WO2016188354A1 - 摄像头变焦方法、装置及终端 - Google Patents

摄像头变焦方法、装置及终端 Download PDF

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Publication number
WO2016188354A1
WO2016188354A1 PCT/CN2016/082519 CN2016082519W WO2016188354A1 WO 2016188354 A1 WO2016188354 A1 WO 2016188354A1 CN 2016082519 W CN2016082519 W CN 2016082519W WO 2016188354 A1 WO2016188354 A1 WO 2016188354A1
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Prior art keywords
pressure value
pressing force
determining
change trend
camera
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PCT/CN2016/082519
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English (en)
French (fr)
Inventor
丁乐乐
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中兴通讯股份有限公司
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Publication of WO2016188354A1 publication Critical patent/WO2016188354A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/69—Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Definitions

  • This application relates to, but is not limited to, the field of communications.
  • the digital zoom of the camera is one of the key factors to ensure a clear picture or video. Therefore, the digital zoom control of the camera (ie, the zoom control of the camera, also referred to as zoom) is necessary during the photo or video process. An indispensable step.
  • zoom control methods for example, by using the terminal's volume key for zoom control, or the camera's control menu, using the corresponding control options on the control menu for zoom control.
  • the volume key of the terminal has a certain life span (that is, the number of times that can be pressed is limited, once pressed, the volume key will wear once), frequent pressing of the volume key will reduce the life of the volume key and reduce the user experience.
  • large-screen terminals for example, mobile phones
  • the present invention provides a camera zoom method, apparatus, and terminal to at least solve the problem in the related art that the zooming of the camera with one hand cannot be achieved, and the user experience is low in the zooming operation.
  • a camera zoom method includes: determining a trend of a pressing force of a pressing pressure screen; and taking a zoom mode corresponding to the changing trend Zoom like the head.
  • determining a change trend of the pressing force pressing the pressure screen comprises: acquiring a pressure value of the pressing force according to a first time interval; comparing a pressure value obtained afterwards with an adjacent previously acquired pressure value The magnitude of the value; when the comparison result is that the ratio of the pressure value acquired later than the adjacent previously acquired pressure value exceeds the first predetermined ratio, determining that the change trend of the pressing force becomes smaller; and/or, When the comparison result is that the ratio of the pressure value acquired later than the adjacent previously acquired pressure value exceeds the second predetermined ratio, it is determined that the change tendency of the pressing force becomes larger.
  • determining a change trend of the pressing force pressing the pressure screen comprises: acquiring a pressure value of the pressing force according to a second time interval; determining that a pressure value that first exceeds the first pressure value is a reference pressure value; Comparing all pressure values acquired within a predetermined time after acquiring the reference pressure value with the reference pressure value; when the predetermined time period is less than the third, the ratio of the pressure values obtained is less than the third Determining, when the predetermined ratio is, the change trend of the pressing force becomes smaller; and/or determining that the pressing value ratio greater than the reference pressure value acquired in the predetermined time exceeds a fourth predetermined ratio The trend of pressure is getting bigger.
  • the method further includes: after determining that the zoom operation on the camera is completed, performing a reminder.
  • the reminding includes at least one of the following: using a voice broadcast to remind, using a text display to remind, using a flashing light to remind, and using a vibration to remind.
  • a camera zoom apparatus includes: a determining module configured to: determine a trend of a pressing force of a pressing pressure screen; and a processing module configured to: correspond to the change trend Zoom mode zooms the camera.
  • the determining module includes: a first acquiring unit, configured to: acquire a pressure value of the pressing force according to a first time interval; and the first comparing unit is configured to: compare the pressure value acquired later with the adjacent The size of the previously acquired pressure value; the first determining unit is configured to: when the comparison result is that the pressure value acquired later is smaller than the adjacent previously acquired pressure value by more than the first predetermined ratio, The change trend of the pressing force is reduced; and/or the second determining unit is set to: when the comparison result is that the pressure value acquired later is greater than the adjacent previously obtained pressure value by more than the second predetermined ratio At the time, it is determined that the change tendency of the pressing force is increased.
  • the determining module includes: a second acquiring unit, configured to: acquire a pressure value of the pressing force according to a second time interval; and a third determining unit configured to: determine a pressure that first exceeds the first pressure value The value is a reference pressure value; the second comparison unit is configured to: compare all pressure values acquired within a predetermined time after acquiring the reference pressure value with the reference pressure value; and the fourth determining unit is configured to: Determining that the change trend of the pressing force becomes smaller when the ratio of the pressure value acquired less than the reference pressure value in the predetermined time exceeds a third predetermined ratio; and/or the fifth determining unit is set to: When the ratio of the pressure values greater than the reference pressure value acquired within the predetermined time exceeds the fourth predetermined ratio, it is determined that the change trend of the pressing force is increased.
  • the device further includes: a reminding module, configured to: after the zooming mode of the camera is zoomed according to the zoom mode corresponding to the change trend, determine that the zoom operation of the camera is completed, and then alert.
  • a reminding module configured to: after the zooming mode of the camera is zoomed according to the zoom mode corresponding to the change trend, determine that the zoom operation of the camera is completed, and then alert.
  • a terminal comprising the camera zoom device of any of the above.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above is provided.
  • a change trend of the pressing force of the pressing pressure screen is determined; and the camera is zoomed according to the zoom mode corresponding to the changing trend.
  • the invention solves the problem that the zooming of the camera with one hand and the low user experience in the zooming operation exist in the related art, thereby achieving the effect of zooming the camera with one hand and improving the user experience.
  • FIG. 1 is a flow chart of a camera zoom method according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a mobile phone according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of operations in a data processing module according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of time sensitivity setting according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of A value sensitivity setting according to an embodiment of the present invention.
  • FIG. 7 is a block diagram showing the structure of a camera zoom device according to an embodiment of the present invention.
  • FIG. 8 is a block diagram 1 of a structure of a determining module 72 in a camera zoom device according to an embodiment of the invention.
  • FIG. 9 is a second structural block diagram of a determining module 72 in a camera zoom device according to an embodiment of the invention.
  • FIG. 10 is a block diagram showing an optional structure of a camera zoom device according to an embodiment of the present invention.
  • FIG. 11 is a block diagram showing the structure of a terminal according to an embodiment of the present invention.
  • the pressure screen on the terminal is relatively popular, and the use of the pressure screen is a trend in the future development of the terminal.
  • a lot of functions can be realized by using the data transmitted through the touch pressure screen.
  • the function of the pressure screen can be used to perform digital zoom control of the camera.
  • an embodiment of the present invention will be described by taking a zoom control of a camera using a pressure screen as an example.
  • FIG. 1 is a flowchart of a camera zooming method according to an embodiment of the present invention. As shown in FIG. 1, the flow includes the following steps:
  • Step S102 determining a change trend of the pressing force of pressing the pressure screen
  • Step S104 zooming the camera according to the zoom mode corresponding to the change trend.
  • the pressure screen may be a touch screen of the terminal (which may be a partial touch screen or an entire touch screen), or the pressure screen may be disposed at other positions of the terminal, such as the back, side or front frame of the terminal.
  • the size and shape of the pressure screen can be set freely.
  • the camera can be zoomed according to the pressing force of the pressing pressure screen, and the position of the pressure screen can be located at a position where the thumb or the index finger is easy to touch when the single handheld device is located, so that one-hand operation can be effectively performed.
  • the invention solves the problem that the zooming of the camera with one hand and the low user experience in the zooming operation exist in the related art, thereby achieving the effect of zooming the camera with one hand and improving the user experience.
  • the correspondence relationship between the change trend of the pressing force and the zoom mode in the zoom control may be pre-configured, for example, when the change trend of the pressing force is gradually increased, the amplification control is performed; when the pressing force changes, the trend is When it is gradually reduced, the reduction control is performed.
  • it may be set to perform amplification control when the change trend of the pressing force is gradually decreased; when the pressing force of the pressing force is increased as the main key, the reduction control is performed.
  • the speed at which the pressing force changes can correspond to the speed of the zoom control. These can be set according to the user's preferences.
  • the change trend of the pressing force pressing the pressure screen can be determined in various ways.
  • the change trend of the pressing force can be determined as follows:
  • the first predetermined ratio is usually greater than 50%
  • the comparison result is obtained later than the first obtained pressure value, and the change trend of the above pressing force is determined to be smaller; a portion (ie, exceeding a second predetermined ratio as described above, the second predetermined ratio may be set according to requirements of accuracy, for example, set to 70%, 80%, and the second predetermined ratio is usually greater than 50%)
  • the first predetermined ratio and the second predetermined ratio may be the same or different, and may be set according to actual needs.
  • the change trend of the pressing force may be determined in the following manner: the pressure value of the pressing force is obtained according to the second time interval; and the first pressure is determined to be exceeded first.
  • the pressure value of the force value is a reference pressure value; all pressure values acquired within a predetermined time after obtaining the above-mentioned reference pressure value are compared with the reference pressure value; when the predetermined time value is less than the reference pressure value obtained within the predetermined time When the pressure value ratio exceeds the third predetermined ratio, determining that the change trend of the pressing force is smaller; and/or, when the ratio of the pressure value greater than the reference pressure value acquired within the predetermined time period exceeds the fourth predetermined ratio, determining The above trend of the pressing force is becoming larger.
  • the pressure value acquired within the predetermined time is compared with the reference pressure value, and most of the time is acquired during the predetermined time (ie, the third predetermined ratio is exceeded, the third predetermined
  • the ratio can be set according to the accuracy requirement, for example, set to 70%, 80%, the third predetermined ratio is usually greater than 50%) the pressure value is smaller than the reference pressure value, and the change trend of the pressing force is determined to be smaller;
  • Most of the time acquired within a predetermined time ie, exceeding the fourth predetermined ratio described above, the fourth predetermined ratio may be set according to the accuracy requirement, for example, set to 70%, 80%, and the fourth predetermined ratio is usually greater than 50%.
  • the third predetermined ratio and the fourth predetermined ratio may be the same or different, and may be set according to actual needs.
  • the method further includes: after determining that the zoom operation on the camera is completed, performing a reminder, for example, Make a motor vibration (or sound reminder, or text reminder, or flash reminder, etc.) during a zoom control to remind the user that the operation was successful.
  • a reminder for example, Make a motor vibration (or sound reminder, or text reminder, or flash reminder, etc.) during a zoom control to remind the user that the operation was successful.
  • reminding there may be multiple reminding methods, such as using a voice broadcast to remind, using a text display to remind, using a flashing light to remind, using vibration.
  • the method is reminded, wherein the above reminding manners can be used in combination, for example, the way of flashing and vibrating at the same time is performed, or the manner of voice broadcast and vibration is simultaneously performed to remind.
  • the foregoing terminal may be a mobile phone, and an embodiment of the present invention is described below by taking a mobile phone as an example.
  • the mobile phone shown in the example mainly includes a central processing unit (CPU) module 22, a pressure screen module 24, a data processing module 26, and a camera module 28.
  • the pressure screen module 24 acquires the current touch pressure value by finger touch and continuously reports the pressure value to the CPU module 22. After continuously receiving the pressure value, the CPU module 22 determines whether the pressure of the current finger touch is continuously enhanced or continuously weakened, and associates the two different states with different settings for setting the mobile phone camera zoom. Thereby, the control of the mobile phone camera ZOOM is completed by touching the pressure screen.
  • a method of controlling the zoom of the mobile phone camera through the pressure screen is described.
  • the user needs to enter the camera photographing mode before use, and the pressure screen control function needs to be turned on. After the function is turned on, the camera zoom function can be controlled by pressing the pressure screen with a finger.
  • FIG. 3 is a schematic flowchart of operations in a data processing module according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps:
  • Step S302 The pressure screen sends the pressure value received by the current pressure screen without interruption. It is transmitted to the data processing module 26 by the CPU module 22.
  • the data processing module 26 determines, by the received data, whether the pressure accepted by the pressure screen is getting larger or smaller in the current situation.
  • the method for judging is as follows: starting from the received first set of data, it is judged whether the current value exceeds a basic value A, that is, the judgment operation is started only after receiving the pressure value exceeding A.
  • step S304 the first pressure value exceeding the A value is used as the reference value B. Then pass the pressure value from a fixed time as the judgment value C. Note that C here is an array containing the values from the pressure screen during this time. Compare the values in the C array to B.
  • step S306 it is judged whether most of the data in the C array is greater than the B value, and only when most of the values exceed C, it is judged that the pressure value has a tendency to become larger, and conversely, the trend becomes smaller.
  • Change the control of the zoom by judging whether the current pressure is light or heavy.
  • most of the above refers to at least 51% of the value is greater than C, this percentage is user-definable, that is equivalent to the function of the precision module, can be defaulted to 80% (or other values), the minimum can It is 51%, and the maximum is 100%.
  • FIG. 4 is a schematic diagram of precision setting according to an embodiment of the present invention.
  • interval-fixed time refers to an interval time of data transmitted by the N-fold (1-100 times) pressure screen, which can be customized by a user, as shown in FIG. 5, and FIG. 5 is a time according to an embodiment of the present invention.
  • the data processing module will begin to formally parse the data only after the value transmitted from the pressure screen is greater than the user-defined A value.
  • the A value is equivalent to the sensitivity of the function.
  • the B value is the reference value, and the judgment process of the data processing is officially started only when the current pressure value is greater than the value.
  • FIG. 6 is a schematic diagram of the sensitivity setting of the A value according to the embodiment of the present invention. .
  • the data processing module 26 can respectively determine different flag bits E and F by determining whether the pressure becomes light or heavy after data processing, and different flag positions correspond to different control of the camera zoom, that is, reduction or enlargement.
  • the E and F flags can be defined by the user as a reduction or enlargement function.
  • the process of the camera control module processing is: the CPU transmits the flag bit to the camera module 28, and the camera module 28 receives the flag bit to define the current zoom control.
  • the user of the module can be customized. For example, it can be defined as zooming control (flag E) when the pressure is increased, and zooming down (flag F) when the pressure is small.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present application can be embodied in the form of a software product stored in a storage medium (such as a ROM/RAM, a magnetic disk, an optical disk), and includes a plurality of instructions for making one
  • the terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) performs the method described in the embodiments of the present invention.
  • a camera zooming device is further provided, which is used to implement the above-mentioned embodiments and optional embodiments, and has not been described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the devices described in the following embodiments may be implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 7 is a structural block diagram of a camera zoom device according to an embodiment of the present invention, as shown in FIG.
  • the apparatus includes a determination module 72 (corresponding to the pressure screen module 24 described above) and a processing module 74, the apparatus being described below.
  • the determining module 72 is configured to: determine a change trend of the pressing force of the pressing pressure screen; and the processing module 74 is connected to the determining module 72, and is configured to: zoom the camera according to the zoom mode corresponding to the change trend.
  • FIG. 8 is a block diagram showing a structure of a determining module 72 in a camera zooming apparatus according to an embodiment of the present invention.
  • the determining module 72 includes a first acquiring unit 82 (corresponding to the pressure screen module 24 described above), and a first Comparison unit 84 (corresponding to data processing module 26 described above) and first determination unit 86 (corresponding to data processing module 26 described above) and/or second determination unit 88 (corresponding to data processing module 26 described above).
  • the determination module 72 will be described below.
  • the first obtaining unit 82 is configured to: obtain the pressure value of the pressing force according to the first time interval; the first comparing unit 84 is connected to the first acquiring unit 82, and is configured to: compare the pressure value acquired later with the adjacent The size of the previously acquired pressure value; the first determining unit 86 is connected to the first comparing unit 84, and is configured to: when the comparison result is that the pressure value acquired later is smaller than the adjacent previously acquired pressure value When the ratio exceeds the first predetermined ratio, it is determined that the change trend of the pressing force is small; the second determining unit 88 is connected to the first comparing unit 84, and is set to: when the comparison result is the pressure value obtained after the adjacent ratio When the ratio of the previously obtained pressure value is larger than the second predetermined ratio, it is determined that the change tendency of the above pressing force becomes larger.
  • the determining module 72 includes a second acquiring unit 92 (corresponding to the pressure screen module 24 described above) and a third Determining unit 94 (corresponding to data processing module 26 described above), second comparing unit 96 (corresponding to data processing module 26 described above), and fourth determining unit 98 (corresponding to data processing module 26 described above) and/or fifth
  • the determining unit 910 (corresponding to the data processing module 26 described above), the determining module 72 will be described below.
  • the second obtaining unit 92 is configured to: obtain the pressure value of the pressing force according to the second time interval; the third determining unit 94 is connected to the second acquiring unit 92, and is configured to: determine the pressure that first exceeds the first pressure value The value is a reference pressure value; the second comparison unit 96 is connected to the third determining unit 94, and is configured to: compare all pressure values acquired within a predetermined time after acquiring the reference pressure value with a reference pressure value; Four determining unit 98, connected to the second comparison list The element 96 is configured to: when the ratio of the pressure value less than the reference pressure value acquired in the predetermined time period exceeds the third predetermined ratio, determine that the change trend of the pressing force becomes smaller; and the fifth determining unit 910 is connected to the above The second comparison unit 96 is configured to determine that the change trend of the pressing force is larger when the pressure value ratio greater than the reference pressure value acquired in the predetermined time period exceeds the fourth predetermined ratio.
  • FIG. 10 is a block diagram showing an optional structure of a camera zoom device according to an embodiment of the present invention. As shown in FIG. 10, the device includes a reminder module 102 in addition to all the modules shown in FIG. 7, and the device is described below. .
  • the reminding module 102 is connected to the processing module 74, and is configured to: after the processing module 74 zooms the camera according to the zoom mode corresponding to the change trend, determine that the zoom operation of the camera is completed, and then reminds.
  • the terminal 112 is a block diagram showing the structure of a terminal according to an embodiment of the present invention. As shown in FIG. 11, the terminal 112 includes the camera zoom device 114 of any of the above.
  • modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are respectively located in multiple processes. In the device.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • the processor performs the steps in the foregoing method embodiments according to the stored program code in the storage medium.
  • modules or steps of the embodiments of the present invention can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed either separately as an integrated circuit module, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the application is not limited to any particular combination of hardware and software.
  • a change trend of the pressing force of the pressing pressure screen is determined; and the camera is zoomed according to the zoom mode corresponding to the changing trend.
  • the invention solves the problem that the zooming of the camera with one hand and the low user experience in the zooming operation exist in the related art, thereby achieving the effect of zooming the camera with one hand and improving the user experience.

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Abstract

本文公布一种摄像头变焦方法、装置及终端，其中，该方法包括：确定按压压力屏的按压力的变化趋势；根据上述变化趋势对应的缩放模式对摄像头进行变焦。

Description

摄像头变焦方法、装置及终端 技术领域
本申请涉及但不限于通信领域。
背景技术
随着科技的发展，越来越多的终端上都配置了摄像头，而且，摄像头的配置也在逐步提高。其中，摄像头的数字变焦是保证拍摄出清晰的图片或视频的关键因素之一，因此，对摄像头进行数字变焦控制(即，摄像头的zoom控制，也可以简称为zoom)是拍照或摄像过程中必不可少的步骤。
目前，zoom控制方法有很多，例如，通过利用终端的音量键进行zoom控制，或者摄像头的控制菜单，利用控制菜单上对应的控制选项进行zoom控制。但是由于终端的音量键是有一定的寿命的(即，可以按压的次数是有限的，按压一次，音量键会磨损一次)，频繁的按压音量键会减少音量键的使用寿命，降低用户体验。并且由于现在大屏终端(例如，手机)越来越普遍，采用上述的zoom控制方式，很难实现单手操作，用户体验度也会降低。
针对相关技术中存在的无法实现单手对摄像头进行变焦，以及在变焦操作中用户体验度低的问题，目前尚未提出有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供了一种摄像头变焦方法、装置及终端，以至少解决相关技术中存在的无法实现单手对摄像头进行变焦，以及在变焦操作中用户体验度低的问题。
根据本发明实施例的一个方面，提供了一种摄像头变焦方法，包括：确定按压压力屏的按压力的变化趋势；根据所述变化趋势对应的缩放模式对摄 像头进行变焦。
可选地，确定按压所述压力屏的所述按压力的变化趋势包括：按照第一时间间隔获取所述按压力的压力值；比较在后获取的压力值与相邻的在先获取的压力值的大小；当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定所述按压力的变化趋势为变小；和/或，当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定所述按压力的变化趋势为变大。
可选地，确定按压所述压力屏的所述按压力的变化趋势包括：按照第二时间间隔获取所述按压力的压力值；确定最先超过第一压力值的压力值为基准压力值；将在获取所述基准压力值之后的预定时间内所获取的所有压力值与所述基准压力值进行比较；当所述预定时间内所获取的小于所述基准压力值的压力值比例超过第三预定比例时，确定所述按压力的变化趋势为变小；和/或，当所述预定时间内所获取的大于所述基准压力值的压力值比例超过第四预定比例时，确定所述按压力的变化趋势为变大。
可选地，在根据所述变化趋势对应的缩放模式对所述摄像头进行变焦之后，所述方法还包括：在确定对所述摄像头的变焦操作完成后，进行提醒。
可选地，进行提醒包括以下至少之一：利用语音播报的方式进行提醒、利用文字显示的方式进行提醒、利用灯光闪烁的方式进行提醒、利用震动的方式进行提醒。
根据本发明实施例的另一方面，提供了一种摄像头变焦装置，包括：确定模块，设置为：确定按压压力屏的按压力的变化趋势；处理模块，设置为：根据所述变化趋势对应的缩放模式对摄像头进行变焦。
可选地，所述确定模块包括：第一获取单元，设置为：按照第一时间间隔获取所述按压力的压力值；第一比较单元，设置为：比较在后获取的压力值与相邻的在先获取的压力值的大小；第一确定单元，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定所述按压力的变化趋势为变小；和/或，第二确定单元，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定所述按压力的变化趋势为变大。
可选地，所述确定模块包括：第二获取单元，设置为：按照第二时间间隔获取所述按压力的压力值；第三确定单元，设置为：确定最先超过第一压力值的压力值为基准压力值；第二比较单元，设置为：将在获取所述基准压力值之后的预定时间内所获取的所有压力值与所述基准压力值进行比较；第四确定单元，设置为：当所述预定时间内所获取的小于所述基准压力值的压力值比例超过第三预定比例时，确定所述按压力的变化趋势为变小；和/或，第五确定单元，设置为：当所述预定时间内所获取的大于所述基准压力值的压力值比例超过第四预定比例时，确定所述按压力的变化趋势为变大。
可选地，所述装置还包括：提醒模块，设置为：在处理模块根据所述变化趋势对应的缩放模式对所述摄像头进行变焦之后，确定对所述摄像头的变焦操作完成后，进行提醒。
根据本发明实施例的另一方面，提供了一种终端，包括上述任一项所述的摄像头变焦装置。
根据本发明实施例的另一方面，提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。
通过本发明实施例，采用确定按压压力屏的按压力的变化趋势；根据所述变化趋势对应的缩放模式对摄像头进行变焦。解决了相关技术中存在的无法实现单手对摄像头进行变焦，以及在变焦操作中用户体验度低的问题，进而达到了实现单手对摄像头进行变焦，提高用户体验的效果。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1是根据本发明实施例的摄像头变焦方法的流程图；
图2是根据本发明实施例的手机结构示意图；
图3是根据本发明实施例的数据处理模块中的操作流程示意图；
图4是根据本发明实施例的精度设定示意图；
图5是根据本发明实施例的时间灵敏度设定示意图；
图6是根据本发明实施例的A值灵敏度设定示意图；
图7是根据本发明实施例的摄像头变焦装置的结构框图；
图8是根据本发明实施例的摄像头变焦装置中确定模块72的结构框图一；
图9是根据本发明实施例的摄像头变焦装置中确定模块72的结构框图二；
图10是根据本发明实施例的摄像头变焦装置的可选结构框图；
图11是根据本发明实施例的终端的结构框图。
本发明的实施方式
下文中将参考附图并结合实施例来说明本发明的实施方式。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
目前终端上的压力屏比较盛行，压力屏的使用是终端以后发展的一个趋势。利用通过触摸压力屏传来的数据可以实现很多功能。例如，可以利用压力屏的功能，来对摄像头进行数字变焦控制。下面以利用压力屏对摄像头进行变焦控制为例对本发明实施例进行说明。
在本实施例中提供了一种摄像头变焦方法，图1是根据本发明实施例的摄像头变焦方法的流程图，如图1所示，该流程包括如下步骤：
步骤S102，确定按压压力屏的按压力的变化趋势；
步骤S104，根据上述变化趋势对应的缩放模式对摄像头进行变焦。
其中，上述的压力屏可以是终端的触摸屏(可以是部分触摸屏，也可以是整个触摸屏)，也可以将压力屏设置在终端的其他位置上，例如终端的背面、侧面或正面的边框上，该压力屏的大小以及形状可以自由设置。通过上 述步骤，可以根据按压压力屏的按压力对摄像头进行变焦，并且，该压力屏的位置可以位于单手持机时大拇指或食指容易触控到的位置，因此，可以有效的进行单手操作。解决了相关技术中存在的无法实现单手对摄像头进行变焦，以及在变焦操作中用户体验度低的问题，进而达到了实现单手对摄像头进行变焦，提高用户体验的效果。
在上述实施例中，可以预先配置按压力的变化趋势与变焦控制中的缩放模式的对应关系，例如，当按压力的变化趋势为逐渐增大时，进行放大控制；当按压力的变化趋势为逐渐减小时，进行缩小控制。或者，也可以设置为当按压力的变化趋势为逐渐减小时，进行放大控制；当按压力的变化趋势为主键增大时，进行缩小控制。并且，按压力的变化的速度和变焦控制的速度可以相对应。这些都可以根据用户的喜好进行设置。
确定按压上述压力屏的按压力的变化趋势可以有多种确定方式，在一个可选的实施例中，可以通过如下方式确定上述按压力的变化趋势：
按照第一时间间隔获取上述按压力的压力值；比较在后获取的压力值与相邻的在先获取的压力值的大小；当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定上述按压力的变化趋势为变小；和/或，当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定上述按压力的变化趋势为变大。也就是说，将按照第一时间间隔获取的压力值进行相邻压力值的两两比较，当大部分(即，超过了上述的第一预定比例，该第一预定比例可以根据精度的要求进行设置，例如设置为70％、80％，该第一预定比例通常大于50％)的比较结果都是后获取的比先获取的压力值小时，确定上述按压力的变化趋势为变小；当大部分(即，超过了上述的第二预定比例，该第二预定比例可以根据精度的要求进行设置，例如设置为70％、80％，该第二预定比例通常大于50％)的比较结果都是后获取的比先获取的压力值大时，确定上述按压力的变化趋势为变大。其中，上述的第一预定比例和第二预定比例可以是相同的，也可以是不同的，可以根据实际需要进行设置。
在另一个可选的实施例中，还可以采用如下的方式确定上述按压力的变化趋势：按照第二时间间隔获取上述按压力的压力值；确定最先超过第一压 力值的压力值为基准压力值；将在获取上述基准压力值之后的预定时间内所获取的所有压力值与该基准压力值进行比较；当该预定时间内所获取的小于上述基准压力值的压力值比例超过第三预定比例时，确定上述按压力的变化趋势为变小；和/或，当上述预定时间内所获取的大于上述基准压力值的压力值比例超过第四预定比例时，确定上述按压力的变化趋势为变大。即，在该实施例中，是将在预定时间内获取的压力值与基准压力值进行比较，当该预定时间内获取的大部分(即，超过了上述的第三预定比例，该第三预定比例可以根据精度的要求进行设置，例如设置为70％、80％，该第三预定比例通常大于50％)压力值都比基准压力值小时，确定上述按压力的变化趋势为变小；当该预定时间内获取的大部分(即，超过了上述的第四预定比例，该第四预定比例可以根据精度的要求进行设置，例如设置为70％、80％，该第四预定比例通常大于50％)压力值都比基准压力值大时，确定上述按压力的变化趋势为变大。其中，上述的第三预定比例和第四预定比例可以是相同的，也可以是不同的，可以根据实际需要进行设置。
在上述的按压力的压力值数据处理过程中是按照一次触摸之后，手指继续按压不会再做处理，当然也可以设计成手指一直按住一直进行处理，但这样的话就会导致手指挪开的时候按压力变小，有可能会导致判断出错。针对该问题，在一个可选的实施例中，在根据上述变化趋势对应的缩放模式对上述摄像头进行变焦之后，该方法还包括：在确定对摄像头的变焦操作完成后，进行提醒，例如，可以在进行一次zoom控制时做一次马达的震动(或者声音提醒，或者文字提醒，或者闪光提醒等等)，用来提示用户这一次操作成功了。
在一个可选的实施例中，在进行提醒时，可以有多种提醒方式，例如可以利用语音播报的方式进行提醒、利用文字显示的方式进行提醒、利用灯光闪烁的方式进行提醒、利用震动的方式进行提醒，其中，上述的提醒方式可以组合使用，例如，同时进行灯光闪烁和震动的方式进行提醒，或者同时进行语音播报和震动的方式进行提醒。
上述的终端可以是手机，下面以手机为例，对本发明实施例进行说明。
图2是根据本发明实施例的手机结构示意图，如图2所示，本发明实施 例中所示的手机主要包含手机的中央处理器(Central Processing Unit，简称为CPU)模块22、压力屏模块24、数据处理模块26、摄像头模块28。压力屏模块24通过手指触摸按压获取当前的触摸压力值，并不断的将该压力值上报给CPU模块22。CPU模块22不断接受到该压力值后，判断当前手指触摸的压力是不断的加强还是不断的减弱，将这两种不同的状态与设置手机摄像头zoom的不同设置关联起来。从而实现通过触摸压力屏来完成手机摄像头ZOOM的控制。
在该实施例中描述了一种通过压力屏来控制手机摄像头zoom的方法，用户在使用前需要进入摄像头拍照模式，且需要打开压力屏控制功能。该功能开启之后，通过手指按压压力屏即可以控制摄像头zoom功能。
图3是根据本发明实施例的数据处理模块中的操作流程示意图，如图3所示，包括如下步骤：
步骤S302：压力屏会不间断的发送当前压力屏接受到的压力值。通过CPU模块22传送给数据处理模块26。数据处理模块26通过接收到的数据来判断当前情况下压力屏接受的压力是变大还是在变小。其判断的方法如下所述：从接收到的第一组数据开始，判断当前的值是否超过一个基础值A，即只有接收到超过A的压力值之后才会开始判断操作。
步骤S304，以第一个超过A值的压力值作为基准值B。再通过一个固定的时间内传来的压力值作为判断值C，注意这里的C是一个数组其包含了这段时间内的压力屏传来的数值。将C数组中的数值分别于B进行对比。
步骤S306，判断C数组中的大部分数据是否大于B值，只有当大部分数值超过C时候才会判断为压力值有一个变大的趋势，相反就是变小的趋势。通过判断当前压力变轻还是变重来改变zoom的控制。其中，上述的大部分指的是至少要有51％的数值大于C，这个百分比是可以用户自定义的，即相当于功能的精度模块，可以默认为80％(或者为其他数值)，最小可以为51％，最大为100％，定义方式可参考图4，图4是根据本发明实施例的精度设定示意图。
另外，上述的间隔一固定时间指的是N倍(1-100倍)压力屏传来数据的间隔时间，用户可自定义，如图5所示，图5是根据本发明实施例的时间 灵敏度设定示意图。
在判断过程中只有当压力屏传来的数值大过用户自定义的A值之后，数据处理模块才会开始正式解析数据。A值相当于该功能的灵敏度。B值是基准值，只有当前传来的压力值大于该值时才会正式开启数据处理的判断流程。
另外，A值也是可以自定义的，其表示的就是该功能的灵敏度，用户可以自定义缩放其大小，其功能如图6所示，图6是根据本发明实施例的A值灵敏度设定示意图。
其中，数据处理模块26通过数据处理之后判断压力变轻还是变重可以分别给出不同的标志位E和F，不同的标志位对应着摄像头zoom的不同控制，即缩小还是放大。E和F标志位可以任用户定义为缩小还是放大功能。
摄像头控制模块处理的流程为：CPU将标志位传给摄像头模块28，摄像头模块28通接收的标志位来定义当前的zoom控制。该模块用户可以自定义，例如可以定义为压力变大则zoom进行放大控制(标志位E)，压力变小则经行缩小控制(标志位F)。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案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(如ROM/RAM、磁碟、光盘)中，包括多个指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明实施例所述的方法。
在本实施例中还提供了一种摄像头变焦装置，该装置用于实现上述实施例及可选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置可以以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图7是根据本发明实施例的摄像头变焦装置的结构框图，如图7所示， 该装置包括确定模块72(对应于上述的压力屏模块24)和处理模块74，下面对该装置进行说明。
确定模块72，设置为：确定按压压力屏的按压力的变化趋势；处理模块74，连接至上述确定模块72，设置为：根据上述变化趋势对应的缩放模式对摄像头进行变焦。
图8是根据本发明实施例的摄像头变焦装置中确定模块72的结构框图一，如图8所示，该确定模块72包括第一获取单元82(对应于上述的压力屏模块24)、第一比较单元84(对应于上述的数据处理模块26)以及第一确定单元86(对应于上述的数据处理模块26)和/或第二确定单元88(对应于上述的数据处理模块26)。下面对该确定模块72进行说明。
第一获取单元82，设置为：按照第一时间间隔获取上述按压力的压力值；第一比较单元84，连接至上述第一获取单元82，设置为：比较在后获取的压力值与相邻的在先获取的压力值的大小；第一确定单元86，连接至上述第一比较单元84，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定上述按压力的变化趋势为变小；第二确定单元88，连接至上述第一比较单元84，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定上述按压力的变化趋势为变大。
图9是根据本发明实施例的摄像头变焦装置中确定模块72的结构框图二，如图9所示，该确定模块72包括第二获取单元92(对应于上述的压力屏模块24)、第三确定单元94(对应于上述的数据处理模块26)、第二比较单元96(对应于上述的数据处理模块26)以及第四确定单元98(对应于上述的数据处理模块26)和/或第五确定单元910(对应于上述的数据处理模块26)，下面对该确定模块72进行说明。
第二获取单元92，设置为：按照第二时间间隔获取上述按压力的压力值；第三确定单元94，连接至上述第二获取单元92，设置为：确定最先超过第一压力值的压力值为基准压力值；第二比较单元96，连接至上述第三确定单元94，设置为：将在获取上述基准压力值之后的预定时间内所获取的所有压力值与基准压力值进行比较；第四确定单元98，连接至上述第二比较单 元96，设置为：当上述预定时间内所获取的小于上述基准压力值的压力值比例超过第三预定比例时，确定上述按压力的变化趋势为变小；第五确定单元910，连接至上述第二比较单元96，设置为：当上述预定时间内所获取的大于上述基准压力值的压力值比例超过第四预定比例时，确定上述按压力的变化趋势为变大。
图10是根据本发明实施例的摄像头变焦装置的可选结构框图，如图10所示，该装置除包括图7所示的所有模块外，还包括提醒模块102，下面对该装置进行说明。
提醒模块102，连接至上述处理模块74，设置为：在处理模块74根据上述变化趋势对应的缩放模式对摄像头进行变焦之后，确定对摄像头的变焦操作完成后，进行提醒。
图11是根据本发明实施例的终端的结构框图，如图11所示，该终端112包括上述任一项的摄像头变焦装置114。
需要说明的是，上述模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述模块分别位于多个处理器中。
本发明的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，确定按压压力屏的按压力的变化趋势；
S2，根据上述变化趋势对应的缩放模式对摄像头进行变焦。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(Read-Only Memory，简称为ROM)、随机存取存储器(Random Access Memory，简称为RAM)、移动硬盘、磁碟或者光盘等多种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行上述方法实施例中的步骤。
可选地，本实施例中的应用示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
显然，本领域的技术人员应该明白，上述的本发明实施例的模块或步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本申请不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的可选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有多种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
通过本发明实施例，采用确定按压压力屏的按压力的变化趋势；根据所述变化趋势对应的缩放模式对摄像头进行变焦。解决了相关技术中存在的无法实现单手对摄像头进行变焦，以及在变焦操作中用户体验度低的问题，进而达到了实现单手对摄像头进行变焦，提高用户体验的效果。

Claims (10)

  1. 一种摄像头变焦方法，包括：
    确定按压压力屏的按压力的变化趋势；
    根据所述变化趋势对应的缩放模式对摄像头进行变焦。
  2. 根据权利要求1所述的方法，其中，确定按压所述压力屏的所述按压力的变化趋势包括：
    按照第一时间间隔获取所述按压力的压力值；
    比较在后获取的压力值与相邻的在先获取的压力值的大小；
    当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定所述按压力的变化趋势为变小；和/或，
    当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定所述按压力的变化趋势为变大。
  3. 根据权利要求1所述的方法，其中，确定按压所述压力屏的所述按压力的变化趋势包括：
    按照第二时间间隔获取所述按压力的压力值；
    确定最先超过第一压力值的压力值为基准压力值；
    将在获取所述基准压力值之后的预定时间内所获取的所有压力值与所述基准压力值进行比较；
    当所述预定时间内所获取的小于所述基准压力值的压力值比例超过第三预定比例时，确定所述按压力的变化趋势为变小；和/或，
    当所述预定时间内所获取的大于所述基准压力值的压力值比例超过第四预定比例时，确定所述按压力的变化趋势为变大。
  4. 根据权利要求1所述的方法，其中，在根据所述变化趋势对应的缩放模式对所述摄像头进行变焦之后，所述方法还包括：
    在确定对所述摄像头的变焦操作完成后，进行提醒。
  5. 根据权利要求4所述的方法，其中，进行提醒包括以下至少之一：
    利用语音播报的方式进行提醒、利用文字显示的方式进行提醒、利用灯光闪烁的方式进行提醒、利用震动的方式进行提醒。
  6. 一种摄像头变焦装置，包括：
    确定模块，设置为：确定按压压力屏的按压力的变化趋势；
    处理模块，设置为：根据所述变化趋势对应的缩放模式对摄像头进行变焦。
  7. 根据权利要求6所述的装置，其中，所述确定模块包括：
    第一获取单元，设置为：按照第一时间间隔获取所述按压力的压力值；
    第一比较单元，设置为：比较在后获取的压力值与相邻的在先获取的压力值的大小；
    第一确定单元，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值小的比例超过第一预定比例时，确定所述按压力的变化趋势为变小；和/或，
    第二确定单元，设置为：当比较结果为在后获取的压力值比相邻的在先获取的压力值大的比例超过第二预定比例时，确定所述按压力的变化趋势为变大。
  8. 根据权利要求6所述的装置，其中，所述确定模块包括：
    第二获取单元，设置为：按照第二时间间隔获取所述按压力的压力值；
    第三确定单元，设置为：确定最先超过第一压力值的压力值为基准压力值；
    第二比较单元，设置为：将在获取所述基准压力值之后的预定时间内所获取的所有压力值与所述基准压力值进行比较；
    第四确定单元，设置为：当所述预定时间内所获取的小于所述基准压力值的压力值比例超过第三预定比例时，确定所述按压力的变化趋势为变小；和/或，
    第五确定单元，设置为：当所述预定时间内所获取的大于所述基准压力值的压力值比例超过第四预定比例时，确定所述按压力的变化趋势为变大。
  9. 根据权利要求6所述的装置，所述装置还包括：
    提醒模块，设置为：在处理模块根据所述变化趋势对应的缩放模式对所述摄像头进行变焦之后，确定对所述摄像头的变焦操作完成后，进行提醒。
  10. 一种终端，包括权利要求6至9中任一项所述的装置。
PCT/CN2016/082519 2016-02-01 2016-05-18 摄像头变焦方法、装置及终端 WO2016188354A1 (zh)

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