WO2017092401A1 - 一种基于压力传感的图像获取系统、方法及移动终端 - Google Patents

一种基于压力传感的图像获取系统、方法及移动终端 Download PDF

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Publication number
WO2017092401A1
WO2017092401A1 PCT/CN2016/094891 CN2016094891W WO2017092401A1 WO 2017092401 A1 WO2017092401 A1 WO 2017092401A1 CN 2016094891 W CN2016094891 W CN 2016094891W WO 2017092401 A1 WO2017092401 A1 WO 2017092401A1
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Prior art keywords
pressure value
value signal
image
pressure
acquire
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PCT/CN2016/094891
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English (en)
French (fr)
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王锐
朱建锋
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惠州Tcl移动通信有限公司
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Publication of WO2017092401A1 publication Critical patent/WO2017092401A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes

Definitions

  • the invention relates to the field of pressure sensing technology, in particular to an image acquisition system, a method and a mobile terminal based on pressure sensing.
  • Fast continuous shooting and fast slow motion video increase or decrease the number of photos taken and the number of video frames in a limited time.
  • the number of photos or the number of frames per unit time is set in advance, and the user cannot dynamically change according to the scene during operation.
  • the technical problem to be solved by the present invention is to provide an image acquisition system and method based on pressure sensing and a mobile terminal, which can change the photographing and video speed in real time.
  • the present invention provides a pressure sensing based image acquisition system, which includes a pressure acquisition module for acquiring a pressure value signal;
  • An image preparation module configured to prepare an image when the pressure value signal reaches a startup threshold
  • An image acquisition module configured to start acquiring an image after the image is ready to be acquired and the pressure value signal remains unchanged for a predetermined time, wherein the number of acquired images in a unit time is positively correlated to the pressure value signal;
  • the image preparation module determines whether the pressure value signal is not less than a startup threshold. If the pressure value signal is less than the startup threshold, the pressure acquisition module continues to acquire the pressure signal. If the pressure value signal is not less than the startup threshold, the image preparation module prepares to acquire an image, and Indicates the number of images acquired per unit time corresponding to the current pressure value signal.
  • the image acquisition module determines whether the pressure value signal changes within a predetermined time, and continues to determine whether the changed pressure value signal is not less than a startup threshold; if the pressure value signal does not change within a predetermined time, according to the current pressure value The number of images acquired in the corresponding unit time starts to acquire an image.
  • the image obtaining module determines that if the pressure value signal changes within a predetermined time, determining whether the changed pressure value signal is not less than the startup threshold includes: the image acquisition module determines that if the changed pressure value signal is less than the startup threshold, The return pressure acquisition module continues to obtain the pressure value signal; if the changed pressure value signal is not less than the activation threshold, the image preparation module is returned to prepare an image, and the number of acquired images per unit time corresponding to the changed pressure value signal is indicated.
  • the stop acquiring module stops acquiring the image when the pressure value signal is lower than the startup threshold.
  • the image acquiring module determines whether the pressure value signal changes after starting to acquire the image, and continues to acquire the image if the pressure value signal does not change; When the pressure value signal changes, the image is stopped by stopping the acquisition module, and it is continuously determined whether the changed pressure value signal is not less than the startup threshold.
  • the image obtaining module determines that if the pressure value signal changes, stopping the acquisition of the image by stopping the acquisition module, and continuing to determine whether the changed pressure value signal is not less than a startup threshold includes: the image acquisition module stops acquiring the image by stopping the acquisition module. If the changed pressure value signal is not greater than the startup threshold, the return pressure acquisition module continues to acquire the pressure value signal; if the changed pressure value signal is greater than the activation threshold, returns to prepare to acquire an image, and prompts the unit corresponding to the changed pressure value signal The number of images acquired during the time.
  • the present invention also provides a pressure sensing based image acquisition method, which includes:
  • preparing to acquire the image specifically includes: determining whether the pressure value signal is not less than a startup threshold, and if the pressure value signal is less than the startup threshold, continuing to acquire the pressure signal, if the pressure value signal is not less than the startup.
  • the threshold is prepared to acquire an image and prompt the number of images acquired in a unit time corresponding to the current pressure value signal.
  • starting to acquire the image includes: if the pressure value signal changes within a predetermined time, continuing to determine whether the changed pressure value signal is not less than the start Threshold value; if the pressure value signal does not change within a predetermined time, the image is acquired according to the number of acquired images per unit time corresponding to the current pressure value.
  • continuing to determine whether the changed pressure value signal is not less than the startup threshold includes: if the changed pressure value signal is less than the startup threshold, returning to continue to acquire the pressure value signal; If the changed pressure value signal is not less than the startup threshold, the image is ready to be acquired, and the number of acquired images per unit time corresponding to the changed pressure value signal is indicated.
  • stopping acquiring the image comprises: determining whether the pressure value signal changes after starting to acquire the image, and continuing to acquire the image if the pressure value signal does not change; if the pressure value signal changes, Then, the image acquisition is stopped, and it is continuously determined whether the changed pressure value signal is not less than the startup threshold.
  • stopping acquiring the image, and continuing to determine whether the changed pressure value signal is not less than the startup threshold includes: stopping acquiring the image, and if the changed pressure value signal is not greater than the startup threshold, returning to continue to acquire the pressure The value signal; if the changed pressure value signal is greater than the startup threshold, returns to prepare to acquire an image, and prompts the number of image acquisitions per unit time corresponding to the changed pressure value signal.
  • Nmax INT(c*Fmax), where Fmax is the maximum allowable pressure value, and c is set reasonably so that Nmax is the maximum number of images acquired per unit time.
  • the present invention also provides a mobile terminal, wherein
  • the pressure sensing module, the processor and the camera module are included;
  • the pressure sensing module is configured to acquire a pressure value signal and send the pressure value signal to the processor;
  • the processor is configured to receive the pressure value signal, and when the pressure value signal reaches the startup threshold, control the camera module to prepare to acquire an image, and when the pressure value signal remains unchanged for a predetermined time, control the camera module to start acquiring the image, when the pressure value When the signal is lower than the startup threshold, the camera module is controlled to stop acquiring images;
  • the camera module is configured to acquire an image under the control of the processor
  • the number of acquired images in a unit time is positively correlated with the pressure value signal, and the pressure sensing module is disposed on a screen or a button of the mobile terminal.
  • the processor determines whether the pressure value signal is not less than the startup threshold. If the pressure value signal is less than the startup threshold, the control pressure sensing module continues to acquire the pressure signal. If the pressure value signal is not less than the startup threshold, the camera module is prepared to acquire an image. And prompts the current pressure value signal to obtain the number of images per unit time.
  • the processor determines whether the pressure value signal changes within a predetermined time, and continues to determine whether the changed pressure value signal is not less than a starting threshold; if the pressure value signal does not change within a predetermined time, corresponding to the current pressure value
  • the number of images acquired per unit time controls the camera module to start acquiring images.
  • the processor determines that if the pressure value signal changes within a predetermined time, continuing to determine whether the changed pressure value signal is not less than the startup threshold includes: the mobile terminal determines that if the changed pressure value signal is less than the startup threshold, the control pressure The sensing module continues to obtain the pressure value signal; if the changed pressure value signal is not less than the starting threshold, the control camera module prepares to acquire an image, and prompts the number of acquired images in a unit time corresponding to the changed pressure value signal.
  • the processor controls the camera module to stop acquiring the image when the pressure value signal is lower than the startup threshold.
  • the processor determines whether the pressure value signal changes after starting to acquire the image, and continues to acquire the image if the pressure value signal does not change. If the pressure value signal changes, the control camera module stops acquiring the image, and continues to determine whether the changed pressure value signal is not less than the startup threshold.
  • the processor determines that if the pressure value signal changes, controlling the camera module to stop acquiring the image, and continuing to determine whether the changed pressure value signal is not less than the startup threshold includes: the processor controls the camera module to stop acquiring the image, and if the change The pressure value signal is not greater than the starting threshold, and the control pressure sensing module continues to obtain the pressure value signal; if the changed pressure value signal is greater than the starting threshold, returning to prepare for acquiring the image, and prompting the changed pressure value signal corresponding to the unit time The number of image acquisitions.
  • the invention has the beneficial effects that the image acquisition system, the method and the mobile terminal based on the pressure sensing are obtained by acquiring the pressure value signal and controlling whether to perform image acquisition according to the magnitude of the pressure value signal. And the number of image acquisitions per unit time, thereby realizing the effect of changing the photographing and video speed in real time.
  • FIG. 1 is a schematic flow chart of a first embodiment of a pressure sensing based image acquisition method according to the present invention
  • FIG. 2 is a schematic flow chart of a second embodiment of a pressure sensing based image acquisition method according to the present invention.
  • FIG. 3 is a schematic flow chart of a third embodiment of an image acquisition method based on pressure sensing according to the present invention.
  • FIG. 4 is a schematic structural view of an embodiment of a pressure sensing based image acquisition system according to the present invention.
  • FIG. 5 is a schematic structural diagram of an embodiment of a mobile terminal according to the present invention.
  • the first embodiment of the image sensing method based on pressure sensing of the present invention includes:
  • the startup threshold is a minimum pressure value capable of starting the image acquisition function of the mobile terminal, such as 10, 5N, etc.
  • the user can set the activation threshold by the size of the power, and prepare Obtaining an image refers to that the mobile terminal opens its own camera module, and the camera module adjusts the focal length according to the distance of the object to which the image is acquired;
  • the predetermined time refers to the shortest time for maintaining the pressure value signal, for example, 3, 2, 1 second, etc., where the change remains unchanged.
  • the pressure value signal fluctuating within a small range for example, the pressure value is 15, 20, 25N, as long as the change within 15 ⁇ 0.2N, 20 ⁇ 0.2N, 25 ⁇ 0.2N can be considered to remain unchanged;
  • the number of acquired images per unit time is positively correlated with the pressure value signal;
  • the effect of changing the number of image acquisitions per unit time in real time is realized by acquiring the pressure value signal and controlling whether or not image acquisition and the number of image acquisitions per unit time are performed according to the magnitude of the pressure value signal.
  • the fast continuous shooting and the fast slow motion video speed can be realized by changing the correspondence between the number of acquired images and the pressure value signal in a unit time, that is, when the number of image acquisitions per unit time is less than 29.97/s.
  • it can be used for fast slow motion video shooting when the number of images acquired per unit time is greater than 29.97/s.
  • a second embodiment of the image sensing method based on pressure sensing of the present invention includes,
  • S210 Acquire a pressure value signal; the user applies pressure by using a finger or other pressing a screen with a pressure sensing function, a fingerprint sensor, or a button, and the mobile terminal acquires a pressure value signal through the pressure sensing unit;
  • the startup threshold is a minimum pressure value capable of starting the image acquisition function of the mobile terminal, for example, 10, 5N, the user can set the activation threshold by the size of the power, and preparing to acquire the image refers to
  • the mobile terminal opens its own camera module, and the camera module adjusts the focal length according to the distance of the object from which the image is acquired;
  • the pressure value signal is not less than the startup threshold, prepare to acquire an image, and prompt the number of images acquired in a unit time corresponding to the pressure value signal; the number of acquired images may be displayed on the display screen of the mobile terminal in a digital display manner. It can also be prompted by voice broadcast;
  • the predetermined time refers to the shortest time for maintaining the pressure value signal unchanged, for example, 3, 2, 1 second, where the constant value here means that the pressure value signal is A small range of fluctuations, such as a pressure value of 15N, as long as the change within 15 ⁇ 0.2N can be considered to remain unchanged; wherein the number of acquired images per unit time is positively correlated with the pressure value signal;
  • the changed pressure value signal is less than the startup threshold, return to S210 to continue to acquire the pressure value signal; if the changed pressure value signal is not less than the activation threshold, perform S222 to prepare to acquire an image, and prompt the changed pressure value signal The number of acquired images in the corresponding unit time.
  • the image is acquired according to the number of acquired images per unit time corresponding to the current pressure value; for example, the signal with a pressure value of 15, 20, or 25N is 3 seconds and 2 seconds or If the fluctuation is within 15 ⁇ 0.2N, 20 ⁇ 0.2N, and 25 ⁇ 0.2N within 1 second, image acquisition is performed according to the image acquisition speed corresponding to the pressure value signal, for example, 15 images are acquired per second;
  • the mobile terminal can be divided into a fast continuous shooting and a fast slow motion video speed mode according to different image acquisition speeds, that is, when the number of image acquisitions per unit time is less than 29.97/s (greater than the number of image acquisitions per unit time corresponding to the startup threshold)
  • Working in the fast continuous shooting mode when the number of image acquisitions per unit time is greater than 29.97/s (but not greater than the maximum number of images per unit time allowed by the mobile terminal), it can work in the fast slow motion video shooting mode.
  • the third embodiment of the image sensing method based on pressure sensing of the present invention is different from the first embodiment of the present invention.
  • the startup threshold is a minimum pressure value capable of starting the image acquisition function of the mobile terminal, for example, 10, 5N, the user can set the activation threshold by the size of the power, and preparing to acquire the image refers to
  • the mobile terminal opens its own camera module, and the camera module adjusts the focal length according to the distance of the object from which the image is acquired;
  • the pressure value signal is not less than the startup threshold, prepare to acquire an image, and prompt the number of images acquired in a unit time corresponding to the pressure value signal; the number of acquired images may be displayed on the display screen of the mobile terminal in a digital display manner, It can also be prompted by voice broadcast;
  • the user confirms whether to use the current pressure value signal to obtain the number of images in a unit time by using another finger or other tapping or other preset actions; for example, using two taps with the finger to confirm the use of the current pressure
  • the number of images acquired in the unit time corresponding to the value signal is canceled by three taps.
  • Other preset actions such as drawing a check gesture on the screen are used for confirmation, and the gesture of the cross is used for cancellation.
  • the image is acquired according to the number of acquired images in the unit time corresponding to the current pressure value; for example, the signal with a pressure value of 15N is knocked twice. After confirming the lock, lock the image at 15 images per second to acquire the image;
  • S340 after starting image acquisition, it may be confirmed by another finger or other tapping or other preset action to stop acquiring the image; for example, three tap cancellations or a fork cancellation.
  • the tapping or other preset action is performed by another finger or other tool to lock or cancel the acquisition of the image, so that the user can conveniently use the user without pressing the screen, the fingerprint sensor or the button all the time.
  • an embodiment of the image sensing system based on pressure sensing of the present invention includes,
  • a pressure acquisition module 41 configured to acquire a pressure value signal
  • an image preparation module 42 configured to acquire an image when the pressure value signal reaches a startup threshold
  • an image acquisition module 43 configured to: after preparing to acquire an image, the pressure value signal is predetermined When the time remains unchanged, the image is acquired, wherein the number of acquired images per unit time is positively correlated with the pressure value signal; and the acquisition module 44 is stopped for when the pressure value signal is lower than the activation threshold. Stop getting images.
  • the pressure acquisition module 41 acquires the pressure value signal
  • the image preparation module 42 controls whether image acquisition is performed according to the magnitude of the pressure value signal and how much the image acquisition module 43 controls the number of image acquisitions per unit time. The effect of changing the number of image acquisitions per unit time in real time.
  • an embodiment of the mobile terminal of the present invention includes a pressure sensing module 51, a processor 52, a camera module 53, and a memory 54.
  • the pressure sensing module 51 is configured to acquire a pressure value signal, and send the pressure value signal to the processor 52;
  • the processor 52 is configured to receive the pressure value signal sent by the pressure sensing module 51, and when the pressure value signal reaches the startup threshold, control the camera module 53 to prepare to acquire an image, and when the pressure value signal remains unchanged for a predetermined time, the control is performed.
  • the camera module 53 starts acquiring images, and when the pressure value signal is lower than the startup threshold, the camera module 53 is controlled to stop acquiring images;
  • the camera module 53 is configured to acquire an image under the control of the processor 52, and send the obtained image to the memory 54;
  • the memory 54 is used to store the obtained image.
  • the pressure sensing module 51 is disposed in a screen, a fingerprint sensor or a button of the mobile terminal.
  • the pressure value signal is acquired by the pressure sensing module 51, and the processor 52 controls whether the image capturing module 53 performs image acquisition and the number of image acquisitions per unit time according to the magnitude of the pressure value signal, and changes in real time.
  • the effect of the number of images acquired per unit time thus realizing the effect of changing the photographing and video speed in real time.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device implementations described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (ROM, Read-Only) Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.

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Abstract

本发明公开了一种基于压力传感的图像获取系统、方法及移动终端。该方法包括：获取压力值信号；当压力值信号达到启动阈值时，准备获取图像；若压力值信号在预定时间内保持不变，则开始获取图像；当压力值信号低于启动阈值时，停止获取图像；其中，单位时间内的获取图像数目正相关于所述压力值信号。本发明通过获取压力值信号，并且根据压力值信号的大小来控制是否进行图像获取以及单位时间内图像获取的数目的多少，能够实时改变拍照、视频速度。

Description

一种基于压力传感的图像获取系统、方法及移动终端
【技术领域】
本发明涉及压力传感技术领域，尤其是一种基于压力传感的图像获取系统、方法及移动终端。
【背景技术】
快速连拍和快慢动作视频都是在有限时间内增加或减少了拍摄的照片数和视频帧数。但是目前，单位时间内的照片数或者帧数都是提前设定好的，用户在操作时不可以根据场景来动态地改变。
【发明内容】
本发明主要解决的技术问题是提供一种基于压力传感的图像获取系统、方法及移动终端，能够实时改变拍照、视频速度。
为解决上述技术问题，本发明提供了一种基于压力传感的图像获取系统，其中，包括压力获取模块，用于获取压力值信号；
图像准备模块，用于当压力值信号达到启动阈值时，准备获取图像；
图像获取模块，用于在准备获取图像后且压力值信号在预定时间内保持不变时，开始获取图像，其中，单位时间内的获取图像数目正相关于所述压力值信号；
停止获取模块，用于当压力值信号低于启动阈值时，停止获取图像；
其中，图像准备模块判断压力值信号是否不小于启动阈值，若压力值信号小于启动阈值，则压力获取模块继续获取压力信号，若压力值信号不小于启动阈值，则图像准备模块准备获取图像，并提示当前压力值信号对应的单位时间内获取图像的数目。
其中，图像获取模块判断若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值；若压力值信号在预定时间之内没有发生变化，按照当前压力值对应的单位时间内获取图像数目开始获取图像。
其中，图像获取模块判断若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值包括：图像获取模块判断若变化后的压力值信号小于启动阈值，则返回压力获取模块继续获取压力值信号；若变化后的压力值信号不小于启动阈值，则返回图像准备模块准备获取图像，并提示变化后的压力值信号对应的单位时间内的获取图像的数目。
其中，停止获取模块在压力值信号低于启动阈值时，停止获取图像包括：图像获取模块在开始获取图像之后，判断压力值信号是否发生变化，若压力值信号没有发生变化则继续获取图像；若压力值信号发生变化，则通过停止获取模块停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值。
其中，图像获取模块判断若所述压力值信号发生变化，则通过停止获取模块停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值包括：图像获取模块通过停止获取模块停止获取图像，若变化后的压力值信号不大于启动阈值，返回压力获取模块继续获取压力值信号；若变化后的压力值信号大于启动阈值，返回准备获取图像，并提示变化后的压力值信号对应的单位时间内的图像获取数目。
为了解决上述问题，本发明还提供了一种基于压力传感的图像获取方法，其中，包括：
获取压力值信号；
当压力值信号达到启动阈值时，准备获取图像；
在准备获取图像后且压力值信号在预定时间内保持不变时，开始获取图像，其中，单位时间内的获取图像数目正相关于压力值信号；
当压力值信号低于启动阈值时，停止获取图像。
其中，当压力值信号达到启动阈值时，准备获取图像具体包括：判断所述压力值信号是否不小于启动阈值，若压力值信号小于启动阈值，则继续获取压力信号，若压力值信号不小于启动阈值，则准备获取图像，并提示当前压力值信号对应的单位时间内获取图像的数目。
其中，在准备获取图像后且压力值信号在预定时间内保持不变时，开始获取图像包括：若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值；若压力值信号在预定时间之内没有发生变化，按照当前压力值对应的单位时间内获取图像数目开始获取图像。
其中，若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值包括：若变化后的压力值信号小于启动阈值，则返回继续获取压力值信号；若变化后的压力值信号不小于启动阈值，则返回准备获取图像，并提示变化后的压力值信号对应的单位时间内的获取图像的数目。
其中，当压力值信号低于启动阈值时，停止获取图像包括：在开始获取图像之后，判断压力值信号是否发生变化，若压力值信号没有发生变化则继续获取图像；若压力值信号发生变化，则停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值。
其中，若压力值信号发生变化，则停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值包括：停止获取图像，若变化后的压力值信号不大于启动阈值，返回继续获取压力值信号；若变化后的压力值信号大于启动阈值，返回准备获取图像，并提示变化后的压力值信号对应的单位时间内的图像获取数目。
其中，单位时间内获取图像数目正相关于压力值信号包括：单位时间内获取图像数目N=INT(c*F)；
其中，c是比例系数，F是所述压力值信号，INT()是取整操作。
其中，单位时间内获取图像数目的最大值Nmax=INT(c*Fmax)，其中Fmax是最大允许压力值，通过合理设置c，以使得Nmax是允许的单位时间内获取图像数目最大值。
为了解决上述问题，本发明还提供了一种移动终端，其中，
包括压力传感模块、处理器以及摄像模组；
压力传感模块用于获取压力值信号，并将压力值信号发送给处理器；
处理器用于接收压力值信号，并在压力值信号达到启动阈值时，控制摄像模组准备获取图像，当压力值信号在预定时间内保持不变，则控制摄像模组开始获取图像，当压力值信号低于启动阈值时，控制摄像模组停止获取图像；
摄像模组用于在处理器的控制下获取图像；
其中，单位时间内的获取图像数目正相关于压力值信号，压力传感模块设置于移动终端的屏幕或者按键中。
其中，处理器判断压力值信号是否不小于启动阈值，若压力值信号小于启动阈值，则控制压力传感模块继续获取压力信号，若压力值信号不小于启动阈值，则控制摄像模组准备获取图像，并提示当前压力值信号对应的单位时间内获取图像的数目。
其中，处理器判断若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值；若压力值信号在预定时间之内没有发生变化，按照当前压力值对应的单位时间内获取图像数目控制摄像模组开始获取图像。
其中，处理器判断若压力值信号在预定时间之内发生变化，则继续判断变化后的压力值信号是否不小于启动阈值包括：移动终端判断若变化后的压力值信号小于启动阈值，则控制压力传感模块继续获取压力值信号；若变化后的压力值信号不小于启动阈值，则控制摄像模组准备获取图像，并提示变化后的压力值信号对应的单位时间内的获取图像的数目。
其中，处理器在压力值信号低于启动阈值时，控制摄像模组停止获取图像包括：处理器在开始获取图像之后，判断压力值信号是否发生变化，若压力值信号没有发生变化则继续获取图像；若压力值信号发生变化，则控制摄像模组停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值。
其中，处理器判断若压力值信号发生变化，则控制摄像模组停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值包括：处理器控制摄像模组停止获取图像，若变化后的压力值信号不大于启动阈值，控制压力传感模块继续获取压力值信号；若变化后的压力值信号大于启动阈值，返回准备获取图像，并提示变化后的压力值信号对应的单位时间内的图像获取数目。
本发明的有益效果是：区别于现有技术的情况，本发明基于压力传感的图像获取系统、方法及移动终端，通过获取压力值信号，并且根据压力值信号的大小来控制是否进行图像获取以及单位时间内图像获取的数目的多少，从而实现了实时改变拍照、视频速度的效果。
【附图说明】
图1是本发明基于压力传感的图像获取方法第一实施例的流程示意图；
图2是本发明基于压力传感的图像获取方法第二实施例的流程示意图；
图3本发明基于压力传感的图像获取方法第三实施例的流程示意图；
图4是本发明基于压力传感的图像获取系统一个实施例的结构示意图；
图5是本发明移动终端一个实施例的结构示意图。
【具体实施方式】
如图1所示，本发明基于压力传感的图像获取方法第一实施例包括：
S110，获取压力值信号；用户使用手指或者其他按压带有压力传感功能的屏幕、指纹传感器或者按键施加压力，移动终端通过压力传感单元获取压力值信号；
S120，当压力值信号达到启动阈值时，准备获取图像；启动阈值是指能够启动移动终端图像获取功能的最小压力值，比如10、5N等，用户可以自身力量的大小来设定启动阈值，准备获取图像是指移动终端打开自身的摄像模组，摄像模组根据被获取图像的物体的远近调整焦距；
S130，若压力值信号在预定时间内保持不变，则开始获取图像；预定时间是指维持压力值信号不变的最短时间，例如3、2、1秒等，在这里的保持不变其实是指压力值信号在一个很小的范围内波动，例如压力值是15、20、25N，只要在15±0.2N、20±0.2N、25±0.2N内变化既可以认为是保持不变；其中，单位时间内的获取图像数目正相关于压力值信号；
S140，当压力值信号低于启动阈值时，停止获取图像；
通过上述实施例的实施，通过获取压力值信号，并且根据压力值信号的大小来控制是否进行图像获取以及单位时间内图像获取的数目的多少，实现了实时改变单位时间内图像获取数目的效果。
由于人类眼睛的特殊生理结构如果所看到的画面显示的速度在29.97/s的时候，就会认为是连贯的。所以在本实施例中，可以通过改变单位时间内的获取图像数目与压力值信号的对应关系，来实现快速连拍和快慢动作视频速度，即当单位时间内图像获取数目小于29.97/s时可以用于快速连拍，当单位时间内图像获取数目大于29.97/s时可以用于快慢动作视频拍摄。
如图2所示，本发明基于压力传感的图像获取方法第二实施例包括，
S210，获取压力值信号；用户使用手指或者其他按压带有压力传感功能的屏幕、指纹传感器或者按键施加压力，移动终端通过压力传感单元获取压力值信号；
S220，判断压力值信号是否不小于启动阈值；启动阈值是指能够启动移动终端图像获取功能的最小压力值，比如10、5N，用户可以自身力量的大小来设定启动阈值，准备获取图像是指移动终端打开自身的摄像模组，摄像模组根据被获取图像的物体的远近调整焦距；
S221，若压力值信号小于启动阈值，则返回S210，继续获取压力值信号；
S222，若压力值信号不小于启动阈值，则准备获取图像，并提示压力值信号对应的单位时间内获取图像的数目；获取图像的数目可以数字显示的方式在移动终端的显示屏上显示出来，也可以通过语音播报来提示；
S230，判断压力值信号在预定时间之内是否发生变化；预定时间是指维持压力值信号不变的最短时间，例如3、2、1秒，在这里的保持不变其实是指压力值信号在一个很小的范围内波动，例如压力值是15N，只要在15±0.2N内变化既可以认为是保持不变；其中，单位时间内的获取图像数目正相关于压力值信号；
S231，若压力值信号在预定时间之内发生变化，返回上S220，继续判断若变化后的压力值信号是否不小于启动阈值；
若变化后的压力值信号小于启动阈值，则返回S210继续获取压力值信号；若变化后的压力值信号不小于所述启动阈值，执行S222准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的获取图像的数目。
S232，若压力值在预定时间之内保持不变，则按照当前压力值对应的单位时间内获取图像数目开始获取图像；例如，压力值为15、20、25N的的信号在3秒2秒或者1秒内保持在15±0.2N、20±0.2N、25±0.2N之内波动，则按照压力值信号对应的图像获取速度，进行图像获取，例如每秒获取15张图像；
移动终端可以根据图像获取速度的不同，分为快速连拍和快慢动作视频速度模式，即当单位时间内图像获取数目小于29.97/s(大于启动阈值所对应的单位时间内图像获取数目）时可以工作于快速连拍模式，当单位时间内图像获取数目大于29.97/s（但是不大于移动终端所能允许的单位时间内获取图像数目最大值）时可以工作于快慢动作视频拍摄模式。
S240，当开始获取图像之后，判断压力值信号是否发生变化；
S241，若压力值信号没有发生变化则继续获取图像；
S242，若压力值信号发生变化，则停止获取图像，并继续判断变化后的压力值信号是否不小于启动阈值；
S2421，若变化后的压力值信号小于启动阈值，则返回S210，重新获取压力值信号；
S2422若变化后的压力值信号不小于启动阈值，则返回S222，准备获取图像，并提示变化后的压力值信号对应的单位时间内的图像获取数目。
其中，单位时间内获取图像数目和压力值信号的关系是：单位时间内获取图像数目N =INT( c*F)，c是比例系数，F是压力值信号，INT()是取整操作，单位时间内获取图像数目的最大值Nmax =INT( c* Fmax), Fmax是最大允许压力值，通过合理设置c，以使得Nmax是允许的单位时间内获取图像数目最大值。
如图3所示，本发明基于压力传感的图像获取方法第三实施例，不同于本发明第一实施例，
S310，获取压力值信号；用户使用手指或者其他按压带有压力传感功能的屏幕、指纹传感器或者按键施加压力，移动终端通过压力传感单元获取压力值信号；
S320，判断压力值信号是否不小于启动阈值；启动阈值是指能够启动移动终端图像获取功能的最小压力值，比如10、5N，用户可以自身力量的大小来设定启动阈值，准备获取图像是指移动终端打开自身的摄像模组，摄像模组根据被获取图像的物体的远近调整焦距；
S321，若压力值信号小于启动阈值，则返回S310继续获取压力值信号；
S322，若压力值信号不小于启动阈值，则准备获取图像，并提示压力值信号对应的单位时间内获取图像的数目；获取图像的数目可以数字显示的方式在移动终端的显示屏上显示出来，也可以通过语音播报来提示；
S330，用户通过另外的手指或其他作出敲击或者其他预设的动作来确认是否使用当前压力值信号所对应的单位时间内获取图像的数目；例如，用手指两次敲击来确认使用当前压力值信号所对应的单位时间内获取图像的数目，三次敲击则取消，其他预设动作如在屏幕上画出打钩的手势用于确认，打叉的手势用于取消。
S331，若确认使用当前压力值信号所对应的单位时间内获取图像的数目，则按照当前压力值对应的单位时间内获取图像数目开始获取图像；例如，压力值为15N的的信号在两次敲击确认后，锁定在每秒15张图像进行获取图像；
S332，若取消使用当前压力值信号所对应的单位时间内获取图像的数目，则返回S310，继续获取压力值信号;例如，压力值为15N的的信号三次敲击取消后，返回S310;
S340，在开始进行图像获取之后，可以通过另外的手指或其他作出敲击或者其他预设的动作来确认停止获取图像；例如三次敲击取消或者打叉取消。
该实施例中，通过另外的手指或其他工具作出敲击或者其他预设的动作来锁定或者取消获取图像，使用户可以不用一直按压屏幕、指纹传感器或者按键，给用户的使用带来了方便。
如图4所示，本发明基于压力传感的图像获取系统一个实施例包括，
压力获取模块41，用于获取压力值信号；图像准备模块42，用于当压力值信号达到启动阈值时，准备获取图像；图像获取模块43，用于在准备获取图像后且压力值信号在预定时间内保持不变时，开始获取图像，其中，单位时间内的获取图像数目正相关于所述压力值信号；停止获取模块44，用于当所述压力值信号低于所述启动阈值时，停止获取图像。
通过上述实施例的实施，压力获取模块41获取压力值信号，图像准备模块42根据压力值信号的大小来控制是否进行图像获取以及图像获取模块43控制单位时间内图像获取的数目的多少，实现了实时改变单位时间内图像获取数目的效果。
如图5所示，本发明移动终端一个实施例中，包括压力传感模块51、处理器52、摄像模组53及存储器54。
压力传感模块51用于获取压力值信号，并将压力值信号发送给处理器52；
处理器52用于接收压力传感模块51发送的压力值信号，并在压力值信号达到启动阈值时，控制摄像模组53准备获取图像，当压力值信号在预定时间内保持不变，则控制摄像模组53开始获取图像，当压力值信号低于启动阈值时，控制摄像模组53停止获取图像；
摄像模组53用于在处理器52的控制下获取图像，并且将获得的图像发送给存储器54；
存储器54用于存储获得的图像。
其中，单位时间内的获取图像数目正相关于压力值信号；其中，单位时间内获取图像数目正相关于压力值信号包括：单位时间内获取图像数目N =INT( c*F)；其中，c是比例系数，F是压力值信号，INT()是取整操作；单位时间内获取图像数目的最大值Nmax =INT( c* Fmax), 其中Fmax是压力传感模块最大允许压力值，通过合理设置c，以使得Nmax是摄像模组允许的单位时间内获取图像数目最大值。
其中，压力传感模块51设置于移动终端的屏幕、指纹传感器或者按键中。
通过上述实施例的实施，通过压力传感模块51获取压力值信号，处理器52根据压力值信号的大小来控制摄像模组53是否进行图像获取以及单位时间内图像获取的数目的多少，实时改变单位时间内图像获取数目的效果，从而实现了实时改变拍照、视频速度的效果。
在本发明所提供的几个实施方式中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施方式仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施方式方案的目的。
另外，在本发明各个实施方式中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备（可以是个人计算机，服务器，或者网络设备等）或处理器（processor）执行本发明各个实施方式所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器（ROM，Read-Only Memory）、随机存取存储器（RAM，Random Access Memory）、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述仅为本发明的实施方式，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。

Claims (19)

  1. 一种基于压力传感的图像获取系统，其中，
    包括压力获取模块，用于获取压力值信号；
    图像准备模块，用于当所述压力值信号达到启动阈值时，准备获取图像；
    图像获取模块，用于在准备获取图像后且所述压力值信号在预定时间内保持不变时，开始获取图像，其中，单位时间内的获取图像数目正相关于所述压力值信号；
    停止获取模块，用于当所述压力值信号低于所述启动阈值时，停止获取图像；
    其中，所述图像准备模块判断所述压力值信号是否不小于启动阈值，若所述压力值信号小于所述启动阈值，则所述压力获取模块继续获取压力信号，若所述压力值信号不小于所述启动阈值，则所述图像准备模块准备获取图像，并提示当前所述压力值信号对应的单位时间内获取图像的数目。
  2. 根据权利要求1所述的基于压力传感的图像获取系统，其中，
    所述图像获取模块判断若所述压力值信号在预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值；若所述压力值信号在预定时间之内没有发生变化，按照当前所述压力值对应的单位时间内获取图像数目开始获取图像。
  3. 根据权利要求2所述的基于压力传感的图像获取系统，其中，
    所述图像获取模块判断若所述压力值信号在所述预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：所述图像获取模块判断若变化后的所述压力值信号小于所述启动阈值，则返回所述压力获取模块继续获取所述压力值信号；若变化后的所述压力值信号不小于所述启动阈值，则返回所述图像准备模块准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的获取图像的数目。
  4. 根据权利要求1所述的基于压力传感的图像获取系统，其中，
    所述停止获取模块在所述压力值信号低于所述启动阈值时，停止获取图像包括：所述图像获取模块在开始获取图像之后，判断所述压力值信号是否发生变化，若所述压力值信号没有发生变化则继续获取图像；若所述压力值信号发生变化，则通过所述停止获取模块停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值。
  5. 根据权利要求4所述的基于压力传感的图像获取系统，其中，
    所述图像获取模块判断若所述压力值信号发生变化，则通过所述停止获取模块停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：所述图像获取模块通过所述停止获取模块停止获取图像，若变化后的所述压力值信号不大于所述启动阈值，返回所述压力获取模块继续获取所述压力值信号；若变化后的所述压力值信号大于所述启动阈值，返回准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的图像获取数目。
  6. 一种基于压力传感的图像获取方法，其中，包括：
    获取压力值信号；
    当所述压力值信号达到启动阈值时，准备获取图像；
    在准备获取图像后且所述压力值信号在预定时间内保持不变时，开始获取图像，其中，单位时间内的获取图像数目正相关于所述压力值信号；
    当所述压力值信号低于所述启动阈值时，停止获取图像。
  7. 根据权利要求6所述的基于压力传感的图像获取方法，其中，
    当所述压力值信号达到启动阈值时，准备获取图像具体包括：判断所述压力值信号是否不小于启动阈值，若所述压力值信号小于所述启动阈值，则继续获取压力信号，若所述压力值信号不小于所述启动阈值，则准备获取图像，并提示当前所述压力值信号对应的单位时间内获取图像的数目。
  8. 根据权利要求6所述的基于压力传感的图像获取方法，其中，
    在准备获取图像后且所述压力值信号在预定时间内保持不变时，开始获取图像包括：若所述压力值信号在预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值；若所述压力值信号在预定时间之内没有发生变化，按照当前所述压力值对应的单位时间内获取图像数目开始获取图像。
  9. 根据权利要求8所述的基于压力传感的图像获取方法，其中，
    若所述压力值信号在所述预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：若变化后的所述压力值信号小于所述启动阈值，则返回继续获取所述压力值信号；若变化后的所述压力值信号不小于所述启动阈值，则返回准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的获取图像的数目。
  10. 根据权利要求6所述的基于压力传感的图像获取方法，其中，
    当所述压力值信号低于所述启动阈值时，停止获取图像包括：在开始获取图像之后，判断所述压力值信号是否发生变化，若所述压力值信号没有发生变化则继续获取图像；若所述压力值信号发生变化，则停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值。
  11. 根据权利要求10所述的基于压力传感的图像获取方法，其中，
    若所述压力值信号发生变化，则停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：停止获取图像，若变化后的所述压力值信号不大于所述启动阈值，返回继续获取所述压力值信号；若变化后的所述压力值信号大于所述启动阈值，返回准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的图像获取数目。
  12. 根据权利要求6所述的基于压力传感的图像获取方法，其中，
    单位时间内获取图像数目正相关于所述压力值信号包括：单位时间内获取图像数目N=INT(c*F)；
    其中，c是比例系数，F是所述压力值信号，INT()是取整操作。
  13. 根据权利要求12所述的基于压力传感的图像获取方法，其中，
    所述单位时间内获取图像数目的最大值Nmax=INT(c*Fmax)，其中Fmax是最大允许压力值，通过合理设置c，以使得Nmax是允许的单位时间内获取图像数目最大值。
  14. 一种移动终端，其中，
    包括压力传感模块、处理器以及摄像模组；
    所述压力传感模块用于获取压力值信号，并将所述压力值信号发送给所述处理器；
    所述处理器用于接收所述压力值信号，并在所述压力值信号达到启动阈值时，控制所述摄像模组准备获取图像，当所述压力值信号在预定时间内保持不变，则控制所述摄像模组开始获取图像，当所述压力值信号低于所述启动阈值时，控制所述摄像模组停止获取图像；
    所述摄像模组用于在所述处理器的控制下获取图像；
    其中，单位时间内的获取图像数目正相关于所述压力值信号，所述压力传感模块设置于所述移动终端的屏幕或者按键中。
  15. 根据权利要求14所述的移动终端，其中，
    所述处理器判断所述压力值信号是否不小于启动阈值，若所述压力值信号小于所述启动阈值，则控制所述压力传感模块继续获取压力信号，若所述压力值信号不小于所述启动阈值，则控制所述摄像模组准备获取图像，并提示当前所述压力值信号对应的单位时间内获取图像的数目。
  16. 根据权利要求14所述的移动终端，其中，
    所述处理器判断若所述压力值信号在预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值；若所述压力值信号在预定时间之内没有发生变化，按照当前所述压力值对应的单位时间内获取图像数目控制所述摄像模组开始获取图像。
  17. 根据权利要求16所述的移动终端，其中，
    所述处理器判断若所述压力值信号在所述预定时间之内发生变化，则继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：所述移动终端判断若变化后的所述压力值信号小于所述启动阈值，则控制所述压力传感模块继续获取所述压力值信号；若变化后的所述压力值信号不小于所述启动阈值，则控制所述摄像模组准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的获取图像的数目。
  18. 根据权利要求14所述的移动终端，其中，
    所述处理器在所述压力值信号低于所述启动阈值时，控制所述摄像模组停止获取图像包括：所述处理器在开始获取图像之后，判断所述压力值信号是否发生变化，若所述压力值信号没有发生变化则继续获取图像；若所述压力值信号发生变化，则控制所述摄像模组停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值。
  19. 根据权利要求18所述的移动终端，其中，
    所述处理器判断若所述压力值信号发生变化，则控制所述摄像模组停止获取图像，并继续判断变化后的所述压力值信号是否不小于所述启动阈值包括：所述处理器控制所述摄像模组停止获取图像，若变化后的所述压力值信号不大于所述启动阈值，控制所述压力传感模块继续获取所述压力值信号；若变化后的所述压力值信号大于所述启动阈值，返回准备获取图像，并提示变化后的所述压力值信号对应的单位时间内的图像获取数目。
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