WO2017215214A1 - 调整相机焦距的方法、系统、及移动终端 - Google Patents

调整相机焦距的方法、系统、及移动终端 Download PDF

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Publication number
WO2017215214A1
WO2017215214A1 PCT/CN2016/109869 CN2016109869W WO2017215214A1 WO 2017215214 A1 WO2017215214 A1 WO 2017215214A1 CN 2016109869 W CN2016109869 W CN 2016109869W WO 2017215214 A1 WO2017215214 A1 WO 2017215214A1
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WIPO (PCT)
Prior art keywords
camera
proximity sensor
moving
focal length
distance
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PCT/CN2016/109869
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English (en)
French (fr)
Inventor
冯剑明
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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Priority to US15/555,558 priority Critical patent/US10594923B2/en
Publication of WO2017215214A1 publication Critical patent/WO2017215214A1/zh
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • 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
    • H04N23/67—Focus control based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6812—Motion detection based on additional sensors, e.g. acceleration sensors

Definitions

  • the present invention relates to the field of mobile terminals, and in particular, to a method, system, and mobile terminal for adjusting a focal length of a camera.
  • an object of the present invention is to provide a method, system, and mobile terminal for adjusting a focal length of a camera, which aims to solve the problem of poor operability and low stability of a camera zoom mode in the prior mobile terminal.
  • a method of adjusting a focal length of a camera comprising the steps of:
  • the camera When the camera is photographed by the mobile terminal, it is determined whether the distance between the current finger and the proximity sensor enters the effective distance of the proximity sensor, wherein the proximity sensor is disposed on the multi-function button on the side of the mobile terminal;
  • the moving direction, moving distance and moving time information of the finger are monitored in real time by the proximity sensor and uploaded to the camera application processor;
  • the camera application processor performs data analysis on the moving direction, the moving distance, and the moving time information, and adjusts a focal length of the camera according to the analysis result.
  • the method further includes:
  • the proximity sensor ends the work when it is not within the effective distance.
  • the effective distance is 15 mm.
  • the proximity sensor comprises a light emitter and a light receiver for calculating the moving direction, the moving distance, and the moving time.
  • the camera application processor performs data analysis on the moving direction, the moving distance, and the moving time information, and adjusts a focal length of the camera according to the analysis result, including:
  • the camera application processor matches the focus mode according to the analysis result, and adjusts the focal length of the camera accordingly.
  • the step of setting the focus mode in the focus mode in the camera application processor in advance comprises:
  • the focal length of the camera is adjusted to reduce the screen by 0.1 times;
  • the focal length of the camera is adjusted to reduce the screen by one time
  • the camera focal length is adjusted to enlarge the picture by 0.1 times;
  • the focal length of the camera is adjusted to enlarge the picture by one time.
  • step of setting the focus mode in the focus mode in the camera application processor in advance further comprises:
  • the proximity sensor detects that the finger moves from top to bottom or from bottom to top within the effective distance of the proximity sensor, and the moving distance is >5 mm, the moving time is >30 ms, or the moving distance is ⁇ 5 mm, and the moving time is ⁇ 30 ms.
  • the camera application processor then filters the camera's focal length to filter the movement of the fingers.
  • a system for adjusting the focal length of a camera comprising:
  • the real-time monitoring uploading module is configured to monitor the moving direction, the moving distance, and the moving time information of the finger in real time through the proximity sensor disposed on the side multi-function button when the mobile terminal camera takes a photo;
  • the analysis processing module is configured to perform data analysis on the moving direction, the moving distance, and the moving time information, and adjust a focal length of the camera according to the analysis result.
  • the method further comprises:
  • the determining module is configured to determine whether the distance between the current finger and the proximity sensor enters the effective distance of the proximity sensor, and if yes, turn on the real-time detection upload module, and if not, end the work.
  • the determining module comprises:
  • the setting unit sets the effective distance of the proximity sensor according to the user's usage habits.
  • the effective distance is 15 mm.
  • the proximity sensor comprises a light emitter and a light receiver for calculating the moving direction, the moving distance, and the moving time.
  • the analysis processing module comprises:
  • a preset unit configured to set a focus mode in the camera application processor in advance
  • a focusing unit configured to, by the camera application processor, match the focusing mode according to the analysis result, and adjust a focal length of the camera accordingly.
  • the focusing unit comprises:
  • a first reduction subunit configured to: when the proximity sensor detects that the finger moves from top to bottom within an effective distance range of the proximity sensor, and the moving distance is less than or equal to 5 mm, and adjust the focal length of the camera to reduce the screen by 0.1 when the moving time is ⁇ 30 ms Times
  • a second reduction subunit configured to adjust the focal length of the camera to reduce the zoom when the proximity sensor detects that the finger moves from top to bottom within the effective distance range of the proximity sensor, and the moving distance is less than or equal to 30 mm. 1 times;
  • a first expansion subunit configured to: when the proximity sensor detects that the finger moves from bottom to top within an effective distance range of the proximity sensor, and the moving distance is less than or equal to 5 mm, and adjust the focal length of the camera to increase the screen by 0.1 when the moving time is ⁇ 30 ms Times;
  • a second expansion subunit configured to: when the proximity sensor detects that the finger moves from bottom to top within an effective distance range of the proximity sensor, and the moving distance is >5 mm, and adjust the focal length of the camera when the moving time is less than 30 ms, so that the screen is expanded by 1 Times.
  • the focusing unit further comprises:
  • a filtering subunit configured to move from top to bottom or from bottom to top when the proximity sensor detects that the finger is within an effective distance of the proximity sensor, and the moving distance is >5 mm, the moving time is >30 ms, or the moving distance is ⁇ 5 mm, When the movement time is ⁇ 30 ms, the camera application processor filters the movement of the above-mentioned finger to the camera focal length.
  • a mobile terminal includes:
  • the proximity sensor is disposed on the multi-function button on the side of the mobile terminal;
  • One or more processors including a camera application processor
  • One or more applications one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the camera application processor, the one or more applications
  • the program includes operational instructions to perform the following steps:
  • the moving direction, the moving distance and the moving time information of the finger are monitored in real time by the proximity sensor, and the moving direction, the moving distance, and the moving time information are uploaded to the camera application processor;
  • the camera application processor performs data analysis on the moving direction, the moving distance, and the moving time information, and adjusts a focal length of the camera according to the analysis result.
  • the operating instruction further comprises performing the following steps:
  • the camera processor determines whether a distance between the current finger and the proximity sensor enters an effective distance of the proximity sensor, the effective distance being dependent on a user's usage habit;
  • the proximity sensor performs real-time monitoring when taking a picture
  • the camera application processor performs data analysis on the moving direction, the moving distance, and the moving time information, and adjusts a focal length of the camera according to the analysis result, including:
  • the camera application processor matches the focus mode according to the analysis result, and adjusts the focal length of the camera accordingly.
  • the step of setting the focusing mode in the focusing mode in the camera application processor in advance comprises:
  • the focal length of the camera is adjusted to reduce the screen by 0.1 times;
  • the focal length of the camera is adjusted to reduce the screen by one time
  • the focal length of the camera is adjusted to enlarge the picture by 0.1 times;
  • the focal length of the camera is adjusted to enlarge the picture by one time.
  • step of setting the focus mode in the focus mode in the camera application processor in advance further comprises:
  • the proximity sensor detects that the finger moves from top to bottom or from bottom to top within the effective distance of the proximity sensor, and the moving distance is >5 mm, the moving time is >30 ms, or the moving distance is ⁇ 5 mm, and the moving time is ⁇ 30 ms.
  • the camera application processor then filters the camera's focal length to filter the movement of the fingers.
  • the invention monitors the movement information of the finger above the proximity sensor through a proximity sensor disposed on the multi-function button on the side of the mobile terminal, and achieves the purpose of focusing by the movement information.
  • the method for adjusting the focal length of the camera disclosed by the invention has the advantages of simple operation, high stability, and can effectively improve the imaging quality.
  • FIG. 1 is a flow chart of a preferred embodiment of a method for adjusting a camera focal length based on a multi-function button on a side of a mobile terminal.
  • FIG 2 is a flow chart of the step S2 of Figure 1 of the present invention.
  • FIG. 3 is a structural block diagram of a system for adjusting a camera focal length based on a multi-function button on a side of a mobile terminal according to the present invention.
  • FIG. 4 is another structural block diagram of a preferred embodiment of a system for adjusting a camera focal length based on a multi-function button on a side of a mobile terminal according to the present invention.
  • FIG. 5 is a structural block diagram of a mobile terminal according to the present invention.
  • the present invention provides a method and system for adjusting the focal length of a camera based on a multi-function button on the side of a mobile terminal.
  • the present invention will be further described in detail below in order to make the objects, technical solutions and effects of the present invention more clear and clear. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a flowchart of a preferred embodiment of a method for adjusting a camera focal length based on a multi-function button on a side of a mobile terminal. As shown in the figure, the method includes the following steps:
  • the moving direction, the moving distance and the moving time information of the finger are monitored in real time by the proximity sensor disposed on the side multi-function button, and the moving direction, the moving distance and the moving time are monitored.
  • Information is uploaded to the camera application processor;
  • the camera application processor performs data analysis on the moving direction, the moving distance, and the moving time information, and adjusts a focal length of the camera according to the analysis result.
  • the side multi-function button of the mobile terminal is provided with a proximity sensor.
  • the proximity sensor monitors moving direction, moving distance and moving time information of the finger above the proximity sensor in real time and uploads the moving direction, moving distance and moving time information to a camera application processor, the camera application
  • the processor performs data analysis according to the moving direction, the moving distance, and the moving time information, and adjusts the focal length of the camera according to the analysis result.
  • the method for adjusting the focal length of the camera disclosed by the invention has the advantages of simple operation, high stability, and effective improvement of image quality.
  • the method further comprises: determining whether the distance between the current finger and the proximity sensor is within the effective distance of the proximity sensor, and if yes, proceeding to step S1; if not, ending the operation.
  • the proximity sensor is provided with an effective distance, for example, the effective distance is 15 mm, that is, the proximity sensor starts monitoring the finger in real time only when the distance between the finger and the proximity sensor is less than or equal to 15 mm. Transmitting a moving direction, moving distance, and moving time information above the sensor and uploading the moving direction, moving distance, and moving time information to a camera application processor, the camera application processor according to the moving direction, moving distance, and movement The time information adjusts the focal length of the camera.
  • the effective distance may also be set to other values, and the effective distance value may be set according to the user's usage habits. By setting an effective distance to the proximity sensor, the invention can effectively avoid the user's fault operation and reduce the power consumption of the proximity sensor.
  • the proximity sensor includes a light emitter and a light receiver, and the moving direction, the moving distance, and the moving time are calculated by the light emitter and the light receiver (specifically The calculation method is prior art and will not be described in detail here.
  • the camera application processor adjusts the focal length of the camera according to the moving direction, the moving distance and the moving time information.
  • the step S2 specifically includes:
  • the camera application processor matches the focus mode according to the analysis result, and adjusts a focal length of the camera accordingly.
  • the camera application processor is electrically connected to the proximity sensor through an I2C control bus, and the proximity sensor uploads the detected finger moving direction, moving distance and moving time to the camera application processor,
  • a predetermined focus mode is stored in the camera application processor. Further, in the present invention, the predetermined focus mode specifically includes:
  • the camera application processor controls the camera to adjust the focal length to make the screen Reduced by 0.1 times;
  • the camera application processor controls the camera to adjust the focal length to make the picture Reduce by 1 time;
  • the camera application processor controls the camera to adjust the focal length to make the screen Expand by 0.1 times;
  • the camera application processor controls the camera to adjust the focal length to make the picture Doubled.
  • the predetermined focusing mode further includes:
  • the camera application processor does not process the camera focal length.
  • the camera application processor does not process the camera focal length.
  • the camera application processor matches the predetermined focus mode according to the moving direction, the moving distance, and the moving time information, and adjusts the focal length of the camera accordingly.
  • the invention only needs the user to move the finger over the proximity sensor, so that the focal length of the camera of the mobile terminal can be adjusted, the operation is simple, the stability is high, and the imaging quality can be effectively improved.
  • the present invention further provides a system for adjusting a camera focal length based on a multi-function button on a side of a mobile terminal, as shown in FIG. 3, including:
  • the real-time monitoring uploading module 100 is configured to monitor the moving direction, the moving distance and the moving time information of the finger in real time through the proximity sensor disposed on the side multi-function button when the user performs the photographing by using the mobile terminal camera, and the moving direction is , moving distance and moving time information are uploaded to the camera application processor;
  • the analysis processing module 200 is configured to perform data analysis on the moving direction, the moving distance, and the moving time information by the camera application processor, and adjust a focal length of the camera according to the analysis result.
  • the system 400 for adjusting the camera focal length includes:
  • the proximity sensor 41 is disposed on the multi-function button on the side of the mobile terminal.
  • the proximity sensor 41 includes a light emitter 411 and a light receiver 412 for calculating the moving direction, the moving distance, and the moving time.
  • the determining module 42 is configured to determine whether the distance between the current finger and the proximity sensor 41 is within the effective distance of the proximity sensor. If yes, the real-time detection upload module is turned on, and if not, the operation ends.
  • determining module 42 comprises:
  • the setting unit 421 sets an effective distance of the proximity sensor according to a usage habit of the user, for example, the effective distance is 15 mm.
  • the real-time monitoring uploading module 43 is configured to monitor the moving direction, the moving distance, and the moving time information of the finger in real time through the proximity sensor disposed on the side multi-function button when the mobile terminal camera performs the photographing.
  • the analysis processing module 44 is configured to perform data analysis on the moving direction, the moving distance, and the moving time information, and adjust a focal length of the camera according to the analysis result.
  • the analysis processing module 44 includes:
  • a preset unit 441, configured to preset a focus mode in the camera application processor
  • the focusing unit 442 is configured to, by the camera application processor, match the focusing mode according to the analysis result, and adjust a focal length of the camera accordingly.
  • the focusing unit 442 includes:
  • the first reduction sub-unit 4421 is configured to adjust the focal length of the camera to reduce the zoom when the proximity sensor detects that the finger moves from top to bottom within the effective distance range of the proximity sensor, and the moving distance is less than or equal to 5 mm. 0.1 times;
  • the second reduction sub-unit 4422 is configured to adjust the focal length of the camera when the proximity sensor detects that the finger moves from top to bottom within the effective distance range of the proximity sensor, and when the movement time is less than 30 ms, adjust the camera focal length to make the screen Reduce by 1 time;
  • the first expanding sub-unit 4423 is configured to adjust the focal length of the camera to expand the screen when the proximity sensor detects that the finger moves from bottom to top within the effective distance range of the proximity sensor, and the moving distance is less than or equal to 5 mm. 0.1 times;
  • a second expansion sub-unit 4424 configured to: when the proximity sensor detects that the finger moves from bottom to top within an effective distance range of the proximity sensor, and moves the distance>5 mm, when the movement time is less than 30 ms, adjust the focal length of the camera to enlarge the screen 1 times.
  • the filtering subunit 4425 is configured to move from top to bottom or from bottom to top when the proximity sensor detects that the finger is within the effective distance of the proximity sensor, and the moving distance is >5 mm, the moving time is >30 ms, or the moving distance is less than 5 mm.
  • the camera application processor filters the movement of the above-mentioned finger on the focal length of the camera.
  • the illustrated mobile terminal 500 includes:
  • the proximity sensor 51 is disposed on the multi-function button on the side of the mobile terminal;
  • One or more processors 53 including a camera application processor 531;
  • One or more applications 55 are One or more applications 55.
  • the one or more applications 55 are stored in the memory 54 and configured to be executed by the camera application processor 531, the one or more applications 55 including operational instructions to perform the above-described adjustment of the camera focal length The method or run the above system to adjust the camera's focal length.
  • the present invention monitors the movement information of the finger above the proximity sensor through a proximity sensor disposed on the multi-function button on the side of the mobile terminal, and achieves the purpose of focusing by the movement information.
  • the method for adjusting the focal length of the camera disclosed by the invention has the advantages of simple operation, high stability, and can effectively improve the imaging quality.

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Abstract

一种调整相机焦距的方法、系统及终端设备，拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并上传至相机应用处理器；所述相机应用处理器对所述移动方向、移动距离和移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。

Description

调整相机焦距的方法、系统、及移动终端 技术领域
本发明涉及移动终端领域，尤其涉及一种调整相机焦距的方法、系统、及移动终端。
 背景技术
随着移动终端的普及，越来越多的用户使用移动终端来拍摄照片。然而当前的移动终端大部分都是需要通过双指在屏幕上的移动来进行变焦。采用这种变焦方式所带来的问题是，双手横握移动终端拍照的时候，一只手需要离开，在屏幕上进行变焦操作，完成变焦后又重新握持手机。然而，由于手的离开和重新握持，可能会引起移动终端的晃动，进而需要重新来变焦，不仅操作性差、而且稳定性低。
因此，现有技术还有待于改进和发展。
 技术问题
鉴于上述现有技术的不足，本发明的目的在于提供一种调整相机焦距的方法、系统、及移动终端，旨在解决现有移动终端中的相机变焦方式可操作性差、稳定性低的问题。
 技术解决方案
本发明的技术方案如下：
一种调整相机焦距的方法，其包括步骤：
在移动终端摄像头进行拍照时，判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，其中所述接近传感器设置在移动终端侧边多功能按键上；
当在有效距离内时，通过所述接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并上传至相机应用处理器；以及
所述相机应用处理器对所述移动方向、所述移动距离和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
优选地，所述在移动终端摄像头进行拍照时，判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，还包括：
设置所述接近传感器的有效距离，所述有效距离取决于用户的使用习惯；以及
当不在有效距离内时，所述接近传感器结束工作。
优选地，其中所述有效距离为15mm。
优选地，其中所述接近传感器包括光线发射器和光线接收器，用于计算所述移动方向、所述移动距离、和所述移动时间。
优选地，其中所述步骤所述相机应用处理器对所述移动方向、所述移动距离和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整，包括：
预先在所述相机应用处理器中设置调焦模式；
所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
优选地，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式具体包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；以及
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
优选地，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式还包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
一种调整相机焦距的系统，其包括：
实时监测上传模块，用于在移动终端摄像头进行拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离、和移动时间信息；以及
分析处理模块，用于对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
优选地，其中还包括：
判断模块，用于判断当前手指与所述接近传感器之间的距离是否进入到所述接近传感器的有效距离内，若是，则开启所述实时检测上传模块，若否，则结束工作。
优选地，其中所述判断模块包括：
设置单元，根据用户的使用习惯，设置所述接近传感器的有效距离。
优选地，其中所述有效距离为15mm。
优选地，其中所述接近传感器包括光线发射器和光线接收器，用于计算所述移动方向、所述移动距离、和所述移动时间。
优选地，其中所述分析处理模块包括：
预设单元，用于预先在所述相机应用处理器中设置调焦模式；以及
调焦单元，用于所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
优选地，其中所述调焦单元包括：
第一缩小子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
第二缩小子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
第一扩大子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；以及
第二扩大子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
优选地，其中所述调焦单元还包括：
过滤子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
一种移动终端，其包括：
接近传感器，设置于移动终端侧边多功能按键上；
摄像头；
一个或多个处理器，包括相机应用处理器；
存储器；以及
一个或多个应用程序，一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述相机应用处理器执行，所述一个或多个应用程序包括操作指令以执行如下步骤：
当利用所述摄像头进行拍照时，通过所述接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并将所述移动方向、移动距离、和移动时间信息上传至相机应用处理器；以及
所述相机应用处理器对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
优选地，其中所述操作指令还包括执行如下步骤：
所述相机处理器判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，所述有效距离取决于用户的使用习惯；
若是，则当拍照时，所述接近传感器进行实时监测；
若否，则结束所述接近传感器的工作。
优选地，其中所述步骤所述相机应用处理器对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整，包括：
预先在所述相机应用处理器中设置调焦模式；
所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
优选地，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
优选地，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式还包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
 有益效果
本发明通过设置在移动终端侧边多功能按键上的接近传感器对手指在所述接近传感器上方的移动信息进行监测，通过所述移动信息来实现调焦的目的。本发明公开的调整相机焦距的方法，其操作简单、稳定性高，能有效提高成像质量。
附图说明
图1为本发明基于移动终端侧边多功能按键调整相机焦距的方法较佳实施例的流程图。
图2为本发明图1步骤S2中的流程图。
图3为本发明基于移动终端侧边多功能按键调整相机焦距的系统较佳实施例的结构框图。
图4为本发明基于移动终端侧边多功能按键调整相机焦距的系统较佳实施例的另一结构框图。
图5为本发明移动终端的结构框图。
 本发明的最佳实施方式
本发明提供基于移动终端侧边多功能按键调整相机焦距方法及系统，为使本发明的目的、技术方案及效果更加清楚、明确，以下对本发明进一步详细说明。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。
请参阅图1，图1为本发明基于移动终端侧边多功能按键调控相机焦距的方法较佳实施例的流程图，如图所示，其包括步骤：
S1、当用户利用移动终端摄像头进行拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并将所述移动方向、移动距离和移动时间信息上传至相机应用处理器；
S2、所述相机应用处理器对所述移动方向、移动距离和移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
在本发明中，移动终端的侧边多功能按键上设置有接近传感器，当用户双手握持手机进行拍照时，可通过握持手机时的手指在所述接近传感器上的移动，来实现调焦的目的。具体地，所述接近传感器实时监测手指在所述接近传感器上方的移动方向、移动距离和移动时间信息并将所述移动方向、移动距离和移动时间信息上传至相机应用处理器，所述相机应用处理器根据所述移动方向、移动距离和移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。本发明公开的调整相机焦距的方法，其操作简单、稳定性高，并且能有效提高成像质量。
在所述步骤S1之前还包括，判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，当是时，则进入到步骤S1；当否时则结束工作。具体地，所述接近传感器设置有一个有效距离，例如所述有效距离为15mm，即只有当手指与所述接近传感器之间的距离小于等于15mm时，所述接近传感器才开始实时监测手指在所述接近传感器上方的移动方向、移动距离和移动时间信息并将所述移动方向、移动距离和移动时间信息上传至相机应用处理器，所述相机应用处理器根据所述移动方向、移动距离和移动时间信息对摄像头的焦距进行调整。当然所述有效距离也可以为设置为其它的数值，所述有效距离值可根据用户的使用习惯进行设置。本发明通过对接近传感器设置一个有效距离，可有效避免用户的失误操作，同时可减少接近传感器的功耗。
进一步，在本发明中，所述接近传感器包括光线发射器和光线接收器两部分，所述移动方向、移动距离和移动时间都是通过所述光线发射器和光线接收器两部分计算的（具体的计算方法为现有技术，在此不做详细说明）。
在所述步骤S2中，所述相机应用处理器根据所述移动方向、移动距离和移动时间信息对摄像头的焦距进行调整，如图2所示，所述步骤S2具体包括：
S21、预先在所述相机应用处理器中设置调焦模式；
S22、所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
具体地，所述相机应用处理器一端通过I2C控制总线与所述接近传感器电连接，所述接近传感器将监测到的手指移动方向、移动距离和移动时间上传至所述相机应用处理器，所述相机应用处理器中存储有预定的调焦模式，进一步，在本发明中，所述预定的调焦模式具体包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，此时，所述相机应用处理器控制摄像头调整焦距，使画面缩小0.1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离＞5mm，移动时间＜30ms时，此时，所述相机应用处理器控制摄像头调整焦距，使画面缩小1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，此时，所述相机应用处理器控制摄像头调整焦距，使画面扩大0.1倍；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，此时，所述相机应用处理器控制摄像头调整焦距，使画面扩大1倍。
更进一步，所述预定的调焦模式还包括：
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms时，则相机应用处理器对摄像头焦距不做处理；
当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＜5mm，移动时间＜30ms时，相机应用处理器对摄像头焦距同样不做处理。
上述两种对摄像头焦距不做处理的情况，通常是因为用户的误操作导致的。
所述相机应用处理器根据所述移动方向、移动距离和移动时间信息匹配所述预定的调焦模式，对摄像头的焦距进行相应的调整。本发明只需要用户通过手指在接近传感器的上方进行移动，便可以实现对移动终端相机的焦距进行调整，其操作简便、且稳定性高，能有效提高成像质量。
基于上述方法，本发明还提供基于移动终端侧边多功能按键调整相机焦距的系统，如图3所示，包括：
实时监测上传模块100，用于当用户利用移动终端摄像头进行拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并将所述移动方向、移动距离和移动时间信息上传至相机应用处理器；
分析处理模块200，用于所述相机应用处理器对所述移动方向、移动距离和移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
具体而言，如图4所示，所述调整相机焦距的系统400包括：
接近传感器41，设置于移动终端侧边的多功能按键上。
其中所述接近传感器41包括光线发射器411和光线接收器412，用于计算所述移动方向、所述移动距离、和所述移动时间。
判断模块42，用于判断当前手指与所述接近传感器41之间的距离是否进入到所述接近传感器的有效距离内，若是，则开启所述实时检测上传模块，若否，则结束工作。
更进一步，其中所述判断模块42包括：
设置单元421，根据用户的使用习惯，设置所述接近传感器的有效距离，比如所述有效距离为15mm。
实时监测上传模块43，用于在移动终端摄像头进行拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离、和移动时间信息。
分析处理模块44，用于对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
其中所述分析处理模块44包括：
预设单元441，用于预先在所述相机应用处理器中设置调焦模式；以及
调焦单元442，用于所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
进一步，其中所述调焦单元442包括：
第一缩小子单元4421，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
第二缩小子单元4422，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
第一扩大子单元4423，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；以及
第二扩大子单元4424，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
过滤子单元4425，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
基于上述调整相机焦距的方法和系统，本发明还提供一直移动终端，如图5所示。所示移动终端500包括：
接近传感器51，设置于移动终端侧边多功能按键上；
摄像头52；
一个或多个处理器53，包括相机应用处理器531；
存储器54；以及
一个或多个应用程序55。
其中所述一个或多个应用程序55被存储于所述存储器54中，并配置为由所述相机应用处理器531执行，所述一个或多个应用程序55包括操作指令以执行上述调整相机焦距的方法或运行上述调整相机焦距的系统。
综上所述，本发明通过设置在移动终端侧边多功能按键上的接近传感器对手指在所述接近传感器上方的移动信息进行监测，通过所述移动信息来实现调焦的目的。本发明公开的调整相机焦距的方法，其操作简单、稳定性高，能有效提高成像质量。
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (20)

  1. 一种调整相机焦距的方法，其包括步骤：
    在移动终端摄像头进行拍照时，判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，其中所述接近传感器设置在移动终端侧边多功能按键上；
    当在有效距离内时，通过所述接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并上传至相机应用处理器；以及
    所述相机应用处理器对所述移动方向、所述移动距离和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
  2. 根据权利要求1所述的调整相机焦距的方法，其中所述步骤在移动终端摄像头进行拍照时，判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，还包括：
    设置所述接近传感器的有效距离，所述有效距离取决于用户的使用习惯；以及
    当不在有效距离内时，所述接近传感器结束工作。
  3. 根据权利要求2所述的调整相机焦距的方法，其中所述有效距离为15mm。
  4. 根据权利要求1所述的调整相机焦距的方法，其中所述接近传感器包括光线发射器和光线接收器，用于计算所述移动方向、所述移动距离、和所述移动时间。
  5. 根据权利要求1所述的调整相机焦距的方法，其中所述步骤所述相机应用处理器对所述移动方向、所述移动距离和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整，包括：
    预先在所述相机应用处理器中设置调焦模式；
    所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
  6. 根据权利要求5所述的调整相机焦距的方法，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式具体包括：
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；以及
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
  7. 根据权利要求5所述的调整相机焦距的方法，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式还包括：
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
  8. 一种调整相机焦距的系统，其包括：
    实时监测上传模块，用于在移动终端摄像头进行拍照时，通过设置在侧边多功能按键上的接近传感器实时监测手指的移动方向、移动距离、和移动时间信息；以及
    分析处理模块，用于对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
  9. 根据权利要求8所述的调整相机焦距的系统，其中还包括：
    判断模块，用于判断当前手指与所述接近传感器之间的距离是否进入到所述接近传感器的有效距离内，若是，则开启所述实时检测上传模块，若否，则结束工作。
  10. 根据权利要求9所述的调整相机焦距的系统，其中所述判断模块包括：
    设置单元，根据用户的使用习惯，设置所述接近传感器的有效距离。
  11. 根据权利要求10所述的调整相机焦距的系统，其中所述有效距离为15mm。
  12. 根据权利要求8所述的调整相机焦距的系统，其中所述接近传感器包括光线发射器和光线接收器，用于计算所述移动方向、所述移动距离、和所述移动时间。
  13. 根据权利要求8所述的调整相机焦距的系统，其中所述分析处理模块包括：
    预设单元，用于预先在所述相机应用处理器中设置调焦模式；以及
    调焦单元，用于所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
  14. 根据权利要求13所述的调整相机焦距的系统，其中所述调焦单元包括：
    第一缩小子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
    第二缩小子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
    第一扩大子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；以及
    第二扩大子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
  15. 根据权利要求13所述的调整相机焦距的系统，其中所述调焦单元还包括：
    过滤子单元，用于当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
  16. 一种移动终端，其包括：
    接近传感器，设置于移动终端侧边多功能按键上；
    摄像头；
    一个或多个处理器，包括相机应用处理器；
    存储器；以及
    一个或多个应用程序，一个或多个应用程序，其中所述一个或多个应用程序被存储于所述存储器中，并配置为由所述相机应用处理器执行，所述一个或多个应用程序包括操作指令以执行如下步骤：
    当利用所述摄像头进行拍照时，通过所述接近传感器实时监测手指的移动方向、移动距离和移动时间信息，并将所述移动方向、移动距离、和移动时间信息上传至相机应用处理器；以及
    所述相机应用处理器对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整。
  17. 根据权利要求16所述的移动终端，其中所述操作指令还包括执行如下步骤：
    所述相机处理器判断当前手指与接近传感器之间的距离是否进入到所述接近传感器的有效距离内，所述有效距离取决于用户的使用习惯；
    若是，则当拍照时，所述接近传感器进行实时监测；
    若否，则结束所述接近传感器的工作。
  18. 根据权利要求16所述的移动终端，其中所述步骤所述相机应用处理器对所述移动方向、所述移动距离、和所述移动时间信息进行数据分析，根据分析结果对摄像头的焦距进行调整，包括：
    预先在所述相机应用处理器中设置调焦模式；
    所述相机应用处理器根据分析结果匹配所述调焦模式，对摄像头的焦距进行相应的调整。
  19. 根据权利要求18所述的移动终端，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式包括：
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面缩小0.1倍；
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下移动时，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面缩小1倍；
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离≤5mm，移动时间≥30ms时，调整摄像头焦距，使画面扩大0.1倍；
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从下往上移动，且移动距离＞5mm，移动时间＜30ms时，调整摄像头焦距，使画面扩大1倍。
  20. 根据权利要求18所述的移动终端，其中所述步骤预先在所述相机应用处理器中设置调焦模式中的调焦模式还包括：
    当所述接近传感器监测到手指在接近传感器的有效距离范围内从上往下或从下往上运动，且移动距离＞5mm，移动时间＞30ms，或者移动距离＜5mm，移动时间＜30ms时，则相机应用处理器对摄像头焦距过滤上述手指的运动。
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