and can effectively reduce the shake in moving process.Generally, the rotation of rotating camera 50 by stepping electrical motor driven, the thus angle of rotation-controlled and speed.
Laser beam emitting device 50 is arranged on the rotation that can realize laser beam emitting device 50 in rotating camera 40.Rotate to drive laser beam emitting device 50 to rotate by controlling device 10 rotation-controlled photographic head 40.So, along with the rotation of rotating camera, the finding range of laser beam emitting device 40 can be extended, and most senior general can cover whole planar range.
It is appreciated that, control device 10 and can control rotating camera 40 thus driving laser beam emitting device 50 to rotate activity to adopt laser focal modes to focus object with certain direction, speed, acceleration and angle, and carry out taking pictures or recording a video in the suitable time.
In sum, the control method of embodiment of the present invention, control device 100 and electronic installation 1000, owing to laser beam emitting device 50 can rotate with rotating camera 40, therefore sustainable object in movement is focused, user is facilitated to capture, user need not can realize focusing, better user experience by electronic apparatus 1000 simultaneously.
In some embodiments, electronic installation 1000 can be the electric terminal that mobile phone or panel computer etc. have camera function.It is appreciated that electronic installation 1000 includes but not limited to the example of present embodiment.
In some embodiments, controlling device 100 can determine object by the mode set, and step S10 determines, by processing preview image, the object that user is interested.Step S10 can be determined by module 10 and realize.For example, it is possible to be identified determining the object that user is interested to the pixel characteristic value in the region being shot in preview image.In concrete operations, user can make object be arranged in the focusing frame of preview image.
In some embodiments, step S10 can determine object interested by reception user's input.Step S10 can be determined by module 10 and realize.
In concrete operations, electronic installation 1000 can be mobile phone, and after opening camera function, imaging device 200 can obtain preview image, and the preview image obtained is exported the user interface to mobile phone, selects object interested for user from preview image.User, by clicking on a display of the handset, touching or slip gesture, chooses, at the preview image shown by display screen, the object that user is interested.Control device 100 and can pass through to obtain the operational order of user, determine, according to modes such as user's click, touch or slip gestures, the object interested that user selectes.
In some embodiments, the face in face recognition technology identification preview image can be passed through, so that it is determined that the object that user is interested.Certainly, if object is animal, it is possible to identify the animal in preview image.For some many people scenes, it is the object that user is interested that system can give tacit consent to the face selecting preview image centre position.User also can make one in multiple face to fall in focusing frame, and in this, as object interested.
Control device 100 after confirming the object that user is interested, then can determine the movable information of object according to the kinestate of the object detected in preview image.Wherein, movable information comprises the steps that the direction of motion, movement velocity and acceleration of motion etc., does not limit at this.In concrete operations, mobile phone can according to the original state of the determined object in preview screen, and the movement position that object is within a specified time, it is determined that the direction of motion of object, movement velocity and acceleration of motion.Such as, determined object original state is resting state, and the air line distance of the motion that object is in 1 second is 1 meter, then can determine that the movement velocity of object is 1 meter per second, and the direction of motion is the direction of displacement of object, and acceleration of motion is 1m/s^2.After determining the movable information of object, then can control rotating camera 40 according to the movable information of object and drive Laser emission to fill 50 rotations persistently object to be focused.Owing to laser beam emitting device 50 together rotates with rotating camera 40, therefore, follow the trail of in the process of object at control laser beam emitting device 50, both geo-stationary can be kept to a certain extent, thus ensureing stablizing of preview screen, object can be made to occur in the appointment position of imaging device 200 all the time, for instance the centre position of camera lens simultaneously.
Referring to Fig. 3, in some embodiments, step S20 also includes sub-step:
S22, the former frame of process preview image and present frame are to identify object;And
S24, compares the change of the object movable information to obtain object in the former frame of preview image and present frame.
In some embodiments, sub-step S22 and sub-step S24 can be realized by processing module 20.In other words, processing module 20 is used for processing the former frame of preview image and present frame to identify object, and is used for comparing the change of the object movable information to obtain object in the former frame of preview image and present frame.
Imaging device 200 obtains preview image, and after determining object, processing module 20 processes the view data of adjacent two frame preview images, for instance can identify object according to information such as the pixel characteristic values of view data.And according in adjacent two two field pictures, the information change of object determines movable information.Thus the movable information control rotating camera 40 according to object drives laser beam emitting device 40 to rotate persistently object to be carried out laser focusing.
Referring to Fig. 4, in some embodiments, step S30 includes sub-step:
S32, it is judged that whether the move distance of object is less than predetermined value;And
S34, controls rotating camera and remains stationary as when the move distance of object is less than predetermined value.
Refer to Fig. 5, in some embodiments, control module 30 and also include judge module 32.Step S32 can be realized by judge module 32, and step S34 can be realized by controlling module 30.In other words, it is judged that whether module 32 is used for the move distance judging object less than predetermined value, and notice controls module 30 when the move distance of object is less than predetermined value, and control module 30 is used for controlling rotating camera 40 and remains stationary as.
Laser beam emitting device 50 is driven object to be tracked in the process of focusing controlling rotating camera 40, whether movable also by detecting that measured object distance change controls laser beam emitting device 40.In operation, control device 100 and can preset a preset distance value, control whether rotating camera 40 rotates by this preset distance value.When judge module 40 detects the move distance of object less than predetermined value according to adjacent two frame preview images, notice controls module 30, and control module 30 controls rotating camera 40 and remains stationary as.In some embodiments, detect that move distance can be that object remains static less than predetermined value.In other embodiments, the effective angle scope of laser beam emitting device 50 self is within the scope of positive and negative 25 degree on schedule, and therefore when object move distance is less, the laser that laser beam emitting device 50 is launched remains to object is carried out laser focusing.
Further, controlling device 100 can detect that automatically controlling imaging device after object no longer moves takes pictures, and so, can complete the candid photograph to moving object, and user is without manually actuated shutter or key of taking pictures.
Embodiment of the present invention control device 100 and not deployed other parts of electronic installation 1000, the corresponding part of the control method of embodiment of above can be joined, be no longer developed in details at this.
In the description of embodiments of the present invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description embodiments of the present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to embodiments of the present invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more described features.In the description of embodiments of the present invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In the description of embodiments of the present invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, can also be removably connect, or connect integratedly;Can be mechanically connected, it is also possible to be electrical connection or can communication mutually;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in embodiments of the present invention as the case may be.
In embodiments of the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height less than second feature.
Above disclosure provides many different embodiments or example for realizing the different structure of embodiments of the present invention.In order to simplify disclosing of embodiments of the present invention, above parts and setting to specific examples are described.Certainly, they are only merely illustrative, and are not intended to the restriction present invention.Additionally, embodiments of the present invention can in different examples repeat reference numerals and/or reference letter, this repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.Additionally, the example of the various specific technique that provides of embodiments of the present invention and material, but those of ordinary skill in the art are it can be appreciated that the use of the application of other techniques and/or other materials.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with described embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Represent in flow charts or in this logic described otherwise above and/or step, such as, it is considered the sequencing list of executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as computer based system, including the system of processing module or other can from instruction execution system, device or equipment instruction fetch the system performing instruction), or use in conjunction with these instruction execution systems, device or equipment.For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure is for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium includes following: have the electrical connection section (electronic installation) of one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read only memory (ROM), erasable edit read only memory (EPROM or flash memory), fiber device, and portable optic disk read only memory (CDROM).Additionally, computer-readable medium can even is that the paper that can print described program thereon or other suitable media, because can such as by paper or other media be carried out optical scanning, then carry out editing, interpreting or be processed to electronically obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of embodiments of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries can be by the hardware that program carrys out instruction relevant and complete, described program can be stored in a kind of computer-readable recording medium, this program upon execution, including the step one or a combination set of of embodiment of the method.
Additionally, each functional unit in various embodiments of the present invention can be integrated in a processing module, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module both can adopt the form of hardware to realize, it would however also be possible to employ the form of software function module realizes.If described integrated module is using the form realization of software function module and as independent production marketing or use, it is also possible to be stored in a computer read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.

Claims (16)

1. a control method, is used for controlling imaging device focusing, it is characterised in that described imaging device includes rotating camera and is arranged at the laser beam emitting device in described rotating camera, and described control method includes:
Determine step, it is determined that the object that user is interested;
Process step, process the preview image of described imaging device output to identify the movable information of described object;And
Rate-determining steps, controls described rotating camera according to the movable information of described object and rotates to drive described laser beam emitting device to follow the trail of described object to continue to focus to described object.
2. control method as claimed in claim 1, it is characterised in that described determine that step is passed through to process the object that described preview image determines that described user is interested.
3. control method as claimed in claim 1, it is characterised in that described determine that step is passed through to receive user's input and determined the object that described user is interested.
4. control method as claimed in claim 1, it is characterised in that described determine that step is passed through to adopt face recognition technology to process described preview image to identify face, and determine that described face is the object that described user is interested.
5. control method as claimed in claim 1, it is characterised in that the treating step comprises:
Process the former frame of described preview image and present frame to identify described object;And
Described in the former frame of the described preview image of comparison and present frame, the change of object is to obtain described movable information.
6. control method as claimed in claim 1, it is characterised in that described rate-determining steps includes:
Judge step, it is judged that whether the move distance of described object is less than predetermined value;And
Control described rotating camera when the move distance of described object is less than described predetermined value to remain stationary as.
7. control method as claimed in claim 1, it is characterised in that described movable information includes the direction of motion of described object, speed and/or acceleration.
8. control a device, be used for controlling imaging device focusing, it is characterised in that described imaging device includes rotating camera and is arranged at the laser beam emitting device in described rotating camera, and described control device includes:
Determine module, the described object determining that module is interested for determining user;
Processing module, the preview image that described processing module exports for processing described imaging device is to identify the movable information of described object;And
Controlling module, described control module controls described rotating camera for the movable information according to described object and rotates to drive described laser beam emitting device to follow the trail of described object to continue to focus to described object.
9. control device as claimed in claim 8, it is characterised in that described determine module for by process described preview image determine the object that described user is interested.
10. control device as claimed in claim 8, it is characterised in that described determine module for pass through receive user input determine the object that described user is interested.
11. control device as claimed in claim 8, it is characterised in that described determine that module is for passing through to adopt face recognition technology to process described preview image to identify face, and determines that described face is the object that described user is interested.
12. control device as claimed in claim 8, it is characterized in that, described processing module is for processing the former frame of described preview image and present frame to identify that described in the former frame of described object the described preview image of comparison and present frame, the change of object is to obtain described movable information.
13. control device as claimed in claim 8, it is characterised in that described control device includes:
Judge module, described judge module is for judging that the move distance of described object is whether less than predetermined value and control described rotating camera when the move distance of described object is less than described predetermined value and remain stationary as.
14. control device as claimed in claim 8, it is characterised in that described movable information includes the direction of motion of described object, speed and/or acceleration.
15. an electronic installation, it is characterised in that include imaging device and the control device as described in claim 8-14 any one.
16. electronic installation as claimed in claim 15, it is characterised in that described electronic installation includes mobile phone or panel computer.
CN201610115094.6A 2016-02-29 2016-02-29 Control method, control device and electronic device Expired - Fee Related CN105763797B (en)

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