WO2013167037A2 - Anti-jitter shooting method and device for mobile terminal - Google Patents
Anti-jitter shooting method and device for mobile terminal Download PDFInfo
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- WO2013167037A2 WO2013167037A2 PCT/CN2013/079331 CN2013079331W WO2013167037A2 WO 2013167037 A2 WO2013167037 A2 WO 2013167037A2 CN 2013079331 W CN2013079331 W CN 2013079331W WO 2013167037 A2 WO2013167037 A2 WO 2013167037A2
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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
- H04N23/68—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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
Definitions
- the method before the acquiring the jitter information of the mobile terminal detected by the sensor, the method further includes:
- the start gyro sensor detects the rotational angular velocity of the mobile terminal.
- a comparison module configured to determine whether the jitter information of the mobile terminal is less than a preset jitter threshold
- the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
- Step S202 when the anti-shake function start command is an anti-shake function start command in the walking state, the start gyro sensor detects the rotational angular velocity of the mobile terminal;
- FIG. 3 is a flowchart of a third embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention.
- the embodiment of the present invention is based on the embodiment shown in FIG. 1, and the process of taking a photo when standing is described in detail.
- Step S305 Acquire an image captured by the camera when it is determined that the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity, and/or the acceleration of the mobile terminal is less than a preset acceleration threshold.
- the present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware. Acceleration sensor, simple and easy hardware structure Now.
- FIG. 4 is a schematic structural diagram of a first embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention.
- the anti-shake camera device of the mobile terminal of the embodiment includes:
- the instruction acquisition module 10 is configured to acquire an anti-shake function startup instruction
- the shooting module 40 is configured to obtain an image captured by the camera when it is determined that the jitter information of the mobile terminal is less than a preset jitter threshold.
- the anti-shake function can be automatically started, or the user can manually turn on the anti-shake function.
- the acceleration sensor may be used to obtain information about the acceleration, and the jitter of the mobile terminal may also include the motion of the rotation, and the gyro sensor may be used, such as: an angular velocity sensor. Information about the angular velocity of rotation.
- the sensor can be a gyro sensor, i.e., one of an angular velocity sensor, an acceleration sensor, or a combination of both.
- the jitter information of the mobile terminal is the rotational angular velocity of the mobile terminal; when the sensor is the acceleration sensor, the jitter information of the mobile terminal is the acceleration of the mobile terminal.
- the jitter threshold is preset in the memory of the mobile terminal.
- the jitter information of the current mobile terminal is less than the preset jitter threshold, the current mobile terminal has a small jitter frequency, and the photo obtained by taking the photo at this time is taken.
- the sensor is a gyro sensor
- the jitter threshold is a rotation angular velocity threshold
- the jitter threshold is an acceleration threshold.
- the jitter threshold of multiple grades may be preset in the memory, and when the user performs the anti-shake function setting, the grade of the jitter threshold may be selected to achieve the requirement of the anti-jitter degree of different conditions.
- the anti-shake function can be applied to the case where the user manually takes a photo.
- the camera does not take the photo immediately, but the controller of the mobile terminal judges When the jitter information of the current mobile terminal is less than the preset jitter threshold, the shooting instruction is sent to the camera to control the camera to take a picture.
- the anti-shake function can also be applied to the case where the mobile terminal is set to automatically take a photo. The user does not need to press the shooting button, and when the mobile terminal determines that the jitter information of the current mobile terminal is less than the preset jitter threshold, the camera automatically sends a shooting instruction to the camera. , control the camera to take pictures.
- the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
- FIG. 5 is a schematic structural diagram of a second embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention.
- the sensor startup module 50 is added, which specifically includes the following situations:
- the anti-shake function start command acquired by the command acquisition module 10 is an anti-shake function start command in the walking state
- the sensor start module 50 is configured to activate the gyro sensor to detect the rotational angular velocity of the mobile terminal.
- the jitter of the mobile terminal necessarily includes the acceleration of the mobile terminal in the forward direction of the mobile terminal. At this time, it is not necessary to use the acceleration of the mobile terminal as the jitter information, and only the rotational angular velocity of the mobile terminal is considered.
- the acceleration in the user's forward direction is excluded from the jitter information, and only the rotational angular velocity of the mobile terminal is used as the jitter information, thereby effectively improving the sharpness of the photograph taken by the mobile terminal, and moving.
- Only one gyro sensor is added to the terminal hardware, and the hardware structure is simple and easy to implement.
- the present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware.
- Acceleration sensor, hardware structure is simple and easy to implement.
- the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal.
- the controller determines that the jitter information is less than the preset jitter threshold, the controller controls the camera to take a photo.
- only one sensor and one module for comparing the jitter threshold are added to the mobile terminal, which is simple to implement and effectively improves the clarity of the photograph taken by the mobile terminal.
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Abstract
Description
移动终端防抖动拍照方法和装置 技术领域 Mobile terminal anti-shake photographing method and device
本发明涉及到移动终端技术领域， 特别涉及一种移动终端防抖动拍照 方法和装置。 背景技术 The present invention relates to the field of mobile terminal technologies, and in particular, to a method and apparatus for anti-shake photographing of a mobile terminal. Background technique
随着智能移动终端的功能日益强大， 摄像头已经成了手机、 平板电脑 等移动终端必备的硬件， 随着移动终端上的摄像头越来越高端， 移动终端 的拍照功能方便了人们随时记录身边的事物， 移动终端拍照完全可以满足 日常需求。 但是， 由于移动终端的主要功能还是作为通信设备， 其拍照功 能只是一种附属功能， 即使现在的智能移动终端上的摄像头像素越来越高， 移动终端仍然无法完全达到用来专业拍照的照相机的功能。 例如： 在人们 走动时， 移动终端抖动较大， 无法拍摄出清晰的照片， 即使是在人们站立 时进行拍照， 也很难保证移动终端不动， 导致拍摄的照片可能会因为移动 终端抖动造成图像模糊。 同时， 由于移动终端自身的软件和硬件限制， 普 通照相机的一些技术并不能直接移植到移动终端中， 移动终端拍照时的防 抖动功能十分有限， 拍摄的照片常常是不清晰的。 发明内容 With the increasingly powerful functions of smart mobile terminals, the camera has become an essential hardware for mobile terminals such as mobile phones and tablet computers. As the cameras on mobile terminals become more and more high-end, the camera functions of mobile terminals are convenient for people to record their surroundings. Things, mobile terminal photography can fully meet the daily needs. However, since the main function of the mobile terminal is still as a communication device, the camera function is only an accessory function. Even if the camera pixels on the current smart mobile terminal are getting higher and higher, the mobile terminal cannot fully reach the camera for professional photography. Features. For example: When people walk, the mobile terminal shakes loudly and cannot take clear pictures. Even when people are taking pictures while standing, it is difficult to ensure that the mobile terminal does not move, resulting in pictures that may be caused by camera shake. blurry. At the same time, due to the software and hardware limitations of the mobile terminal itself, some technologies of the general camera cannot be directly transplanted into the mobile terminal. The anti-shake function of the mobile terminal when taking pictures is very limited, and the photographs taken are often unclear. Summary of the invention
有鉴于此， 本发明实施例的主要目的在于提供一种移动终端防抖动拍 照方法和装置， 可有效避免因移动终端抖动造成的拍摄照片模糊的问题。 In view of this, the main purpose of the embodiments of the present invention is to provide a method and apparatus for anti-shake shooting of a mobile terminal, which can effectively avoid the problem of blurring of a photograph caused by shaking of the mobile terminal.
本发明实施例提出一种移动终端防抖动拍照方法， 该方法包括： 获取防抖动功能启动指令； The embodiment of the invention provides a method for preventing an anti-shake photographing of a mobile terminal, the method comprising: acquiring an anti-shake function starting instruction;
获取传感器检测的移动终端的抖动信息； 判断所述移动终端的抖动信息是否小于预设的抖动阈值； 确定所述移动终端的抖动信息小于预设的抖动阈值时， 获取摄像头拍 摄的图像。 Obtaining jitter information of the mobile terminal detected by the sensor; Determining whether the jitter information of the mobile terminal is less than a preset jitter threshold; and determining that the jitter information of the mobile terminal is less than a preset jitter threshold, acquiring an image captured by the camera.
优选地， 所述传感器包括陀螺仪传感器， 相应的， 所述移动终端的抖 动信息包括移动终端的旋转角速度， 所述抖动阈值包括旋转角速度阈值。 Preferably, the sensor comprises a gyro sensor, and correspondingly, the jitter information of the mobile terminal comprises a rotational angular velocity of the mobile terminal, and the jitter threshold comprises a rotational angular velocity threshold.
优选地， 所述获取传感器检测的移动终端的抖动信息之前， 该方法还 包括： Preferably, before the acquiring the jitter information of the mobile terminal detected by the sensor, the method further includes:
当所述防抖动功能启动指令为走动状态的防抖动功能启动指令时， 启 动陀螺仪传感器检测移动终端的旋转角速度。 When the anti-shake function start command is an anti-shake function start command in the walking state, the start gyro sensor detects the rotational angular velocity of the mobile terminal.
优选地， 所述传感器包括加速度传感器， 相应的， 所述移动终端的抖 动信息包括移动终端的加速度， 所述抖动阈值包括加速度阈值。 Preferably, the sensor comprises an acceleration sensor. Correspondingly, the jitter information of the mobile terminal comprises an acceleration of the mobile terminal, and the jitter threshold comprises an acceleration threshold.
优选地， 所述获取传感器检测的移动终端的抖动信息之前， 该方法还 包括： Preferably, before the acquiring the jitter information of the mobile terminal detected by the sensor, the method further includes:
当所述防抖动功能启动指令为站立状态的防抖动功能启动指令时， 启 动陀螺仪传感器和 /或加速度传感器检测移动终端的旋转角速度和 /或加速 度。 When the anti-shake function activation command is a stand-up anti-shake function start command, the start gyro sensor and/or the acceleration sensor detects the rotational angular velocity and/or acceleration of the mobile terminal.
本发明实施例还提出一种移动终端防抖动拍照装置， 包括： The embodiment of the invention further provides an anti-shake photographing device for a mobile terminal, comprising:
指令获取模块， 配置为获取防抖动功能启动指令； An instruction acquisition module configured to acquire an anti-shake function startup instruction;
检测模块， 配置为获取传感器检测的移动终端的抖动信息； a detecting module configured to acquire jitter information of the mobile terminal detected by the sensor;
比较模块， 配置为判断所述移动终端的抖动信息是否小于预设的抖动 阈值； a comparison module, configured to determine whether the jitter information of the mobile terminal is less than a preset jitter threshold;
拍摄模块， 配置为确定所述移动终端的抖动信息小于预设的抖动阈值 时， 获取摄像头拍摄的图像。 The shooting module is configured to obtain an image captured by the camera when the jitter information of the mobile terminal is determined to be less than a preset jitter threshold.
优选地， 所述传感器包括陀螺仪传感器， 相应的， 所述移动终端的抖 动信息包括移动终端的旋转角速度， 所述抖动阈值包括旋转角速度阈值。 优选地， 所述移动终端防抖动拍照装置， 还包括传感器启动模块， 配 置为当所述防抖动功能启动指令为走动状态的防抖动功能启动指令时， 启 动陀螺仪传感器检测移动终端的旋转角速度。 Preferably, the sensor comprises a gyro sensor, and correspondingly, the jitter information of the mobile terminal comprises a rotational angular velocity of the mobile terminal, and the jitter threshold comprises a rotational angular velocity threshold. Preferably, the mobile terminal anti-shake photographing device further includes a sensor activation module configured to start the gyro sensor to detect the mobile terminal when the anti-shake function start command is an anti-shake function start command of the walking state Rotational angular velocity.
优选地， 所述传感器包括加速度传感器， 相应的， 所述移动终端的抖 动信息包括移动终端的加速度， 所述抖动阈值包括加速度阈值。 Preferably, the sensor comprises an acceleration sensor. Correspondingly, the jitter information of the mobile terminal comprises an acceleration of the mobile terminal, and the jitter threshold comprises an acceleration threshold.
优选地， 所述移动终端防抖动拍照装置， 还包括传感器启动模块， 配 置为当所述防抖动功能启动指令为站立状态的防抖动功能启动指令时， 启 动陀螺仪传感器和 /或加速度传感器检测移动终端的旋转角速度和 /或加速 度。 Preferably, the mobile terminal anti-shake photographing device further includes a sensor activation module configured to start the gyro sensor and/or acceleration when the anti-shake function start command is a stand-up anti-shake function start command The sensor detects the rotational angular velocity and/or acceleration of the mobile terminal.
本发明实施例通过传感器对移动终端的抖动状况进行检测， 并将检测 的抖动信息发送给移动终端的控制器， 控制器在判定抖动信息小于预设的 抖动阈值时， 控制摄像头拍摄照片， 在移动终端硬件上只增加一个传感器， 在软件部分只增加了比较抖动阈值的模块， 在硬件结构和步骤流程上都简 单易实现， 且有效提高了移动终端拍摄照片的清晰度。 附图说明 In the embodiment of the present invention, the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than the preset jitter threshold, the controller controls the camera to take a photo, and moves Only one sensor is added to the terminal hardware, and only the module that compares the jitter threshold is added in the software part. The hardware structure and the step flow are simple and easy to implement, and the clarity of the photograph taken by the mobile terminal is effectively improved. DRAWINGS
图 1为本发明实施例移动终端防抖动拍照方法的第一实施例的流程图； 图 2为本发明实施例移动终端防抖动拍照方法的第二实施例的流程图； 图 3为本发明实施例移动终端防抖动拍照方法的第三实施例的流程图； 图 4为本发明实施例移动终端防抖动拍照装置的第一实施例的结构示 意图； 1 is a flowchart of a first embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention; FIG. 2 is a flowchart of a second embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention; FIG. 4 is a schematic structural diagram of a first embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention; FIG.
图 5 为本发明实施例移动终端防抖动拍照装置的第二实施例的结构示 意图。 FIG. 5 is a schematic structural diagram of a second embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention.
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。 具体实施方式 The implementation, functional features, and advantages of the present invention will be further described with reference to the accompanying drawings. detailed description
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。 It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
如图 1所示， 图 1为本发明实施例移动终端防抖动拍照方法的第一实 施例的流程图。 本实施例提到的移动终端防抖动拍照方法， 包括： As shown in FIG. 1, FIG. 1 is a flowchart of a first embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention. The anti-shake photographing method for the mobile terminal mentioned in this embodiment includes:
步骤 S101， 获取防抖动功能启动指令； Step S101, acquiring an anti-shake function startup instruction;
本实施例在用户启动摄像头拍照功能后， 可自动启动防抖动功能， 或 由用户手动开启防抖动功能。 In this embodiment, after the user starts the camera photographing function, the anti-shake function can be automatically started, or the user can manually turn on the anti-shake function.
步骤 S102， 获取传感器检测的移动终端的抖动信息； Step S102: Acquire jitter information of the mobile terminal detected by the sensor.
这里， 由于移动终端的抖动可包括： 前后、 上下、 左右等方向上的运 动， 可采用加速度传感器获取加速度的相关信息； 移动终端的抖动还可包 括旋转的运动， 可采用陀螺仪传感器， 如： 角速度传感器获取旋转角速度 的相关信息。 因此， 传感器可以为陀螺仪传感器， 如角速度传感器、 和加 速度传感器中的一个或两者的组合。 当传感器为陀螺仪传感器时， 移动终 端的抖动信息为移动终端的旋转角速度； 当传感器为加速度传感器时， 移 动终端的抖动信息为移动终端的加速度。 Here, since the jitter of the mobile terminal may include: motion in the front, back, up, down, left and right directions, the acceleration sensor may be used to acquire information about the acceleration; the jitter of the mobile terminal may further include a motion of the rotation, and a gyro sensor may be used, such as: The angular velocity sensor obtains information about the angular velocity of rotation. Thus, the sensor can be a combination of one or both of a gyro sensor, such as an angular velocity sensor, and an acceleration sensor. When the sensor is a gyro sensor, the jitter information of the mobile terminal is the rotational angular velocity of the mobile terminal; when the sensor is the acceleration sensor, the jitter information of the mobile terminal is the acceleration of the mobile terminal.
步骤 S103， 判断移动终端的抖动信息是否小于预设的抖动阈值； 在移动终端出厂前， 在移动终端的存储器中预设抖动阈值， 当前移动 终端的抖动信息小于预设的抖动阈值时， 则说明当前移动终端的抖动频率 较小， 此时进行拍照所获得的照片相对较清晰。 当传感器为陀螺仪传感器 时， 抖动阈值为旋转角速度阈值； 当传感器为加速度传感器时， 抖动阈值 为加速度阈值。 可以在存储器中预设多个档次的抖动阈值， 用户在进行防 抖动功能设置时， 可选择抖动阈值的档次， 以实现不同状况对防抖动程度 的需求。 Step S103, determining whether the jitter information of the mobile terminal is less than a preset jitter threshold; before the mobile terminal leaves the factory, the jitter threshold is preset in the memory of the mobile terminal, and when the jitter information of the current mobile terminal is less than the preset jitter threshold, At present, the jitter frequency of the mobile terminal is small, and the photos obtained by taking pictures at this time are relatively clear. When the sensor is a gyro sensor, the jitter threshold is a rotation angular velocity threshold; when the sensor is an acceleration sensor, the jitter threshold is an acceleration threshold. The jitter threshold of multiple grades can be preset in the memory. When the user sets the anti-shake function, the jitter threshold can be selected to achieve the anti-jitter degree requirement of different conditions.
步骤 S104， 当判定移动终端的抖动信息小于预设的抖动阈值时， 获取 摄像头拍摄的图像。 Step S104, when it is determined that the jitter information of the mobile terminal is less than a preset jitter threshold, obtain The image taken by the camera.
防抖动功能可以应用在用户手动拍摄照片的情况， 当用户按下拍摄按 键时， 摄像头并不马上拍摄照片， 而是在移动终端的控制器判定当前移动 终端的抖动信息小于预设的抖动阈值时， 再将拍摄指令发送至摄像头， 控 制摄像头进行拍照。 此外， 防抖动功能也可以应用在移动终端设定为自动 拍照的情况， 用户无需按压拍摄按键， 由移动终端判定当前移动终端的抖 动信息小于预设的抖动阈值时， 自动向摄像头发送拍摄指令， 控制摄像头 进行拍照。 The anti-shake function can be applied to the case where the user manually takes a photo. When the user presses the shooting button, the camera does not take the photo immediately, but the controller of the mobile terminal determines that the jitter information of the current mobile terminal is less than the preset jitter threshold. Then, send the shooting command to the camera and control the camera to take the picture. In addition, the anti-shake function can also be applied to the case where the mobile terminal is set to automatically take a photo. The user does not need to press the shooting button, and when the mobile terminal determines that the jitter information of the current mobile terminal is less than the preset jitter threshold, the camera automatically sends a shooting instruction to the camera. , control the camera to take pictures.
本实施例通过传感器对移动终端的抖动状况进行检测， 并将检测的抖 动信息发送给移动终端的控制器， 控制器在判定抖动信息小于预设的抖动 阈值时， 控制摄像头拍摄照片， 在移动终端硬件上只增加少量的传感器， 在软件部分只增加了比较抖动阈值的模块， 在硬件结构和步骤流程上都简 单易实现， 且有效提高了移动终端拍摄照片的清晰度。 In this embodiment, the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
如图 2所示， 图 2为本发明实施例移动终端防抖动拍照方法的第二实 施例的流程图。 本实施例以图 1 所示实施例为基础， 对走动时拍摄照片的 流程进行详细说明， 该实施例的移动终端防抖动拍照方法包括： As shown in FIG. 2, FIG. 2 is a flowchart of a second embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention. The embodiment of the present invention is based on the embodiment shown in FIG. 1 , and the process of taking a photo when walking is described in detail.
步骤 S201， 获取防抖动功能启动指令； Step S201, acquiring an anti-shake function startup instruction;
步骤 S202， 当防抖动功能启动指令为走动状态的防抖动功能启动指令 时， 启动陀螺仪传感器检测移动终端的旋转角速度； Step S202, when the anti-shake function start command is an anti-shake function start command in the walking state, the start gyro sensor detects the rotational angular velocity of the mobile terminal;
本实施例中， 由于用户在走动时， 移动终端抖动中必然包括用户带动 移动终端前进方向上的加速度。 此时， 无需将移动终端的加速度作为抖动 信息， 只需考虑移动终端的旋转角速度。 In this embodiment, when the user is walking, the jitter of the mobile terminal necessarily includes the acceleration of the user in the forward direction of the mobile terminal. At this time, it is not necessary to use the acceleration of the mobile terminal as the jitter information, and it is only necessary to consider the rotational angular velocity of the mobile terminal.
步骤 S203， 获取陀螺仪传感器检测的移动终端的旋转角速度； 步骤 S204， 判断移动终端的旋转角速度是否小于预设的旋转角速度阈 值； 步骤 S205， 当判定移动终端的旋转角速度小于预设的旋转角速度阈值 时， 获取摄像头拍摄的图像。 Step S203, acquiring a rotation angular velocity of the mobile terminal detected by the gyro sensor; Step S204, determining whether the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity threshold; Step S205, when it is determined that the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity threshold, the image captured by the camera is acquired.
本实施例针对走动时拍摄照片的情况， 将用户前进方向上的加速度排 除在抖动信息之外， 只将移动终端的旋转角速度作为抖动信息， 有效提高 了移动终端拍摄照片的清晰度， 且在移动终端硬件上只增加一个陀螺仪传 感器， 硬件结构简单易实现。 In this embodiment, in the case of taking a photo while walking, the acceleration in the user's forward direction is excluded from the jitter information, and only the rotational angular velocity of the mobile terminal is used as the jitter information, thereby effectively improving the sharpness of the photograph taken by the mobile terminal, and moving. Only one gyro sensor is added to the terminal hardware, and the hardware structure is simple and easy to implement.
如图 3所示， 图 3为本发明实施例移动终端防抖动拍照方法的第三实 施例的流程图。 本实施例以图 1 所示实施例为基础， 对站立时拍摄照片的 流程进行详细说明， 该实施例的移动终端防抖动拍照方法包括： As shown in FIG. 3, FIG. 3 is a flowchart of a third embodiment of a method for preventing an anti-shake of a mobile terminal according to an embodiment of the present invention. The embodiment of the present invention is based on the embodiment shown in FIG. 1, and the process of taking a photo when standing is described in detail.
步骤 S301， 获取防抖动功能启动指令； Step S301, acquiring an anti-shake function startup instruction;
步骤 S302， 当防抖动功能启动指令为站立状态的防抖动功能启动指令 时， 启动陀螺仪传感器和 /或加速度传感器检测移动终端的旋转角速度和 / 或力口速度； Step S302, when the anti-shake function start command is the anti-shake function start command of the standing state, the start gyro sensor and/or the acceleration sensor detects the rotational angular velocity and/or the force port speed of the mobile terminal;
本实施例中， 用户在站立时， 可将移动终端的旋转角速度与加速度中 的一个或两者的组合作为移动终端抖动信息与抖动信息阈值进行比较， 以 便拍摄出更加清晰的照片。 In this embodiment, when the user is standing, the combination of one or both of the rotational angular velocity and the acceleration of the mobile terminal can be used as the mobile terminal jitter information and the jitter information threshold to capture a clearer picture.
步骤 S303， 获取陀螺仪传感器和 /或加速度传感器检测的移动终端的旋 转角速度和 /或加速度； Step S303, acquiring a rotational angular velocity and/or an acceleration of the mobile terminal detected by the gyro sensor and/or the acceleration sensor;
步骤 S304， 判断移动终端的旋转角速度是否小于预设的旋转角速度， 和 /或移动终端的加速度是否 ' j、于预设的加速度阈值； Step S304, determining whether the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity, and/or whether the acceleration of the mobile terminal is 'j, at a preset acceleration threshold;
步骤 S305， 当判定移动终端的旋转角速度小于预设的旋转角速度， 和 / 或移动终端的加速度小于预设的加速度阈值时， 获取摄像头拍摄的图像。 Step S305: Acquire an image captured by the camera when it is determined that the rotational angular velocity of the mobile terminal is less than a preset rotational angular velocity, and/or the acceleration of the mobile terminal is less than a preset acceleration threshold.
本实施例针对站立时拍摄照片的情况， 将移动终端的旋转角速度和 /或 加速度作为抖动信息， 进一步提高了移动终端拍摄照片的清晰度， 且在移 动终端硬件上只增加陀螺仪传感器和 /或加速度传感器， 硬件结构简单易实 现。 The present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware. Acceleration sensor, simple and easy hardware structure Now.
如图 4所示， 图 4为本发明实施例移动终端防抖动拍照装置的第一实 施例的结构示意图。 本实施例的移动终端防抖动拍照装置， 包括： As shown in FIG. 4, FIG. 4 is a schematic structural diagram of a first embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention. The anti-shake camera device of the mobile terminal of the embodiment includes:
指令获取模块 10， 配置为获取防抖动功能启动指令； The instruction acquisition module 10 is configured to acquire an anti-shake function startup instruction;
检测模块 20， 配置为获取传感器检测的移动终端的抖动信息； 比较模块 30， 配置为判断移动终端的抖动信息是否小于预设的抖动阈 值； The detecting module 20 is configured to obtain the jitter information of the mobile terminal detected by the sensor; the comparing module 30 is configured to determine whether the jitter information of the mobile terminal is less than a preset jitter threshold;
拍摄模块 40， 配置为当判定移动终端的抖动信息小于预设的抖动阈值 时， 获取摄像头拍摄的图像。 The shooting module 40 is configured to obtain an image captured by the camera when it is determined that the jitter information of the mobile terminal is less than a preset jitter threshold.
本实施例在用户启动摄像头拍照功能后， 可自动启动防抖动功能， 或 由用户手动开启防抖动功能。 由于移动终端的抖动可包括前后、 上下、 左 右等方向上的运动， 可采用加速度传感器获取加速度的相关信息， 移动终 端的抖动还可包括旋转的运动， 可采用陀螺仪传感器， 如： 角速度传感器 获取旋转角速度的相关信息。 因此， 传感器可以为陀螺仪传感器， 即角速 度传感器、 加速度传感器中的一个或两者的组合。 当传感器为陀螺仪传感 器时， 移动终端的抖动信息为移动终端的旋转角速度； 当传感器为加速度 传感器时， 移动终端的抖动信息为移动终端的加速度。 In this embodiment, after the user starts the camera photographing function, the anti-shake function can be automatically started, or the user can manually turn on the anti-shake function. Since the jitter of the mobile terminal may include motions in the front, back, up, down, left and right directions, the acceleration sensor may be used to obtain information about the acceleration, and the jitter of the mobile terminal may also include the motion of the rotation, and the gyro sensor may be used, such as: an angular velocity sensor. Information about the angular velocity of rotation. Thus, the sensor can be a gyro sensor, i.e., one of an angular velocity sensor, an acceleration sensor, or a combination of both. When the sensor is a gyro sensor, the jitter information of the mobile terminal is the rotational angular velocity of the mobile terminal; when the sensor is the acceleration sensor, the jitter information of the mobile terminal is the acceleration of the mobile terminal.
在移动终端出厂前， 在移动终端的存储器中预设抖动阈值， 当前移动 终端的抖动信息小于预设的抖动阈值时， 则说明当前移动终端的抖动频率 较小， 此时进行拍照所获得的照片相对较清晰。 当传感器为陀螺仪传感器 时， 抖动阈值为旋转角速度阈值； 当传感器为加速度传感器时， 抖动阈值 为加速度阈值。 这里， 可以在存储器中预设多个档次的抖动阈值， 用户在 进行防抖动功能设置时， 可选择抖动阈值的档次， 以实现不同状况对防抖 动程度的需求。 防抖动功能可以应用在用户手动拍摄照片的情况， 当用户 按下拍摄按键时， 摄像头并不马上拍摄照片， 而是在移动终端的控制器判 定当前移动终端的抖动信息小于预设的抖动阈值时， 再将拍摄指令发送至 摄像头， 控制摄像头进行拍照。 此外， 防抖动功能也可以应用在移动终端 设定为自动拍照的情况， 用户无需按压拍摄按键， 由移动终端判定当前移 动终端的抖动信息小于预设的抖动阈值时， 自动向摄像头发送拍摄指令， 控制摄像头进行拍照。 Before the mobile terminal leaves the factory, the jitter threshold is preset in the memory of the mobile terminal. When the jitter information of the current mobile terminal is less than the preset jitter threshold, the current mobile terminal has a small jitter frequency, and the photo obtained by taking the photo at this time is taken. Relatively clear. When the sensor is a gyro sensor, the jitter threshold is a rotation angular velocity threshold; when the sensor is an acceleration sensor, the jitter threshold is an acceleration threshold. Here, the jitter threshold of multiple grades may be preset in the memory, and when the user performs the anti-shake function setting, the grade of the jitter threshold may be selected to achieve the requirement of the anti-jitter degree of different conditions. The anti-shake function can be applied to the case where the user manually takes a photo. When the user presses the shooting button, the camera does not take the photo immediately, but the controller of the mobile terminal judges When the jitter information of the current mobile terminal is less than the preset jitter threshold, the shooting instruction is sent to the camera to control the camera to take a picture. In addition, the anti-shake function can also be applied to the case where the mobile terminal is set to automatically take a photo. The user does not need to press the shooting button, and when the mobile terminal determines that the jitter information of the current mobile terminal is less than the preset jitter threshold, the camera automatically sends a shooting instruction to the camera. , control the camera to take pictures.
本实施例通过传感器对移动终端的抖动状况进行检测， 并将检测的抖 动信息发送给移动终端的控制器， 控制器在判定抖动信息小于预设的抖动 阈值时， 控制摄像头拍摄照片， 在移动终端硬件上只增加少量的传感器， 在软件部分只增加了比较抖动阈值的模块， 在硬件结构和步骤流程上都简 单易实现， 且有效提高了移动终端拍摄照片的清晰度。 In this embodiment, the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal, and when the controller determines that the jitter information is smaller than a preset jitter threshold, the controller controls the camera to take a photo, in the mobile terminal. Only a small number of sensors are added to the hardware, and only the module for comparing the jitter threshold is added in the software part, which is simple and easy to implement in the hardware structure and the step flow, and effectively improves the clarity of the photos taken by the mobile terminal.
如图 5所示， 图 5为本发明实施例移动终端防抖动拍照装置的第二实 施例的结构示意图。 本实施例在图 4所示实施例的基础上， 增加了传感器 启动模块 50， 具体包括如下情况： As shown in FIG. 5, FIG. 5 is a schematic structural diagram of a second embodiment of a mobile terminal anti-shake photographing apparatus according to an embodiment of the present invention. In this embodiment, based on the embodiment shown in FIG. 4, the sensor startup module 50 is added, which specifically includes the following situations:
在走动时拍摄照片的情况下， 指令获取模块 10获取的防抖动功能启动 指令为走动状态的防抖动功能启动指令， 传感器启动模块 50配置为启动陀 螺仪传感器检测移动终端的旋转角速度。 本实施例中， 由于用户在走动时， 移动终端抖动中必然包括用户带动移动终端前进方向上的加速度， 此时， 无需将移动终端的加速度作为抖动信息， 只需考虑移动终端的旋转角速度。 本实施例针对走动时拍摄照片的情况， 将用户前进方向上的加速度排除在 抖动信息之外， 只将移动终端的旋转角速度作为抖动信息， 有效提高了移 动终端拍摄照片的清晰度， 且在移动终端硬件上只增加一个陀螺仪传感器， 硬件结构简单易实现。 In the case of taking a picture while walking, the anti-shake function start command acquired by the command acquisition module 10 is an anti-shake function start command in the walking state, and the sensor start module 50 is configured to activate the gyro sensor to detect the rotational angular velocity of the mobile terminal. In this embodiment, when the user is walking, the jitter of the mobile terminal necessarily includes the acceleration of the mobile terminal in the forward direction of the mobile terminal. At this time, it is not necessary to use the acceleration of the mobile terminal as the jitter information, and only the rotational angular velocity of the mobile terminal is considered. In this embodiment, in the case of taking a photo while walking, the acceleration in the user's forward direction is excluded from the jitter information, and only the rotational angular velocity of the mobile terminal is used as the jitter information, thereby effectively improving the sharpness of the photograph taken by the mobile terminal, and moving. Only one gyro sensor is added to the terminal hardware, and the hardware structure is simple and easy to implement.
在站立拍摄照片的情况下， 指令获取模块 10获取的防抖动功能启动指 令为站立状态的防抖动功能启动指令， 传感器启动模块 50配置为启动陀螺 仪传感器和 /或加速度传感器检测移动终端的旋转角速度和 /或加速度。 本实施例中， 用户在站立时， 可将移动终端的旋转角速度与加速度中 的一个或两者的组合作为移动终端抖动信息与抖动信息阈值进行比较， 以 便拍摄出更加清晰的照片。 本实施例针对站立时拍摄照片的情况， 将移动 终端的旋转角速度和 /或加速度作为抖动信息， 进一步提高了移动终端拍摄 照片的清晰度， 且在移动终端硬件上只增加陀螺仪传感器和 /或加速度传感 器， 硬件结构简单易实现。 In the case of standing photographing, the anti-shake function activation command acquired by the instruction acquisition module 10 is an anti-shake function activation command of the standing state, and the sensor activation module 50 is configured to start the gyro sensor and/or the acceleration sensor to detect the mobile terminal. Rotational angular velocity and / or acceleration. In this embodiment, when the user is standing, the combination of one or both of the rotational angular velocity and the acceleration of the mobile terminal can be used as the mobile terminal jitter information and the jitter information threshold to capture a clearer picture. The present embodiment is directed to the case of taking a photo while standing, using the rotational angular velocity and/or acceleration of the mobile terminal as the jitter information, further improving the sharpness of the photograph taken by the mobile terminal, and adding only the gyro sensor and/or the mobile terminal hardware. Acceleration sensor, hardware structure is simple and easy to implement.
以上所述仅为本发明的优选实施例， 并非因此限制本发明的专利范围， 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换， 或直 接或间接运用在其他相关的技术领域， 均同理包括在本发明的专利保护范 围内。 工业实用性 The above description is only the preferred embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent flow transformation made by the specification and the drawings of the present invention may be directly or indirectly applied to other related The technical field is equally included in the scope of patent protection of the present invention. Industrial applicability
本发明实施例通过传感器对移动终端的抖动状况进行检测， 并将检测 的抖动信息发送给移动终端的控制器， 控制器在判定抖动信息小于预设的 抖动阈值时， 控制摄像头拍摄照片。 本发明实施例只在移动终端中增加一 个传感器和一个比较抖动阈值的模块， 实现简单， 有效提高了移动终端拍 摄照片的清晰度。 In the embodiment of the present invention, the jitter condition of the mobile terminal is detected by the sensor, and the detected jitter information is sent to the controller of the mobile terminal. When the controller determines that the jitter information is less than the preset jitter threshold, the controller controls the camera to take a photo. In the embodiment of the present invention, only one sensor and one module for comparing the jitter threshold are added to the mobile terminal, which is simple to implement and effectively improves the clarity of the photograph taken by the mobile terminal.
Claims
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| CN201210544233.9A CN103051836B (en) | 2012-12-14 | 2012-12-14 | Mobile terminal stabilization photographic method and device |
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| US11405554B2 (en) | 2018-08-29 | 2022-08-02 | SZ DJI Technology Co., Ltd. | Control method and device for electronic device, electronic device, and storage medium |
Also Published As
| Publication number | Publication date |
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| CN103051836A (en) | 2013-04-17 |
| WO2013167037A3 (en) | 2014-01-09 |
| CN103051836B (en) | 2016-03-30 |
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