CN111201774A - Zooming control method and device and shooting terminal - Google Patents
Zooming control method and device and shooting terminal Download PDFInfo
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- CN111201774A CN111201774A CN201780095812.0A CN201780095812A CN111201774A CN 111201774 A CN111201774 A CN 111201774A CN 201780095812 A CN201780095812 A CN 201780095812A CN 111201774 A CN111201774 A CN 111201774A
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- 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
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Abstract
The embodiment of the invention discloses a zoom control method, a zoom control device and a shooting terminal, wherein the method comprises the following steps: when the display interface of the shooting terminal is detected to be the shooting interface, judging whether a zooming function based on a target key in the shooting terminal is in an open state or not; if the zooming function is in an opening state, determining a zooming position area on the shooting interface; detecting a pressing operation on a target key of the shooting terminal and acquiring a pressing operation parameter; and carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area. By adopting the embodiment of the invention, the user can complete the zoom control of the shooting terminal by only pressing the target key with one hand, thereby solving the problem that the user can complete the zoom control only by operating with two hands and being convenient for the user to quickly and conveniently carry out the zoom control on the shooting terminal.
Description
The invention relates to the technical field of electronics, in particular to a zoom control method and device and a shooting terminal.
The shooting terminals such as mobile phones and tablet computers with cameras can meet the requirements of users for shooting in any occasion and at any time. In the shooting process of a user, the zooming of the shooting terminal is one of key factors for ensuring that the user shoots clear pictures and videos, and therefore the zooming control of the shooting terminal is an indispensable step in the shooting process.
Currently, in the process of adjusting the zoom factor of a shooting terminal, a user needs to hold the shooting terminal with one hand, two fingers of the other hand slide on a shooting interface of the shooting terminal, the shooting terminal identifies the operation of the two fingers on the interface, and the zoom factor of the shooting terminal is adjusted according to the change of the distance between the two fingers. When the distance between the two fingers is increased, the zoom factor is increased, so that the view range is reduced, the shot object is enlarged, and when the distance between the two fingers is reduced, the zoom factor is reduced, so that the view range is enlarged, and the shot object is reduced.
Although the zoom control of the shooting terminal can be realized by the scheme, the zoom control can be completed only by cooperation of two hands of a user, and the shooting terminal also needs to detect the sliding operation of the fingers of the user on the shooting interface for many times, so that the process is complicated.
Disclosure of Invention
The embodiment of the invention provides a zoom control method, a zoom control device and a shooting terminal, which can be convenient for a user to quickly control the zoom of the shooting terminal.
A first aspect of an embodiment of the present invention provides a zoom control method, including:
when the display interface of the shooting terminal is detected to be the shooting interface, judging whether a zooming function based on a target key in the shooting terminal is in an open state or not;
if the zooming function is in an opening state, determining a zooming position area on the shooting interface;
detecting a pressing operation on a target key of the shooting terminal and acquiring a pressing operation parameter;
and carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area.
In one possible implementation manner, the determining a zoom position area on the shooting interface includes:
detecting a touch position of a touch signal input for the shooting interface;
displaying a zoom frame according to the touch position;
determining an area included in the zoom frame as a zoom position area.
In one possible implementation, the pressing operation parameter includes a pressing pressure value;
the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:
acquiring a target zooming speed corresponding to the pressing pressure value according to a corresponding relation between a preset pressure value and the zooming speed;
and carrying out zooming control on the shooting terminal according to the target zooming speed and the zooming position area.
In one possible implementation, the pressing operation parameter includes a pressing pressure value;
the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:
detecting whether the pressing pressure value is larger than a preset pressure value or not;
if so, acquiring a preset zoom factor threshold value, and changing the zoom factor of the shooting terminal into the preset zoom factor threshold value;
and zooming control is carried out on the shooting terminal according to the preset zooming multiple threshold value and the zooming position area.
In one possible implementation, the press operation parameter includes press fingerprint information;
the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:
and when the fact that the pressing fingerprint information is matched with preset fingerprint information is detected, zooming control is conducted on the shooting terminal according to the pressing fingerprint information and the zooming position area.
In a possible implementation manner, when it is detected that the pressing fingerprint information matches preset fingerprint information, performing zoom control on the shooting terminal according to the pressing fingerprint information and the zoom position area includes:
if the pressing fingerprint information is matched with first preset fingerprint information, carrying out first zooming control on the shooting terminal by taking the zooming position area as a center, and expanding a framing range after the first zooming control is carried out on the shooting terminal;
and if the pressing fingerprint information is matched with the first preset fingerprint information, carrying out second zooming control on the shooting terminal by taking the zooming position area as a center, and reducing the framing range of the shooting terminal after the second zooming control.
In one possible implementation manner, after performing zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area, the method further includes:
and acquiring and displaying an image shot after the zoom control is performed on the shooting terminal.
A second aspect of an embodiment of the present invention provides an apparatus, including:
the device comprises a detection unit and a control unit, wherein the detection unit is used for judging whether a zooming function based on a target key in the shooting terminal is in an open state or not when detecting that a display interface of the shooting terminal is a shooting interface.
And the determining unit is used for determining a zooming position area on the shooting interface when the zooming function is in an opening state.
And the acquisition unit is used for detecting the pressing operation on the target key of the shooting terminal and acquiring the pressing operation parameters.
And the control unit is used for carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area.
The apparatus provided in the second aspect of the embodiment of the present invention is configured to implement the zoom control method provided in the first aspect of the embodiment of the present invention, and specific implementation processes may refer to specific descriptions of the first aspect of the embodiment of the present invention, which are not described herein again.
A third aspect of the present embodiment provides another shooting terminal, including a processor, an input device, an output device, and a memory, where the processor, the input device, the output device, and the memory are connected to each other, where the memory is used to store a computer program, the computer program includes program instructions, and the processor is configured to call the program instructions to execute the method according to the first aspect of the present embodiment.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium, in which a computer program is stored, the computer program comprising program instructions that, when executed by a processor, cause the processor to perform the method according to the first aspect of embodiments of the present invention.
In the embodiment of the invention, when the shooting terminal detects that the display interface is the shooting interface, whether the zooming function based on the target key is in an open state or not is judged, and if the zooming function based on the target key is in the open state, the zooming position area is determined on the shooting interface. The shooting terminal detects the pressing operation on the target key, acquires the pressing operation parameters and performs zooming control according to the pressing operation parameters and the zooming position area.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
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 of another zoom control method according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a shooting terminal according to an embodiment of the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The shooting terminal related to the embodiment of the invention can include but is not limited to electronic equipment such as a smart phone and a palm 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 Black Berry operating system, a Windows Phone8 operating system, and the like, which is not limited in the embodiment of the present invention.
Referring to fig. 1, a flow chart of a zoom control method according to an embodiment of the present invention is shown, where the method includes:
s101, when the display interface of the shooting terminal is detected to be the shooting interface, whether the zooming function based on the target key in the shooting terminal is in an opening state or not is judged.
Specifically, the shooting interface is an interface for displaying an image acquired by a camera in a shooting terminal after the camera is turned on, and the camera may be a front camera or a rear camera. When the current display page of the shooting terminal is a shooting page, a user can input a shooting or video recording instruction, and after the shooting terminal receives the instruction input by the user, shooting or video recording control is completed. It should be noted that the target key may be an entity key, including but not limited to a home key, a screen lock key, a volume adjustment key, etc.; it may also be a virtual key, such as a key for zoom control provided under the camera interface.
When the shooting terminal detects that the current display page is a shooting interface, whether the zooming function based on the target key is in an open state or not is judged. When it is detected that the zoom function is in an on state, step S102 is executed, and when it is detected that the zoom function based on the target key is not on, the user may turn on the zoom function based on the target key in the following manner.
In one possible implementation, the user selects to turn on the zoom function based on the target key among the function options of the shooting interface.
In a possible implementation manner, the user sets the manner of starting the zoom function based on the target key to be a fingerprint identification manner, the user inputs fingerprint information in a fingerprint identification area, and if the input fingerprint information matches with preset fingerprint information, the zoom function based on the target key is started.
In a possible implementation manner, the manner in which the user sets the zoom function based on the target key to be turned on is a pressure-sensitive identification manner, the user performs a pressing operation in a pressure-sensitive identification area, and if a pressing pressure value of the pressing operation is greater than a preset threshold value, the zoom function based on the target key is turned on.
It should be noted that the manner in which the shooting terminal turns on the zoom function based on the target key includes, but is not limited to, the above manner.
And S102, if the zooming function is in an opening state, determining a zooming position area on the shooting interface.
Specifically, when the shooting terminal detects that the shooting function based on the target key is turned on, a zoom position area is determined on the shooting interface. The zoom position area is preset as a central area of the shooting interface, the area of the area can be a preset value of a terminal, and a user can modify the area in the setting interface.
When a touch signal input by a user for a shooting interface is received, the touch position of the touch signal is acquired, a shooting terminal displays a zoom frame by taking the touch position as a center, and an area contained in the zoom frame is determined as a zoom position area. It should be noted that the shape of the zoom frame includes, but is not limited to, a square, a rectangle, a diamond, etc., and the area of the zoom frame may be set according to the size of the display screen of the different shooting terminals, which is not limited in the embodiment of the present invention.
It should be noted that, if the user needs to readjust the position of the zoom frame, the user may input a touch signal to the shooting interface again, and the shooting terminal redisplays the zoom frame according to the position of the touch signal, or the user inputs a slide instruction for the zoom frame, and the shooting terminal displays the zoom frame at the position where the slide instruction ends.
S103, detecting the pressing operation on the target key of the shooting terminal, and acquiring the pressing operation parameters.
Specifically, after the zoom position area is determined, the photographing terminal continuously detects whether the user applies a pressing operation on the target key, and when the photographing terminal detects the pressing operation of the user, acquires a pressing parameter of the pressing operation. In one possible implementation, the compression parameter includes a compression pressure value, and in another possible implementation, the compression parameter includes compression fingerprint information.
And S104, carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area.
Specifically, after the shooting terminal obtains the pressing operation of the user on the target key, the shooting terminal obtains the pressing parameters of the pressing operation, obtains the zooming multiple of zooming according to the pressing parameters, and performs zooming control on the shooting terminal according to the zooming multiple by taking the zooming position area as the center.
In a possible implementation manner, the pressing parameter includes a pressing pressure value, after the shooting terminal acquires the pressing pressure value, a target zoom speed corresponding to the pressing pressure value is acquired according to a preset corresponding relationship between the pressure value and the zoom speed, and the shooting terminal performs zoom control according to the target zoom speed. The corresponding relationship between the pressure value and the zoom speed may be configured when leaving a factory, and the user may also perform corresponding modification in the setting interface according to different use scenarios. For example, the pressing pressure value acquired by the shooting terminal is 0.1 n, and the target zoom speed corresponding to 0.1 n is increased by 2 times of zoom times per second. The zoom factor is increased by 2 times every 1 second for the pressing operation of the target key by the user. And the shooting terminal increases the zoom multiple by 2 per second to realize zoom control, wherein the central area of the zoom control is the zoom position area.
In a possible implementation manner, the pressing parameter includes a pressing pressure value, after the shooting terminal obtains the pressing pressure value, a target zoom multiple corresponding to the pressing pressure value is obtained according to a preset corresponding relationship between the pressure value and the zoom multiple, and the shooting terminal performs zoom control according to the target zoom multiple. The corresponding relationship between the pressure value and the zoom multiple may be configured when leaving a factory, and the user may also perform corresponding modification in the setting interface according to different use scenarios. For example, the pressing pressure value acquired by the shooting terminal is 0.1 n, and the target zoom multiple corresponding to 0.1 n is 3 times zoom, so that the shooting terminal adjusts the zoom multiple to 3 times zoom. And the shooting terminal adjusts the zooming multiple to 3 times to realize zooming control, wherein the central area of the zooming control is the zooming position area.
In a mode that can realize, press the parameter including pressing fingerprint information, when the shooting terminal detects that the fingerprint information of pressing of user input matches with first preset fingerprint information, reduce the multiple of zooming to reduce the size of shooing the object, enlarge the scope of finding a view, when the shooting terminal detects that the fingerprint information of pressing of user input matches with second preset fingerprint information, increase the multiple of zooming, thereby enlarge the size of shooing the object, reduce the scope of finding a view. Wherein a central area of the viewing range is the zoom position area. It should be noted that the speed of increasing the zoom factor or decreasing the zoom factor in the above implementation is a preset value of the shooting terminal, and is not limited herein. And when the shooting terminal finishes the zoom control, displaying the image shot after the zoom control in the shooting interface.
In the embodiment of the invention, when the shooting terminal detects that the display interface is the shooting interface, whether the zooming function based on the target key is in an open state or not is judged, and if the zooming function based on the target key is in the open state, the zooming position area is determined on the shooting interface. According to the embodiment of the invention, a user can complete zoom control on the shooting terminal only by pressing the target key with one hand, the problem that the user can complete zoom control only by operating with two hands is solved, and the user can conveniently and quickly carry out zoom control on the shooting terminal.
Referring to fig. 2, a flow chart of another zoom control method according to an embodiment of the present invention is shown, where the method includes:
s201, when the display interface of the shooting terminal is detected to be the shooting interface, judging whether the zooming function based on the target key in the shooting terminal is in an opening state.
Specifically, the target key may be an entity key, including but not limited to a home key, a screen lock key, a volume adjustment key, and the like, or may be a virtual key, such as a virtual key for zoom control set under a shooting interface. The shooting terminal detects whether a zoom function based on a target key is started or not under a shooting interface, if the zoom function is in an open state, step S202 is executed, and if the zoom function is not started, optionally, the process is ended, or whether the zoom function is started or not is continuously detected, or a user adopts other modes to realize zoom control, for example, the user realizes zoom control by sliding two fingers on the shooting interface, or the user clicks a preset zoom multiple increasing and reducing key on the terminal to realize zoom control.
S202, the shooting terminal determines a zoom position area on the shooting interface.
Specifically, the shooting terminal acquires a touch position of an touch signal input by a user for a shooting interface, displays a zoom frame by taking the touch position as a center, and determines an area contained in the zoom frame as a zoom position area.
S203, the shooting terminal detects the pressing operation based on the target key and acquires the pressing pressure value of the pressing operation.
Specifically, after receiving a pressing operation based on a target key, the shooting terminal may obtain a pressing pressure value of the pressing operation, and the shooting terminal may continuously detect a change of the pressure value, or may obtain the pressure value every preset time interval, where the preset time interval may be 0.1 second, 0.2 second, or 0.5 second, and the like, and the embodiment of the present invention is not limited.
And S204, carrying out zoom control by the shooting terminal according to the pressing pressure value and the zoom position area.
Specifically, after the shooting terminal acquires the pressing pressure value based on the target key, the size of the pressing pressure value is detected. When the shooting terminal judges that the pressing pressure value input by the user is smaller than the preset threshold value, the target zooming speed corresponding to the pressing pressure value is obtained according to the corresponding relation between the preset pressure value and the zooming speed. The corresponding relation between the pressure value and the zoom speed can be the zoom speed corresponding to the pressure value after the approximate processing, if the obtained pressure values are approximate to integers, the obtained pressure values are 1.2 cows, 1.3 cows and 1.4 cows, the obtained result after the approximate rounding is 1 cow, and then the shooting terminal obtains the target zoom speed corresponding to 1 cow; or, one pressure value interval may correspond to one zoom speed, for example, the same target zoom speed corresponds to pressure values of 1 to 2 newtons, and a specific corresponding relationship between the pressure values and the zoom speed is not limited in the embodiment of the present invention. After the shooting terminal obtains a target zooming speed corresponding to the pressing pressure value, the zooming times of the shooting terminal can be obtained according to the zooming speed and the pressing duration of the pressing operation of the user based on the target key. And the zooming multiple is the product of zooming speed and pressing duration, and the framing range is expanded or narrowed according to the zooming multiple, wherein the center of the framing range is the zooming position area.
For example, the pressing duration of the pressing operation of the target key by the user is 2 seconds, the preset threshold is 10 newtons, the shooting terminal obtains the pressing pressure value input by the user every 1 second, the shooting terminal obtains the pressing pressure values of 0.5 newton and 0.1 newton at the touch operation start time and 1 second time, the corresponding zoom speeds of the shooting terminal are respectively 2 times zoom times increased per second and 1 time zoom times decreased per second, if the initial zoom time is 1 time, the zoom time after 1 second is changed into 3 times, and the zoom time after two seconds is changed into 2 times. When the zoom factor is changed from 1 to 3, the image centered on the zoom frame is enlarged and the finder range is also reduced, and when the zoom factor is changed from 3 to 1, the image centered on the zoom frame is reduced and the finder range is also expanded.
After the shooting terminal acquires the pressing pressure value, when the pressing pressure value is determined to be greater than or equal to the preset threshold value, the instant zooming function is started, the shooting terminal acquires the preset zooming multiple threshold value, the zooming multiple threshold value can be the maximum zooming multiple which can be supported by the shooting terminal, and after the maximum zooming multiple is adjusted, a user can adjust the zooming multiple by applying a smaller pressure value. It should be noted that the user may also modify the preset zoom factor threshold.
For example, the maximum zoom factor that can be supported by the shooting terminal is 20 times, the preset threshold of the shooting terminal is 5 n, and a pressure value of 10 n is applied by the user based on the target key, then the shooting terminal determines that the pressure value applied by the user is greater than the preset threshold, and the shooting terminal can directly set the zoom factor to 20 times, and when the user wishes to reduce the zoom factor, the user can input a smaller pressure value, 0.1 n, which corresponds to a reduction of the zoom factor by 1 time per second, and then the adjustment of the zoom factor can be achieved. Or, if the zoom multiple threshold is modified to be 15 times in the setting interface by the user, when the shooting terminal judges that the pressure value applied by the user based on the target key is greater than the preset threshold, the zoom multiple is modified to be 15 times.
And S205, the shooting terminal acquires and displays the shot image after the zooming control.
Specifically, the shooting terminal displays the image shot in the zooming process in the shooting interface at intervals of preset time length, the preset time length may be configured in factory shipment, and a user may also perform corresponding modification in the setting interface according to different use scenes, which is not limited in the embodiment of the present invention.
For example, the zoom speed of the shooting terminal is increased by twice zoom times per second, the interval duration of the images shot in the zooming process in the shooting interface is 0.1 second, and the shooting effect when the zoom times are increased by 0.2 times can be displayed in the shooting interface every 0.1 second, so that a user can conveniently and accurately adjust the zoom times, and the shooting effect is better.
In the embodiment of the invention, when the shooting terminal detects that the current display interface is the shooting interface, whether the zooming function based on the target key is in an open state or not is judged; if the zooming function based on the target key is in an opening state, determining a zooming position area on the shooting interface; the shooting terminal detects pressing operation based on a target key, obtains a pressing pressure value of the pressing operation, carries out zooming control on the shooting terminal according to the pressing pressure value and the zooming position area, and obtains and displays an image shot after the zooming control is carried out on the shooting terminal. By implementing the method, the user can complete the zoom control of the shooting terminal by only pressing the target key with one hand, the problem that the user needs to operate with two hands to complete the zoom control is solved, and the user can conveniently and quickly perform the zoom control on the shooting terminal.
Referring to fig. 3, a flow chart of another zoom control method according to an embodiment of the present invention is shown, where the method includes:
s301, when the display interface of the shooting terminal is detected to be the shooting interface, judging whether the zooming function based on the target key in the shooting terminal is in an opening state.
Specifically, when it is detected that the display interface of the shooting terminal is the shooting interface, it is determined whether the zoom function based on the target key in the shooting terminal is in an on state, if the zoom function based on the target key is in the on state, step S302 is executed, and if the zoom function is in an off state, the process is optionally ended, or whether the zoom function based on the target key is on is continuously detected.
S302, the shooting terminal determines a zoom position area on the shooting interface.
Specifically, the shooting terminal detects a touch position of a touch signal input for the shooting interface, and displays a zoom frame at the touch position, wherein an area included in the zoom frame is a zoom position area.
S303, the shooting terminal detects the pressing operation based on the target key and acquires the pressing fingerprint information of the pressing operation.
Specifically, after detecting the pressing operation of the target key by the user, the shooting terminal acquires the pressing fingerprint information of the pressing operation, where the pressing fingerprint information may include, but is not limited to, fingerprint feature data, a fingerprint image, a fingerprint orientation, and the like of the user. The fingerprint information may be obtained by, but not limited to, optical sensors, pressure sensors, capacitance sensors, temperature sensors, infrared sensors, ultrasonic sensors, etc. The user fingerprint feature data may include: user fingerprint core point data, user fingerprint triangle point data and user fingerprint grain number data.
S304, detecting whether the pressing fingerprint information is matched with preset fingerprint information.
Specifically, after the shooting terminal acquires the pressing fingerprint information of the pressing operation of the user on the target key, whether the pressing fingerprint information is matched with the preset fingerprint information or not can be judged. It should be noted that the preset fingerprint information includes first preset fingerprint information and second preset fingerprint information. The preset fingerprint information needs the user to input, the user can input the fingerprint information of one finger as first preset fingerprint information, the fingerprint information of a plurality of fingers can be input as first preset fingerprint information, the user can input the fingerprint information of one finger as second preset fingerprint information, the user can input the fingerprint information of a plurality of fingers as second preset fingerprint information, and the fingerprint information of the same finger can not correspond to the first preset fingerprint information and the second preset fingerprint information at the same time. If the pressed fingerprint information matches the first preset fingerprint information, step S305 is executed, and if the pressed fingerprint information matches the first preset fingerprint information, step S306 is executed.
S305, the shooting terminal performs first zooming control, and a framing range is expanded after the first zooming control;
specifically, when the shooting terminal detects that fingerprint information input by a user is matched with first preset fingerprint information, first zooming control is performed, zooming times are reduced, the size of a shot object in an image is reduced, and a framing range is expanded, wherein the central area of the framing range is the zooming position area.
It should be noted that the specific speed for reducing the zoom factor may be configured at the time of factory shipment, or may be set by the user, and the shooting terminal may also continue to obtain a pressing pressure value input by the user based on the target key, and obtain the reduction speed of the zoom factor according to the corresponding relationship between the pressure value and the zoom speed, which is not limited in the embodiment of the present invention.
S306, carrying out second zoom control on the shooting terminal, and reducing the view finding range after the second zoom control;
specifically, when the shooting terminal detects that the fingerprint information input by the user is matched with second preset fingerprint information, the shooting terminal performs second zooming control to increase zooming times, so that the size of a shot object in an image is increased, and a framing range is reduced, wherein the central area of the framing range is the zooming position area.
It should be noted that the specific speed of increasing the zoom factor may be configured at the time of factory shipment, or may be set by the user, and the shooting terminal may also continue to obtain a pressing pressure value input by the user based on the target key, and obtain the increase speed of the zoom factor according to the corresponding relationship between the pressure value and the zoom speed. The embodiments of the present invention are not limited.
And S307, acquiring and displaying the image shot after the shooting terminal is subjected to zoom control.
Specifically, the shooting terminal displays the image shot in the zooming process in the shooting interface at intervals of preset time length, the preset time length may be configured in factory shipment, and a user may also perform corresponding modification in the setting interface according to different use scenes, which is not limited in the embodiment of the present invention.
In the embodiment of the invention, when the display interface of the shooting terminal is detected to be the shooting interface, whether the zooming function based on the target key in the shooting terminal is in an open state is judged; if the zooming function is in an opening state, determining a zooming position area on the shooting interface; the method comprises the steps that a shooting terminal detects pressing operation based on a target key and acquires pressing fingerprint information of the pressing operation, and if the pressing fingerprint information is matched with first preset fingerprint information, the shooting terminal performs first zooming control to enlarge a view finding range; if the fingerprint pressing information is matched with second preset fingerprint information, the shooting terminal performs second zooming control to narrow the view finding range; by implementing the method, the zoom factor can be adjusted by pressing the target key with one hand, and the zoom factor is increased or reduced according to different input fingerprints. The problem that the zoom control of the shooting terminal can be completed only by the operation of two hands of a user can be solved, and the zoom control of the shooting terminal can be conveniently and quickly performed by the user.
A photographing terminal according to an embodiment of the present invention will be described in detail with reference to fig. 4. It should be noted that the photographing terminal shown in fig. 4 is used for executing the method according to the embodiment of the present invention shown in fig. 1-3, for convenience of description, only the portion related to the embodiment of the present invention is shown, and specific technical details are not disclosed, and reference is made to the embodiment of the present invention shown in fig. 1-3.
Please refer to fig. 4, which is a schematic structural diagram of an apparatus according to the present invention; the apparatus 40 may include: a detection unit 401, a determination unit 402, an acquisition unit 403, and a control unit 404.
The detection unit 401 is configured to determine whether a zoom function based on a target key in the shooting terminal is in an on state when it is detected that a display interface of the shooting terminal is a shooting interface.
In a specific implementation, the detection unit 401 is configured to determine whether the zoom function based on the target key is in an on state when the shooting terminal detects that the current display page of the shooting terminal is a shooting interface. When the zoom function is detected to be in an open state, the shooting terminal determines a zoom position area on a shooting interface, when the zoom function is detected not to be open, a user selects to open the zoom function based on a target key in function options of the shooting interface, or the user sets a mode of opening the zoom function based on the target key to be a fingerprint identification mode, the user inputs fingerprint information in the fingerprint identification area, if the input fingerprint information is matched with preset fingerprint information, the zoom function based on the target key is opened, or the user sets the mode of opening the zoom function based on the target key to be a pressure identification mode, the user performs pressing operation in the pressure identification area, and if the pressing pressure value of the pressing operation is larger than a preset threshold value, the zoom function based on the target key is opened.
A determining unit 402, configured to determine a zoom position area on the shooting interface when the zoom function is in an on state.
In a specific implementation, 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 key is turned on. The zoom position area is defaulted to be a central area of a shooting interface, the size of the area can be a preset value of a terminal, and a user can modify the size in the setting interface. When a touch signal input by a user for the shooting interface is received, a touch point of the touch signal is obtained, the shooting terminal displays a zoom frame by taking the touch point as a center, and an area included in the zoom frame is determined as the zoom position area. If the user needs to readjust the position of the zoom frame, the user can click the shooting interface, and 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 frame at the position where the sliding instruction is finished.
An obtaining unit 403, configured to detect a pressing operation on a target key of the shooting terminal, and obtain a pressing operation parameter.
In a possible implementation manner, the obtaining unit 403 is configured to detect a pressing operation on a target key of the shooting terminal, and obtain a pressing pressure value of the pressing operation.
In a specific implementation, after the shooting terminal receives a pressing operation based on a target key, the obtaining unit 403 may obtain a pressing pressure value of the pressing operation, and the shooting terminal may continuously obtain a change of the pressing pressure value through the obtaining unit 403, or obtain the pressure value through the obtaining unit 403 every preset time interval.
In another possible implementation manner, the obtaining unit 403 is configured to detect a pressing operation on a target key of the shooting terminal, and obtain pressing fingerprint information of the pressing operation.
In a specific implementation, after the shooting terminal receives a pressing operation based on a target key, the obtaining unit 403 may obtain pressing fingerprint information of the pressing operation.
A control unit 404, configured to perform zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area.
In a possible implementation manner, the pressing parameter is a pressing pressure value, and the shooting terminal performs zoom control on the shooting terminal according to the pressing pressure value and the zoom position area.
The control unit comprises a judging unit 4041 and a processing unit 4042;
the determination unit 4041 is configured to determine a relationship between the acquired pressing pressure value and a preset threshold value.
In a specific implementation, after the shooting terminal acquires the pressing pressure value based on the target key, the determining unit 4041 determines the size of the pressing pressure value. When the determining unit 4041 determines that the pressing pressure value is smaller 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.
When the judging unit 4041 judges that the pressing pressure value is greater than the preset threshold value, the shooting terminal starts the instantaneous zooming function and obtains the preset zooming multiple threshold value.
And the processing unit 4042 is configured to perform zoom processing on the shooting terminal according to the zoom multiple after the obtained zoom multiple corresponding to the pressing pressure value.
In specific implementation, when the determination unit 4041 determines that the pressing pressure value is smaller than the preset threshold, the processing unit 4042 obtains a target zoom speed corresponding to the pressing pressure value according to a corresponding relationship between a preset pressure value and a zoom speed, and obtains a zoom multiple of the shooting terminal according to the zoom speed and a pressing duration of a user based on a target key. The processing unit 4042 enlarges the viewing range or the viewing range according to the zoom factor pair, where the center of the viewing range is the zoom position region.
When the judging unit 4041 judges that the pressing pressure value is smaller than the preset threshold, the shooting terminal starts the instantaneous zoom function, the processing unit 4042 acquires the preset zoom multiple threshold, the zoom multiple is preset as the maximum zoom multiple which can be supported by the shooting terminal, and after the maximum zoom multiple is adjusted, the processing unit 4042 can also receive the operation of the user to adjust the zoom multiple.
In another possible implementation manner, the pressing parameter is pressing fingerprint information, and the shooting terminal performs zoom control on the shooting terminal according to the pressing fingerprint information and the zoom position area.
The control unit comprises a judging unit 4041 and a processing unit 4042;
the determining unit 4021 is configured to determine whether the acquired pressing fingerprint information matches preset fingerprint information.
In specific implementation, when the judging unit 4021 judges that the acquired pressing fingerprint information matches preset fingerprint information, the shooting terminal performs zoom control on the shooting terminal according to the pressing fingerprint information and the zoom position area, wherein the preset fingerprint information includes first preset fingerprint information and second preset fingerprint information, and when the judging unit 4021 judges that the pressing fingerprint information matches the first preset fingerprint information, the zoom multiple of the shooting terminal is increased. When the judgment unit 4021 judges that the pressing fingerprint information matches the second preset fingerprint information, the zoom factor of the photographing terminal is reduced.
A processing unit 4042, configured to perform zoom processing on the shooting terminal according to the pressed fingerprint information and the zoom position area.
In a specific implementation, when the determining unit 4042 determines that the pressed fingerprint information matches first preset fingerprint information, performing first zoom control on the shooting terminal, and the shooting terminal expands a view finding range after the first zoom control; when the determining unit 4042 determines that the pressing fingerprint information matches second preset fingerprint information, second zoom control is performed on the shooting terminal, and the shooting terminal reduces the view finding range after the second zoom control.
A display unit 405 for displaying an image photographed after zoom-controlling the photographing terminal
Referring to fig. 5, a schematic structural diagram of another shooting terminal is provided in the embodiment of the present invention. As shown in fig. 5, the photographing terminal includes: at least one processor 501, an input device 503, an output device 504, a memory 505, at least one communication bus 502. Wherein a communication bus 502 is used to enable connective communication between these components. The memory 505 may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 505 may alternatively be at least one memory device located remotely from the processor 501. Wherein the processor 501 may 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 codes stored in the memory 505 for performing the following operations:
when the display interface of the shooting terminal is detected to be the shooting interface, judging whether a zooming function based on a target key in the shooting terminal is in an open state or not;
if the zooming function is in an opening state, determining a zooming position area on the shooting interface;
detecting a pressing operation on a target key of the shooting terminal and acquiring a pressing operation parameter;
and carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area.
In an alternative embodiment, the processor 501 calls the program code stored in the memory 505 to execute the following steps when determining the zoom position area on the shooting interface:
and detecting a touch position of a touch signal input aiming at the shooting interface, displaying a zoom frame according to the touch position, and determining an area contained in the zoom frame as a zoom position area.
In an alternative embodiment, when the processor 501 calls the program code stored in the memory 505 to perform zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area, the following steps are specifically performed:
acquiring a target zooming speed corresponding to the pressing pressure value according to a corresponding relation between a preset pressure value and the zooming speed;
and carrying out zooming control on the shooting terminal according to the target zooming speed and the zooming position area.
In an alternative embodiment, when the processor 501 calls the program code stored in the memory 505 to perform zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area, the following steps are specifically performed:
detecting whether the pressing pressure value is larger than a preset pressure value or not;
if so, acquiring a preset zoom factor threshold value, and changing the zoom factor of the shooting terminal into the preset zoom factor threshold value;
and zooming control is carried out on the shooting terminal according to the preset zooming multiple threshold value and the zooming position area.
In an alternative embodiment, the processor 501 calls a program code stored in the memory 505 to perform zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area, and is specifically configured to perform the following steps:
and detecting whether the pressing fingerprint information is matched with preset fingerprint information or not, and if so, carrying out zooming control on the shooting terminal according to the pressing fingerprint information and the zooming position area.
In an alternative embodiment, the processor 501 calls the program code stored in the memory 505 to execute the following steps when detecting whether the press fingerprint information matches the preset fingerprint information:
if the pressing fingerprint information is matched with first preset fingerprint information, carrying out first zooming control on the shooting terminal by taking the zooming position area as a center, and expanding a framing range after the first zooming control is carried out on the shooting terminal;
and if the pressing fingerprint information is matched with the first preset fingerprint information, carrying out second zooming control on the shooting terminal by taking the zooming position area as a center, and reducing the framing range of the shooting terminal after the second zooming control.
In an alternative embodiment, after the processor 501 calls the program code stored in the memory 505 to perform zoom control on the shooting terminal according to the pressing operation parameter and the zoom position area, the following steps are further performed:
and acquiring and displaying an image shot after the zoom control is performed on the shooting terminal.
The units in the embodiments of the present invention may be implemented by a general-purpose Integrated Circuit, such as a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC).
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The modules or units in the terminal of the embodiment of the invention can be combined, divided and deleted according to actual needs.
It should be understood that in the embodiments of the present invention, the Processor may be a Central Processing Unit (CPU), and the Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The bus 504 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like, and the bus 504 may be divided into an address bus, a data bus, a control bus, or the like, where fig. 5 is only one line for ease of illustration, but does not represent only one bus or one type of bus.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program, which may be stored in a computer storage medium and may include the processes of the embodiments of the methods described above when executed. The computer storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above disclosure is intended to be illustrative of only some embodiments of the invention, and is not intended to limit the scope of the invention.
Claims (10)
- A zoom control method, characterized by comprising:when the display interface of the shooting terminal is detected to be the shooting interface, judging whether a zooming function based on a target key in the shooting terminal is in an open state or not;if the zooming function is in an opening state, determining a zooming position area on the shooting interface;detecting a pressing operation on a target key of the shooting terminal and acquiring a pressing operation parameter;and carrying out zooming control on the shooting terminal according to the pressing operation parameters and the zooming position area.
- The method of claim 1, wherein determining a zoom position area on the capture interface comprises:detecting a touch position of a touch signal input for the shooting interface;displaying a zoom frame according to the touch position;determining an area included in the zoom frame as a zoom position area.
- The method of claim 1, wherein the compression operating parameter comprises a compression pressure value; the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:acquiring a target zooming speed corresponding to the pressing pressure value according to a corresponding relation between a preset pressure value and the zooming speed;and carrying out zooming control on the shooting terminal according to the target zooming speed and the zooming position area.
- The method of claim 1, wherein the compression operating parameter comprises a compression pressure value; the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:detecting whether the pressing pressure value is larger than a preset pressure value or not;if yes, acquiring a preset zooming multiple threshold value, and carrying out zooming control on the shooting terminal according to the preset zooming multiple threshold value and the zooming position area.
- The method of claim 1, wherein the press operation parameter comprises press fingerprint information;the zooming control of the shooting terminal according to the pressing operation parameters and the zooming position area comprises the following steps:and when the fact that the pressing fingerprint information is matched with preset fingerprint information is detected, zooming control is conducted on the shooting terminal according to the pressing fingerprint information and the zooming position area.
- The method according to claim 5, wherein when it is detected that the pressed fingerprint information matches preset fingerprint information, performing zoom control on the photographing terminal according to the pressed fingerprint information and the zoom position area comprises:if the pressing fingerprint information is matched with first preset fingerprint information, carrying out first zooming control on the shooting terminal by taking the zooming position area as a center, and expanding a framing range after the first zooming control is carried out on the shooting terminal;and if the pressing fingerprint information is matched with the first preset fingerprint information, carrying out second zooming control on the shooting terminal by taking the zooming position area as a center, and reducing the framing range of the shooting terminal after the second zooming control.
- The method according to claim 1, wherein after the zoom controlling of the photographing terminal according to the pressing operation parameter and the zoom position area, further comprising:and acquiring and displaying an image shot after the zoom control is performed on the shooting terminal.
- An apparatus comprising means for performing the method of any of claims 1-7.
- A camera terminal, characterized in that it comprises a processor, an input device, an output device and a memory, which are interconnected, wherein the memory is used to store a computer program comprising program instructions, and the processor is configured to invoke the program instructions to perform the method according to any one of claims 1 to 7.
- A computer-readable storage medium, characterized in that the computer storage medium stores a computer program comprising program instructions that, when executed by a processor, cause the processor to perform the method according to any of claims 1-7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/105588 WO2019071442A1 (en) | 2017-10-10 | 2017-10-10 | Zoom control method and device, and photographing terminal |
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| CN111201774A true CN111201774A (en) | 2020-05-26 |
| CN111201774B CN111201774B (en) | 2022-02-15 |
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| CN201780095812.0A Active CN111201774B (en) | 2017-10-10 | 2017-10-10 | Zooming control method and device and shooting terminal |
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| WO (1) | WO2019071442A1 (en) |
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| WO2019071442A1 (en) | 2019-04-18 |
| CN111201774B (en) | 2022-02-15 |
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