CN108650462B - Shooting preview display method, device, terminal and storage medium - Google Patents
Shooting preview display method, device, terminal and storage medium Download PDFInfo
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- CN108650462B CN108650462B CN201810457232.8A CN201810457232A CN108650462B CN 108650462 B CN108650462 B CN 108650462B CN 201810457232 A CN201810457232 A CN 201810457232A CN 108650462 B CN108650462 B CN 108650462B
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- flash lamp
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
Abstract
The embodiment of the application discloses a shooting preview display method, a shooting preview display device, a terminal and a storage medium, wherein the shooting preview display method comprises the following steps: when the device is in a shooting state, determining whether a flash lamp needs to be started; if the flash lamp is determined to be required to be started, acquiring working parameters of the flash lamp; compensating the preview picture acquired by the camera according to the working parameters of the flash lamp to obtain a compensated preview picture; and displaying the compensated preview picture. According to the shooting preview display method, the shooting preview display device, the terminal and the storage medium, a user can know the effect of starting a flash lamp to shoot a photo before shooting, and the use experience of the user is improved.
Description
Technical Field
The embodiment of the application relates to a digital imaging technology, in particular to a shooting preview display method, a shooting preview display device, a shooting preview display terminal and a storage medium.
Background
In order to improve the user experience, various terminal devices having a photographing function provide a photographing preview function. The user can preview the picture acquired by the camera on the terminal equipment so as to determine the shooting effect before formal shooting, and can observe the changed shooting effect in real time in the preview picture after changing the shooting parameters of the camera, so that the user can shoot more satisfactory photos or videos.
However, in the current terminal device, if the flash lamp is turned on during shooting, the user can only know how the effect of the shot picture is after shooting is completed, which affects the shooting experience of the user.
Disclosure of Invention
The application provides a shooting preview display method, a shooting preview display device, a shooting preview display terminal and a storage medium, which are used for enabling a user to know the effect of starting a flash lamp to shoot a photo before shooting.
In a first aspect, an embodiment of the present application provides a shooting preview display method, including:
when the device is in a shooting state, determining whether a flash lamp needs to be started;
if the flash lamp is determined to be required to be started, acquiring working parameters of the flash lamp;
compensating the preview picture acquired by the camera according to the working parameters of the flash lamp to obtain a compensated preview picture;
and displaying the compensated preview picture.
In a possible implementation manner of the first aspect, when in the shooting state, determining whether the flash needs to be turned on includes:
when the camera is in a shooting state, determining whether a flash lamp needs to be started according to the brightness of ambient light;
if the flash lamp needs to be started, acquiring working parameters of the flash lamp, wherein the working parameters comprise:
and if the ambient light brightness is lower than the preset brightness threshold, determining that the flash lamp needs to be started, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
In a possible implementation manner of the first aspect, when in the shooting state, determining whether the flash needs to be turned on includes:
when the camera is in a shooting state, determining whether a manual flash lamp switch is turned on;
if the flash lamp needs to be started, acquiring working parameters of the flash lamp, wherein the working parameters comprise:
and if the manual flash lamp switch is turned on, determining that the flash lamp needs to be turned on, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
In a possible implementation manner of the first aspect, compensating a preview picture acquired by a camera according to a working parameter of a flash to obtain a compensated preview picture includes:
and adjusting shooting parameters according to the working parameters of the flash lamp, then acquiring a preview picture, and compensating the preview picture to obtain a compensated preview picture.
In a possible implementation manner of the first aspect, the operating parameters of the flash include an operating time and a brightness of the flash.
In a second aspect, an embodiment of the present application provides a shooting preview display apparatus, including:
the flash lamp starting determining module is used for determining whether the flash lamp needs to be started or not when the camera is in a shooting state;
the flash lamp parameter acquisition module is used for acquiring working parameters of the flash lamp if the flash lamp is determined to be required to be started;
the preview picture compensation module is used for compensating the preview picture acquired by the camera according to the working parameters of the flash lamp to obtain a compensated preview picture;
and the preview picture display module is used for displaying the compensated preview picture.
In a possible implementation manner of the second aspect, the flash lamp turning-on determining module is specifically configured to determine whether a flash lamp needs to be turned on according to the brightness of ambient light when the camera is in a shooting state;
and the flash lamp parameter acquisition module is specifically used for determining that the flash lamp needs to be started if the ambient light brightness is lower than a preset brightness threshold value, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
In a possible implementation manner of the second aspect, the flash-light-on determining module is specifically configured to determine whether a manual flash light switch is turned on when the camera is in a shooting state;
and the flash lamp parameter acquisition module is specifically used for determining that the flash lamp needs to be started if the manual flash lamp switch is started, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
In a third aspect, an embodiment of the present application provides a terminal, including:
a memory, a processor and a computer program stored on the memory and operable on the processor, the processor executing the program to implement the capture preview display method according to any one of the possible implementations of the first aspect.
In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the shooting preview display method according to any one of the possible implementations of the first aspect.
According to the shooting preview display method, the shooting preview display device, the shooting preview display terminal and the storage medium, when the shooting state is achieved, whether the flash lamp needs to be started or not is determined, if the flash lamp needs to be started is determined, the working parameters of the flash lamp are obtained, the preview picture collected by the camera is compensated according to the working parameters of the flash lamp, the compensated preview picture is obtained, and the compensated preview picture is displayed, so that a user can know the effect of starting the picture shot by the flash lamp before shooting, the situation that the user is dissatisfied to the picture and shoots again after the flash lamp is started to shoot the picture is avoided, and the use experience of the user is improved.
Drawings
Fig. 1 is a flowchart of a first embodiment of a shooting preview display method provided in the present application;
fig. 2 is a schematic structural diagram of a first shooting preview display apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Along with the development of hardware integration technology and optical technology, the volume of camera module has been developed very little, and various intelligent terminal all dispose at least one camera module at present, provide the function of shooing or making a video recording for the user. Various terminal devices with a shooting function, such as a digital camera, a digital video camera, a smart phone, a tablet computer, and the like, have a shooting preview function. The user can observe the picture obtained by the camera in real time in the display screen of the terminal equipment when the terminal equipment is used for shooting or shooting, great convenience is provided for the user to shoot, and the user can shoot photos or videos with better effect and more satisfaction.
In order to improve the effect of taking a picture in dark light, a flash lamp is often used in the terminal device, and the flash lamp is a light source capable of emitting bright light in a short time and is generally disposed near a camera module of the terminal device. The flash lamp is turned on to take a picture when the light is dark, so that the brightness of a shot object in the picture can be improved, and the shooting effect of the picture is improved. However, the flash lamp flashes when the user presses or touches the photographing key, and the effect of the picture after the flash lamp is added can be known only after the photographing is finished, and the picture needs to be taken again if the photographing effect is not good.
Fig. 1 is a flowchart of a first embodiment of a shooting preview display method provided in an embodiment of the present application, and as shown in fig. 1, the method provided in this embodiment includes:
The shooting preview display method provided by the embodiment of the application is applied to any terminal equipment comprising a camera or a camera module, has the capability of shooting photos or videos, has a display screen, and can display shooting previews in the display screen. Such as digital cameras, digital video cameras, smart phones, tablet computers, and the like. And this terminal equipment disposes the flash light, can be by the manual flash light of opening of user or open the flash light automatically through detecting environment light, and the cooperation camera module accomplishes and shoots.
When a user needs to use the terminal device to take a picture, the terminal device needs to be in a shooting state, that is, a shooting mode is entered. After entering the shooting mode, a user can manually start the flash lamp to force the flash lamp to work, namely the manual flash lamp mode; or an automatic flash lamp mode can be set, and by acquiring the ambient light brightness, the terminal device determines to turn on the flash lamp when the ambient light brightness is lower than a preset brightness threshold.
And step 102, if the flash lamp needs to be started, acquiring working parameters of the flash lamp.
The flash is actually a light source that can be lit for a short time, and in order to operate the flash, after it is determined that the flash needs to be turned on, the operating parameters of the flash need to be determined. The operating parameters of the flash include, but are not limited to, the operating time and brightness of the flash, wherein the brightness of the flash can be adjusted by the operating power of the flash. The effect of using different operating parameters for the flash lamp on the pictures taken by the camera module is different.
If the manual flash lamp switch is determined to be turned on in the manual flash lamp mode, the terminal equipment determines that the flash lamp needs to be turned on, and then the working parameters of the flash lamp are acquired; if the flash lamp needs to be started in the automatic flash lamp mode according to the fact that when the ambient light brightness is lower than the preset brightness threshold value, the working parameters of the flash lamp are obtained.
And 103, compensating the preview picture acquired by the camera according to the working parameters of the flash lamp to obtain the compensated preview picture.
After the terminal equipment enters a photographing state, if the terminal equipment has a photographing preview function, a picture acquired by the camera can be displayed in real time in a display screen of the terminal equipment, namely, the preview picture is displayed. The user can determine whether the shooting requirement is met by checking the preview picture, and in the prior art, the content displayed by the preview picture is a picture acquired by the camera in real time and is determined only according to the physical parameters of the camera. In the embodiment of the application, if it is determined that the flash lamp needs to be turned on after the terminal device enters the shooting state, the picture acquired by the camera is not displayed in the preview picture, but the preview picture acquired by the camera is compensated by using the working parameters of the flash lamp after the working parameters of the flash lamp are determined, so that the compensated preview picture is obtained.
The flash lamp is used for improving the brightness of the ambient light during shooting, so that the working parameters of the flash lamp are used for compensating the preview picture acquired by the camera, namely the brightness of the preview picture is compensated, namely the brightness in the preview picture is improved. The compensation amount for compensating the preview picture is determined according to the working parameters of the flash lamp, the compensation amounts corresponding to different working parameters can be preset, and the compensation amounts can be calculated in real time according to the working parameters of the flash lamp. And after the preview picture is adjusted according to the compensation amount, the obtained compensated preview picture has the same effect as the picture obtained after the flash lamp is started to shoot the picture.
Further, when the terminal device shoots, if the flash lamp is turned on, the shooting parameters of the camera are also adjusted correspondingly due to the change of the brightness. However, when the preview is taken, although the actual shooting is not yet performed, the camera may be controlled to perform the slave adjustment according to the flash operation parameter after the flash operation parameter is determined in order to keep the preview screen coincident with the actual shot picture. The specific method for adjusting the camera is consistent with the adjustment method in actual shooting, and the difference is that the camera actually detects flash of a flash lamp and then adjusts shooting parameters according to the current brightness in the actual shooting. In the embodiment of the application, the acquired working parameters of the flash lamp are directly sent to the camera, and the camera performs compensation adjustment on the original shooting parameters according to the working parameters of the flash lamp. After the shooting parameters of the camera are adjusted, the preview picture collected by the camera is more in line with the state in actual shooting, so that the preview picture is compensated according to the working parameters of the flash lamp, and the obtained compensated preview picture is closer to the actually shot picture.
And 104, displaying the compensated preview picture.
After the preview picture is compensated, the compensated preview picture can be displayed in the display screen of the terminal equipment, and because the compensated preview picture is compensated according to the working parameters of the flash lamp, the compensated preview picture has the same effect as the picture shot after the flash lamp is actually turned on, a user can know whether the picture shot after the flash lamp is turned on is satisfactory or not in the preview picture, and the picture is actually shot after the effect is satisfactory, so that redundant shooting of the user is avoided.
According to the shooting preview display method provided by the embodiment of the application, when the shooting state is achieved, whether the flash lamp needs to be started or not is determined, if the flash lamp needs to be started is determined, the working parameters of the flash lamp are obtained, the preview picture collected by the camera is compensated according to the working parameters of the flash lamp, the compensated preview picture is obtained, and the compensated preview picture is displayed, so that a user can know the picture effect of starting the flash lamp for shooting before shooting, the situation that the user is unsatisfied to shoot again after the flash lamp is started for shooting is avoided, and the use experience of the user is improved.
Fig. 2 is a schematic structural diagram of a first shooting preview display apparatus according to an embodiment of the present application, and as shown in fig. 2, the shooting preview display apparatus according to the present embodiment includes:
a flash on determination module 21 for determining whether the flash needs to be turned on when in a shooting state.
And the flash lamp parameter acquiring module 22 is used for acquiring the working parameters of the flash lamp if the flash lamp is determined to need to be started.
And the preview picture compensation module 23 is configured to compensate the preview picture acquired by the camera according to the working parameter of the flash lamp, so as to obtain a compensated preview picture.
And a preview screen display module 24, configured to display the compensated preview screen.
The shooting preview display device provided by the embodiment of the application can execute the shooting preview display method provided by the embodiment shown in fig. 1, and has the corresponding functional modules and beneficial effects of the execution method.
Further, on the basis of the embodiment shown in fig. 2, the flash-on determining module 21 is specifically configured to determine whether to turn on the flash according to the brightness of the ambient light when the camera is in the shooting state; the flash lamp parameter obtaining module 22 is specifically configured to determine that a flash lamp needs to be turned on if the ambient light brightness is lower than a preset brightness threshold, and obtain a working parameter of the flash lamp according to a corresponding relationship between the ambient light brightness and the working parameter of the flash lamp.
Further, on the basis of the embodiment shown in fig. 2, the flash-on determining module 21 is specifically configured to determine whether the manual flash switch is turned on when in the shooting state; the flash lamp parameter obtaining module 22 is specifically configured to determine that a flash lamp needs to be turned on if the manual flash lamp switch is turned on, and obtain the operating parameters of the flash lamp according to the correspondence between the ambient light brightness and the operating parameters of the flash lamp.
Further, on the basis of the embodiment shown in fig. 2, the preview picture compensation module 23 is specifically configured to control the camera to adjust shooting parameters according to working parameters of the flash, collect a preview picture, and compensate the preview picture, so as to obtain a compensated preview picture.
Further, on the basis of the embodiment shown in fig. 2, the operating parameters of the flash include the operating time and brightness of the flash.
Fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present application, and as shown in fig. 3, the terminal includes a processor 31, a memory 32, a camera assembly 33, and a display 34; the number of the processors 31 in the terminal may be one or more, and one processor 31 is taken as an example in fig. 3; a processor 31, a memory 32 and a camera assembly 33 and a display screen 34 in the terminal; may be connected by a bus or other means, such as the bus connection shown in fig. 3.
The memory 32 is a computer readable storage medium, and can be used to store software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the shooting preview display method in the embodiment of fig. 1 of the present application (for example, the flash on determining module 21, the flash parameter acquiring module 22, the preview screen compensating module 23, and the preview screen displaying module 24 in the shooting preview display apparatus). The processor 31 implements the above-described shooting preview display method by executing software programs, instructions, and modules stored in the memory 32 to thereby apply various functions of the terminal and perform data processing.
The memory 32 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 32 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
The number of the camera assembly 33 may be one or more, and may be any form of camera or camera module, and the image may be captured under the control of the processor 31, and the preview image may be displayed on the display screen. The display screen 34 may be any form of display device or display module, and can display a preview picture acquired by a camera built in or outside the terminal device.
Embodiments of the present application also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for displaying a preview of a shot, the method including:
when the device is in a shooting state, determining whether a flash lamp needs to be started;
if the flash lamp is determined to be required to be started, acquiring working parameters of the flash lamp;
compensating the preview picture acquired by the camera according to the working parameters of the flash lamp to obtain a compensated preview picture;
and displaying the compensated preview picture.
Of course, the storage medium provided in the embodiments of the present application and containing computer-executable instructions is not limited to the method operations described above, and may also perform related operations in the shooting preview display method provided in any embodiments of the present application.
From the above description of the embodiments, it is obvious for those skilled in the art that the present application can be implemented by software and necessary general hardware, and certainly can be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.
It should be noted that, in the embodiment of the above search apparatus, each included unit and module are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A shooting preview display method is characterized by comprising the following steps:
when the device is in a shooting state, determining whether a flash lamp needs to be started;
if the flash lamp is determined to be required to be started, acquiring working parameters of the flash lamp;
compensating the brightness of a preview picture acquired by a camera according to the working parameters of the flash lamp to obtain a compensated preview picture;
and displaying the compensated preview picture.
2. The method of claim 1, wherein determining whether a flash needs to be turned on while in the capture state comprises:
when the camera is in a shooting state, determining whether a flash lamp needs to be started according to the brightness of ambient light;
if the flash lamp needs to be started, acquiring working parameters of the flash lamp, including:
and if the ambient light brightness is lower than the preset brightness threshold, determining that the flash lamp needs to be started, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
3. The method of claim 1, wherein determining whether a flash needs to be turned on while in the capture state comprises:
when the camera is in a shooting state, determining whether a manual flash lamp switch is turned on;
if the flash lamp needs to be started, acquiring working parameters of the flash lamp, including:
and if the manual flash lamp switch is turned on, determining that the flash lamp needs to be turned on, and acquiring the working parameters of the flash lamp according to the corresponding relation between the ambient light brightness and the working parameters of the flash lamp.
4. The method according to any one of claims 1 to 3, wherein the compensating the acquired preview picture according to the operating parameters of the flash lamp to obtain a compensated preview picture comprises:
and adjusting shooting parameters according to the working parameters of the flash lamp, then acquiring a preview picture, and compensating the preview picture to obtain a compensated preview picture.
5. The method according to any one of claims 1 to 3, wherein the operating parameters of the flash lamp comprise the operating time and brightness of the flash lamp.
6. A shooting preview display apparatus characterized by comprising:
the flash lamp starting determining module is used for determining whether the flash lamp needs to be started or not when the camera is in a shooting state;
the flash lamp parameter acquisition module is used for acquiring working parameters of the flash lamp if the flash lamp is determined to be required to be started;
the preview picture compensation module is used for compensating the brightness of a preview picture acquired by the camera according to the working parameters of the flash lamp to obtain a compensated preview picture;
and the preview picture display module is used for displaying the compensated preview picture.
7. The device according to claim 6, wherein the flash activation determination module is specifically configured to determine whether a flash needs to be activated according to ambient light brightness when the device is in a shooting state;
the flash lamp parameter obtaining module is specifically configured to determine that a flash lamp needs to be turned on if the ambient light brightness is lower than a preset brightness threshold, and obtain the operating parameters of the flash lamp according to the corresponding relationship between the ambient light brightness and the operating parameters of the flash lamp.
8. The device according to claim 6, wherein the flash on determination module is specifically configured to determine whether the manual flash switch is turned on when in the shooting state;
the flash lamp parameter obtaining module is specifically configured to determine that a flash lamp needs to be turned on if the manual flash lamp switch is turned on, and obtain the working parameters of the flash lamp according to the corresponding relationship between the ambient light brightness and the working parameters of the flash lamp.
9. A terminal, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the shot preview display method of any of claims 1 to 5.
10. A computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the shooting preview display method according to any one of claims 1 to 5.
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| CN104950555A (en) * | 2015-06-12 | 2015-09-30 | 联想(北京)有限公司 | Control method and electronic equipment |
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| US7262798B2 (en) * | 2001-09-17 | 2007-08-28 | Hewlett-Packard Development Company, L.P. | System and method for simulating fill flash in photography |
| US7471846B2 (en) * | 2003-06-26 | 2008-12-30 | Fotonation Vision Limited | Perfecting the effect of flash within an image acquisition devices using face detection |
| CN101204083A (en) * | 2005-03-07 | 2008-06-18 | 德克索实验室 | Method of controlling an action, such as a sharpness modification, using a colour digital image |
| CN105227823A (en) * | 2014-06-03 | 2016-01-06 | 维科技术有限公司 | The image pickup method of mobile terminal and device thereof |
| CN106534707A (en) * | 2015-09-14 | 2017-03-22 | 中兴通讯股份有限公司 | Photographing method and device |
| CN106375677A (en) * | 2016-10-08 | 2017-02-01 | 珠海格力电器股份有限公司 | Method and system for controlling flash lamp of electronic device |
| CN106791460A (en) * | 2016-11-23 | 2017-05-31 | 滁州昭阳电信通讯设备科技有限公司 | The method and mobile terminal of a kind of brightness of flash lamp control |
| CN106791203A (en) * | 2017-02-27 | 2017-05-31 | 维沃移动通信有限公司 | The control method and mobile terminal of a kind of photographic flashing function |
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| CN103971547A (en) * | 2014-05-30 | 2014-08-06 | 深圳市中兴移动通信有限公司 | Mobile-terminal-based photography simulation teaching method and system |
| CN104950555A (en) * | 2015-06-12 | 2015-09-30 | 联想(北京)有限公司 | Control method and electronic equipment |
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