WO2015196921A1 - 后台拍摄方法和拍摄装置 - Google Patents

后台拍摄方法和拍摄装置 Download PDF

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Publication number
WO2015196921A1
WO2015196921A1 PCT/CN2015/080900 CN2015080900W WO2015196921A1 WO 2015196921 A1 WO2015196921 A1 WO 2015196921A1 CN 2015080900 W CN2015080900 W CN 2015080900W WO 2015196921 A1 WO2015196921 A1 WO 2015196921A1
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WO
WIPO (PCT)
Prior art keywords
background
camera module
shooting
photographing
interval
Prior art date
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PCT/CN2015/080900
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English (en)
French (fr)
Inventor
黄谭文
Original Assignee
努比亚技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 努比亚技术有限公司 filed Critical 努比亚技术有限公司
Priority to US15/322,141 priority Critical patent/US20170142333A1/en
Publication of WO2015196921A1 publication Critical patent/WO2015196921A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This paper relates to the field of camera technology, and in particular to a background shooting method and a photographing device.
  • the shooting function has become a must-have feature for a variety of terminal devices, including cameras and camcorders for shooting, as well as computers and mobile phones.
  • the shooting function is more and more abundant, and a background shooting function has appeared.
  • the background shooting that is, running in the background by the background service control camera module, does not occupy the current display interface, so that the user can use other functions while shooting, greatly improving user satisfaction.
  • the camera module when shooting in the background, the camera module is always running in the background regardless of whether the camera module is shooting or waiting for shooting, resulting in continuous power consumption and a rapid increase in power consumption.
  • the actual shooting time is very short, most of the time is waiting for shooting, so most of the power consumption is consumed while the camera module is running continuously while waiting for shooting, thus causing the extreme power Great waste.
  • the main object of the present invention is to provide a background shooting method and a photographing apparatus, which aim to reduce the power consumption of background shooting and save power.
  • the camera module is controlled to be started, operated, and turned off in the background.
  • the background shooting mode is a power saving optimization mode
  • the step of controlling the camera module to be started, running, or shutting down in the background according to the background shooting mode includes:
  • the camera module completes the shooting, the camera module is turned off and the camera module is activated when the next shooting is taken.
  • the background shooting mode is a delayed off mode.
  • the step of controlling the camera module to be started, running, or shutting down in the background according to the background shooting mode includes:
  • the camera module is turned off when no shooting command is detected within the preset time.
  • the step of turning off the camera module includes:
  • the camera module When the camera module is started, if no shooting instruction is received for more than a preset time, the camera module is turned off; or,
  • the camera module finishes shooting, if the shooting instruction is not received beyond the preset time, the camera module is turned off.
  • the background shooting mode is a time shooting mode.
  • the step of controlling the camera module to be started, running, or shutting down in the background according to the background shooting mode includes:
  • the camera module After detecting that the second preset time point is reached, the camera module is turned off.
  • the first preset time point is a time point when the camera module is started
  • the second preset time point is a time point when the camera module is turned off.
  • the background shooting mode is an interval shooting mode
  • the step of controlling the camera module to be started, running, or shutting down in the background according to the background shooting mode includes:
  • the camera module is controlled to perform an action of starting, shooting, and closing in the background every preset time.
  • the method further comprises: presetting a time interval from the last shooting or the camera module being turned off.
  • the method further includes: setting a time point in advance, and automatically starting interval shooting when the time point is reached; or, the user starts the camera module by using a function button or a preset gesture action, and starts interval shooting.
  • the method further comprises: determining whether the condition of the end interval shooting is reached during the shooting, and ending the shooting if the condition of the ending interval shooting is reached.
  • the condition for ending the interval shooting is that the time point of the interval shooting reaches a preset time point or duration of the end interval shooting, or the interval shooting reaches the preset interval shooting times.
  • the step of controlling the camera module to start, run, and shut down in the background includes:
  • the entire process of the camera module is performed in the background, and does not occupy the current display interface of the camera device where the camera module is located.
  • a photographing device includes a setting module, a camera module and a background control module, wherein:
  • the setting module is configured to: set a background shooting mode
  • the background control module is configured to: control, according to the background shooting mode, the camera module to start, run, and shut down in the background.
  • the background shooting mode is a power saving optimization mode
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module completes the shooting, the camera module is turned off and the camera module is activated when the next shooting is taken.
  • the background shooting mode is a delayed off mode.
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module is turned off when no shooting command is detected within the preset time.
  • the background control module is configured to close the camera module when detecting that there is no shooting instruction within the preset time as follows:
  • the camera module When the camera module is started, if no shooting instruction is received for more than a preset time, the camera module is turned off; or,
  • the camera module finishes shooting, if the shooting instruction is not received beyond the preset time, the camera module is turned off.
  • the background shooting mode is a time shooting mode.
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module After detecting that the second preset time point is reached, the camera module is turned off.
  • the background shooting mode is an interval shooting mode
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module is controlled to perform an action of starting, shooting, and closing in the background every preset time.
  • the setting module is further configured to: preset a time interval from a last shooting or the camera module is turned off.
  • the setting module is further configured to: preset a start interval shooting time point;
  • the background control module is configured to control the camera module to start the interval shooting as follows: when the time point is reached, the camera module is controlled to start interval shooting; or, after the user presses a function button or a preset gesture Controlling the camera module to start interval shooting.
  • the background control module is configured to control the camera module to end the interval shooting according to the following manner: determining whether a condition for ending interval shooting is reached during shooting, and if the condition for ending interval shooting is reached, controlling the The camera module ends shooting.
  • the condition for ending the interval shooting is that the time point of the interval shooting reaches a preset time point or duration of the end interval shooting, or the interval shooting reaches the preset interval shooting times.
  • the background control module is configured to control the camera module to be started, running, and shutting down in the background as follows:
  • the entire process of the camera module is performed in the background, and does not occupy the current display interface of the camera device where the camera module is located.
  • a computer program comprising program instructions that, when executed by a computer, cause the computer to perform any of the above-described background capture methods.
  • a carrier carrying the computer program A carrier carrying the computer program.
  • the background shooting method provided by the technical solution of the present invention can automatically control the camera module to be started, operated and closed in the background according to the background shooting mode when performing background shooting. Since the entire shooting process is automatic and the camera module is running in the background without occupying the current display interface, the user can view, edit and share the captured photos or videos in real time, or use other applications or functions to make the user more worry-free. At the same time, in the background shooting process, the camera module is also turned on or off by various strategies to prevent the camera module from continuously running in the background, resulting in unnecessary loss of power, reducing power consumption and saving power.
  • FIG. 1 is a flow chart of a first embodiment of a background photographing method of the present invention
  • FIG. 2 is a flow chart of a second embodiment of a background photographing method of the present invention.
  • Figure 3 is a flow chart showing a third embodiment of the background photographing method of the present invention.
  • Figure 4 is a flow chart showing a fourth embodiment of the background photographing method of the present invention.
  • Fig. 5 is a block diagram showing the configuration of an embodiment of an image pickup apparatus of the present invention.
  • the photographing apparatus presets the background photographing mode, and then controls the camera module to be started, operated, or turned off in the background according to the background photographing mode.
  • the background shooting mode includes a power saving preferred mode, a delayed off mode, a timed shooting mode, an interval shooting mode, and the like, and the operation of the camera module refers to a process of waiting for shooting and shooting after the camera module is started. Due to the whole The shooting process is performed in the background and does not occupy the current display interface of the camera. Therefore, during the background shooting, the user does not affect other functions of the camera.
  • the background shooting method includes the following steps:
  • Step S101 setting the background shooting mode to the power saving priority mode.
  • Step S102 It is determined whether a preset operation instruction is detected.
  • the operation instructions such as a camera start command, a shooting instruction, and the like may be issued by a preset gesture action or a function button.
  • Step S103 The camera module is controlled to start and run in the background.
  • the camera After the camera receives the operation command, it immediately starts the camera module in the background and runs in the background. It does not occupy the current real interface, and the user can continue to operate other applications of the camera and use other functions.
  • the Activity component is used for shooting and previewing, wherein the Activity is an application component that provides a screen or interactive interface to interact with the user to complete a certain task. All operations in the Activity are closely related to the user. It is a component responsible for interacting with the user.
  • the specified control can be displayed by setContentView(View).
  • an Activity is usually a separate screen that can display some controls that can also listen to and handle user events in response. Activities communicate through Intents.
  • the camera module in the activity is closed, and the current interface is no longer displayed as the shooting interface.
  • the camera controls the camera module to run in the background service through the background control module, and uses the setPreviewTexture() interface provided by the camera module, and the required parameter SurfaceTexture can be created arbitrarily, because the preview screen is not displayed.
  • the created class does not need to be processed, so you can continue to use the camera module's shooting function.
  • Step S103 The camera module completes the shooting.
  • the camera module After the camera module is activated, shoot according to the shooting instructions, such as taking a picture or taking a picture.
  • the camera device issues a broadcast according to the trigger event, and uses the broadcast Intent to respond to the event to be received by the camera module running in the background.
  • a broadcast receiver is pre-registered in the camera module, and the broadcast can be received through the receiver to acquire a trigger event, and the trigger event is regarded as a shooting instruction to be executed, such as taking a photo, starting a video, ending a video, and the like.
  • Step S104 Turn off the camera module.
  • the photographing device When the photographing or photographing is completed, the photographing device then turns off the camera module and returns to step S102, and the background service of the photographing device waits for the next photographing, and when the operation command is detected, the camera module is restarted for photographing.
  • the camera module is turned off by taking each shot, and the camera module is started to be photographed when the next shot is taken, thereby avoiding unnecessary power loss caused by the camera module continuing to operate while waiting for shooting, thereby saving power.
  • the background shooting method includes the following steps:
  • Step S201 The background shooting mode is set to the delayed off mode.
  • the time for the delay to be turned off is set in advance, that is, how long after the shooting is performed, the camera module is turned off, and the setting can be customized by the user.
  • Step S202 determining whether a preset operation instruction is detected.
  • Step S203 Control the camera module to start in the background.
  • Step S204 Control the camera module to run in the background.
  • the camera module runs in the background, which refers to the process of shooting in the background or waiting for shooting after the camera module is started.
  • the whole process is carried out in the background, and does not occupy the current display interface of the camera.
  • the user can simultaneously operate other applications of the camera and use other functions.
  • Step S205 It is determined whether a shooting instruction has not been received within a preset time.
  • the shooting command is not received after the preset time has elapsed, or the camera module is started after the camera module is started. If the shooting command is not received after the shooting is completed, the process proceeds to step S206. Otherwise, the camera module continues to run in the background, shooting or waiting to shoot.
  • Step S206 Turn off the camera module.
  • the photographing device turns off the camera module and returns to step S202, and the background service of the photographing device waits for the next photographing, and when the operation command is detected, the camera module is restarted to perform photographing.
  • This embodiment is applicable to a scene in which a plurality of pictures are required to be photographed when the specific shooting time is not clear. For example, when shooting certain animals, you can only wait because you don't know the specific shooting time. If you want to take a coherent action when shooting, the more photos you need to take, the better. If you close it after shooting, Then, when you start the next shooting, it will delay for a certain period of time, and you cannot achieve a quick capture.
  • the delay off mode set the time for the delay to close before shooting. For example, after setting the operation for 1 minute, the camera module is turned off, after starting shooting, etc. When the shooting target starts to shoot, it can shoot continuously, and the shooting stops after the target stops moving. The camera module is waiting for shooting. If there is no operation on the camera module for 1 minute, the camera turns off the camera module and waits for the next. Start once. This eliminates the amount of power that is required to run the camera module for a long time while shooting.
  • the user instead of turning off the camera module every time, the user waits for a period of time to see if the user continues to shoot.
  • the camera module is turned off, and the camera module is restarted when the next shooting is taken. Therefore, by delaying the camera module, the power is saved, and the frequent switching of the camera module is prevented, and the shooting speed is reduced, thereby achieving both user satisfaction.
  • the background shooting method includes the following steps:
  • Step S301 setting the background shooting mode to the time shooting mode.
  • the user presets the timing time, including the first preset time point and the second preset time point, wherein the first preset time point is a time point at which the camera module is activated, and the second preset time point is The point in time when the camera module is turned off.
  • Step S302 determining whether the first preset time point is reached.
  • the photographing device determines whether the first preset time point is reached by the timing module, and if yes, proceeds to step S303; otherwise, does not respond.
  • Step S303 Control the camera module to start in the background.
  • the camera activates the camera module in the background.
  • Step S304 Control the camera module to perform shooting in the background.
  • the shooting may be taking a photo or taking a video, and taking a photo or taking a continuous shooting every preset time when taking a photo. Since the shooting process is performed in the background without occupying the current display interface of the camera, the user can simultaneously operate other applications of the camera and use other functions.
  • Step S305 determining whether the second preset time point is reached.
  • the photographing device judges whether the current preset time point is reached by the timing module, and if yes, proceeds to step S306; otherwise, continues shooting.
  • Step S306 End shooting, and close the camera module.
  • the photographing device ends the shooting and turns off the camera module.
  • the application scene for the timed shooting mode is to know the exact time of shooting, such as shooting sunrise, shooting various events, and so on. Taking the sunrise as an example, the user knows the approximate time of the start and end of the sunrise. After setting the time, the user can use other applications or functions on the camera or watch the sunrise. After the first preset time, the camera Automatic background shooting, such as taking pictures at intervals, users can enter the album to enjoy the photos and publish them to others for sharing in real time. When the second preset time is reached, the shooting device ends the shooting and closes the camera module.
  • the camera module automatically shoots in the background, users can view, edit and share the captured photos or videos in real time, or use other applications or functions of the camera to make the user more worry-free.
  • the camera module is activated only when it is really necessary to shoot, and the camera module is kept off at other times, thereby avoiding unnecessary loss of power.
  • only the first preset time may be set without setting the second preset time, and the second preset time, that is, the end shooting time, is manually controlled by the user.
  • the background shooting method includes the following steps:
  • Step S401 setting the background shooting mode to the interval shooting mode.
  • the time interval from the last shooting or the camera module is set in advance.
  • Step S402 Start interval shooting.
  • the time point can be set in advance, and the interval shooting is automatically started when the time point is reached; or the user starts the interval shooting by turning on the camera module through a function button or a preset gesture action.
  • Step S403 Control the camera module to start in the background.
  • Step S404 Control the camera module to perform shooting.
  • the shooting may be taking a photo or taking a video, and taking a photo or taking a continuous shooting every preset time when taking a photo. Since the shooting process is performed in the background without occupying the current display interface of the camera, the user can simultaneously operate other applications of the camera and use other functions.
  • Step S405 After the shooting is completed, the camera module is turned off.
  • the shooting ends and the camera module is turned off.
  • Step S406 It is judged whether or not the interval shooting is ended.
  • the user can manually control the end interval shooting, and the shooting device can also automatically determine whether the condition for ending the interval shooting is reached, such as whether the preset time point or duration of the end interval shooting is reached, or whether the preset interval shooting times are reached. If the result of the determination is YES, the process proceeds to step S408; if the result of the determination is no, the process proceeds to step S407.
  • Step S407 It is determined whether the preset time is separated.
  • the photographing device determines whether the preset time is separated from the last shot or the camera module is turned off, and if yes, returns to step S403 to perform the next round of shooting; otherwise, it continues to wait, and simultaneously determines whether to end the interval shooting while waiting.
  • Step S408 End interval shooting.
  • the camera module by setting the interval time in advance, after starting the interval shooting, the camera module is automatically started to be photographed in the background, and then the camera module is automatically turned off after the shooting is completed, and the next round of shooting is performed after the preset time interval, so that the cycle is automatically performed. Take a picture.
  • interval shooting users can view, edit, and share photos or videos in real time, or use other applications or features of the camera to make the user more worry-free.
  • the camera module consumes power only when shooting, and the camera module is turned off without waiting for power during the interval of waiting for shooting, reducing power consumption.
  • the photographing apparatus includes a background control module 501, a setting module 502, and a camera module 503.
  • the setting module 502 is set to: set the background shooting mode.
  • the background shooting mode includes a power saving optimization mode, a delay off mode, a timing shooting mode, an interval shooting mode, and the like.
  • the camera module 503 is configured to take a photo or video and perform background shooting under the control of the background control module.
  • the background control module 501 is configured to control the camera module to be started, run, and shut down in the background according to the background shooting mode.
  • the background control module detects the preset operation instruction, the camera module is controlled to start and run in the background; when the camera module finishes shooting, the camera module is turned off, and the next shooting operation is waited for. instruction.
  • the background control module detects the preset operation instruction, the camera module is controlled to start and run in the background; when no shooting instruction is detected within the preset time, the camera module is turned off and waits for the next Operation instructions for one shot.
  • the background control module detects that the camera module is activated and photographed in the background after reaching the first preset time point; and detects that the camera module is turned off after reaching the second preset time point.
  • the background control module controls the camera module to perform an action of starting, shooting, and closing in the background every preset time.
  • the background shooting mode is a power saving optimization mode
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module completes the shooting, the camera module is turned off and the camera module is activated when the next shooting is taken.
  • the background shooting mode is a delayed off mode.
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module is turned off when no shooting command is detected within the preset time.
  • the background control module is configured to close the camera module when detecting that there is no shooting instruction within the preset time as follows:
  • the camera module When the camera module is started, if no shooting instruction is received for more than a preset time, the camera module is turned off; or,
  • the camera module finishes shooting, if the shooting instruction is not received beyond the preset time, the camera module is turned off.
  • the background shooting mode is a time shooting mode
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module After detecting that the second preset time point is reached, the camera module is turned off.
  • the background shooting mode is an interval shooting mode
  • the background control module is configured to control the camera module to be started, running or closed in the background according to the background shooting mode as follows:
  • the camera module is controlled to perform an action of starting, shooting, and closing in the background every preset time.
  • the setting module is further configured to: preset a time interval from a last shooting or the camera module is turned off.
  • the setting module is further configured to: preset a start interval shooting time point;
  • the background control module is configured to control the camera module to start the interval shooting as follows: when the time point is reached, the camera module is controlled to start interval shooting; or, after the user presses a function button or a preset gesture Controlling the camera module to start interval shooting.
  • the background control module is configured to control the end of the camera module as follows The interval shooting: determining whether the condition for ending the interval shooting is reached during the shooting, and if the condition for ending the interval shooting is reached, the camera module is controlled to end the shooting.
  • the condition for ending the interval shooting is that the time point of the interval shooting reaches a preset time point or duration of the end interval shooting, or the interval shooting reaches the preset interval shooting times.
  • the background control module is configured to control the camera module to be started, running, and shutting down in the background as follows:
  • the entire process of the camera module is performed in the background, and does not occupy the current display interface of the camera device where the camera module is located.
  • the photographing apparatus of the present invention can automatically control the camera module to be started, operated, and turned off in the background according to the background photographing mode when performing background photographing. Since the entire shooting process is automatic and the camera module is running in the background without occupying the current display interface, the user can view, edit and share the captured photos or videos in real time, or use other applications or functions to make the user more worry-free. At the same time, the camera module is activated or turned off by various strategies to save power, and the camera module is prevented from continuously running in the background, resulting in unnecessary loss of power.
  • the image capturing apparatus provided in the above embodiment performs the background shooting, only the division of each of the above functional modules is illustrated. In practical applications, the function allocation may be completed by different functional modules as needed.
  • the imaging device provided by the foregoing embodiment is the same as the embodiment of the background shooting method, and the specific implementation process is described in detail in the method embodiment, and details are not described herein again.
  • Embodiments of the present invention disclose a computer program including program instructions that, when executed by a computer, cause the computer to perform any of the above-described background shooting methods.
  • the embodiment of the invention also discloses a carrier carrying the above computer program.
  • the related hardware can be controlled by a program, which can be stored in a computer readable storage medium, which can be a ROM/RAM, a magnetic disk, an optical disk, or the like.
  • the background shooting method provided by the technical solution of the present invention can automatically control the camera module to be started, operated and closed in the background according to the background shooting mode when performing background shooting. Since the entire shooting process is automatic and the camera module is running in the background without occupying the current display interface, the user can view, edit and share the captured photos or videos in real time, or use other applications or functions to make the user more worry-free. At the same time, in the background shooting process, the camera module is also turned on or off by various strategies to prevent the camera module from continuously running in the background, resulting in unnecessary loss of power, reducing power consumption and saving power. Therefore, the present invention has strong industrial applicability.

Abstract

一种后台拍摄方法和拍摄装置，所述后台拍摄方法包括步骤：设置后台拍摄模式；根据所述后台拍摄模式，控制相机模块在后台启动、运行和关闭。由于整个拍摄过程自动进行，且相机模块在后台运行，不占用当前的显示界面，用户可以实时查看、编辑和分享拍摄的照片或视频，也可以使用其它应用或功能，使得用户更加省心省力。同时，在后台拍摄过程中还通过各种策略启动或关闭相机模块，防止相机模块持续在后台运行而导致电能的无谓损耗，减小了电量损耗，节省了电能。

Description

后台拍摄方法和拍摄装置 技术领域
本文涉及摄像技术领域，尤其是涉及一种后台拍摄方法和拍摄装置。
背景技术
拍摄功能几乎成为了各种终端设备的必备功能，包括专门用于拍摄的相机、摄录机等，还包括电脑、手机等。为了满足用户的需求，拍摄功能越来越丰富，目前出现了一种后台拍摄功能。所述后台拍摄，即通过后台服务控制相机模块在后台运行，不占用当前的显示界面，从而使得用户可以边拍摄边使用其它功能，极大的提升了用户满意度。
然而，在进行后台拍摄时，无论相机模块正在进行拍摄还是在等待拍摄，相机模块一直在后台运行，从而导致持续耗电，耗电量急速增加。实际上，后台拍摄时，真正拍摄的时间很短，大部分时间都是在等待拍摄，因此大部分耗电量是在等待拍摄时相机模块的持续运行而消耗掉的，因此造成了电量的极大浪费。
发明内容
本发明的主要目的在于提供一种后台拍摄方法和拍摄装置，旨在减少后台拍摄的耗电量，节省电能。
为达以上目的，采用如下技术方案：
一种后台拍摄方法，包括如下步骤：
设置后台拍摄模式；
根据所述后台拍摄模式，控制相机模块在后台启动、运行和关闭。
可选地，所述后台拍摄模式为省电优选模式，
所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
一旦所述相机模块完成拍摄，就关闭所述相机模块，待下一次拍摄时再启动所述相机模块。
可选地，所述后台拍摄模式为延时关闭模式，
所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
检测到预设时间内无拍摄指令时，关闭所述相机模块。
可选地，所述检测到预设时间内无拍摄指令时，关闭所述相机模块的步骤包括：
当所述相机模块启动后，超过预设时间没有接收到拍摄指令，则关闭所述相机模块；或者，
所述相机模块拍摄完成后，超过所述预设时间没有接收到所述拍摄指令，则关闭所述相机模块。
可选地，所述后台拍摄模式为定时拍摄模式，
所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
检测到到达第一预设时间点后，控制所述相机模块在后台启动并拍摄；
检测到到达第二预设时间点后，关闭所述相机模块。
可选地，所述第一预设时间点为启动所述相机模块的时间点，第二预设时间点为关闭所述相机模块的时间点。
可选地，所述后台拍摄模式为间隔拍摄模式，
所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
每隔一段预设时间，控制所述相机模块在后台完成一次启动、拍摄和关闭的动作。
可选地，该方法还包括：预先设置距离上一次拍摄或者所述相机模块关闭的时间间隔。
可选地，该方法还包括：预先设置时间点，当到达时间点后自动开始进行间隔拍摄；或者，用户通过功能按键或预设手势动作开启所述相机模块，开始进行间隔拍摄。
可选地，该方法还包括：在拍摄过程中判断是否达到结束间隔拍摄的条件，如果达到结束间隔拍摄的条件，则结束拍摄。
可选地，所述结束间隔拍摄的条件是指间隔拍摄的时间点达到结束间隔拍摄的预设的时间点或持续时长，或者间隔拍摄达到了预设的间隔拍摄次数。
可选地，所述控制相机模块在后台启动、运行和关闭的步骤包括：
控制所述相机模块在后台启动后，在后台进行拍摄或者等待拍摄，所述相机模块的整个过程在后台进行，不占用该相机模块所在的拍摄装置的当前显示界面。
一种拍摄装置，包括设置模块、相机模块和后台控制模块，其中：
所述设置模块设置成：设置后台拍摄模式；
所述后台控制模块设置成：根据所述后台拍摄模式，控制所述相机模块在后台启动、运行和关闭。
可选地，所述后台拍摄模式为省电优选模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
一旦所述相机模块完成拍摄，就关闭所述相机模块，待下一次拍摄时再启动所述相机模块。
可选地，所述后台拍摄模式为延时关闭模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
检测到预设时间内无拍摄指令时，关闭所述相机模块。
可选地，后台控制模块设置成按照如下方式检测到预设时间内无拍摄指令时，关闭所述相机模块：
当所述相机模块启动后，超过预设时间没有接收到拍摄指令，则关闭所述相机模块；或者，
所述相机模块拍摄完成后，超过所述预设时间没有接收到所述拍摄指令，则关闭所述相机模块。
可选地，所述后台拍摄模式为定时拍摄模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到到达第一预设时间点后，控制所述相机模块在后台启动并拍摄；
检测到到达第二预设时间点后，关闭所述相机模块。
可选地，所述后台拍摄模式为间隔拍摄模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
每隔一段预设时间，控制所述相机模块在后台完成一次启动、拍摄和关闭的动作。
可选地，所述设置模块还设置成：预先设置距离上一次拍摄或者所述相机模块关闭的时间间隔。
可选地，所述设置模块还设置成：预先设置开始间隔拍摄时间点；
所述后台控制模块设置成按照如下方式控制所述相机模块开始所述间隔拍摄：当到达该时间点后控制所述相机模块开始进行间隔拍摄；或者，用户按下功能按键或预设手势动作后，控制所述相机模块开始进行间隔拍摄。
可选地，所述后台控制模块设置成按照如下方式控制所述相机模块结束所述间隔拍摄：在拍摄过程中判断是否达到结束间隔拍摄的条件，如果达到结束间隔拍摄的条件，则控制所述相机模块结束拍摄。
可选地，所述结束间隔拍摄的条件是指间隔拍摄的时间点达到结束间隔拍摄的预设的时间点或持续时长，或者间隔拍摄达到了预设的间隔拍摄次数。
可选地，所述后台控制模块设置成按照如下方式控制相机模块在后台启动、运行和关闭：
控制所述相机模块在后台启动后，在后台进行拍摄或者等待拍摄，所述相机模块的整个过程在后台进行，不占用该相机模块所在的拍摄装置的当前显示界面。
一种计算机程序，包括程序指令，当该程序指令被计算机执行时，使得该计算机可执行上述任意的后台拍摄方法。
一种载有所述计算机程序的载体。
本发明技术方案所提供的一种后台拍摄方法，在进行后台拍摄时，能够根据后台拍摄模式，自动控制相机模块在后台启动、运行和关闭。由于整个拍摄过程自动进行，且相机模块在后台运行，不占用当前的显示界面，用户可以实时查看、编辑和分享拍摄的照片或视频，也可以使用其它应用或功能，使得用户更加省心省力。同时，在后台拍摄过程中还通过各种策略启动或关闭相机模块，防止相机模块持续在后台运行而导致电能的无谓损耗，减小了电量损耗，节省了电能。
附图概述
图1是本发明的后台拍摄方法第一实施例的流程图；
图2是本发明的后台拍摄方法第二实施例的流程图；
图3是本发明的后台拍摄方法第三实施例的流程图；
图4是本发明的后台拍摄方法第四实施例的流程图；
图5是本发明的拍摄装置一实施例的结构框图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
本发明的较佳实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例的后台拍摄方法，拍摄装置预先设置后台拍摄模式，然后根据后台拍摄模式，控制相机模块在后台启动、运行或关闭。所述后台拍摄模式包括省电优选模式、延时关闭模式、定时拍摄模式、间隔拍摄模式等，所述相机模块的运行是指相机模块启动后等待拍摄和拍摄的过程。由于整个 拍摄过程在后台进行，不占用拍摄装置的当前显示界面，因此在后台拍摄过程中，不会影响用户使用拍摄装置的其它功能。
参见图1，提出本发明的后台拍摄方法第一实施例，所述后台拍摄方法包括以下步骤：
步骤S101：将后台拍摄模式设置为省电优先模式。
步骤S102：判断是否检测到预设的操作指令。
所述操作指令如相机启动指令、拍摄指令等，可以通过预设手势动作或功能按键来发布。
步骤S103：控制相机模块在后台启动并运行。
拍摄装置接收到操作指令后，随即在后台启动相机模块，并在后台运行，不占用当前的现实界面，用户可以继续操作拍摄装置的其它应用，使用其它功能。
具体的，以安卓系统为例，在普通拍摄模式下，通过Activity组件来实现拍摄和预览，其中Activity是一个应用程序组件，提供一个屏幕或交互界面，与用户进行交互来完成某项任务。Activity中所有操作都与用户密切相关，是一个负责与用户交互的组件，可以通过setContentView(View)来显示指定控件。在一个安卓应用中，一个Activity通常就是一个单独的屏幕，它上面可以显示一些控件也可以监听并处理用户的事件做出响应。Activity之间通过Intent进行通信。
在后台拍摄模式下，activity中的相机模块关闭，当前界面不再显示为拍摄界面。拍摄装置通过后台控制模块控制相机模块转为在后台服务(service)中运行，同时使用相机模块自带的setPreviewTexture()接口，而里面所需的参数SurfaceTexture则可以任意创建一个，由于不用显示预览画面，创建出来的类不需要做任何处理，这样就可以继续使用相机模块的拍摄功能。
步骤S103：相机模块完成拍摄。
相机模块启动后，根据拍摄指令进行拍摄，如进行摄像或照相。
具体的，当预设的按键被触发时，虽然在后台服务里无法得到响应，但在触发事件发生的原始地方框架层的PhoneWindowManager中有响应。因此 拍摄装置通过后台控制模块检测到预设按键被触发时，根据触发事件发布广播，以使用广播Intent来做响应事件让后台运行的相机模块接收。相机模块中预先注册了一个广播接收器，可以通过该接收器来接收广播，从而获取触发事件，并将该触发事件视为拍摄指令予以执行，如拍摄照片、开始拍摄视频、结束拍摄视频等。
步骤S104：关闭相机模块。
当完成摄像或照相后，拍摄装置随即关闭相机模块并返回步骤S102，由拍摄装置的后台服务等待下一次拍摄，当检测到操作指令时，再启动相机模块进行拍摄。
从而，通过每拍摄一次就关闭相机模块，待下一次拍摄时再启动相机模块进行拍摄，从而避免了在等待拍摄的过程中相机模块继续运行而导致不必要的电能损耗，节省了电量。
参见图2，提出本发明的后台拍摄方法第二实施例，所述后台拍摄方法包括以下步骤：
步骤S201：将后台拍摄模式设置为延时关闭模式。
在延时关闭模式下，预先设置了延时关闭的时间，即拍摄完多久后关闭所述相机模块，可以由用户自定义设置。
步骤S202：判断是否检测到预设的操作指令。
步骤S203：控制相机模块在后台启动。
步骤S204：控制相机模块在后台运行。
相机模块在后台运行，是指相机模块启动后在后台进行拍摄或者等待拍摄的过程。整个过程在后台进行，不占用拍摄装置当前显示界面，用户可以同时操作拍摄装置的其它应用，使用其它功能。
步骤S205：判断是否在预设时间内未接收到拍摄指令。
当相机模块启动后，超过预设时间没有接收到拍摄指令，或者相机模块启动后进行拍摄，拍摄完成后，超过预设时间没有再接收到拍摄指令，则进入本步骤S206。否则，相机模块继续在后台运行，拍摄或等待拍摄。
步骤S206：关闭相机模块。
当长时间没有接收到拍摄指令时，为了节省电量，拍摄装置则关闭相机模块并返回步骤S202，由拍摄装置的后台服务等待下一次拍摄，当检测到操作指令时，再启动相机模块进行拍摄。
本实施例适用于不清楚具体拍摄时间，而拍摄时又需要拍摄多张图片的场景。例如，拍摄某些动物的动作，由于不知道具体拍摄时间，所以只能等待，而拍摄时要拍出连贯的动作则需要拍摄的照片越多越好，此时若拍摄完一次就关闭的话，那么下一次拍摄时再启动就会耽误一定时间，无法实现快速抓拍。延时关闭模式则可以很好的处理这种情况，在延时关闭模式下，拍摄前先设置好延时关闭的时间，比如设置1分钟无操作后就关闭相机模块，开始拍摄后，等所要拍摄的目标开始动作时进行拍摄，并可以进行连续拍摄，待目标停止动作后拍摄停止，相机模块处于等待拍摄状态，若1分钟没有对相机模块的任何操作，拍摄装置则关闭相机模块，等待下一次的启动。这样就可以省去长时间等待拍摄时运行相机模块所耗费的电量。
本实施例不是每拍摄一次就关闭相机模块，而是等待一段时间看用户是否继续进行拍摄，当用户长时间不拍摄时，才关闭相机模块，待下一次拍摄时再启动相机模块。从而，通过延时关闭相机模块，既节省了电量，又防止了频繁的开关相机模块而降低了拍摄速度，二者兼顾，提升用户满意度。
参见图3，提出本发明的后台拍摄方法第三实施例，所述后台拍摄方法包括以下步骤：
步骤S301：将后台拍摄模式设置为定时拍摄模式。
在定时拍摄模式下，用户预先设置了定时时间，包括第一预设时间点和第二预设时间点，其中第一预设时间点为启动相机模块的时间点，第二预设时间点为关闭相机模块的时间点。
步骤S302：判断是否到达第一预设时间点。
拍摄装置通过计时模块判断当前是否到达第一预设时间点，若是，则进入步骤S303；否则，不予响应。
步骤S303：控制相机模块在后台启动。
若到达第一预设时间点，拍摄装置则在后台启动相机模块。
步骤S304：控制相机模块在后台进行拍摄。
所述拍摄可以是拍摄照片或者拍摄视频，拍摄照片时可以每隔预设时间拍摄一张照片或者连续拍摄。由于拍摄过程在后台进行，不占用拍摄装置当前显示界面，用户可以同时操作拍摄装置的其它应用，使用其它功能。
步骤S305：判断是否到达第二预设时间点。
拍摄装置通过计时模块判断当前是否到达第二预设时间点，若是，则进入步骤S306；否则，继续进行拍摄。
步骤S306：结束拍摄，关闭相机模块。
当到达第二预设时间点后，拍摄装置则结束拍摄，关闭相机模块。
定时拍摄模式适用的应用场景为知道拍摄的确切时间，比如拍摄日出、拍摄各种赛事等。以拍摄日出为例，用户知道日出开始和结束的大致时间，设置好定时时间后，用户可以在拍摄装置上使用其它应用或功能或者观赏日出，到达第一预设时间后，拍摄装置自动进行后台拍摄，如间隔的拍摄照片，用户可以进入相册欣赏照片并实时对外进行发布于他人共享，当到达第二预设时间后，拍摄装置则结束拍摄，关闭相机模块。
在定时拍摄过程中，相机模块自动在后台进行拍摄，用户可以实时查看、编辑和分享拍摄的照片或视频，也可以使用拍摄装置的其它应用或功能，使得用户更加省心省力。同时，仅在真正需要拍摄时启动相机模块，其它时间保持相机模块关闭，避免了电量的无谓损耗。
在某些实施例中，也可以仅设置第一预设时间而不设置第二预设时间，第二预设时间即结束拍摄时间由用户手动控制。
参见图4，提出本发明的后台拍摄方法第四实施例，所述后台拍摄方法包括以下步骤：
步骤S401：将后台拍摄模式设置为间隔拍摄模式。
在间隔拍摄模式下，预先设置了距离上一次拍摄或者相机模块关闭的时间间隔。
步骤S402：开始进行间隔拍摄。
可以预先设置时间点，当到达时间点后自动开始进行间隔拍摄；或者，用户通过功能按键或预设手势动作开启相机模块，开始进行间隔拍摄。
步骤S403：控制相机模块在后台启动。
步骤S404：控制相机模块进行拍摄。
所述拍摄可以是拍摄照片或者拍摄视频，拍摄照片时可以每隔预设时间拍摄一张照片或者连续拍摄。由于拍摄过程在后台进行，不占用拍摄装置当前显示界面，用户可以同时操作拍摄装置的其它应用，使用其它功能。
步骤S405：拍摄完成后，关闭相机模块。
当拍摄持续一定时间后或者拍摄的照片达到预设张数后，结束拍摄，关闭相机模块。
步骤S406：判断是否结束间隔拍摄。
用户可以手动控制结束间隔拍摄，拍摄装置也可以自动判断是否达到结束间隔拍摄的条件，如是否达到结束间隔拍摄的预设的时间点或持续时长，或者是否达到了预设的间隔拍摄次数等。若判断结果为是，则进入步骤S408；若判断结果为否，则进入步骤S407。
步骤S407：判断是否间隔了预设时间。
拍摄装置判断是否距离上一次拍摄或者相机模块关闭间隔了预设时间，若是，则返回步骤S403，进行下一轮拍摄；否则，继续进行等待，等待过程中同时判断是否结束间隔拍摄。
步骤S408：结束间隔拍摄。
本实施例通过预先设置好间隔时间，开始间隔拍摄后，自动在后台启动相机模块进行拍摄，拍摄完成后再自动关闭相机模块，待间隔预设时间后再进行下一轮拍摄，如此循环往复自动进行拍摄。在间隔拍摄过程中，用户可以实时查看、编辑和分享照片或视频，也可以使用拍摄装置的其它应用或功能，使得用户更加省心省力。同时，间隔拍摄过程中，只有拍摄时相机模块才会耗电，而在等待拍摄的间隔时间里因相机模块关闭而不会耗电，减少了电量损耗。
参见图5，提出本发明的拍摄装置一实施例，所述拍摄装置包括后台控制模块501、设置模块502和相机模块503。
设置模块502设置成：设置后台拍摄模式。其中，后台拍摄模式包括省电优选模式、延时关闭模式、定时拍摄模式、间隔拍摄模式等。
相机模块503设置成：拍摄照片或视频，并在后台控制模块的控制下进行后台拍摄。
后台控制模块501设置成：根据后台拍摄模式，控制相机模块在后台启动、运行和关闭。
当后台拍摄模式为省电优选模式时，后台控制模块检测到预设的操作指令后，控制相机模块在后台启动并运行；当相机模块完成拍摄后，关闭相机模块，并等待下一次拍摄的操作指令。
当后台拍摄模式为延时关闭模式时，后台控制模块检测到预设的操作指令后，控制相机模块在后台启动并运行；检测到预设时间内无拍摄指令时，关闭相机模块，并等待下一次拍摄的操作指令。
当后台拍摄模式为定时拍摄模式时，后台控制模块检测到到达第一预设时间点后，控制相机模块在后台启动并拍摄；检测到到达第二预设时间点后，关闭相机模块。
当后台拍摄模式为间隔拍摄模式时，后台控制模块每隔预设时间，控制相机模块在后台完成一次启动、拍摄和关闭的动作。
可选地，
所述后台拍摄模式为省电优选模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
一旦所述相机模块完成拍摄，就关闭所述相机模块，待下一次拍摄时再启动所述相机模块。
可选地，
所述后台拍摄模式为延时关闭模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
检测到预设时间内无拍摄指令时，关闭所述相机模块。
可选地，后台控制模块设置成按照如下方式检测到预设时间内无拍摄指令时，关闭所述相机模块：
当所述相机模块启动后，超过预设时间没有接收到拍摄指令，则关闭所述相机模块；或者，
所述相机模块拍摄完成后，超过所述预设时间没有接收到所述拍摄指令，则关闭所述相机模块。
可选地，
所述后台拍摄模式为定时拍摄模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
检测到到达第一预设时间点后，控制所述相机模块在后台启动并拍摄；
检测到到达第二预设时间点后，关闭所述相机模块。
可选地，
所述后台拍摄模式为间隔拍摄模式，
所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
每隔一段预设时间，控制所述相机模块在后台完成一次启动、拍摄和关闭的动作。
可选地，所述设置模块还设置成：预先设置距离上一次拍摄或者所述相机模块关闭的时间间隔。
可选地，所述设置模块还设置成：预先设置开始间隔拍摄时间点；
所述后台控制模块设置成按照如下方式控制所述相机模块开始所述间隔拍摄：当到达该时间点后控制所述相机模块开始进行间隔拍摄；或者，用户按下功能按键或预设手势动作后，控制所述相机模块开始进行间隔拍摄。
可选地，所述后台控制模块设置成按照如下方式控制所述相机模块结束 所述间隔拍摄：在拍摄过程中判断是否达到结束间隔拍摄的条件，如果达到结束间隔拍摄的条件，则控制所述相机模块结束拍摄。
可选地，所述结束间隔拍摄的条件是指间隔拍摄的时间点达到结束间隔拍摄的预设的时间点或持续时长，或者间隔拍摄达到了预设的间隔拍摄次数。
可选地，所述后台控制模块设置成按照如下方式控制相机模块在后台启动、运行和关闭：
控制所述相机模块在后台启动后，在后台进行拍摄或者等待拍摄，所述相机模块的整个过程在后台进行，不占用该相机模块所在的拍摄装置的当前显示界面。
本实施例的拍摄装置进行后台拍摄的具体流程如上述方法实施例所述，上述方法实施例中的技术特征在本装置均对应适用，这里不再重述。
从而，本发明的拍摄装置，在进行后台拍摄时，能够根据后台拍摄模式，自动控制相机模块在后台启动、运行和关闭。由于整个拍摄过程自动进行，且相机模块在后台运行，不占用当前的显示界面，用户可以实时查看、编辑和分享拍摄的照片或视频，也可以使用其它应用或功能，使得用户更加省心省力。同时，还通过各种策略启动或关闭相机模块来达到节省电量的目的，防止相机模块持续在后台运行而导致电能的无谓损耗。
需要说明的是：上述实施例提供的拍摄装置在进行后台拍摄时，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成。另外，上述实施例提供的拍摄装置与后台拍摄方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
本发明实施例公开了一种计算机程序，包括程序指令，当该程序指令被计算机执行时，使得该计算机可执行上述任意的后台拍摄方法。
本发明实施例还公开了一种载有上述计算机程序的载体。
本领域普通技术人员可以理解,实现上述实施例方法中的全部或部分步 骤可以通过程序来控制相关的硬件完成，所述的程序可以存储于一计算机可读取存储介质中，所述的存储介质可以是ROM/RAM、磁盘、光盘等。
以上参照附图说明了本发明的优选实施例，并非因此局限本发明的权利范围。本领域技术人员不脱离本发明的范围和实质，可以有多种变型方案实现本发明，比如作为一个实施例的特征可用于另一实施例而得到又一实施例。凡在运用本发明的技术构思之内所作的任何修改、等同替换和改进，均应在本发明的权利范围之内。
工业实用性
本发明技术方案所提供的一种后台拍摄方法，在进行后台拍摄时，能够根据后台拍摄模式，自动控制相机模块在后台启动、运行和关闭。由于整个拍摄过程自动进行，且相机模块在后台运行，不占用当前的显示界面，用户可以实时查看、编辑和分享拍摄的照片或视频，也可以使用其它应用或功能，使得用户更加省心省力。同时，在后台拍摄过程中还通过各种策略启动或关闭相机模块，防止相机模块持续在后台运行而导致电能的无谓损耗，减小了电量损耗，节省了电能。因此本发明具有很强的工业实用性。

Claims (23)

  1. 一种后台拍摄方法，包括如下步骤：
    设置后台拍摄模式；
    根据所述后台拍摄模式，控制相机模块在后台启动、运行和关闭。
  2. 根据权利要求1所述的后台拍摄方法，其中，
    所述后台拍摄模式为省电优选模式，
    所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
    检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
    一旦所述相机模块完成拍摄，就关闭所述相机模块，待下一次拍摄时再启动所述相机模块。
  3. 根据权利要求1所述的后台拍摄方法，其中，
    所述后台拍摄模式为延时关闭模式，
    所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
    检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
    检测到预设时间内无拍摄指令时，关闭所述相机模块。
  4. 根据权利要求3所述的后台拍摄方法，其中，所述检测到预设时间内无拍摄指令时，关闭所述相机模块的步骤包括：
    当所述相机模块启动后，超过预设时间没有接收到拍摄指令，则关闭所述相机模块；或者，
    所述相机模块拍摄完成后，超过所述预设时间没有接收到所述拍摄指令，则关闭所述相机模块。
  5. 根据权利要求1所述的后台拍摄方法，其中，
    所述后台拍摄模式为定时拍摄模式，
    所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
    检测到到达第一预设时间点后，控制所述相机模块在后台启动并拍摄；
    检测到到达第二预设时间点后，关闭所述相机模块。
  6. 根据权利要求5所述的后台拍摄方法，其中，所述第一预设时间点为 启动所述相机模块的时间点，第二预设时间点为关闭所述相机模块的时间点。
  7. 根据权利要求1所述的后台拍摄方法，其中，
    所述后台拍摄模式为间隔拍摄模式，
    所述根据后台拍摄模式控制相机模块在后台启动、运行或关闭的步骤包括：
    每隔一段预设时间，控制所述相机模块在后台完成一次启动、拍摄和关闭的动作。
  8. 根据权利要求7所述的后台拍摄方法，该方法还包括：预先设置距离上一次拍摄或者所述相机模块关闭的时间间隔。
  9. 根据权利要求7所述的后台拍摄方法，该方法还包括：预先设置时间点，当到达时间点后自动开始进行间隔拍摄；或者，用户通过功能按键或预设手势动作开启所述相机模块，开始进行间隔拍摄。
  10. 根据权利要求9所述的后台拍摄方法，该方法还包括：在拍摄过程中判断是否达到结束间隔拍摄的条件，如果达到结束间隔拍摄的条件，则结束拍摄。
  11. 根据权利要求10所述的后台拍摄方法，其中，所述结束间隔拍摄的条件是指间隔拍摄的时间点达到结束间隔拍摄的预设的时间点或持续时长，或者间隔拍摄达到了预设的间隔拍摄次数。
  12. 根据权利要求1-11中任一项所述的后台拍摄方法，其中，所述控制相机模块在后台启动、运行和关闭的步骤包括：
    控制所述相机模块在后台启动后，在后台进行拍摄或者等待拍摄，所述相机模块的整个过程在后台进行，不占用该相机模块所在的拍摄装置的当前显示界面。
  13. 一种拍摄装置，包括设置模块、相机模块和后台控制模块，其中：
    所述设置模块设置成：设置后台拍摄模式；
    所述后台控制模块设置成：根据所述后台拍摄模式，控制所述相机模块在后台启动、运行和关闭。
  14. 根据权利要求13所述的拍摄装置，其中，
    所述后台拍摄模式为省电优选模式，
    所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
    检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
    一旦所述相机模块完成拍摄，就关闭所述相机模块，待下一次拍摄时再启动所述相机模块。
  15. 根据权利要求13所述的拍摄装置，其中，
    所述后台拍摄模式为延时关闭模式，
    所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
    检测到预设的操作指令后，控制所述相机模块在后台启动并运行；
    检测到预设时间内无拍摄指令时，关闭所述相机模块。
  16. 根据权利要求15所述的后台拍摄装置，其中，后台控制模块设置成按照如下方式检测到预设时间内无拍摄指令时，关闭所述相机模块：
    当所述相机模块启动后，超过预设时间没有接收到拍摄指令，则关闭所述相机模块；或者，
    所述相机模块拍摄完成后，超过所述预设时间没有接收到所述拍摄指令，则关闭所述相机模块。
  17. 根据权利要求13所述的拍摄装置，其中，
    所述后台拍摄模式为定时拍摄模式，
    所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
    检测到到达第一预设时间点后，控制所述相机模块在后台启动并拍摄；
    检测到到达第二预设时间点后，关闭所述相机模块。
  18. 根据权利要求13所述的拍摄装置，其中，
    所述后台拍摄模式为间隔拍摄模式，
    所述后台控制模块设置成按照如下方式根据后台拍摄模式控制相机模块在后台启动、运行或关闭：
    每隔一段预设时间，控制所述相机模块在后台完成一次启动、拍摄和关闭的动作。
  19. 根据权利要求18所述的后台拍摄装置，所述设置模块还设置成：预先设置距离上一次拍摄或者所述相机模块关闭的时间间隔。
  20. 根据权利要求18所述的后台拍摄装置，其中，
    所述设置模块还设置成：预先设置开始间隔拍摄时间点；
    所述后台控制模块设置成按照如下方式控制所述相机模块开始所述间隔拍摄：当到达该时间点后控制所述相机模块开始进行间隔拍摄；或者，用户按下功能按键或预设手势动作后，控制所述相机模块开始进行间隔拍摄。
  21. 根据权利要求20所述的后台拍摄装置，所述后台控制模块设置成按照如下方式控制所述相机模块结束所述间隔拍摄：在拍摄过程中判断是否达到结束间隔拍摄的条件，如果达到结束间隔拍摄的条件，则控制所述相机模块结束拍摄。
  22. 根据权利要求21所述的后台拍摄装置，其中，所述结束间隔拍摄的条件是指间隔拍摄的时间点达到结束间隔拍摄的预设的时间点或持续时长，或者间隔拍摄达到了预设的间隔拍摄次数。
  23. 根据权利要求13-22中任一项所述的后台拍摄装置，其中，所述后台控制模块设置成按照如下方式控制相机模块在后台启动、运行和关闭：
    控制所述相机模块在后台启动后，在后台进行拍摄或者等待拍摄，所述相机模块的整个过程在后台进行，不占用该相机模块所在的拍摄装置的当前显示界面。
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