CN104238669A - Method and device for controlling rotation of camera of mobile terminal and mobile terminal - Google Patents

Method and device for controlling rotation of camera of mobile terminal and mobile terminal Download PDF

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CN104238669A
CN104238669A CN201410449198.1A CN201410449198A CN104238669A CN 104238669 A CN104238669 A CN 104238669A CN 201410449198 A CN201410449198 A CN 201410449198A CN 104238669 A CN104238669 A CN 104238669A
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camera
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mobile terminal
sliding
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CN104238669B (en
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涂明路
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Abstract

本发明适用于电子技术领域,提供一种控制移动终端摄像头旋转的方法、装置及移动终端,所述方法应用于背面设置触控装置的移动终端,包括:在摄像头启动后,获取摄像头控制模式;在摄像头控制模式为第一控制模式时,根据用户手指在触控装置上的滑动轨迹控制摄像头旋转;在摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置。上述方法一方面实现了背面触控控制摄像头旋转,解决了通过手指触碰手机的屏幕时用户不能看到手机屏幕上的完整图像或引起误操作的问题;另一方面实现了通过检测指定物体的方式自动控制摄像头旋转。

The present invention is applicable to the field of electronic technology, and provides a method and device for controlling the rotation of a camera of a mobile terminal, and a mobile terminal. The method is applied to a mobile terminal with a touch device on the back, and includes: acquiring a camera control mode after the camera is started; When the camera control mode is the first control mode, the camera is controlled to rotate according to the sliding track of the user's finger on the touch device; when the camera control mode is the second control mode, the camera is controlled to rotate in a preset manner; when detected When the image currently collected by the camera includes the specified image, the camera is controlled to rotate to a position where the object corresponding to the specified image is directly facing. On the one hand, the above method realizes the rear touch control to control the rotation of the camera, and solves the problem that the user cannot see the complete image on the screen of the mobile phone or causes misoperation when touching the screen of the mobile phone with a finger; The way to automatically control the camera rotation.

Description

一种控制移动终端摄像头旋转的方法、装置及移动终端Method, device and mobile terminal for controlling camera rotation of mobile terminal

技术领域technical field

本发明属于电子技术领域,尤其涉及一种控制移动终端摄像头旋转的方法、装置及移动终端。The invention belongs to the field of electronic technology, and in particular relates to a method, a device and a mobile terminal for controlling the rotation of a camera of a mobile terminal.

背景技术Background technique

目前,手机市场上已经出现了可控制摄像头旋转的产品,但是这类产品的控制方法一般为用户手动控制。在用户手动控制时,由于手指需要触碰手机的触摸屏幕,往往导致用户不能看到手机屏幕上所显示的完整图像,而且容易引起一些误操作。另一方面,目前还没有通过指定待拍摄物体并探测待拍摄物体的方位以实现自动控制摄像头旋转的方法与产品。At present, products that can control the rotation of the camera have appeared in the mobile phone market, but the control method of such products is generally controlled manually by the user. When the user manually controls, because the finger needs to touch the touch screen of the mobile phone, the user often cannot see the complete image displayed on the mobile phone screen, and it is easy to cause some misoperations. On the other hand, there is currently no method and product for automatically controlling the rotation of the camera by specifying the object to be photographed and detecting the orientation of the object to be photographed.

发明内容Contents of the invention

本发明的目的在于提供一种控制移动终端摄像头旋转的方法、装置及移动终端,以实现背面触控控制摄像头旋转以及通过检测指定物体的方式控制摄像头旋转。The purpose of the present invention is to provide a method, device and mobile terminal for controlling the rotation of the camera of a mobile terminal, so as to control the rotation of the camera by touch on the back and control the rotation of the camera by detecting a specified object.

本发明是这样实现的,一种控制移动终端摄像头旋转的方法,所述移动终端的背面设置有触控装置;所述方法包括:The present invention is realized in this way, a method for controlling the rotation of the camera of a mobile terminal, the back of the mobile terminal is provided with a touch device; the method includes:

在摄像头启动后,获取用户选择的摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;After the camera is started, the camera control mode selected by the user is obtained, and the camera control mode includes a first control mode and a second control mode;

在所述摄像头控制模式为第一控制模式时,获取用户在所述触控装置上的滑动轨迹,根据所述滑动轨迹控制所述摄像头旋转;When the camera control mode is the first control mode, acquire the sliding track of the user on the touch device, and control the rotation of the camera according to the sliding track;

在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置。When the camera control mode is the second control mode, control the rotation of the camera in a preset manner, and detect the image collected by the camera during the rotation; when it is detected that the image currently collected by the camera contains a specified image , the camera is controlled to rotate to a position directly facing the object corresponding to the specified image.

进一步地,所述滑动轨迹包括滑动距离、滑动时间和活动方向;Further, the sliding trajectory includes sliding distance, sliding time and activity direction;

所述根据所述滑动轨迹控制所述摄像头旋转包括:The controlling the rotation of the camera according to the slide track includes:

根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度;Calculate the rotational angular velocity of the camera according to the sliding distance and sliding time;

控制所述摄像头按照所述旋转角速度沿所述滑动方向旋转。controlling the camera to rotate along the sliding direction according to the rotational angular velocity.

进一步地,所述根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度的公式具体为:Further, the formula for calculating the rotational angular velocity of the camera according to the sliding distance and sliding time is specifically:

Hh ′′ == Hh ×× SS ′′ SS

VV ′′ == Hh ′′ tt

其中,S为用户手指在所述触控装置上所能滑动的最大长度或者宽度,S'为用户手指在所述触控装置上的滑动距离,t为用户手指在所述触控装置上的滑动时间,H为所述摄像头的最大可旋转角度,H'为用户手指在所述触控装置上的滑动距离S'对应的摄像头旋转角度,V'为摄像头的旋转角速度。Wherein, S is the maximum length or width that the user's finger can slide on the touch device, S' is the sliding distance of the user's finger on the touch device, and t is the distance of the user's finger on the touch device. Sliding time, H is the maximum rotatable angle of the camera, H' is the camera rotation angle corresponding to the sliding distance S' of the user's finger on the touch device, and V' is the rotation angular velocity of the camera.

进一步地,所述在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置包括:Further, when the camera control mode is the second control mode, control the rotation of the camera according to a preset method, and detect the image collected by the camera during the rotation; when the image currently collected by the camera is detected When the specified image is contained in , controlling the rotation of the camera to a position directly facing the object corresponding to the specified image includes:

在所述摄像头控制模式为第二控制模式时,控制所述摄像头以预设速率旋转;When the camera control mode is the second control mode, controlling the camera to rotate at a preset rate;

检测旋转过程中所述摄像头采集到的图像;Detecting images captured by the camera during the rotation process;

当检测到摄像头当前采集到的图像中包含人或者动物图像时,根据所述人或者动物图像在当前采集的图像中的位置获取所述人或者动物相对于所述摄像头的偏移角度和偏移方向;When it is detected that the image currently collected by the camera contains a human or animal image, obtain the offset angle and offset of the human or animal relative to the camera according to the position of the human or animal image in the currently collected image direction;

根据所述偏移角度控制控制摄像头沿所述偏移方向旋转,以使得旋转后的摄像头正对所述人或者动物。Controlling and controlling the rotation of the camera along the deviation direction according to the deviation angle, so that the rotated camera faces the person or the animal.

本发明的另一方面,提供了一种控制移动终端摄像头旋转的装置,所述装置包括触控装置,所述触控装置位于所述移动终端的背面;所述装置还包括:Another aspect of the present invention provides a device for controlling the rotation of the camera of a mobile terminal, the device includes a touch device, and the touch device is located on the back of the mobile terminal; the device also includes:

控制模式获取模块,用于在摄像头启动后,获取用户选择的摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;The control mode acquisition module is used to acquire the camera control mode selected by the user after the camera is started, and the camera control mode includes a first control mode and a second control mode;

第一控制模块,用于在所述摄像头控制模式为第一控制模式时,获取用户在所述触控装置上的滑动轨迹,根据所述滑动轨迹控制所述摄像头旋转;A first control module, configured to obtain a sliding track of the user on the touch device when the camera control mode is the first control mode, and control the rotation of the camera according to the sliding track;

第二控制模块,用于在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置。The second control module is configured to control the rotation of the camera in a preset manner when the camera control mode is the second control mode, and detect the images collected by the camera during the rotation; when it is detected that the camera currently collects When the specified image is included in the specified image, the camera is controlled to rotate to a position facing the object corresponding to the specified image.

进一步地,所述滑动轨迹包括滑动距离、滑动时间和活动方向;Further, the sliding trajectory includes sliding distance, sliding time and activity direction;

所述第一控制模块还包括:The first control module also includes:

计算单元,用于根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度,a calculation unit, configured to calculate the rotational angular velocity of the camera according to the sliding distance and sliding time,

第一控制单元,用于控制所述摄像头按照所述旋转角速度沿所述滑动方向旋转。A first control unit, configured to control the camera to rotate along the sliding direction according to the rotational angular velocity.

进一步地,所述根据所述滑动距离和滑动时间计算出摄像头的旋转角速度的公式具体为:Further, the formula for calculating the rotational angular velocity of the camera according to the sliding distance and sliding time is specifically:

Hh ′′ == Hh ×× SS ′′ SS

VV ′′ == Hh ′′ tt

其中,S为用户手指在所述触控装置上所能滑动的最大长度或者宽度,S'为用户手指在所述触控装置上的滑动距离,t为用户手指在所述触控装置上的滑动时间,H为所述摄像头的最大可旋转角度,H'为用户手指在所述触控装置上的滑动距离S'对应的摄像头旋转角度,V'为摄像头的旋转角速度。Wherein, S is the maximum length or width that the user's finger can slide on the touch device, S' is the sliding distance of the user's finger on the touch device, and t is the distance of the user's finger on the touch device. Sliding time, H is the maximum rotatable angle of the camera, H' is the camera rotation angle corresponding to the sliding distance S' of the user's finger on the touch device, and V' is the rotation angular velocity of the camera.

进一步地,所述第二控制模块包括:Further, the second control module includes:

第一控制单元,用于在所述摄像头控制模式为第二控制模式时,控制所述摄像头以预设速率旋转;a first control unit, configured to control the camera to rotate at a preset rate when the camera control mode is the second control mode;

检测单元,用于检测旋转过程中所述摄像头采集到的图像;a detection unit, configured to detect images collected by the camera during the rotation;

获取单元,用于当检测到摄像头当前采集到的图像中包含人或者动物图像时,根据所述人或者动物图像在当前采集的图像中的位置获取所述人或者动物相对于所述摄像头的偏移角度和偏移方向;An acquisition unit, configured to acquire the offset of the person or animal relative to the camera according to the position of the person or animal image in the currently collected image when it is detected that the image currently collected by the camera contains an image of a person or animal. shift angle and shift direction;

第二控制单元,用于根据所述偏移角度控制控制摄像头沿所述偏移方向旋转,以使得旋转后的摄像头正对所述人或者动物。The second control unit is configured to control and control the rotation of the camera along the deviation direction according to the deviation angle, so that the rotated camera faces the person or the animal.

本发明的第三方面,提供了一种移动终端,所述移动终端包括如上所述的控制移动终端摄像头旋转的装置。A third aspect of the present invention provides a mobile terminal, which includes the above-mentioned device for controlling the rotation of the camera of the mobile terminal.

与现有技术相比,本发明通过在移动终端的背面设置一触控装置,并且设置了两种摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;在所述摄像头控制模式为第一控制模式时,根据用户手指在所述触控装置上的滑动轨迹控制所述摄像头旋转,从而实现了背面触控控制摄像头旋转,解决了现有技术由于手指触碰手机的触摸屏幕导致用户不能看到手机屏幕上所显示的完整图像以及引起误操作的问题;在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置,从而实现了通过检测指定物体的方式控制摄像头旋转,大大的提升了用户拍摄时的体验感。Compared with the prior art, the present invention sets a touch device on the back of the mobile terminal, and sets two camera control modes, the camera control mode includes a first control mode and a second control mode; When the control mode is the first control mode, the rotation of the camera is controlled according to the sliding track of the user's finger on the touch device, thereby realizing the rear touch control of the rotation of the camera, which solves the problem of touch caused by the finger touching the mobile phone in the prior art. The screen causes the user to not be able to see the complete image displayed on the screen of the mobile phone and causes problems of misoperation; when the camera control mode is the second control mode, the camera is controlled to rotate in a preset manner, and the camera rotation is detected during the rotation process. The image collected by the camera; when it is detected that the image currently collected by the camera contains a specified image, the camera is controlled to rotate to a position facing the object corresponding to the specified image, thereby realizing the detection of the specified object. This method controls the rotation of the camera, which greatly improves the user's experience when shooting.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor.

图1是本发明实施例一提供的控制移动终端摄像头旋转的方法的实现流程图;FIG. 1 is an implementation flowchart of a method for controlling the rotation of a camera of a mobile terminal provided by Embodiment 1 of the present invention;

图2是本发明实施例二提供的控制移动终端摄像头旋转的方法中步骤S102的具体实现流程图;FIG. 2 is a specific implementation flowchart of step S102 in the method for controlling the rotation of the mobile terminal camera provided by Embodiment 2 of the present invention;

图3是本发明实施例三提供的控制移动终端摄像头旋转的装置的组成结构图。FIG. 3 is a structural diagram of an apparatus for controlling the rotation of a camera of a mobile terminal provided by Embodiment 3 of the present invention.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。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。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

本发明实施例提供了一种控制移动终端摄像头旋转的方法,通过在移动终端的背面设置一触控装置,并且设置了两种摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;在所述摄像头控制模式为第一控制模式时,根据用户手指在所述触控装置上的滑动轨迹控制摄像头旋转,从而实现了背面触控控制摄像头旋转;在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置,从而实现了通过检测指定物体的方式自动控制摄像头旋转,大大的提升了用户拍摄时的体验感;本发明实施例还提供了相应的控制移动终端摄像头旋转的装置,以下分别进行详细说明。The embodiment of the present invention provides a method for controlling the rotation of the camera of a mobile terminal, by setting a touch device on the back of the mobile terminal, and setting two camera control modes, the camera control modes include the first control mode and the second control mode Control mode; when the camera control mode is the first control mode, the camera rotation is controlled according to the sliding track of the user's finger on the touch device, thereby realizing the rear touch control camera rotation; when the camera control mode is In the second control mode, control the rotation of the camera according to the preset method, and detect the image collected by the camera during the rotation process; when it is detected that the image currently collected by the camera contains a specified image, then control the rotation of the camera to the position directly facing the object corresponding to the specified image, thereby realizing the automatic control of the rotation of the camera by detecting the specified object, which greatly improves the user's experience when shooting; the embodiment of the present invention also provides a corresponding control movement The device for rotating the terminal camera will be described in detail below.

实施例一Embodiment one

图1示出了本发明实施例一提供的控制移动终端摄像头旋转的方法的实现流程。FIG. 1 shows the implementation process of the method for controlling the rotation of the camera of a mobile terminal provided by Embodiment 1 of the present invention.

在本实施例中,所述方法应用于移动终端,所述移动终端包括但不限于手机、平板电脑、ipad等智能设备。所述移动终端内部设置有摄像头、控制摄像头旋转的马达、主控制器以及一触控装置。优选地,所述触控装置还包括一触控板,所述触控板设置在所述移动终端的背面,即设置在与所述移动终端触摸屏幕相反的另一面。In this embodiment, the method is applied to mobile terminals, and the mobile terminals include but are not limited to smart devices such as mobile phones, tablet computers, and ipads. The mobile terminal is provided with a camera, a motor for controlling the rotation of the camera, a main controller and a touch device. Preferably, the touch control device further includes a touch panel, and the touch panel is arranged on the back of the mobile terminal, that is, on the other side opposite to the touch screen of the mobile terminal.

在本实施例中,所述触摸板是一种在平滑的触控板上,利用手指的滑动操作来控制摄像头旋转的输入装置。触摸板用印刷电路做成行和列的阵列;印刷板与表面塑料覆膜用强力双面胶粘贴,其感应检测原理是电容传感。当用户的手指接近触摸板时会使电容量改变,触摸板自身会检测出电容改变量,转换成控制摄像头旋转的指令。触摸板是借助电容感应来获知手指滑动情况,对手指的热量并不敏感,且耗电量少。In this embodiment, the touchpad is an input device for controlling the rotation of the camera with a sliding operation of a finger on a smooth touchpad. The touch panel is made into an array of rows and columns with printed circuits; the printed board and the plastic film on the surface are pasted with strong double-sided adhesive, and the sensing detection principle is capacitive sensing. When the user's finger approaches the touchpad, the capacitance will change, and the touchpad itself will detect the amount of capacitance change and convert it into an instruction to control the rotation of the camera. The touchpad uses capacitive sensing to know the sliding situation of the finger, which is not sensitive to the heat of the finger and consumes less power.

如图1所示,所述方法包括:As shown in Figure 1, the method includes:

在步骤S101中,在摄像头启动后,获取用户选择的摄像头控制模式。In step S101, after the camera is started, the camera control mode selected by the user is acquired.

本实施例设置了多种摄像头控制模式,包括第一控制模式和第二控制模式。在摄像头启动后,以列表的方式向用户显示可供选择的摄像头控制模式,接收用户通过比如点击、滑动等方式输入的选择指令,以获取用户选择的摄像头控制模式。In this embodiment, multiple camera control modes are set, including a first control mode and a second control mode. After the camera is started, selectable camera control modes are displayed to the user in a list, and a selection command input by the user through, for example, clicking or sliding is received to obtain the camera control mode selected by the user.

在步骤S102中,在所述摄像头控制模式为第一控制模式时,获取用户在所述触控装置上的滑动轨迹,根据所述滑动轨迹控制所述摄像头旋转。In step S102, when the camera control mode is the first control mode, acquire a sliding track of the user on the touch device, and control the rotation of the camera according to the sliding track.

用户选择了第一控制模式后,移动终端将进入对摄像头的第一控制模式。由于所述触摸板设置在移动终端的背面,因此,用户可手握移动终端并通过食指或者中指等触碰所述触摸板,所述触摸板将感应到手指的滑动轨迹,并将其转换成控制摄像头旋转的指令发送到马达,使得马达转动带动摄像头旋转,以实现背面触控控制摄像头旋转;其中,所述滑动轨迹包括手指的滑动距离、滑动时间以及滑动方向。本实施例中由于所述触摸板设置于移动终端的背面,因此能够最大程度的正面解放移动终端的触摸屏幕,解决了现有的摄像头旋转控制技术由于手指触碰手机的触摸屏幕而导致用户不能看到手机屏幕上所显示的完整图像,以及引起误操作的问题。After the user selects the first control mode, the mobile terminal will enter the first control mode for the camera. Since the touchpad is arranged on the back of the mobile terminal, the user can hold the mobile terminal and touch the touchpad with the index finger or middle finger, etc., and the touchpad will sense the sliding track of the finger and convert it into The command to control the rotation of the camera is sent to the motor, so that the rotation of the motor drives the rotation of the camera, so as to realize the rear touch control of the rotation of the camera; wherein, the sliding track includes the sliding distance, sliding time and sliding direction of the finger. In this embodiment, since the touchpad is arranged on the back of the mobile terminal, it can free the touch screen of the mobile terminal from the front to the greatest extent, and solve the problem that the existing camera rotation control technology causes the user to be unable to touch the touch screen of the mobile phone due to finger touch See the full image displayed on the phone's screen, as well as the issues that caused the misuse.

背面控制摄像头旋转将在后续实施例中进行详细的说明,此处不在赘述。Controlling the rotation of the camera on the back will be described in detail in subsequent embodiments, and will not be repeated here.

在步骤S103,在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置。In step S103, when the camera control mode is the second control mode, control the rotation of the camera in a preset manner, and detect the images collected by the camera during the rotation; When the specified image is contained, the camera is controlled to rotate to a position directly facing the object corresponding to the specified image.

在本实施例中,用户选择了第二控制模式后,移动终端将进入第二控制模式。在所述控制模式下,首先获取用户输入的指定物体。所述指定物体优选为人物、动物(包括但不限于鸟、狗、猫等)。在获取到用户输入的指定物体后,控制摄像头以预设的角速度匀速上下或者左右旋转。在旋转的过程中,检测所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含人或者动物图像时,根据所述人或者动物图像在当前采集的图像中的位置获取所述人或者动物相对于所述摄像头的偏移角度和偏移方向;再根据所述偏移角度控制控制摄像头沿所述偏移方向旋转,以使得旋转后的摄像头正对所述人或者动物。从而实现了通过检测指定物体的方式自动控制摄像头旋转,用户不需要自己去控制调整摄像头,只需要通过输入简单的指令,就可以通过图像检测与识别等方式自动控制摄像头旋转到与指定物体正对着的位置,大大地提升了用户拍摄时的体验感。In this embodiment, after the user selects the second control mode, the mobile terminal will enter the second control mode. In the control mode, the specified object input by the user is acquired first. The specified object is preferably a person, an animal (including but not limited to a bird, a dog, a cat, etc.). After obtaining the specified object input by the user, the camera is controlled to rotate up and down or left and right at a constant speed at a preset angular velocity. During the rotation process, the images collected by the camera are detected; when it is detected that the images currently collected by the camera contain human or animal images, the image is acquired according to the position of the human or animal images in the currently collected images The offset angle and offset direction of the person or animal relative to the camera; and then control the rotation of the camera along the offset direction according to the offset angle, so that the rotated camera faces the person or animal. In this way, the rotation of the camera is automatically controlled by detecting the specified object. The user does not need to control and adjust the camera by himself, but only needs to input simple instructions to automatically control the rotation of the camera to face the specified object through image detection and recognition. The position of the camera greatly improves the user's experience when shooting.

优选地,通过步骤S103的自动控制摄像头旋转后,若用户认为控制不够精确,本实施例还提供了从第二控制模式切换到第一控制模式以进行背面触控的手动控制。Preferably, after the automatic camera rotation is controlled in step S103, if the user thinks that the control is not precise enough, this embodiment also provides a manual control of switching from the second control mode to the first control mode for back touch.

因此,所述步骤S103之后还包括:Therefore, after the step S103, it also includes:

响应用户输入的控制模式切换指令,将摄像头控制模式从第二控制模式切换到第一控制模式,返回步骤S101,获取用户在所述触控装置上的滑动轨迹,根据所述滑动轨迹控制所述摄像头旋转。Responding to the control mode switching instruction input by the user, switch the camera control mode from the second control mode to the first control mode, return to step S101, obtain the user's sliding track on the touch device, and control the camera according to the sliding track. The camera rotates.

在本发明实施例中,通过在移动终端的背面设置一触控装置,并且设置了两种摄像头控制模式,包括第一控制模式和第二控制模式;在所述摄像头控制模式为第一控制模式时,根据用户手指在所述触控装置上的滑动轨迹控制所述摄像头旋转,从而实现了背面触控控制摄像头旋转,解决了现有技术由于手指触碰手机的触摸屏幕导致用户不能看到手机屏幕上所显示的完整图像以及引起误操作的问题;在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置,从而实现了通过检测指定物体的方式自动控制摄像头旋转,大大的提升了用户拍摄时的体验感。In the embodiment of the present invention, a touch control device is set on the back of the mobile terminal, and two camera control modes are set, including a first control mode and a second control mode; the camera control mode is the first control mode At this time, the rotation of the camera is controlled according to the sliding track of the user's finger on the touch device, so that the rotation of the camera is controlled by touch on the back, which solves the problem that the user cannot see the mobile phone due to the finger touching the touch screen of the mobile phone in the prior art. The complete image displayed on the screen and the problems causing misoperation; when the camera control mode is the second control mode, control the rotation of the camera according to the preset method, and detect the images collected by the camera during the rotation process; When it is detected that the image currently collected by the camera contains a specified image, the camera is controlled to rotate to a position directly facing the object corresponding to the specified image, thereby automatically controlling the rotation of the camera by detecting the specified object, greatly It greatly improves the user's experience when shooting.

实施例二Embodiment two

图2示出了本发明实施例一提供的控制移动终端摄像头旋转的方法中步骤S102的具体实现流程。FIG. 2 shows the specific implementation process of step S102 in the method for controlling the rotation of the camera of the mobile terminal provided by Embodiment 1 of the present invention.

在本实施例中,用户手指的滑动方向包括沿上下方向滑动和/或沿左右方向滑动。In this embodiment, the sliding direction of the user's finger includes sliding in the up and down directions and/or sliding in the left and right directions.

如图2所示,步骤S102具体包括:As shown in Figure 2, step S102 specifically includes:

在步骤S201中,在第一控制模式下,获取用户手指在所述触控装置上的滑动距离、滑动时间和滑动方向。In step S201, in the first control mode, the sliding distance, sliding time and sliding direction of the user's finger on the touch device are acquired.

当用户手指在触控装置的触摸板上滑动时,将使触摸板上的电容量发生变化,本实施例通过检测电容量的改变量来感应并获取手指在所述触摸板上的滑动距离、滑动时间以及滑动方向。When the user's finger slides on the touch panel of the touch device, the capacitance on the touch panel will change. This embodiment senses and obtains the sliding distance of the finger on the touch panel by detecting the amount of change in the capacitance, Swipe time and swipe direction.

在步骤S202中,根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度。In step S202, the rotational angular velocity of the camera is calculated according to the sliding distance and sliding time.

优选地,所述根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度的公式具体为:Preferably, the formula for calculating the rotational angular velocity of the camera according to the sliding distance and sliding time is specifically:

Hh ′′ == Hh ×× SS ′′ SS

VV ′′ == Hh ′′ tt

其中,S为用户手指在所述触控装置上所能滑动的最大长度或者宽度,S'为用户手指在所述触控装置上的滑动距离,t为用户手指在所述触控装置上的滑动时间,H为所述摄像头的最大可旋转角度,H'为用户手指在所述触控装置上的滑动距离S'对应的摄像头旋转角度,V'为摄像头的旋转角速度。Wherein, S is the maximum length or width that the user's finger can slide on the touch device, S' is the sliding distance of the user's finger on the touch device, and t is the distance of the user's finger on the touch device. Sliding time, H is the maximum rotatable angle of the camera, H' is the camera rotation angle corresponding to the sliding distance S' of the user's finger on the touch device, and V' is the rotation angular velocity of the camera.

用户手指在触摸板上所能滑动的最大长度或者宽度S和摄像头的最大可旋转角度H在移动终端出厂时设置好。The maximum length or width S that the user's finger can slide on the touchpad and the maximum rotatable angle H of the camera are set when the mobile terminal leaves the factory.

由上述公式可知,在获取到用户手指在触摸板上的滑动距离和滑动时间后,首先根据用户手指在触摸板上的滑动距离S'和手指在触摸板上所能滑动的最大长度或者宽度S的比值,计算出用户手指在所述触控板上的滑动距离S'对应的摄像头旋转角度H'。然后根据用户手指在所述触控板上的滑动距离S'对应的摄像头旋转角度H'与手指在触摸板上的滑动时间t的比值,获得摄像头的旋转角速度V'。It can be seen from the above formula that after obtaining the sliding distance and sliding time of the user's finger on the touchpad, firstly, according to the sliding distance S' of the user's finger on the touchpad and the maximum length or width S that the finger can slide on the touchpad The ratio of the user's finger on the touchpad to calculate the camera rotation angle H' corresponding to the sliding distance S'. Then, according to the ratio of the camera rotation angle H' corresponding to the sliding distance S' of the user's finger on the touch panel to the sliding time t of the finger on the touch panel, the rotational angular velocity V' of the camera is obtained.

在步骤S203中,判断所述滑动方向是否为沿上下方向滑动。In step S203, it is determined whether the sliding direction is sliding in the up-down direction.

若是,则执行步骤S204;否则,执行步骤S205。If yes, execute step S204; otherwise, execute step S205.

在步骤S204中,控制摄像头按照计算得到的旋转角速度沿上下方向旋转。In step S204, the camera is controlled to rotate in the up and down direction according to the calculated rotation angular velocity.

在步骤S205中,判断所述滑动方向是否为沿左右方向滑动。In step S205, it is determined whether the sliding direction is sliding along the left and right directions.

若是,则执行步骤S206;否则,不执行任何操作。If yes, perform step S206; otherwise, do not perform any operation.

在步骤S206中,控制摄像头按照计算得到的旋转角速度沿左右方向旋转。In step S206, the camera is controlled to rotate in the left-right direction according to the calculated rotational angular velocity.

在本发明实施例中,通过在移动终端的背面设置一触控装置,通过所述触控装置的触控板获取用户手指的滑动距离、滑动时间和滑动方向,并根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度,最后根据摄像头的旋转角速度和旋转方向控制摄像头旋转,从而实现了背面触控控制摄像头旋转;进一步地,由于所述触摸板设置在移动终端的背面,从而能够最大程度的正面解放移动终端的触摸屏幕,解决了现有技术由于手指触碰手机的触摸屏导致用户不能看到手机屏幕上所显示的完整图像以及引起误操作的问题。In the embodiment of the present invention, by setting a touch device on the back of the mobile terminal, the sliding distance, sliding time and sliding direction of the user's finger are obtained through the touch panel of the touch device, and according to the sliding distance and sliding Calculate the angular velocity of rotation of the camera in time, and finally control the rotation of the camera according to the angular velocity of rotation and the direction of rotation of the camera, thereby realizing the rear touch control camera rotation; further, since the touchpad is arranged on the back of the mobile terminal, it can It liberates the touch screen of the mobile terminal positively to the greatest extent, and solves the problem in the prior art that the user cannot see the complete image displayed on the screen of the mobile phone and causes misoperation due to fingers touching the touch screen of the mobile phone.

实施例三Embodiment Three

图3示出了本发明实施例三提供的控制移动终端摄像头旋转的装置的组成结构,为了便于说明,仅示出了与本发明相关的部分。FIG. 3 shows the composition structure of the device for controlling the rotation of the camera of the mobile terminal provided by the third embodiment of the present invention. For the convenience of description, only the parts related to the present invention are shown.

在本实施例中,所述控制移动终端摄像头旋转的装置应用于移动终端上,用以实现图1和图2实施例所述的控制移动终端摄像头旋转的方法。所述移动终端包括但不限于具有摄像头的手机、平板电脑、ipad等。In this embodiment, the device for controlling the rotation of the camera of the mobile terminal is applied to the mobile terminal, so as to implement the method for controlling the rotation of the camera of the mobile terminal described in the embodiment in FIG. 1 and FIG. 2 . The mobile terminal includes, but is not limited to, a mobile phone with a camera, a tablet computer, an ipad, and the like.

如图3所示,所述装置包括:As shown in Figure 3, the device includes:

控制模式获取模块31,用于在摄像头启动后,获取用户选择的摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;A control mode acquiring module 31, configured to acquire the camera control mode selected by the user after the camera is started, and the camera control mode includes a first control mode and a second control mode;

第一控制模块32,用于在所述摄像头控制模式为第一控制模式时,获取用户在所述触控装置上的滑动轨迹,根据所述滑动轨迹控制所述摄像头旋转;The first control module 32 is configured to acquire the sliding track of the user on the touch device when the camera control mode is the first control mode, and control the rotation of the camera according to the sliding track;

在本实施例中,所述装置还包括一触控模块34,所述触控模块包括一触控板,所述触控板优选设置于所述移动终端的背面。In this embodiment, the device further includes a touch module 34, the touch module includes a touch panel, and the touch panel is preferably arranged on the back of the mobile terminal.

第二控制模块33,用于在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置。The second control module 33 is used to control the rotation of the camera in a preset manner when the camera control mode is the second control mode, and detect the images collected by the camera during the rotation; when it is detected that the camera is currently collecting When the received image contains the specified image, the camera is controlled to rotate to a position facing the object corresponding to the specified image.

所述第一控制模块32包括:The first control module 32 includes:

获取单元321,用于获取用户手指在所述触控装置上的滑动轨迹。The obtaining unit 321 is configured to obtain a sliding track of the user's finger on the touch device.

可选地,用户手指在触控装置上的滑动轨迹包括滑动距离、滑动时间和滑动方向。Optionally, the sliding track of the user's finger on the touch device includes a sliding distance, a sliding time, and a sliding direction.

计算单元322,用于根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度,A calculation unit 322, configured to calculate the rotational angular velocity of the camera according to the sliding distance and sliding time,

第一控制单元323,用于控制所述摄像头按照所述旋转角速度沿所述滑动方向旋转。The first control unit 323 is configured to control the camera to rotate along the sliding direction according to the rotational angular velocity.

优选地,所述滑动方向包括沿上下方向滑动和沿左右方向滑动。Preferably, the sliding direction includes sliding in the up-down direction and sliding in the left-right direction.

可选地,所述计算单元322根据所述滑动距离和滑动时间计算出所述摄像头的旋转角速度的公式具体为:Optionally, the calculation unit 322 calculates the rotation angular velocity of the camera according to the sliding distance and the sliding time. The formula is specifically:

Hh ′′ == Hh ×× SS ′′ SS

VV ′′ == Hh ′′ tt

其中,S为用户手指在所述触控装置上所能滑动的最大长度或者宽度,S'为用户手指在所述触控装置上的滑动距离,t为用户手指在所述触控装置上的滑动时间,H为所述摄像头的最大可旋转角度,H'为用户手指在所述触控装置上的滑动距离S'对应的摄像头旋转角度,V'为摄像头的旋转角速度。Wherein, S is the maximum length or width that the user's finger can slide on the touch device, S' is the sliding distance of the user's finger on the touch device, and t is the distance of the user's finger on the touch device. Sliding time, H is the maximum rotatable angle of the camera, H' is the camera rotation angle corresponding to the sliding distance S' of the user's finger on the touch device, and V' is the rotation angular velocity of the camera.

所述用户手指在触摸板上所能滑动的最大长度或者宽度S和摄像头的最大可旋转角度H在移动终端出厂时设置好。The maximum length or width S that the user's finger can slide on the touch panel and the maximum rotatable angle H of the camera are set when the mobile terminal leaves the factory.

可选地,所述识别控制模块33包括:Optionally, the identification control module 33 includes:

第一控制单元331,用于在所述摄像头控制模式为第二控制模式时,控制所述摄像头以预设速率旋转;The first control unit 331 is configured to control the camera to rotate at a preset rate when the camera control mode is the second control mode;

检测单元332,用于检测旋转过程中所述摄像头采集到的图像;A detection unit 332, configured to detect images collected by the camera during the rotation process;

获取单元333,用于当检测到摄像头当前采集到的图像中包含人或者动物图像时,根据所述人或者动物图像在当前采集的图像中的位置获取所述人或者动物相对于所述摄像头的偏移角度和偏移方向;The acquisition unit 333 is configured to acquire the position of the person or animal relative to the camera according to the position of the person or animal image in the currently collected image when it is detected that the image currently collected by the camera contains a human or animal image. Offset angle and offset direction;

第二控制单元334,用于根据所述偏移角度控制控制摄像头沿所述偏移方向旋转,以使得旋转后的摄像头正对所述人或者动物。The second control unit 334 is configured to control and control the rotation of the camera along the deviation direction according to the deviation angle, so that the rotated camera faces the person or the animal.

作为本发明的一个实施示例,所述动物可以为鸟、猫、狗等。As an implementation example of the present invention, the animal may be a bird, a cat, a dog, or the like.

优选地,通过第二控制模块控制摄像头旋转后,若用户认为控制不够精确,本实施例还提供了从第二控制模式切换到第一控制模式以进行背面手动控制摄像头旋转的功能。Preferably, after the rotation of the camera is controlled by the second control module, if the user thinks that the control is not precise enough, this embodiment also provides the function of switching from the second control mode to the first control mode to manually control the rotation of the camera on the back.

因此,所述装置还包括模式切换模块。所述模式切换模块具体用于:Therefore, the device also includes a mode switching module. The mode switching module is specifically used for:

响应用户输入的控制模式切换指令,将摄像头控制模式从第二控制模式切换到第一控制模式,返回第一控制模块,根据用户手指在触控装置上的滑动轨迹控制摄像头旋转。In response to the control mode switching command input by the user, switch the camera control mode from the second control mode to the first control mode, return to the first control module, and control the rotation of the camera according to the sliding track of the user's finger on the touch device.

在本发明实施例中,在移动终端的背面设置一触控装置,并且设置了两种摄像头控制模式,所述摄像头控制模式包括第一控制模式和第二控制模式;在所述摄像头控制模式为第一控制模式时,根据用户手指在所述触控装置上的滑动轨迹控制所述摄像头旋转,从而实现了背面触控控制摄像头旋转,解决了现有技术由于手指触碰手机的触摸屏幕导致用户不能看到手机屏幕上所显示的完整图像以及引起误操作的问题;在所述摄像头控制模式为第二控制模式时,按预设方式控制所述摄像头旋转,并检测旋转过程中所述摄像头采集到的图像;当检测到摄像头当前采集到的图像中包含指定图像时,则控制所述摄像头旋转到与所述指定图像对应的物体正对的位置,从而实现了通过检测指定物体的方式自动控制摄像头旋转,大大的提升了用户拍摄时的体验感。In the embodiment of the present invention, a touch device is set on the back of the mobile terminal, and two camera control modes are set, and the camera control mode includes a first control mode and a second control mode; In the first control mode, the rotation of the camera is controlled according to the sliding track of the user's finger on the touch device, thereby realizing the rear touch control of the rotation of the camera, which solves the problem of the user's finger touching the touch screen of the mobile phone in the prior art. Can not see the complete image displayed on the screen of the mobile phone and the problem of causing misoperation; when the camera control mode is the second control mode, control the rotation of the camera according to the preset method, and detect the camera acquisition during the rotation process When it is detected that the image currently collected by the camera contains a specified image, the camera is controlled to rotate to a position directly facing the object corresponding to the specified image, thereby realizing automatic control by detecting the specified object The camera rotates, which greatly improves the user's shooting experience.

本领域普通技术人员还可以理解,实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成,所述的程序可以在存储于一计算机可读取存储介质中,所述的存储介质,包括ROM/RAM、磁盘、光盘等。Those of ordinary skill in the art can also understand that all or part of the steps in the method of the above embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, so The storage medium mentioned above includes ROM/RAM, magnetic disk, optical disk, etc.

以上所述仅为本发明的优选实施例而已,并不用于限制本发明。例如,各个模块只是按照功能逻辑进行划分的,但并不局限于上述的划分,只要能够实现相应的功能即可;另外,各功能模块的具体名称也只是为了便于相互区分,并不用于限制本发明的保护范围。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For example, each module is only divided according to the functional logic, but it is not limited to the above-mentioned division, as long as the corresponding function can be realized; in addition, the specific names of each functional module are only for the convenience of distinguishing each other, and are not used to limit this protection scope of the invention.

凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. control the method that mobile terminal camera rotates, it is characterized in that, the back side of described mobile terminal is provided with contactor control device; Described method comprises:
After camera starts, obtain the camera control model that user selects, described camera control model comprises the first control model and the second control model;
When described camera control model is the first control model, obtain the sliding trace of user on described contactor control device, control described camera according to described sliding trace and rotate;
When described camera control model is the second control model, controls described camera by predetermined manner and rotate, and detect the image that camera collection described in rotary course arrives; When detect in the current image collected of camera comprise specify image time, then control described camera and rotate to the just right position of the object corresponding with described appointment image.
2. the method controlling mobile terminal camera and rotate as claimed in claim 1, it is characterized in that, described sliding trace comprises sliding distance, sliding time and activity direction;
Described according to described sliding trace control described camera rotate comprise:
The angular velocity of rotation of described camera is calculated according to described sliding distance and sliding time;
Control described camera to rotate along described glide direction according to described angular velocity of rotation.
3. the method controlling mobile terminal camera and rotate as claimed in claim 2, it is characterized in that, the described formula calculating the angular velocity of rotation of described camera according to described sliding distance and sliding time is specially:
H ′ = H × S ′ S
V ′ = H ′ t
Wherein, S is user's finger slidable maximum length or width on described contactor control device, S' is the sliding distance that user points on described contactor control device, t is the sliding time that user points on described contactor control device, H is the maximum angle rotatable of described camera, H' is that user points rotation angle of camera corresponding to sliding distance S' on described contactor control device, and V' is the angular velocity of rotation of camera.
4. the method controlling mobile terminal camera and rotate as claimed in claim 1, it is characterized in that, described when described camera control model is the second control model, control described camera by predetermined manner and rotate, and detect the image that camera collection described in rotary course arrives; When detect in the current image collected of camera comprise specify image time, then control the position that described camera rotates to the object corresponding with described appointment image just right and comprise:
When described camera control model is the second control model, controls described camera and rotate with scheduled rate;
Detect the image that described in rotary course, camera collection arrives;
When detect comprise people or animal painting in the current image collected of camera time, according to described people or animal painting, people described in the position acquisition in the image of current collection or animal are relative to the deviation angle of described camera and offset direction;
Control camera according to described deviation angle to rotate along described offset direction, to make postrotational camera just to described people or animal.
5. control the device that mobile terminal camera rotates, it is characterized in that, described device comprises contactor control device, and described contactor control device is positioned at the back side of described mobile terminal;
Described device also comprises:
Control model acquisition module, for after camera starts, obtain the camera control model that user selects, described camera control model comprises the first control model and the second control model;
First control module, for when described camera control model is the first control model, obtains the sliding trace of user on described contactor control device, controls described camera rotate according to described sliding trace;
Second control module, for when described camera control model is the second control model, controls described camera by predetermined manner and rotates, and detect the image that camera collection described in rotary course arrives; When detect in the current image collected of camera comprise specify image time, then control described camera and rotate to the just right position of the object corresponding with described appointment image.
6. the device controlling mobile terminal camera and rotate as claimed in claim 5, it is characterized in that, described sliding trace comprises sliding distance, sliding time and activity direction;
Described first control module also comprises:
Computing unit, for calculating the angular velocity of rotation of described camera according to described sliding distance and sliding time,
First control module, rotates along described glide direction according to described angular velocity of rotation for controlling described camera.
7. the device controlling mobile terminal camera and rotate as claimed in claim 6, it is characterized in that, the described formula calculating the angular velocity of rotation of camera according to described sliding distance and sliding time is specially:
H ′ = H × S ′ S
V ′ = H ′ t
Wherein, S is user's finger slidable maximum length or width on described contactor control device, S' is the sliding distance that user points on described contactor control device, t is the sliding time that user points on described contactor control device, H is the maximum angle rotatable of described camera, H' is that user points rotation angle of camera corresponding to sliding distance S' on described contactor control device, and V' is the angular velocity of rotation of camera.
8. the device controlling mobile terminal camera and rotate as claimed in claim 5, it is characterized in that, described second control module comprises:
First control module, for when described camera control model is the second control model, controls described camera and rotates with scheduled rate;
Detecting unit, for detecting the image that camera collection described in rotary course arrives;
Acquiring unit, for when detect comprise people or animal painting in the current image collected of camera time, according to described people or animal painting, people described in the position acquisition in the image of current collection or animal are relative to the deviation angle of described camera and offset direction;
Second control module, rotates along described offset direction for controlling camera according to described deviation angle, to make postrotational camera just to described people or animal.
9. a mobile terminal, is characterized in that, described mobile terminal comprises the device that the control mobile terminal camera as described in any one of claim 5 to 8 rotates.
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