WO2019071442A1 - 一种变焦控制方法、装置及拍摄终端 - Google Patents

一种变焦控制方法、装置及拍摄终端 Download PDF

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Publication number
WO2019071442A1
WO2019071442A1 PCT/CN2017/105588 CN2017105588W WO2019071442A1 WO 2019071442 A1 WO2019071442 A1 WO 2019071442A1 CN 2017105588 W CN2017105588 W CN 2017105588W WO 2019071442 A1 WO2019071442 A1 WO 2019071442A1
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WO
WIPO (PCT)
Prior art keywords
zoom
photographing terminal
photographing
fingerprint information
position area
Prior art date
Application number
PCT/CN2017/105588
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English (en)
French (fr)
Inventor
梁卉卉
郭辉奇
Original Assignee
深圳传音通讯有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳传音通讯有限公司 filed Critical 深圳传音通讯有限公司
Priority to CN201780095812.0A priority Critical patent/CN111201774B/zh
Priority to PCT/CN2017/105588 priority patent/WO2019071442A1/zh
Publication of WO2019071442A1 publication Critical patent/WO2019071442A1/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

Definitions

  • the present invention relates to the field of electronic technologies, and in particular, to a zoom control method, apparatus, and photographing terminal.
  • Cameras such as mobile phones and tablets with cameras can meet the needs of users to shoot at any time and at any time.
  • the zoom of the shooting terminal is one of the key factors to ensure that the user can take clear pictures and videos. Therefore, the zoom control of the shooting terminal is an indispensable step in the photographing process.
  • the user needs to hold the shooting terminal with one hand, and the two fingers of the other hand slide on the shooting interface of the shooting terminal, and the shooting terminal recognizes two fingers on the interface. Operation, adjusting the zoom magnification of the shooting terminal according to the change in distance between the two fingers.
  • the zoom magnification is reduced, thereby expanding the framing range and reducing the framing range. The object being photographed.
  • the embodiment of the invention provides a zoom control method, a device and a photographing terminal, which can facilitate the user to quickly perform zoom control on the photographing terminal.
  • a first aspect of the embodiments of the present invention provides a zoom control method, including:
  • Zoom control is performed on the photographing terminal according to the pressing operation parameter and the zoom position area.
  • the determining a zoom position area on the shooting interface includes:
  • the area included in the zoom frame is determined as a zoom position area.
  • the pressing operation parameter includes a pressing pressure value
  • the zoom control of the photographing terminal according to the pressing operation parameter and the zoom position area includes:
  • Zoom control is performed on the photographing terminal according to the target zoom speed and the zoom position area.
  • the pressing operation parameter includes a pressing pressure value
  • the zoom control of the photographing terminal according to the pressing operation parameter and the zoom position area includes:
  • the zoom control is performed on the photographing terminal according to the preset zoom magnification threshold and the zoom position area.
  • the pressing operation parameter includes pressing fingerprint information
  • the zoom control of the photographing terminal according to the pressing operation parameter and the zoom position area includes:
  • zoom control is performed on the photographing terminal according to the pressed fingerprint information and the zoom position area.
  • performing zoom control on the photographing terminal according to the pressing the fingerprint information and the zoom position area including:
  • the zoom position area is used
  • the second zoom control is performed on the photographing terminal for the center, and the photographing terminal reduces the framing range after the second zoom control.
  • the method further includes:
  • An image captured after zoom control of the photographing terminal is acquired and displayed.
  • a second aspect of the embodiments of the present invention provides an apparatus, including:
  • the detecting unit is configured to determine whether the zoom function based on the target button in the photographing terminal is an open state when detecting that the display interface of the photographing terminal is the photographing interface.
  • a determining unit configured to determine a zoom position area on the shooting interface when the zoom function is in an on state.
  • an acquiring unit configured to detect a pressing operation on a target button of the photographing terminal, and acquire a pressing operation parameter.
  • control unit configured to perform zoom control on the photographing terminal according to the pressing operation parameter and the zoom position area.
  • the apparatus provided in the second aspect of the embodiments of the present invention is used to implement the zoom control method provided by the first aspect of the present invention.
  • the specific implementation process refer to the detailed description of the first aspect of the embodiments of the present invention, and details are not described herein again.
  • a third aspect of the embodiments of the present invention provides another photographing terminal including a processor, an input device, an output device, and a memory, wherein the processor, the input device, the output device, and the memory are connected to each other, wherein the memory is used to store the computer A program, the computer program comprising program instructions, the processor being configured to invoke the program instructions to perform the method of the first aspect of the embodiments of the present invention.
  • a fourth aspect of embodiments of the present invention provides a computer readable storage medium, the computer storage medium storing a computer program, the computer program comprising program instructions, the program instructions, when executed by a processor, causing the processor to execute The method of the first aspect of the embodiments of the present invention.
  • the shooting terminal when the shooting terminal detects that the display interface is the shooting interface, it determines whether the zoom function based on the target button is turned on. If the zoom function based on the target button is turned on, determining the zoom position on the shooting interface. region.
  • the shooting terminal detects the pressing operation on the target button, acquires the pressing operation parameter, and performs zoom control according to the pressing operation parameter and the zoom position area. According to the embodiment of the invention, the user can conveniently perform zoom control on the shooting terminal.
  • FIG. 1 is a schematic flowchart of a zoom control method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of another zoom control method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart diagram of still another zoom control method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a photographing terminal according to an embodiment of the present invention.
  • the photographing terminal may include, but is not limited to, an electronic device such as a smart phone or a palmtop computer.
  • the operating system of the shooting terminal may include, but is not limited to, an Android operating system, an IOS operating system, a Symbian operating system, a Blackberry operating system, a Windows Phone 8 operating system, and the like, which are not limited in the embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a zoom control method according to an embodiment of the present invention.
  • the method may include:
  • the photographing interface is an interface for displaying an image acquired by the camera in the photographing terminal after the camera is turned on, and the camera may be a front camera or a rear camera, which is not limited in the embodiment of the present invention.
  • the user may input a photographing or video recording instruction, and the photographing terminal completes the photographing or video recording control after receiving the instruction input by the user.
  • the target button may be a physical button, including but not limited to a home button, a lock screen button, a volume adjustment button, etc., or may be a virtual button, such as one set under the shooting interface. Change Focus control button.
  • the photographing terminal detects that the current display page is the photographing interface, it determines whether the zoom function based on the target button is on. When it is detected that the zoom function is in an on state, step S102 is performed, and when it is detected that the zoom function based on the target button is not turned on, the user can turn on the zoom function based on the target button in the following manner.
  • the user selects to turn on the zoom function based on the target button among the function options of the shooting interface.
  • the user sets the zoom function based on the target button to be a fingerprint recognition mode, and the user inputs fingerprint information in the fingerprint recognition area, and if the input fingerprint information matches the preset fingerprint information, Turn on the zoom function based on the target button.
  • the manner in which the user sets the zoom function based on the target button is a pressure sensitive recognition mode, and the user performs a pressing operation in the pressure sensitive recognition area, and if the pressing pressure value of the pressing operation is greater than a preset threshold, The zoom function based on the target button is turned on.
  • the manner in which the shooting terminal turns on the zoom function based on the target button includes, but is not limited to, the above manner.
  • a zoom position area is determined on the photographing interface.
  • the zoom position area is set in advance as a central area of the photographing interface, and the area of the area may be a preset value of the terminal, and the user also performs the modification in the setting interface, which is not limited in the embodiment of the present invention.
  • the photographing terminal displays a zoom frame centering on the touch position and determines an area included in the zoom frame It is the zoom position area.
  • the shape of the zoom frame includes, but is not limited to, a square, a rectangle, a diamond, and the like.
  • the area of the zoom frame can be set according to the size of the display screen of different shooting terminals, which is not limited in the embodiment of the present invention.
  • a touch signal can be newly input to the shooting interface, the shooting terminal redisplays the zoom frame according to the position of the touch signal, or the user inputs a sliding instruction for the zoom frame.
  • the shooting terminal displays the zoom frame at the position where the slide command ends.
  • the photographing terminal continuously detects whether the user applies a pressing operation on the target button, and when the photographing terminal detects the pressing operation of the user, the pressing parameter of the pressing operation is acquired.
  • the pressing parameter includes a pressing pressure value
  • the pressing parameter includes pressing fingerprint information.
  • the shooting terminal acquires the pressing operation of the user on the target button
  • the pressing parameter of the pressing operation is acquired
  • the shooting terminal acquires the zooming magnification of the zoom according to the pressing parameter, and zooms according to the zooming multiple.
  • the zoom control of the shooting terminal is performed centering on the position area.
  • the pressing parameter includes a pressing pressure value
  • the shooting terminal acquires the pressing pressure value
  • the pressing pressure value is obtained according to a corresponding relationship between the preset pressure value and the zooming speed.
  • the target zoom speed the photographing terminal performs zoom control according to the target zoom speed.
  • the corresponding relationship between the pressure value and the zoom speed may be a factory configuration, and the user may also perform corresponding modification according to different usage scenarios in the setting interface, which is not limited in the embodiment of the present invention.
  • the pressing pressure value obtained by the shooting terminal is 0.1 N
  • the target zoom speed corresponding to 0.1 N is 2 times the zoom magnification per second.
  • the photographing terminal increases the zoom magnification by 2 per second to realize zoom control, wherein the center area of the zoom control is the zoom position area.
  • the pressing parameter includes a pressing pressure value
  • the shooting terminal acquires the pressing pressure value
  • the target corresponding to the pressing pressure value is acquired according to the corresponding relationship between the preset pressure value and the zooming multiple.
  • the zoom magnification is used by the photographing terminal to perform zoom control according to the target zoom factor.
  • the corresponding relationship between the pressure value and the zoom factor may be a factory configuration, and the user may also perform corresponding modification according to different usage scenarios in the setting interface, which is not limited in the embodiment of the present invention. For example, if the pressing pressure value obtained by the photographing terminal is 0.1 N, and the target zoom factor corresponding to 0.1 N is 3 ⁇ zoom, the photographing terminal adjusts the zoom magnification to 3 ⁇ zoom. The photographing terminal adjusts the zoom magnification to 3 times to realize zoom control, wherein a center area of the zoom control is the zoom position area.
  • the pressing parameter includes pressing fingerprint information
  • the photographing terminal detects that the pressed fingerprint information input by the user matches the first preset fingerprint information, decreasing the zoom factor, Thereby, the size of the photographed object is reduced, and the framing range is expanded.
  • the photographing terminal detects that the pressed fingerprint information input by the user matches the second preset fingerprint information, the zoom magnification is increased, thereby enlarging the size of the photographed object and narrowing the framing range.
  • the central area of the framing range is the zoom position area.
  • the speed of increasing the zoom factor or reducing the zoom factor in the above implementation manner is a preset value of the photographing terminal, which is not limited herein.
  • the shooting terminal when the shooting terminal detects that the display interface is the shooting interface, it determines whether the zoom function based on the target button is turned on. If the zoom function based on the target button is turned on, determining the zoom position on the shooting interface. region.
  • the shooting terminal detects a pressing operation on the target button, acquires a pressing operation parameter, and performs zoom control according to the pressing operation parameter and the zoom position area.
  • the user can press the target button with only one hand to complete the pairing.
  • the zoom control of the shooting terminal solves the problem that the user needs two-hand operation to complete the zoom control, and the user can quickly and conveniently perform zoom control on the shooting terminal.
  • FIG. 2 is a schematic flowchart diagram of another zoom control method according to an embodiment of the present invention, where the method may include:
  • the target button may be a physical button, including but not limited to a home button, a lock screen button, a volume adjustment button, etc., or may be a virtual button, such as a virtual button for zoom control set under the shooting interface.
  • the shooting terminal detects whether the zoom function based on the target button is turned on in the shooting interface, and if the zoom function is in the on state, step S202 is performed, if the zoom function is not turned on, optionally, the process is ended, or the zoom is continuously detected.
  • the zoom control by other means, for example, the user controls the zoom control by sliding the two fingers on the shooting interface, or the user clicks on the preset zoom magnification on the terminal to increase the zoom button to realize the zoom control.
  • the photographing terminal determines a zoom position area on the photographing interface.
  • the photographing terminal acquires a touch position of the touch signal input by the user for the photographing interface, and displays the zoom frame centering on the touch position, and the photographing terminal determines the area included in the zoom frame as the zoom position area.
  • the photographing terminal detects a pressing operation based on the target button, and acquires a pressing of the pressing operation. Pressure value.
  • the shooting terminal After receiving the pressing operation of the target button, the shooting terminal acquires the pressing pressure value of the pressing operation, and the shooting terminal can continuously detect the change of the pressure value, or obtain the pressure value by the preset time interval.
  • the preset duration may be 0.1 seconds, 0.2 seconds, or 0.5 seconds, and the like, which is not limited in the embodiment of the present invention.
  • the photographing terminal performs zoom control according to the pressing pressure value and the zoom position area.
  • the photographing terminal acquires the pressing pressure value based on the target button
  • the magnitude of the pressing pressure value is detected.
  • the photographing terminal determines that the pressing pressure value input by the user is less than the preset threshold
  • the target zoom speed corresponding to the pressing pressure value is obtained according to the corresponding relationship between the preset pressure value and the zoom speed.
  • the corresponding relationship between the pressure value and the zoom speed may be a zoom speed corresponding to the pressure value after the processing, for example, a rounding approximation, the obtained pressure value is 1.2 N, 1.3 N, 1.4 N, and the result after the approximation is 1 Cow, then the shooting terminal obtains the target zoom speed corresponding to 1 cow; it can also be a pressure value interval corresponding to a zoom speed, such as the same target zoom speed corresponding to the pressure value of 1 to 2, the specific pressure value and zoom
  • the corresponding relationship of the speeds is not limited in the embodiment of the present invention.
  • the zoom magnification of the photographing terminal is acquired according to the zoom speed and the pressing duration of the user's pressing operation based on the target button.
  • the zoom factor is a product of a zoom speed and a pressing duration, and the framing range or the framing range is expanded according to the zoom factor, wherein the center of the framing range is the zoom position area.
  • the pressing time of the user's pressing operation based on the target button is 2 seconds
  • the preset threshold is 10 cows
  • the shooting terminal acquires the pressing pressure value input by the user every 1 second, and the shooting terminal will start at the touch operation start time, 1 second.
  • the pressure values obtained are 0.5 N, 0.1 N, respectively, and the corresponding zoom speeds are 2 ⁇ zoom ratios per second, and 1 ⁇ zoom ratio per second.
  • the initial zoom factor is 1 ⁇ , 1 second.
  • the rear zoom factor becomes 3 times, and the zoom factor becomes 2 times after two seconds.
  • the zoom magnification is changed from 1x to 3x, the image centered on the zoom frame is enlarged, and the framing range is also reduced.
  • the zoom magnification is changed from 3x to 1x, the image centered on the zoom frame is reduced.
  • the range of viewing has also been expanded.
  • the shooting terminal After the shooting terminal obtains the pressing pressure value, when it is determined that the pressing pressure value is greater than or equal to the preset threshold, the instantaneous zoom function is turned on, and the shooting terminal acquires a preset zoom multiple threshold, and the zoom multiple threshold may be a shooting terminal.
  • the maximum zoom factor that can be supported, after adjusting to the maximum zoom factor, the user can also adjust the zoom factor by applying a small pressure value. It should be noted that The user can also modify the preset zoom factor threshold.
  • the maximum zoom ratio that the shooting terminal can support is 20 times
  • the preset threshold of the shooting terminal is 5 cattle
  • the shooting terminal will directly set the zoom factor to 20 times.
  • the zooming factor is modified to 15 times when the photographing terminal determines that the pressure value applied by the user based on the target button is greater than a preset threshold.
  • the photographing terminal acquires and displays an image captured after the zoom control.
  • the photographing terminal displays an image captured during the zooming process in the shooting interface every preset time interval, and the preset duration may be configured at the factory, and the user may also perform corresponding modification according to different usage scenarios in the setting interface.
  • the embodiment of the invention is not limited.
  • the zoom speed of the shooting terminal is increased by twice the zoom factor per second, and the interval between the images captured during zooming in the shooting interface is 0.1 second, and the zoom ratio is increased by 0.2 in every 0.1 seconds.
  • the shooting effect of the double time can facilitate the user to adjust the zoom magnification more accurately, so that the shooting effect is better.
  • the shooting terminal when the shooting terminal detects that the current display interface is the shooting interface, it determines whether the zoom function based on the target button is in an open state; if the zoom function based on the target button is in an open state, on the shooting interface. Determining a zoom position area; the photographing terminal detects a pressing pressure value of the pressing operation based on a pressing operation on the target button, and performs zoom control on the photographing terminal according to the pressing pressure value and the zooming position area, acquiring and displaying the The image captured by the shooting terminal after zoom control.
  • the user can complete the zoom control of the shooting terminal by pressing only one hand on the target button, solving the problem that the user needs two-hand operation to complete the zoom control, and the user can quickly zoom the shooting terminal. control.
  • FIG. 3 is a schematic flowchart diagram of still another zoom control method according to an embodiment of the present invention.
  • the method may include:
  • step S302 is performed, if the zoom function is off, optionally, the process is ended, or the target button is continuously detected. Whether the zoom function is turned on.
  • the photographing terminal determines a zoom position area on the photographing interface.
  • the photographing terminal detects a touch position of the touch signal input to the photographing interface, and displays a zoom frame at the touch position, and the area included in the zoom frame is the zoom position area.
  • the photographing terminal detects a pressing operation based on the target button, and acquires pressing fingerprint information of the pressing operation.
  • the photographing terminal detects that the user presses the pressed fingerprint information of the pressing operation after the pressing operation of the target button, and the pressing fingerprint information may include, but is not limited to, fingerprint characteristic data, fingerprint image, fingerprint orientation, and the like of the user.
  • the manner of acquiring the fingerprint information may include, but is not limited to, an optical sensor, a pressure sensor, a capacitance sensor, a temperature sensor, an infrared sensor, an ultrasonic sensor, and the like.
  • the user fingerprint feature data may include: user fingerprint core point data, user fingerprint triangle point data, and user fingerprint texture number data.
  • the photographing terminal determines whether the pressed fingerprint information matches the preset fingerprint information.
  • the preset fingerprint information includes first preset fingerprint information and second preset fingerprint information.
  • the preset fingerprint information needs to be recorded by the user. The user can only input the fingerprint information of one finger as the first preset fingerprint information, and can also input the fingerprint information of multiple fingers as the first preset fingerprint information. Similarly, the user can only Entering the fingerprint information of one finger as the second preset fingerprint information, and also inputting the fingerprint information of the plurality of fingers as the second preset fingerprint information, but the fingerprint information of the same finger cannot simultaneously correspond to the first preset fingerprint information and the second preset Set fingerprint information. If the pressing fingerprint information matches the first preset fingerprint information, step S305 is performed, and if the pressing fingerprint information matches the first preset fingerprint information, step S306 is performed.
  • the photographing terminal performs a first zoom control, and expands the framing range after the first zoom control;
  • the first zoom control is performed to reduce the zoom magnification, thereby reducing the size of the object in the image and expanding the framing range.
  • the central area of the framing range is the zoom position area.
  • the specific speed of reducing the zoom factor may be configured at the factory, or may be set by the user, and the shooting terminal may continue to obtain the pressing pressure value input by the user based on the target button.
  • the reduction speed of the zoom factor is obtained according to the correspondence between the pressure value and the zoom speed, which is not limited in the embodiment of the present invention.
  • the photographing terminal performs a second zoom control, and reduces the framing range after the second zoom control;
  • the photographing terminal when the photographing terminal detects that the fingerprint information input by the user matches the second preset fingerprint information, the photographing terminal performs the second zoom control to increase the zoom magnification, thereby increasing the size of the object in the image, and reducing the framing.
  • a range wherein a central area of the framing range is the zoom position area.
  • the specific speed of increasing the zoom factor may be configured at the factory or by the user, and the shooting terminal may continue to acquire the pressing pressure value input by the user based on the target button, and obtain the corresponding relationship between the pressure value and the zoom speed.
  • the speed at which the zoom factor is increased is increased.
  • the embodiments of the present invention are not limited.
  • the photographing terminal displays an image captured during the zooming process in the shooting interface every preset time interval, and the preset duration may be configured at the factory, and the user may also perform corresponding modification according to different usage scenarios in the setting interface.
  • the embodiment of the invention is not limited.
  • the photographing terminal when it is detected that the display interface of the photographing terminal is the photographing interface, it is determined whether the zoom function based on the target button in the photographing terminal is an open state; if the zoom function is an open state, The zoom position area is determined on the shooting interface; the photographing terminal detects the pressing operation on the target button, and obtains the pressing fingerprint information of the pressing operation. If the pressing fingerprint information matches the first preset fingerprint information, the photographing terminal performs the first zooming.
  • the shooting terminal performs the second zoom control to reduce the framing range; by implementing the above method, the single-hand pressing target button can be adjusted to adjust the zoom magnification, And increase or decrease the zoom factor according to the difference of the input fingerprint.
  • the problem that the shooting terminal requires the user's two-hand operation to complete the zoom control can be solved, and the user can conveniently and quickly perform zoom control on the shooting terminal.
  • the photographing terminal provided by the embodiment of the present invention will be described in detail below with reference to FIG. It should be noted that the photographing terminal shown in FIG. 4 is used to perform the method of the embodiment shown in FIG. 1 to FIG. 3 of the present invention. For the convenience of description, only parts related to the embodiment of the present invention are shown, and the specific technology is The details are not disclosed, and the embodiments shown in Figs. 1 to 3 of the present invention are referred to.
  • the device 40 may include: a detecting unit 401, a determining unit 402, an obtaining unit 403, and a control unit 404.
  • the detecting unit 401 is configured to determine whether the zoom function based on the target button in the photographing terminal is an open state when detecting that the display interface of the photographing terminal is the photographing interface.
  • the detecting unit 401 is configured to determine whether the zoom function based on the target button is in an open state when the photographing terminal detects that the current display page is the photographing interface.
  • the photographing terminal determines a zoom position area on the photographing interface, and when detecting that the zoom function is not turned on, the user selects to turn on the zoom function based on the target button in the function options of the photographing interface.
  • the user sets the zoom function based on the target button to be the fingerprint recognition mode, the user inputs the fingerprint information in the fingerprint recognition area, and if the input fingerprint information matches the preset fingerprint information, the zoom function based on the target button is turned on.
  • the user sets the zoom function based on the target button to be the pressure sensitive recognition mode, and the user performs a pressing operation in the pressure sensitive recognition area. If the pressing pressure value of the pressing operation is greater than the preset threshold, the target button is turned on. Zoom function.
  • the determining unit 402 is configured to determine a zoom position area on the shooting interface when the zoom function is in an on state.
  • the determining unit 402 is configured to determine a zoom position area on the shooting interface after the shooting terminal detects that the shooting function based on the target button is turned on.
  • the zoom position area defaults to a central area of the shooting interface, and the size of the area may be a preset value of the terminal, and the user also performs modification in the setting interface.
  • a touch signal of the user's input to the photographing interface is received, a touch point of the touch signal is acquired, and the photographing terminal displays a zoom frame centering on the touch point, and the area included in the zoom frame Determined as the zoom position area.
  • the user can click the shooting interface, the shooting terminal redisplays the zoom frame according to the clicked position, or the user inputs a sliding instruction for the zoom frame, and the shooting terminal redisplays the zoom at the position where the sliding instruction ends. frame.
  • the acquiring unit 403 is configured to detect a pressing operation on a target button of the photographing terminal, and acquire a pressing operation parameter.
  • the acquisition unit 403 is configured to detect a pressing operation on a target button of the photographing terminal, and acquire a pressing pressure value of the pressing operation.
  • the acquiring unit 403 obtains the pressing pressure value of the pressing operation, and the photographing terminal can continue to be acquired by the acquiring unit 403.
  • the magnitude of the change in the pressure value may be obtained, and the magnitude of the pressure value may be acquired by the acquisition unit 403 every predetermined time interval.
  • the obtaining unit 403 is configured to detect a pressing operation on a target button of the photographing terminal, and acquire pressed fingerprint information of a pressing operation.
  • the acquiring unit 403 acquires the pressed fingerprint information of the pressing operation.
  • the control unit 404 is configured to perform zoom control on the photographing terminal according to the pressing operation parameter and the zoom position area.
  • the pressing parameter is a pressing pressure value
  • the photographing terminal performs zoom control on the photographing terminal according to the pressing pressure value and the zooming position area.
  • the control unit includes a determining unit 4041 and a processing unit 4042;
  • the determining unit 4041 is configured to determine a relationship between the obtained pressing pressure value and a preset threshold.
  • the determining unit 4041 determines the magnitude of the pressing pressure value.
  • the target zoom speed corresponding to the pressing pressure value is obtained according to the corresponding relationship between the preset pressure value and the zooming speed.
  • the photographing terminal turns on the instantaneous zoom function and acquires a preset zoom multiplier threshold.
  • the processing unit 4042 is configured to perform zoom processing on the photographing terminal according to the zoom magnification after acquiring the pressing pressure value corresponding to the zoom magnification.
  • the processing unit 4042 when the determining unit 4041 determines that the pressing pressure value is less than the preset threshold, the processing unit 4042 obtains the target zoom speed corresponding to the pressing pressure value according to the corresponding relationship between the preset pressure value and the zooming speed, and according to the The zoom speed and the user's zoom time based on the target button acquire the zoom magnification of the photographing terminal.
  • the processing unit 4042 expands the framing range or the framing range according to the zoom magnification pair, wherein the center of the framing range is the zoom position area.
  • the shooting terminal turns on the instantaneous zooming function, and the processing unit 4042 obtains a preset zooming multiple threshold, which is preset as the maximum zooming multiple that the shooting terminal can support. After adjusting to the maximum zoom factor, the processing unit 4042 can also receive the user's operation to adjust the zoom factor.
  • the pressing parameter is pressing the fingerprint information
  • the shooting terminal is pressed according to the The fingerprinting information and the zoom position area perform zoom control on the photographing terminal.
  • the control unit includes a determining unit 4041 and a processing unit 4042;
  • the determining unit 4021 is configured to determine whether the acquired pressed fingerprint information matches the preset fingerprint information.
  • the photographing terminal when the determining unit 4021 determines that the acquired pressed fingerprint information matches the preset fingerprint information, the photographing terminal performs zoom control on the photographing terminal according to the pressed fingerprint information and the zoom position area, wherein the preset fingerprint The information includes the first preset fingerprint information and the second preset fingerprint information.
  • the zooming magnification of the shooting terminal increases.
  • the zooming magnification of the photographing terminal is decreased.
  • the processing unit 4042 is configured to perform zoom processing on the photographing terminal according to the pressed fingerprint information and the zoom position area.
  • the determining unit 4042 determines that the pressed fingerprint information matches the first preset fingerprint information, performing a first zoom control on the photographing terminal, and the photographing terminal expands the framing range after the first zoom control
  • the determining unit 4042 determines that the pressed fingerprint information matches the second preset fingerprint information, performing second zoom control on the photographing terminal, and the photographing terminal reduces the framing range after the second zoom control.
  • a display unit 405 configured to display an image captured after performing zoom control on the photographing terminal
  • FIG. 5 is a schematic structural diagram of another shooting terminal according to an embodiment of the present invention.
  • the photographing terminal includes at least one processor 501, an input device 503, an output device 504, a memory 505, and at least one communication bus 502.
  • the communication bus 502 is used to implement connection communication between these components.
  • the memory 505 may be a high speed RAM memory or a non-volatile memory such as at least one disk memory.
  • the memory 505 can also optionally be at least one storage device located remotely from the aforementioned processor 501.
  • the processor 501 can be combined with the photographing terminal described in FIG. 4, a set of program codes is stored in the memory 505, and the processor 501 calls the program code stored in the memory 505 for performing the following operations:
  • Zoom control is performed on the photographing terminal according to the pressing operation parameter and the zoom position area.
  • the processor 501 calls the program code stored in the memory 505 to perform determining the zoom position area on the shooting interface, specifically, the following steps are performed:
  • a touch position of a touch signal input to the photographing interface is detected, and a zoom frame is displayed according to the touch position, and an area included in the zoom frame is determined as a zoom position area.
  • the processor 501 calls the program code stored in the memory 505 to perform zoom control on the photographing terminal according to the pressing operation parameter and the zoom position area, specifically, the following steps are performed:
  • Zoom control is performed on the photographing terminal according to the target zoom speed and the zoom position area.
  • the processor 501 calls the program code stored in the memory 505 to perform zoom control on the photographing terminal according to the pressing operation parameter and the zoom position area, specifically, the following steps are performed:
  • the zoom control is performed on the photographing terminal according to the preset zoom magnification threshold and the zoom position area.
  • the processor 501 calls the program code stored in the memory 505 to perform zoom control on the photographing terminal according to the pressing operation parameter and the zoom position area, specifically for performing the following steps:
  • processor 501 invokes program code stored in memory 505 to perform a check.
  • the preset fingerprint information is matched, and the following steps are performed:
  • the photographing terminal If the pressed fingerprint information matches the first preset fingerprint information, performing second zoom control on the photographing terminal centering on the zoom position area, and the photographing terminal reduces the framing after the second zoom control range.
  • the processor 501 is further configured to perform the following steps:
  • An image captured after zoom control of the photographing terminal is acquired and displayed.
  • the unit in the embodiment of the present invention may be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit) or an ASIC (Application Specific Integrated Circuit).
  • a CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • modules or units in the terminal in the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
  • the processor may be a central processing unit (CPU), and the processor may also be another general-purpose processor, a digital signal processor (DSP), Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the bus 504 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus, etc., and the bus 504 may be divided into Address bus, data bus, control bus, etc., for ease of representation, Figure 5 is shown by only one line, but does not mean that there is only one bus or one type of bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the computer storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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Abstract

本发明实施例公开了一种变焦控制方法、装置及拍摄终端，其中方法包括：当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态；若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数；根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。采用本发明实施例，用户可以只使用一只手在目标按键上按压便可完成对拍摄终端的变焦控制，解决了用户需要双手操作才能完成变焦控制的问题，可方便用户快捷地对拍摄终端进行变焦控制。

Description

一种变焦控制方法、装置及拍摄终端 技术领域
本发明涉及电子技术领域，尤其涉及一种变焦控制方法、装置及拍摄终端。
背景技术
带摄像头的手机、平板电脑等拍摄终端可以满足用户在任意场合、任意时间进行拍摄的需求。用户在拍摄过程中，拍摄终端的变焦是保证用户拍摄出清晰的图片和视频的关键因素之一，因此，对拍摄终端的变焦控制是拍照过程中不可或缺的步骤。
当前，用户在调节拍摄终端的变焦倍数的过程中，需要一只手握住拍摄终端，另一只手的两只手指在拍摄终端的拍摄界面上滑动，拍摄终端识别两只手指在界面上的操作，根据两只手指之间的距离变化调节拍摄终端的变焦倍数。当两只手指之间的距离变大时，增加变焦倍数，从而缩小取景范围，放大被拍摄的物体，当两只手指之间的距离缩小时，减小变焦倍数，从而扩大取景范围，缩小被拍摄的物体。
上述方案虽然可以实现拍摄终端的变焦控制，但需要用户双手的合作才能完成，拍摄终端也需要多次检测用户手指在拍摄界面上的滑动操作，过程繁琐。
发明内容
本发明实施例提供了一种变焦控制方法、装置及拍摄终端，可方便用户快捷地对拍摄终端进行变焦控制。
本发明实施例第一方面提供了一种变焦控制方法，包括：
当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态；
若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；
检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数；
根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
在一种可能实现的方式中，所述在所述拍摄界面上确定变焦位置区域，包括：
检测针对所述拍摄界面输入的触摸信号的触摸位置；
根据所述触摸位置显示变焦框；
将所述变焦框中包含的区域确定为变焦位置区域。
在一种可能实现的方式中，所述按压操作参数包括按压压力值；
所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制，包括：
根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度；
根据所述目标变焦速度和所述变焦位置区域对所述拍摄终端进行变焦控制。
在一种可能实现的方式中，所述按压操作参数包括按压压力值；
所述根据所述按压操作参数和所述变焦位置区域对拍摄终端进行变焦控制，包括：
检测所述按压压力值是否大于预设压力值；
若是，则获取预设的变焦倍数阈值，将拍摄终端的变焦倍数更改为所述预设的变焦倍数阈值；
根据所述预设的变焦倍数阈值和所述变焦位置区域对所述拍摄终端进行变焦控制。
在一种可能实现的方式中，所述按压操作参数包括按压指纹信息；
所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制，包括：
当检测到所述按压指纹信息与预设指纹信息相匹配时，根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制。
在一种可能实现的方式中，当检测到所述按压指纹信息与预设指纹信息相匹配时，根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制，包括：
若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域为中心对所述拍摄终端进行第一变焦控制，所述拍摄终端在所述第一变焦控制后扩大取景范围；
若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域 为中心对所述拍摄终端进行第二变焦控制，所述拍摄终端在所述第二变焦控制后缩小取景范围。
在一种可能实现的方式中，所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制之后，还包括：
获取并显示对所述拍摄终端进行变焦控制后拍摄到的图像。
本发明实施例第二方面提供一种装置，包括：
检测单元，用于检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态。
确定单元，用于在变焦功能为开启状态时，在所述拍摄界面上确定变焦位置区域。
获取单元，用于检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数。
控制单元，用于根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
本发明实施例第二方面提供的装置用于实现本发明实施例第一方面提供的变焦控制方法，具体实现过程可参见本发明实施例第一方面的具体描述，在此不再赘述。
本发明实施例第三方面提供另一种拍摄终端，包括处理器、输入设备、输出设备和存储器，所述处理器、输入设备、输出设备和存储器相互连接，其中，所述存储器用于存储计算机程序，所述计算机程序包括程序指令，所述处理器被配置用于调用所述程序指令，执行本发明实施例第一方面所述的方法。
本发明实施例第四方面提供一种计算机可读存储介质，所述计算机存储介质存储有计算机程序，所述计算机程序包括程序指令，所述程序指令当被处理器执行时使所述处理器执行本发明实施例第一方面所述的方法。
在本发明实施例中，拍摄终端检测到显示界面为拍摄界面时，会判断基于目标按键的变焦功能是否为开启状态，若基于目标按键的变焦功能为开启状态，则在拍摄界面上确定变焦位置区域。拍摄终端检测在的目标按键上的按压操作，获取按压操作参数，并根据按压操作参数和变焦位置区域进行变焦控制，通过本发明实施例，可方便用户快捷地对拍摄终端进行变焦控制。
附图说明
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的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种变焦控制方法的流程示意图；
图2为本发明实施例提供的另一种变焦控制方法的流程示意图；
图3为本发明实施例提供的又一种变焦控制方法的流程示意图；
图4为本发明实施例提供的一种装置的结构示意图；
图5为本发明实施例提供的一种拍摄终端的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例涉及的拍摄终端可包括但不限于智能手机、掌上电脑等电子设备。该拍摄终端的操作系统可包括但不限于Android操作系统、IOS操作系统、Symbian(塞班)操作系统、Black Berry(黑莓)操作系统、Windows Phone8操作系统等等，本发明实施例不做限定。
请参见图1，为本发明实施例提供的一种变焦控制方法的流程示意图，该方法可包括：
S101、当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态。
具体的，所述拍摄界面为摄像头开启后，拍摄终端中显示摄像头获取到的图像的界面，所述摄像头可以为前置摄像头或后置摄像头，本发明实施例不做限定。当拍摄终端当前显示页面为拍摄页面时，用户可以输入拍照或视频录制指令，拍摄终端接收到用户输入的指令后，完成拍照或视频录制控制。需要说明的是，所述目标按键可以为实体按键，包括但不限于home(起始)键、锁屏键、音量调节键等；也可以为虚拟按键，如在拍摄界面下设置的一个用于变 焦控制的按键。
当拍摄终端检测到当前显示页面为拍摄界面时，会判断基于目标按键的变焦功能是否为开启状态。当检测到所述变焦功能为开启状态时，执行步骤S102，当检测到基于目标按键的变焦功能未开启时，用户可以通过下列方式开启所述基于目标按键的变焦功能。
在一种可能实现的方式中，用户在拍摄界面的功能选项中选择开启基于目标按键的变焦功能。
在一种可能实现的方式中，用户设置开启基于目标按键的变焦功能的方式为指纹识别方式，用户在指纹识别区域输入指纹信息，若所述输入的指纹信息与预设指纹信息相匹配，则开启基于目标按键的变焦功能。
在一种可能实现的方式中，用户设置开启基于目标按键的变焦功能的方式为压感识别方式，用户在压感识别区域进行按压操作，若所述按压操作的按压压力值大于预设阈值，则开启基于目标按键的变焦功能。
还需要说明的是，拍摄终端开启基于目标按键的变焦功能的方式包括但不限于上述方式。
S102、若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域。
具体的，当拍摄终端检测到基于目标按键的拍摄功能开启后，会在拍摄界面上确定一个变焦位置区域。所述变焦位置区域预先设置为拍摄界面的中心区域，所述区域的面积可以为终端预设值，用户也在设置界面中进行修改，本发明实施例不做限定。
当接收到用户针对拍摄界面的输入的触摸信号时，会获取所述触摸信号的触摸位置，拍摄终端将以所述触摸位置为中心显示一个变焦框，并将所述变焦框中包含的区域确定为变焦位置区域。需要说明的是，变焦框的形状包括但不限于正方形、长方形、菱形等，变焦框的面积可以根据不同拍摄终端显示屏的尺寸而设定，本发明实施例不做限定。
还需要说明的是，用户如果需要重新调整变焦框的位置，可以重新对拍摄界面输入一个触摸信号，拍摄终端根据触摸信号的位置重新显示变焦框，或者，用户针对所述变焦框输入一个滑动指令，拍摄终端在滑动指令结束的位置显示变焦框。
S103、检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数。
具体的，拍摄终端在确定了变焦位置区域后，会持续检测用户是否在目标按键上施加了按压操作，当拍摄终端检测到用户的按压操作时，会获取所述按压操作的按压参数。在一种可能实现的方式中，所述按压参数包括按压压力值，在另一种可能实现的方式中，所述按压参数包括按压指纹信息。
S104、根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
具体的，当拍摄终端获取到用户在目标按键上的按压操作后，会获取所述按压操作的按压参数，拍摄终端根据所述按压参数获取到变焦的变焦倍数，并根据所述变焦倍数以变焦位置区域为中心对拍摄终端进行变焦控制。
在一种可能实现的方式中，所述按压参数包括按压压力值，拍摄终端获取到所述按压压力值之后，会根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度，拍摄终端根据所述目标变焦速度进行变焦控制。其中，压力值与变焦速度的对应关系可以为出厂时配置，用户也可在设置界面中根据不同使用场景进行相应的修改，本发明实施例不做限定。例如，拍摄终端获取到的按压压力值为0.1牛，0.1牛对应的目标变焦速度为每秒增加2倍变焦倍数。则用户针对目标按键的按压操作每持续1秒，变焦倍数增加2倍。拍摄终端每秒增加2被变焦倍数，实现变焦控制，其中，所述变焦控制的中心区域为所述变焦位置区域。
在一种可能实现的方式中，所述按压参数包括按压压力值，拍摄终端获取到按压压力值之后，会根据预设的压力值与变焦倍数的对应关系获取到所述按压压力值对应的目标变焦倍数，拍摄终端根据所述目标变焦倍数进行变焦控制。其中，压力值与变焦倍数的对应关系可以为出厂时配置，用户也可在设置界面中根据不同使用场景进行相应的修改，本发明实施例不做限定。例如，拍摄终端获取到的按压压力值为0.1牛，0.1牛对应的目标变焦倍数为3倍变焦，则所述拍摄终端将变焦倍数调整为3倍变焦。拍摄终端将变焦倍数调整为3倍，实现变焦控制，其中，所述变焦控制的中心区域为所述变焦位置区域。
在一种可能实现的方式中，所述按压参数包括按压指纹信息，当拍摄终端检测到用户输入的按压指纹信息与第一预设指纹信息匹配时，减小变焦倍数， 从而缩小拍摄物体的大小，扩大取景范围，当拍摄终端检测到用户输入的按压指纹信息与第二预设指纹信息匹配时，增加变焦倍数，从而放大拍摄物体的大小，缩小取景范围。其中，所述取景范围的中心区域为所述变焦位置区域。需要说明的是，上述实现方式中的增加变焦倍数或减小变焦倍数的速度为拍摄终端预设值，在此不做限定。当拍摄终端完成变焦控制后，会在拍摄界面中显示变焦控制后拍摄到的图像。
在本发明实施例中，拍摄终端检测到显示界面为拍摄界面时，会判断基于目标按键的变焦功能是否为开启状态，若基于目标按键的变焦功能为开启状态，则在拍摄界面上确定变焦位置区域。拍摄终端检测在的目标按键上的按压操作，获取按压操作参数，并根据按压操作参数和变焦位置区域进行变焦控制，通过本发明实施例，用户可以只使用一只手按压目标按键便可完成对拍摄终端的变焦控制，解决了用户需要双手操作才能完成变焦控制的问题，可方便用户快捷地对拍摄终端进行变焦控制。
请参见图2，为本发明实施例提供的另一种变焦控制方法的流程示意图，该方法可包括：
S201、当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态。
具体的，所述目标按键可以为实体按键，包括但不限于home键、锁屏键、音量调节键等，也可以为虚拟按键，如拍摄界面下的设置的一个用于变焦控制的虚拟按键。拍摄终端在拍摄界面下检测基于目标按键的变焦功能是否开启，若所述变焦功能为开启状态执行步骤S202，若所述变焦功能未开启，可选的，结束本流程，或继续检测所述变焦功能是否开启，或者，用户采用其他方式实现变焦控制，例如，用户通过两只手指在拍摄界面上滑动实现变焦控制，或者用户点击终端上预设的变焦倍数增加缩小按键实现变焦控制。
S202、拍摄终端在拍摄界面上确定变焦位置区域。
具体的，拍摄终端会获取用户针对拍摄界面输入的触目信号的触摸位置，并以所述触摸位置为中心显示变焦框，拍摄终端将所述变焦框中包含的区域确定为变焦位置区域。
S203、拍摄终端检测基于目标按键上的按压操作，并获取按压操作的按压 压力值。
具体的，拍摄终端接收到基于目标按键的按压操作后，会获取所述按压操作的按压压力值，拍摄终端可以持续检测压力值的变化大小，也可以每间隔预设时长获取压力值的大小，该预设时长可以为0.1秒、0.2秒或0.5秒等，本发明实施例不做限定。
S204、拍摄终端根据按压压力值和所述变焦位置区域进行变焦控制。
具体的，拍摄终端获取到基于目标按键的按压压力值之后，会检测按压压力值的大小。当拍摄终端判断出用户输入的按压压力值小于预设阈值时，会根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度。压力值与变焦速度的对应关系可以是近似处理后的压力值对应的变焦速度，如取整近似，获取到的压力值为1.2牛，1.3牛，1.4牛，取整近似后的结果都为1牛，然后拍摄终端获取1牛所对应的目标变焦速度；也可以是一个压力值区间对应一个变焦速度，如压力值1～2牛时都对应的同一个目标变焦速度，具体的压力值与变焦速度的对应关系，本发明实施例不做限定。当拍摄终端获取到按压压力值对应的目标变焦速度后，会根据所述变焦速度和用户基于目标按键的按压操作的按压时长获取到拍摄终端的变焦倍数。其中，所述变焦倍数为变焦速度和按压时长的乘积，根据所述变焦倍数扩大取景范围或缩小取景范围，其中，取景范围的中心为所述变焦位置区域。
举例说明，用户基于目标按键的按压操作的按压时长为2秒，预设阈值为10牛，拍摄终端每隔1秒获取用户输入的按压压力值，则拍摄终端会在触摸操作开始时刻、1秒时刻获取到按压压力值分别为0.5牛，0.1牛，其对应的变焦速度分别为每秒增加2倍变焦倍数，每秒减小1倍变焦倍数，若初始的变焦倍数为1倍，则1秒后变焦倍数变为3倍，两秒后变焦倍数变为2倍。变焦倍数由1倍变为3倍时，以变焦框为中心的图像被放大，同时也缩小了取景范围，变焦倍数由3倍变为1倍时，以变焦框为中心的图像被缩小，同时也扩大了取景范围。
拍摄终端获取到按压压力值之后，当确定所述按压压力值大于或等于预设阈值时，会开启瞬时变焦功能，拍摄终端会获取预设的变焦倍数阈值，所述变焦倍数阈值可以为拍摄终端可支持的最大变焦倍数，当调节至最大变焦倍数后，用户也可通过施加较小的压力值对变焦倍数进行调整。需要说明的是，用 户也可对预设的变焦倍数阈值进行修改。
举例说明，拍摄终端可支持的最大变焦倍数为20倍，拍摄终端的预设阈值为5牛，用户基于目标按键施加了一个10牛的压力值，则拍摄终端判断出用户施加的压力值大于预设阈值，拍摄终端会直接将变焦倍数设置为20倍，当用户希望将变焦倍数减小时，可以输入一个较小的压力值，0.1牛，对应每秒减小1倍变焦倍数，则可实现变焦倍数的调节。或者，用户在设置界面中修改变焦倍数阈值为15倍，则当拍摄终端判断出用户基于目标按键施加的压力值大于预设阈值时，将变焦倍数修改为15倍。
S205、拍摄终端获取并显示变焦控制后拍摄到的图像。
具体的，拍摄终端会每间隔预设时长在拍摄界面中显示变焦过程中拍摄到的图像，所述预设时长可以为出厂时配置，用户也可在设置界面中根据不同使用场景进行相应的修改，本发明实施例不做限定。
举例说明，拍摄终端的变焦速度为每秒增加两倍变焦倍数，拍摄界面中显示变焦过程中拍摄到的图像的间隔时长为0.1秒，则每隔0.1秒，拍摄界面中会显示变焦倍数增加0.2倍时的拍摄效果，可以方便用户更准确的调节变焦倍数，使拍摄的效果更好。
在本发明实施例中，拍摄终端检测到当前显示界面为拍摄界面时，会判断基于目标按键的变焦功能是否为开启状态；若基于目标按键的变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；拍摄终端检测基于目标按键上的按压操作，获取按压操作的按压压力值，并根据按压压力值和所述变焦位置区域对所述拍摄终端进行变焦控制，获取并显示对所述拍摄终端进行变焦控制后拍摄到的图像。通过实施上述方法，用户可以只使用一只手在目标按键上按压便可完成对拍摄终端的变焦控制，解决了用户需要双手操作才能完成变焦控制的问题，可方便用户快捷地对拍摄终端进行变焦控制。
请参见图3，为本发明实施例提供的又一种变焦控制方法的流程示意图，该方法可包括：
S301、当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态。
具体的，当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端 中基于目标按键的变焦功能是否为开启状态，若基于目标按键的变焦功能为开启状态，执行步骤S302，若所述变焦功能为关闭状态，可选的，结束本流程，或继续检测基于目标按键的变焦功能是否开启。
S302、拍摄终端在拍摄界面上确定变焦位置区域。
具体的，拍摄终端检测针对所述拍摄界面输入的触摸信号的触摸位置，并在所述触摸位置处显示变焦框，变焦框中包含的区域即为变焦位置区域。
S303、拍摄终端检测基于目标按键上的按压操作，并获取按压操作的按压指纹信息。
具体的，拍摄终端检测到用户在目标按键的按压操作后，会获取所述按压操作的按压指纹信息，所述按压指纹信息可以包括但不限于用户的指纹特征数据、指纹图像、指纹取向等。所述指纹信息的获取方式可以包括但不限于光学传感器、压力传感器、电容传感器、温度传感器、红外传感器、超声波传感器等。用户指纹特征数据可以包括：用户指纹核心点数据、用户指纹三角点数据、用户指纹纹路数数据。
S304、检测所述按压指纹信息是否与预设指纹信息相匹配。
具体的，拍摄终端获取到用户在目标按键上的按压操作的按压指纹信息后，会判断按压指纹信息与预设指纹信息是否相匹配。需要说明的是，所述预设指纹信息包括第一预设指纹信息和第二预设指纹信息。其中，预设指纹信息需要用户进行录入，用户可以只录入一个手指的指纹信息作为第一预设指纹信息，也可以录入多个手指的指纹信息作为第一预设指纹信息，同样，用户可以只录入一个手指的指纹信息作为第二预设指纹信息，也可以录入多个手指的指纹信息作为第二预设指纹信息，但同一手指的指纹信息不能同时对应第一预设指纹信息和第二预设指纹信息。若按压指纹信息与第一预设指纹信息相匹配，执行步骤S305，若按压指纹信息与第一预设指纹信息相匹配，执行步骤S306。
S305、拍摄终端进行第一变焦控制，在第一变焦控制后扩大取景范围；
具体的，拍摄终端检测到用户输入的指纹信息与第一预设指纹信息相匹配时，进行第一变焦控制，减小变焦倍数，从而缩小了被拍摄物体在图像中的大小，扩大取景范围，其中，所述取景范围的中心区域为所述变焦位置区域。
需要说明的是，上述缩小变焦倍数的具体速度可以为出厂时配置，也可由用户设置，拍摄终端也可以继续获取用户基于目标按键输入的按压压力值，根 据压力值与变焦速度的对应关系获取到变焦倍数的减小速度，本发明实施例不做限定。
S306、拍摄终端进行第二变焦控制，在第二变焦控制后缩小取景范围；
具体的，拍摄终端检测到用户输入的指纹信息与第二预设指纹信息相匹配时，拍摄终端则进行第二变焦控制，增加变焦倍数，从而增加了被拍摄物体在图像中的大小，缩小取景范围，其中，所述取景范围的中心区域为所述变焦位置区域。
需要说明的是，上述增加变焦倍数的具体速度可以为出厂时配置，也可由用户设置，拍摄终端也可以继续获取用户基于目标按键输入的按压压力值，根据压力值与变焦速度的对应关系获取到变焦倍数的增加速度。本发明实施例不做限定。
S307、获取并显示对所述拍摄终端进行变焦控制后拍摄到的图像。
具体的，拍摄终端会每间隔预设时长在拍摄界面中显示变焦过程中拍摄到的图像，所述预设时长可以为出厂时配置，用户也可在设置界面中根据不同使用场景进行相应的修改，本发明实施例不做限定。
在本发明实施例中，当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态；若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；拍摄终端检测基于目标按键上的按压操作，并获取按压操作的按压指纹信息，若所述按压指纹信息与第一预设指纹信息相匹配，拍摄终端进行第一变焦控制，扩大取景范围；若所述按压指纹信息与第二预设指纹信息相匹配，拍摄终端进行第二变焦控制，缩小取景范围；通过实施上述方法，可以实现单手按压目标按键调节变焦倍数，并根据输入指纹的不同确定增加或较小变焦倍数。可以解决拍摄终端需要用户的双手操作才能完成变焦控制的问题，可方便用户快捷地对拍摄终端进行变焦控制。
下面将结合附图4对本发明实施例提供的拍摄终端进行详细介绍。需要说明的是，附图4所示的拍摄终端，用于执行本发明图1-图3所示实施例的方法，为了便于说明，仅示出了与本发明实施例相关的部分，具体技术细节未揭示的，经参照本发明图1-图3所示的实施例。
请参见图4，为本发明提供的一种装置的结构示意图；该装置40可包括：检测单元401、确定单元402、获取单元403和控制单元404。
检测单元401，用于检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态。
具体实现中，检测单元401用于在拍摄终端检测到其当前显示页面为拍摄界面时，判断基于目标按键的变焦功能是否为开启状态。当检测到所述变焦功能为开启状态时，拍摄终端在拍摄界面上确定变焦位置区域，当检测到所述变焦功能未开启时，用户在拍摄界面的功能选项中选择开启基于目标按键的变焦功能，或者用户设置开启基于目标按键的变焦功能的方式为指纹识别方式，用户在指纹识别区域输入指纹信息，若所述输入的指纹信息与预设指纹信息相匹配，则开启基于目标按键的变焦功能，或者，用户设置开启基于目标按键的变焦功能的方式为压感识别方式，用户在压感识别区域进行按压操作，若所述按压操作的按压压力值大于预设阈值，则开启基于目标按键的变焦功能。
确定单元402，用于在变焦功能为开启状态时，在所述拍摄界面上确定变焦位置区域。
具体实现中，确定单元402用于在拍摄终端检测到基于目标按键的拍摄功能开启后，在拍摄界面上确定一个变焦位置区域。所述变焦位置区域默认为拍摄界面的中心区域，所述区域的尺寸可以为终端预设值，用户也在设置界面中进行修改。当接收到用户针对所述拍摄界面的输入的触摸信号时，会获取所述触摸信号的触摸点，拍摄终端将以所述触摸点为中心显示一个变焦框，将所述变焦框中包括的区域确定为所述变焦位置区域。用户如果需要重新调整变焦框的位置，可以点击拍摄界面，拍摄终端根据点击的位置重新显示变焦框，或者，用户针对所述变焦框输入一个滑动指令，拍摄终端在滑动指令结束的位置重新显示变焦框。
获取单元403，用于检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数。
在一种可能实现的方式中，获取单元403用于检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作的按压压力值。
具体实现中，拍摄终端接收到基于目标按键的按压操作后，获取单元403会获取所述按压操作的按压压力值，拍摄终端可以持续通过获取单元403获取 按压压力值的变化大小，也可以每间隔预设时长通过获取单元403获取压力值的大小。
在另一种可能实现的方式中，获取单元403用于检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作的按压指纹信息。
具体实现中，拍摄终端接收到基于目标按键的按压操作后，获取单元403会获取所述按压操作的按压指纹信息。
控制单元404，用于根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
在一种可能实现的方式中，按压参数为按压压力值，拍摄终端根据按压压力值和所述变焦位置区域对所述拍摄终端进行变焦控制。
所述控制单元包括判断单元4041和处理单元4042；
判断单元4041，用于判断获取到的按压压力值与预设阈值之间的关系。
具体实现中，拍摄终端获取到基于目标按键的按压压力值之后，判断单元4041会判断按压压力值的大小。当判断单元4041判断出按压压力值小于预设阈值时，会根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度。
当判断单元4041判断出按压压力值大于预设阈值时，拍摄终端会开启瞬时变焦功能，并获取预设的变焦倍数阈值。
处理单元4042，用于在获取到按压压力值对应变焦倍数后，根据变焦倍数对拍摄终端进行变焦处理。
具体实现中，当判断单元4041判断出按压压力值小于预设阈值时，处理单元4042根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度，并根据所述变焦速度和用户基于目标按键的按压时长获取到拍摄终端的变焦倍数。处理单元4042根据所述变焦倍数对扩大取景范围或所述取景范围，其中，取景范围的中心为所述变焦位置区域。
当判断单元4041判断出按压压力值小于预设阈值时，拍摄终端会开启瞬时变焦功能，处理单元4042会获取预设的变焦倍数阈值，所述变焦倍数预设为拍摄终端可支持的最大变焦倍数，当调节至最大变焦倍数后，处理单元4042也可以接收用户的操作对变焦倍数进行调整。
在另一种可能实现的方式中，按压参数为按压指纹信息，拍摄终端根据按 压指纹信息和所述变焦位置区域对所述拍摄终端进行变焦控制。
所述控制单元包括判断单元4041和处理单元4042；
判断单元4021，用于判断获取到的按压指纹信息是否与预设指纹信息相匹配。
具体实现中，判断单元4021判断出获取到的按压指纹信息与预设指纹信息相匹配时，拍摄终端根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制，其中，预设指纹信息包括第一预设指纹信息和第二预设指纹信息，当判断单元4021判断出按压指纹信息与第一预设指纹信息相匹配时，拍摄终端变焦倍数增加。当判断单元4021判断出按压指纹信息与第二预设指纹信息相匹配时，拍摄终端变焦倍数减小。
处理单元4042，用于根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦处理。
具体实现中，当判断单元4042判断出按压指纹信息与第一预设指纹信息相匹配时，对所述拍摄终端进行第一变焦控制，所述拍摄终端在所述第一变焦控制后扩大取景范围；当判断单元4042判断出按压指纹信息与第二预设指纹信息相匹配时，对所述拍摄终端进行第二变焦控制，所述拍摄终端在所述第二变焦控制后缩小取景范围。
显示单元405，用于显示对所述拍摄终端进行变焦控制后拍摄到的图像
请参见图5，为本发明实施例提供了另一种拍摄终端的结构示意图。如图5所示，该拍摄终端包括：至少一个处理器501，输入设备503、输出设备504，存储器505，至少一个通信总线502。其中，通信总线502用于实现这些组件之间的连接通信。其中，存储器505可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)，例如至少一个磁盘存储器。存储器505可选的还可以是至少一个位于远离前述处理器501的存储装置。其中处理器501可以结合图4所描述的拍摄终端，存储器505中存储一组程序代码，且处理器501调用存储器505中存储的程序代码，用于执行以下操作：
当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态；
若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；
检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数；
根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行在所述拍摄界面上确定变焦位置区域时，具体用于执行以下步骤：
检测针对所述拍摄界面输入的触摸信号的触摸位置，并根据所述触摸位置显示变焦框，将所述变焦框中包含的区域确定为变焦位置区域。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制时，具体用于执行以下步骤：
根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度；
根据所述目标变焦速度和所述变焦位置区域对所述拍摄终端进行变焦控制。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行根据所述按压操作参数和所述变焦位置区域对拍摄终端进行变焦控制时，具体用于执行以下步骤：
检测所述按压压力值是否大于预设压力值；
若是，则获取预设的变焦倍数阈值，将拍摄终端的变焦倍数更改为所述预设的变焦倍数阈值；
根据所述预设的变焦倍数阈值和所述变焦位置区域对所述拍摄终端进行变焦控制。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制，具体用于执行以下步骤：
检测所述按压指纹信息是否与预设指纹信息相匹配，若是，则根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行检 测所述按压指纹信息是否预设指纹信息相匹配时，用于执行以下步骤：
若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域为中心对所述拍摄终端进行第一变焦控制，所述拍摄终端在所述第一变焦控制后扩大取景范围；
若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域为中心对所述拍摄终端进行第二变焦控制，所述拍摄终端在所述第二变焦控制后缩小取景范围。
在可选的实施例中，处理器501调用存储器505中存储的程序代码执行根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制之后，还用于执行以下步骤：
获取并显示对所述拍摄终端进行变焦控制后拍摄到的图像。
本发明实施例中所述单元，可以通过通用集成电路，例如CPU(Central Processing Unit，中央处理器)，或通过ASIC(Application Specific Integrated Circuit，专用集成电路)来实现。
本发明实施例的所述方法中的步骤可以根据实际需要进行顺序调整、合并和删减。
本发明实施例的所述终端中的模块或单元可以根据实际需要进行合并、划分和删减。
应当理解，在本发明实施例中，所称处理器可以是中央处理单元(Central Processing Unit，CPU)，该处理器还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field-Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
总线504可以是工业标准体系结构(Industry Standard Architecture，ISA)总线、外部设备互联(Peripheral Component，PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，EISA)总线等，该总线504可以分为地址总线、数据总线、控制总线等，为便于表示，图5仅用一条线表示，但并不表示仅有一根总线或一种类型的总线。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于计算机存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的计算机存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所揭露的仅为本发明部分实施例而已，当然不能以此来限定本发明之权利范围，因此依本发明权利要求所作的等同变化，仍属本发明所涵盖的范围。

Claims (10)

  1. 一种变焦控制方法，其特征在于，包括：
    当检测到拍摄终端的显示界面为拍摄界面时，判断所述拍摄终端中基于目标按键的变焦功能是否为开启状态；
    若所述变焦功能为开启状态，则在所述拍摄界面上确定变焦位置区域；
    检测在所述拍摄终端的目标按键上的按压操作，并获取按压操作参数；
    根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制。
  2. 根据权利要求1所述的方法，其特征在于，所述在所述拍摄界面上确定变焦位置区域，包括：
    检测针对所述拍摄界面输入的触摸信号的触摸位置；
    根据所述触摸位置显示变焦框；
    将所述变焦框中包含的区域确定为变焦位置区域。
  3. 根据权利要求1所述的方法，其特征在于，所述按压操作参数包括按压压力值；所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制，包括：
    根据预设的压力值与变焦速度的对应关系获取到所述按压压力值对应的目标变焦速度；
    根据所述目标变焦速度和所述变焦位置区域对所述拍摄终端进行变焦控制。
  4. 根据权利要求1所述的方法，其特征在于，所述按压操作参数包括按压压力值；所述根据所述按压操作参数和所述变焦位置区域对拍摄终端进行变焦控制，包括：
    检测所述按压压力值是否大于预设压力值；
    若是，则获取预设的变焦倍数阈值，并根据所述预设的变焦倍数阈值和所述变焦位置区域对所述拍摄终端进行变焦控制。
  5. 根据权利要求1所述的方法，其特征在于，所述按压操作参数包括按压指纹信息；
    所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制，包括：
    当检测到所述按压指纹信息与预设指纹信息相匹配时，根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制。
  6. 根据权利要求5所述的方法，其特征在于，所述当检测到所述按压指纹信息与预设指纹信息相匹配时，根据所述按压指纹信息和所述变焦位置区域对拍摄终端进行变焦控制，包括：
    若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域为中心对所述拍摄终端进行第一变焦控制，所述拍摄终端在所述第一变焦控制后扩大取景范围；
    若所述按压指纹信息与第一预设指纹信息相匹配，则以所述变焦位置区域为中心对所述拍摄终端进行第二变焦控制，所述拍摄终端在所述第二变焦控制后缩小取景范围。
  7. 根据权利要求1所述的方法，其特征在于，所述根据所述按压操作参数和所述变焦位置区域对所述拍摄终端进行变焦控制之后，还包括：
    获取并显示对所述拍摄终端进行变焦控制后拍摄到的图像。
  8. 一种装置，其特征在于，包括用于执行如权利要求1-7任一权利要求所述的方法的单元。
  9. 一种拍摄终端，其特征在于，包括处理器、输入设备、输出设备和存储器，所述处理器、输入设备、输出设备和存储器相互连接，其中，所述存储器用于存储计算机程序，所述计算机程序包括程序指令，所述处理器被配置用于调用所述程序指令，执行如权利要求1-7任一项所述的方法。
  10. 一种计算机可读存储介质，其特征在于，所述计算机存储介质存储有计算机程序，所述计算机程序包括程序指令，所述程序指令当被处理器执行时使所述处理器执行如权利要求1-7任一项所述的方法。
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CN115811659A (zh) * 2022-11-15 2023-03-17 青岛海信移动通信技术股份有限公司 一种拍照控制方法、装置、设备及存储介质

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