CN112804457A - Photographing parameter determination method and device and electronic equipment - Google Patents
Photographing parameter determination method and device and electronic equipment Download PDFInfo
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- CN112804457A CN112804457A CN202110030276.4A CN202110030276A CN112804457A CN 112804457 A CN112804457 A CN 112804457A CN 202110030276 A CN202110030276 A CN 202110030276A CN 112804457 A CN112804457 A CN 112804457A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
- H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
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Abstract
The embodiment of the disclosure discloses a photographing parameter determining method and device, electronic equipment and a computer readable storage medium. The photographing parameter determining method comprises the following steps: executing a photographing operation according to the first photographing parameter to obtain photographing duration; adjusting the first photographing parameter according to the photographing time; iterating the process of adjusting the first photographing parameter until an iteration end condition is reached; and determining the first photographing parameter obtained by the iteration as the photographing parameter. According to the method, the first photographing parameter is adjusted in an iterative manner through the photographing duration, and the technical problem that the photographing parameter is fixed and cannot be adjusted dynamically is solved.
Description
Technical Field
The present disclosure relates to the field of image processing, and in particular, to a method and an apparatus for determining a photographing parameter, an electronic device, and a computer-readable storage medium.
Background
Along with the continuous development of computer technology, the continuous progress of digital information and the accelerated updating of intelligent terminal equipment are caused, the intelligent terminal equipment such as tablet computers, mobile phones and electronic readers is widely popularized, the conventional intelligent terminal generally has a photographing function, and along with the fact that the photographing function on the intelligent terminal is stronger and stronger, a user is more inclined to use the intelligent terminal to photograph and record own daily life.
The current intelligent terminal is usually realized by using a system to shoot or a screen capture to shoot when the shooting function is realized. The system photographing is realized by calling a camera photographing API of the intelligent terminal, and the system photographing needs to obtain an original photo through the camera API at first, then carry out post-processing on the original photo and return the post-processed photo to a user; the screen shot is directly extracted from the screen preview data and returned to the user, and the speed is high, but the definition is not high. In actual use, the shooting mode and the definition are fixed, and the shooting speed and the picture definition can not be balanced through dynamic adjustment.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In a first aspect, an embodiment of the present disclosure provides a method for determining a photographing parameter, including:
executing a photographing operation according to the first photographing parameter to obtain photographing duration;
adjusting the first photographing parameter according to the photographing time;
iterating the process of adjusting the first photographing parameter until an iteration end condition is reached;
and determining the first photographing parameter obtained by the iteration as the photographing parameter.
In a second aspect, an embodiment of the present disclosure provides a photographing parameter determining apparatus, including:
the photographing time obtaining module is used for executing photographing operation according to the first photographing parameter to obtain photographing time;
the adjusting module is used for adjusting the first photographing parameter according to the photographing time;
the iteration module is used for iterating the process of adjusting the first photographing parameter until an iteration ending condition is reached;
and the parameter determining module is used for determining the first photographing parameter obtained by the iteration as the photographing parameter.
In a third aspect, an embodiment of the present disclosure provides an electronic device, including: at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the photographing parameter determining method of any of the first aspect.
In a fourth aspect, the present disclosure provides a non-transitory computer-readable storage medium, which stores computer instructions for causing a computer to execute the photographing parameter determining method according to any one of the first aspect.
In a fifth aspect, an embodiment of the present disclosure provides a computer program product including program code instructions for executing the photographing parameter determining method in any one of the first aspect.
The embodiment of the disclosure discloses a photographing parameter determining method and device, electronic equipment and a computer readable storage medium. The photographing parameter determining method comprises the following steps: executing a photographing operation according to the first photographing parameter to obtain photographing duration; adjusting the first photographing parameter according to the photographing time; iterating the process of adjusting the first photographing parameter until an iteration end condition is reached; and determining the first photographing parameter obtained by the iteration as the photographing parameter. According to the method, the first photographing parameter is adjusted in an iterative manner through the photographing duration, and the technical problem that the photographing parameter is fixed and cannot be adjusted dynamically is solved.
The foregoing is a summary of the present disclosure, and for the purposes of promoting a clear understanding of the technical means of the present disclosure, the present disclosure may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
Fig. 1 is a schematic flow chart of a method for determining a photographing parameter according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a further flowchart of the method for determining photographing parameters according to the embodiment of the present disclosure;
fig. 3 is a schematic diagram of a further flowchart of the method for determining photographing parameters according to the embodiment of the present disclosure;
fig. 4 is a schematic flowchart of a further photographing parameter determining method according to an embodiment of the present disclosure;
5a-5b are schematic diagrams of application scenarios of embodiments of the present disclosure;
fig. 6 is a schematic structural diagram of an embodiment of a photographing parameter determining apparatus provided in the embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of an electronic device provided according to an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order, and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
Fig. 1 is a flowchart of an embodiment of a photographing parameter determining method provided in this disclosure, where the photographing parameter determining method provided in this embodiment may be executed by a photographing parameter determining device, the photographing parameter determining device may be implemented as software, or implemented as a combination of software and hardware, and the photographing parameter determining device may be integrated in a certain device in a photographing parameter determining system, such as a photographing parameter determining server or a photographing parameter determining terminal device. As shown in fig. 1, the method comprises the steps of:
and step S101, executing the photographing operation according to the first photographing parameter to obtain the photographing time.
Wherein in this step, the first photographing parameter includes: photographing resolution and photographing mode.
Illustratively, the photographing mode comprises system photographing and screen shot photographing. The system photographing is to call a photographing API of a camera of the intelligent terminal to directly obtain an original photo, and the screen capture photographing is to extract an image frame from preview image data of a screen of the intelligent terminal to serve as a photographed photo.
When the system photographing mode is used, the photographing resolution is the resolution supported by the system photographing mode, and when the system photographing mode is used, one of the resolutions supported by the system photographing mode needs to be selected as an initial photographing resolution.
When the screen shot is used, the preview resolution is taken as the shooting resolution, the preview resolution of the intelligent terminal is not greater than the resolution of the screen, and illustratively, the resolution of the screen of the intelligent terminal is 1080 × 1920, and the preview resolution is 414 × 736.
Optionally, before the step S101, the method further includes:
step S201, determining a photographing mode according to the photographing mode selection signal;
step S202, a first photographing parameter is obtained according to the photographing mode.
Optionally, the photographing mode includes at least two photographing modes: a high-definition photographing mode and a common photographing mode. In the step S201, a photographing mode selection signal input by a user is obtained through a human-computer interaction interface, for example, a high definition mode or a normal mode is selected through a selection button to take a photograph. In different modes, the first photographing parameters are different; for example, in the high-definition photographing mode, the photographing mode in the first photographing parameter is photographing through the system photographing API, and the photographing resolution in the first photographing parameter is the maximum resolution which is the same as the aspect ratio of the screen among the photographing resolutions supported by the system; for the common photographing mode, the photographing mode in the first photographing parameter is to photograph through the system photographing API, and the photographing resolution in the first photographing parameter is the smallest resolution which is the same as the aspect ratio of the screen among the photographing resolutions supported by the system; or for the common photographing mode, the photographing mode in the first photographing parameter is to photograph through screen capture, and the photographing resolution in the first photographing parameter is the preview resolution of the screen.
Optionally, when the photographing mode is determined to be the high-definition photographing mode in step S201, as shown in fig. 3, the step S202 includes:
step S301, acquiring photographing resolution;
step S302, under the condition that the photographing resolution is less than or equal to the preview resolution, determining that the photographing mode is screen capture photographing;
step S303, determining the photographing mode to be system photographing under the condition that the photographing resolution is greater than the preview resolution.
In the above step S301 to step S303, first, a resolution list supported by the system is obtained to obtain a plurality of resolutions supported by the system; and then filtering the multiple resolutions supported by the system according to the aspect ratio of the preview resolution of the intelligent terminal or the aspect ratio of the screen to obtain the resolution of which the aspect ratio is not more than the aspect ratio of the preview resolution or the aspect ratio of the screen as candidate photographing resolution. Selecting the maximum photographing resolution from the candidate photographing resolutions as the photographing resolution; comparing the photographing resolution with a preview resolution, and if the photographing resolution is less than or equal to the preview resolution, determining that the photographing mode in the high-definition mode is screen capture photographing; and if the photographing resolution is greater than the preview resolution, determining that the photographing mode in the high-definition mode is system photographing.
Optionally, when the photographing mode is determined to be the normal photographing mode in step S201, as shown in fig. 4, the step S202 includes:
step S401, determining whether a system photographing mode is adopted;
step S402, if a system photographing mode is not adopted, determining that the photographing mode is the system photographing mode;
step S403, if the system photographing mode is adopted, determining the photographing mode and the photographing resolution according to the adopted result.
In the above steps S401 to S403, it is first determined whether to take a picture in a system picture mode before that; if not, setting a photographing mode as system photographing; if the result is adopted, the photographing mode and the photographing resolution are determined according to the adopted result.
Optionally, the photographing operation in step S101 is performed in a manner of taking a picture through a system. Optionally, after the photographing, the method further includes performing post-processing on the obtained original photo to obtain a processed photo, such as performing processing of beautifying, white balance, special effect, or the like on the photo.
Returning to fig. 1, the method for determining the photographing parameter further includes: and S102, adjusting the first photographing parameter according to the photographing time.
In this step, the first photographing parameter is dynamically adjusted through the first photographing duration obtained in step S101, where the first photographing duration is related to the performance of the intelligent terminal, so that the photographing performance and the photographing result can be balanced by adjusting the first photographing parameter.
As described in the step S202, in the case that the photographing mode is the high-definition photographing mode and the photographing mode is the system photographing, the step S102 includes:
and in response to the fact that the photographing time is larger than the high-definition photographing time threshold, reducing the photographing resolution.
The photographing time period includes a time period taken from the reception of the photographing instruction to the completion of photographing. The high-definition photographing time threshold is the longest time taken in the high-definition photographing mode, the longest time is a preset value, and is generally a value set according to the user experience angle, and the high-definition photographing time threshold is, for example, 2 seconds. In this optional embodiment, when the photographing time is greater than the high-definition photographing time threshold, the photographing resolution is decreased, where the decrease of the photographing resolution is to select a next resolution smaller than the current resolution from the candidate photographing resolutions screened in step S101.
As described in the step S202, in the case that the photographing mode is the normal photographing mode and the photographing mode is the system photographing mode, the step S102 includes:
in response to the photographing time being less than or equal to a common photographing time threshold, increasing the photographing resolution;
the common photographing time threshold is a photographing time threshold in the common mode, that is, the longest time taken in the common mode is a preset value, which is generally a value set according to the user experience angle. Illustratively, the common photographing duration threshold is, for example, 500 milliseconds. In this optional embodiment, when the photographing time is less than or equal to the common photographing time threshold, the photographing resolution is increased, where the increasing of the photographing resolution is to select a next resolution larger than the current resolution from the candidate photographing resolutions screened in step S101.
Returning to fig. 1, the method for determining the photographing parameters further includes, in step S103, iterating the process of adjusting the first photographing parameters until an iteration end condition is reached.
In this step, step S101 and step S102 are iteratively executed, so that the first photographing parameter is continuously adjusted according to the newly obtained photographing time, until a preset iteration ending condition is reached, and the iteration process is ended.
Optionally, the step S103 includes:
and iterating the process of adjusting the first photographing parameter until the photographing time meets a first preset condition and/or the first photographing parameter meets a second preset condition.
In this alternative embodiment, a plurality of preset conditions are set such that the iterative process ends when different preset conditions or combinations of preset conditions are met.
Optionally, in a case that the photographing mode is the high-definition photographing mode and the photographing mode is the system photographing, the step S103 includes:
and iterating the process of reducing the photographing resolution in response to the photographing time length being greater than the photographing time length threshold value until the photographing time length is less than or equal to the high-definition photographing time length threshold value or the photographing resolution reaches a first preset value.
This optional embodiment corresponds to the embodiment of reducing the shooting resolution in step S102, where the first preset value is the preview resolution or the first preset value is the lower limit of the resolution of the high-definition shooting mode. Optionally, when the first photographing parameter reaches a first preset value, that is, the photographing resolution is equal to or less than the preview resolution, ending the iteration process; optionally, when the first photographing parameter reaches the first preset value, the photographing resolution reaches the lower limit of the resolution in the high-definition photographing mode, and at this time, the iteration process is ended.
Optionally, in a case that the photographing mode is a common photographing mode and the photographing mode is a system photographing mode, the step S103 includes:
and iterating the above process of increasing the photographing resolution in response to the photographing time being less than or equal to the common photographing time threshold until the photographing time is greater than the common photographing time threshold.
This alternative embodiment corresponds to the embodiment of increasing the shooting resolution in step S102, in this step, when the shooting duration is greater than the ordinary shooting duration threshold, it indicates that the speed of shooting does not meet the requirement of the ordinary shooting duration, so that the iteration may be ended, and the shooting parameters may be further determined.
It will be appreciated that the above-described adjustment and iteration process is merely exemplary and is not limiting of the present disclosure.
Returning to fig. 1, the photographing parameter determining method further includes, in step S104, determining the first photographing parameter obtained by the iteration as the photographing parameter.
In this step, the final photographing parameters are determined in different ways according to the different situations in the above steps S101 to S103.
Optionally, when the photographing mode is the high-definition photographing mode and the photographing mode is the system photographing, in step S103, when the photographing duration obtained through iteration is less than or equal to the high-definition photographing duration threshold, it indicates that the requirement of the high-definition photographing mode can be met by using the current first photographing parameter, and at this time, the current first photographing parameter may be directly used as the final photographing parameter.
Optionally, when the photographing mode is the high-definition photographing mode and the photographing mode is the system photographing, in step S103, the two cases are divided into two cases. And if the photographing resolution reaches the lower limit of the resolution of the high-definition photographing mode, namely the requirement of the photographing speed cannot be met under the lowest resolution required by the high-definition photographing mode, taking the lowest resolution of the high-definition photographing mode as the final photographing resolution at the moment. If the photographing resolution is smaller than or equal to the preview resolution, the photographing mode is determined to be screen capture photographing, namely the preview resolution can meet the requirement on the resolution in the high-definition photographing mode, then the screen capture photographing is used for replacing the system photographing for photographing, and the screen capture photographing and the preview resolution are used as final photographing parameters.
Optionally, in a case that the photographing mode is a common photographing mode and the photographing mode is a system photographing mode, the step S104 includes:
acquiring a first photographing resolution obtained when the photographing time is greater than the common photographing time threshold;
acquiring a candidate resolution according to the first photographing resolution, wherein the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution;
when the candidate resolution is larger than the preview resolution used by the screen capture photographing mode, determining that the photographing parameters comprise system photographing and the candidate resolution;
and when the candidate resolution is smaller than the preview resolution used by the screen capture mode, determining that the photographing parameters comprise screen capture photographing and the preview resolution.
In the above step, the photographing time is greater than the common photographing time threshold, which indicates that the requirement of the common photographing mode cannot be met by using the current first photographing parameter, and at this time, a candidate resolution is obtained, where the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution. Optionally, after the candidate resolution is obtained, the candidate resolution may be compared with a preview resolution of the screen capture mode, and if the candidate resolution is greater than the preview resolution used in the screen capture mode, the screen capture mode is determined as the system capture mode, and the capture resolution is set as the candidate resolution. Optionally, if the candidate resolution is smaller than the preview resolution used by the screen capture mode, the screen capture mode is determined as the screen capture mode, and the shooting resolution is set as the preview resolution. Further, under the condition that the candidate resolution is larger than the preview resolution used by the screen capture mode, the current continuous up-to-standard times can be recorded, wherein the up-to-standard means that the time consumed by using the system photographing mode and the candidate resolution to perform the photographing operation is less than the threshold value of the common photographing time, and if the continuous up-to-standard times reach N times, wherein N is a positive integer, the candidate resolution is recorded and common photographing is performed by using the system photographing mode and the candidate resolution in the subsequent common photographing mode; and if the N times of continuous standard reaching are not reached, performing common photographing in a subsequent common photographing mode by using a screen capture photographing mode and the preview resolution.
Through the method in the steps S101 to S104, the photographing parameters used when the photographing is adjusted by the photographing duration obtained by performing the photographing operation, such as the photographing mode, the photographing resolution, and the like, can be adjusted dynamically according to the performance parameters of the intelligent terminal, so that the photographing operation can be performed with the photographing speed and the photographing quality. Fig. 5a to 5b show an application scenario of the photographing parameter determining method according to the present disclosure. As shown in fig. 5a, the user uses, for example, a smartphone as the photographing apparatus, and before performing the photographing operation, the options are displayed on the smartphone: high definition mode and normal mode. The user selects a set of photographing parameters to perform a photographing operation by selecting one of the modes.
As shown in fig. 5b, the method for determining the photographing parameters in the application scenario is described. When the photographing parameters are determined, after the high-definition mode is selected, candidate photographing resolutions are screened out according to the photographing resolution supported by the system and the aspect ratio of the preview resolution, the candidate photographing resolutions are arranged in the descending order, and the largest photographing resolution is selected as the photographing resolution for executing the photographing operation.
Then judging whether the photographing resolution is greater than the preview resolution, if not, determining a screen capture photographing mode in a high-definition mode and taking the preview resolution as a final photographing parameter; and if the preview resolution is larger than the preview resolution, photographing by using a system photographing mode, and counting the photographing time consumed by photographing.
And after the photographing time length is obtained, comparing whether the photographing time length is greater than a preset high-definition photographing time length threshold value or not, and if the photographing time length is not greater than the high-definition photographing time length threshold value, taking the photographing resolution as a final photographing resolution, namely determining a system photographing mode used in a high-definition mode and the final photographing resolution. If the photographing time is longer than the high-definition photographing time threshold, judging whether the photographing resolution reaches a resolution lower limit in a high-definition mode, if so, taking the resolution lower limit as a final photographing resolution, and determining a system photographing mode and the resolution lower limit in the high-definition mode; if the lower limit of the resolution ratio in the high-definition mode is not reached, the photographing resolution ratio is reduced, the resolution ratio lower than the resolution ratio used in the last photographing is selected from the candidate photographing resolution ratios, the process of obtaining the photographing time length is iterated until the photographing time length is not larger than the threshold value of the high-definition photographing time length or the photographing resolution ratio reaches the lower limit of the resolution ratio in the high-definition mode, in the iterative process, if the photographing resolution ratio is not larger than the preview resolution ratio, the screen capture photographing mode and the preview resolution ratio are directly skipped out for iteration, and therefore the final photographing parameters are determined.
When the photographing parameters are determined, after the common mode is selected, whether a system photographing mode is adopted is judged, if the system photographing mode is adopted, the requirement of common photographing cannot be met, and the screen capture photographing mode and the preview resolution are used as the photographing parameters. If not, the step of trying by adopting a system photographing mode is carried out.
When the system photographing mode is adopted in the normal mode, the photographing resolution is first determined, photographing operation is performed by using the system photographing mode, and the time consumed for photographing is counted.
After the photographing time length is obtained, judging whether the photographing time length is not greater than a common photographing time length threshold value or not; if the photographing time is not greater than the common photographing time threshold, the photographing resolution is increased in a mode that the resolution greater than the current photographing resolution is selected from the candidate photographing resolutions as the photographing resolution for performing the photographing operation next time; and then iterating the process of counting the photographing time until the photographing time is less than the common photographing time threshold.
When the photographing time is less than the common photographing time threshold, acquiring the last photographing resolution; judging whether the shooting resolution at the last time is greater than the preview resolution, and if not, determining that the screen capture mode and the preview resolution are used as final shooting parameters in the common mode; if the number of the times of the photographing operation is larger than the preview resolution, further judging whether the number of the times of the photographing operation reaches the standard for N times continuously, wherein the standard reaching means that the time consumed by carrying out the photographing operation by using a system photographing mode and the photographing resolution larger than the preview resolution is smaller than a common photographing time threshold; if the standard is reached for N times continuously, determining that a system photographing mode and the last photographing resolution are used as photographing parameters in a common mode; and if the standard is not reached for N times, determining that the screen capture mode and the preview resolution are used as final photographing parameters in the common mode.
The application scene of the photographing parameter determining method shows the determining method of the photographing parameter in practical application, and the method in the application scene can determine the optimal photographing parameter in a high-definition mode and a common mode, so that the photographing parameter gives consideration to the photographing speed and the photographing quality, and the balance between the performance and the quality is achieved.
The above embodiment discloses a method for determining photographing parameters, including: executing a photographing operation according to the first photographing parameter to obtain photographing duration; adjusting the first photographing parameter according to the photographing time; iterating the process of adjusting the first photographing parameter until an iteration end condition is reached; and determining the first photographing parameter obtained by the iteration as the photographing parameter. According to the method, the first photographing parameter is adjusted in an iterative manner through the photographing duration, and the technical problem that the photographing parameter is fixed and cannot be adjusted dynamically is solved.
In the above, although the steps in the above method embodiments are described in the above sequence, it should be clear to those skilled in the art that the steps in the embodiments of the present disclosure are not necessarily performed in the above sequence, and may also be performed in other sequences such as reverse, parallel, and cross, and further, on the basis of the above steps, other steps may also be added by those skilled in the art, and these obvious modifications or equivalents should also be included in the protection scope of the present disclosure, and are not described herein again.
Fig. 6 is a schematic structural diagram of an embodiment of a photographing parameter determining apparatus provided in the embodiment of the present disclosure, and as shown in fig. 6, the apparatus 600 includes: a photographing time obtaining module 601, an adjusting module 602, an iteration module 603 and a parameter determining module 604. Wherein the content of the first and second substances,
the photographing duration obtaining module 601 is configured to execute a photographing operation according to the first photographing parameter to obtain a photographing duration;
an adjusting module 602, configured to adjust the first photographing parameter according to the photographing duration;
an iteration module 603 configured to iterate the above-described process of adjusting the first photographing parameter until an iteration end condition is reached;
a parameter determining module 604, configured to determine the first photographing parameter obtained through the iteration as the photographing parameter.
Further, the photographing parameter determining apparatus 600 further includes:
the photographing mode selection module is used for determining a photographing mode according to the photographing mode selection signal; the photographing mode comprises a high-definition photographing mode and a common photographing mode;
the first photographing parameter acquiring module is used for acquiring a first photographing parameter according to the photographing mode; the first photographing parameters comprise photographing resolution and a photographing mode, wherein the photographing mode comprises system photographing and screen capture photographing.
Further, the iteration module 603 is further configured to:
and iterating the process of adjusting the first photographing parameter until the photographing time meets a first preset condition and/or the first photographing parameter meets a second preset condition.
Further, under the condition that the photographing mode is a high-definition photographing mode, the first photographing parameter obtaining module is further configured to:
acquiring photographing resolution;
determining the photographing mode to be screen capture photographing under the condition that the photographing resolution is less than or equal to the preview resolution;
and under the condition that the photographing resolution is greater than the preview resolution, determining that the photographing mode is system photographing.
Further, in a case that the photographing mode is a high-definition photographing mode and the photographing mode is system photographing, the adjusting module 602 is further configured to:
and in response to the fact that the photographing time is larger than the high-definition photographing time threshold, reducing the photographing resolution. Further, the iteration module 603 is further configured to:
and iterating the process of reducing the photographing resolution in response to the photographing time length being greater than the photographing time length threshold value until the photographing time length is less than or equal to the high-definition photographing time length threshold value or the photographing resolution reaches a first preset value.
Further, in the case of the common photographing mode, the first photographing parameter obtaining module is further configured to:
determining whether a system photographing mode is adopted;
if the system photographing mode is not adopted, determining that the photographing mode is the system photographing mode;
and if the system photographing mode is adopted, determining the photographing mode and the photographing resolution according to the adopted result.
Further, in a case that the photographing mode is a common photographing mode and the photographing mode is a system photographing mode, the adjusting module 602 is further configured to:
and increasing the photographing resolution in response to the photographing time being less than or equal to a common photographing time threshold.
Further, the iteration module 603 is further configured to:
and iterating the above process of increasing the photographing resolution in response to the photographing time being less than or equal to the common photographing time threshold until the photographing time is greater than the common photographing time threshold.
Further, the parameter determining module 604 is further configured to:
acquiring a first photographing resolution obtained when the photographing time is greater than the common photographing time threshold;
acquiring a candidate resolution according to the first photographing resolution, wherein the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution;
when the candidate resolution is larger than the preview resolution used by the screen capture photographing mode, determining that the photographing parameters comprise system photographing and the candidate resolution;
and when the candidate resolution is smaller than the preview resolution used by the screen capture mode, determining that the photographing parameters comprise screen capture photographing and the preview resolution.
The apparatus shown in fig. 6 can perform the method of the embodiment shown in fig. 1-4, and the detailed description of this embodiment can refer to the related description of the embodiment shown in fig. 1-4. The implementation process and technical effect of the technical solution refer to the descriptions in the embodiments shown in fig. 1 to fig. 4, and are not described herein again.
Referring now to fig. 7, a schematic diagram of an electronic device (e.g., a terminal device or server) 700 suitable for use in implementing embodiments of the present disclosure is shown. The terminal device in the embodiments of the present disclosure may include, but is not limited to, an intelligent terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), a wearable electronic device, and the like, and a stationary terminal such as a digital TV, a desktop computer, a smart home device, and the like. The electronic device shown in fig. 7 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 7, electronic device 700 may include a processing means (e.g., central processing unit, graphics processor, etc.) 701 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)702 or a program loaded from storage 708 into a Random Access Memory (RAM) 703. In the RAM 703, various programs and data necessary for the operation of the electronic apparatus 700 are also stored. The processing device 701, the ROM 702, and the RAM 703 are connected to each other by a bus 704. An input/output (I/O) interface 705 is also connected to bus 704.
Generally, the following devices may be connected to the I/O interface 705: input devices 706 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 707 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 708 including, for example, magnetic tape, hard disk, etc.; and a communication device 709. The communication means 709 may allow the electronic device 700 to communicate wirelessly or by wire with other devices to exchange data. While fig. 7 illustrates an electronic device 700 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer readable medium, the computer program containing program code for performing the method illustrated by the flow chart. In such embodiments, the computer program may be downloaded and installed from a network via the communication means 709, or may be installed from the storage means 708, or may be installed from the ROM 702. The computer program, when executed by the processing device 701, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: the photographing parameter determining method described in any of the above embodiments is performed.
Computer program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including but not limited to an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
According to one or more embodiments of the present disclosure, there is provided a photographing parameter determining method including:
executing a photographing operation according to the first photographing parameter to obtain photographing duration;
adjusting the first photographing parameter according to the photographing time;
iterating the process of adjusting the first photographing parameter until an iteration end condition is reached;
and determining the first photographing parameter obtained by the iteration as the photographing parameter.
Further, before the photographing operation is performed according to the first photographing parameter to obtain the photographing time, the method further includes:
determining a photographing mode according to the photographing mode selection signal; the photographing mode comprises a high-definition photographing mode and a common photographing mode;
acquiring a first photographing parameter according to the photographing mode; the first photographing parameters comprise photographing resolution and a photographing mode, wherein the photographing mode comprises system photographing and screen capture photographing.
Further, the iterating the process of adjusting the first photographing parameter until the iteration end condition is reached includes:
and iterating the process of adjusting the first photographing parameter until the photographing time meets a first preset condition and/or the first photographing parameter meets a second preset condition.
Further, in a case that the photographing mode is a high-definition photographing mode, the obtaining a first photographing parameter according to the photographing mode includes:
acquiring photographing resolution;
determining the photographing mode to be screen capture photographing under the condition that the photographing resolution is less than or equal to the preview resolution;
and under the condition that the photographing resolution is greater than the preview resolution, determining that the photographing mode is system photographing.
Further, when the photographing mode is a high-definition photographing mode and the photographing mode is system photographing, adjusting the first photographing parameter according to the photographing duration includes:
and in response to the fact that the photographing time is larger than the high-definition photographing time threshold, reducing the photographing resolution.
Further, the iterating the process of adjusting the first photographing parameter until the iteration end condition is reached includes:
and iterating the process of reducing the photographing resolution in response to the photographing time length being greater than the photographing time length threshold value until the photographing time length is less than or equal to the high-definition photographing time length threshold value or the photographing resolution reaches a first preset value.
Further, in a case that the photographing mode is a common photographing mode, the obtaining a first photographing parameter according to the photographing mode includes:
determining whether a system photographing mode is adopted;
if the system photographing mode is not adopted, determining that the photographing mode is the system photographing mode;
and if the system photographing mode is adopted, determining the photographing mode and the photographing resolution according to the adopted result.
Further, when the photographing mode is a common photographing mode and the photographing mode is a system photographing mode, adjusting the first photographing parameter according to the photographing duration includes:
and increasing the photographing resolution in response to the photographing time being less than or equal to a common photographing time threshold.
Further, the iterating the process of adjusting the first photographing parameter until the iteration end condition is reached includes:
and iterating the above process of increasing the photographing resolution in response to the photographing time being less than or equal to the common photographing time threshold until the photographing time is greater than the common photographing time threshold.
Further, the determining the first photographing parameter obtained by the iteration as the photographing parameter includes:
acquiring a first photographing resolution obtained when the photographing time is greater than the common photographing time threshold;
acquiring a candidate resolution according to the first photographing resolution, wherein the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution;
when the candidate resolution is larger than the preview resolution used by the screen capture photographing mode, determining that the photographing parameters comprise system photographing and the candidate resolution;
and when the candidate resolution is smaller than the preview resolution used by the screen capture mode, determining that the photographing parameters comprise screen capture photographing and the preview resolution.
According to one or more embodiments of the present disclosure, there is provided a photographing parameter determining apparatus including:
the photographing time obtaining module is used for executing photographing operation according to the first photographing parameter to obtain photographing time;
the adjusting module is used for adjusting the first photographing parameter according to the photographing time;
the iteration module is used for iterating the process of adjusting the first photographing parameter until an iteration ending condition is reached;
and the parameter determining module is used for determining the first photographing parameter obtained by the iteration as the photographing parameter.
Further, the photographing parameter determining apparatus further includes:
the photographing mode selection module is used for determining a photographing mode according to the photographing mode selection signal; the photographing mode comprises a high-definition photographing mode and a common photographing mode;
the first photographing parameter acquiring module is used for acquiring a first photographing parameter according to the photographing mode; the first photographing parameters comprise photographing resolution and a photographing mode, wherein the photographing mode comprises system photographing and screen capture photographing.
Further, the iteration module is further configured to:
and iterating the process of adjusting the first photographing parameter until the photographing time meets a first preset condition and/or the first photographing parameter meets a second preset condition.
Further, under the condition that the photographing mode is a high-definition photographing mode, the first photographing parameter obtaining module is further configured to:
acquiring photographing resolution;
determining the photographing mode to be screen capture photographing under the condition that the photographing resolution is less than or equal to the preview resolution;
and under the condition that the photographing resolution is greater than the preview resolution, determining that the photographing mode is system photographing.
Further, under the condition that the photographing mode is a high-definition photographing mode and the photographing mode is system photographing, the adjusting module is further configured to:
and in response to the fact that the photographing time is larger than the high-definition photographing time threshold, reducing the photographing resolution. Further, the iteration module is further configured to:
and iterating the process of reducing the photographing resolution in response to the photographing time length being greater than the photographing time length threshold value until the photographing time length is less than or equal to the high-definition photographing time length threshold value or the photographing resolution reaches a first preset value.
Further, in the case of the common photographing mode, the first photographing parameter obtaining module is further configured to:
determining whether a system photographing mode is adopted;
if the system photographing mode is not adopted, determining that the photographing mode is the system photographing mode;
and if the system photographing mode is adopted, determining the photographing mode and the photographing resolution according to the adopted result.
Further, under the condition that the photographing mode is a common photographing mode and the photographing mode is system photographing, the adjusting module is further configured to:
and increasing the photographing resolution in response to the photographing time being less than or equal to a common photographing time threshold.
Further, the iteration module is further configured to:
and iterating the above process of increasing the photographing resolution in response to the photographing time being less than or equal to the common photographing time threshold until the photographing time is greater than the common photographing time threshold.
Further, the parameter determination module is further configured to:
acquiring a first photographing resolution obtained when the photographing time is greater than the common photographing time threshold;
acquiring a candidate resolution according to the first photographing resolution, wherein the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution;
when the candidate resolution is larger than the preview resolution used by the screen capture photographing mode, determining that the photographing parameters comprise system photographing and the candidate resolution;
and when the candidate resolution is smaller than the preview resolution used by the screen capture mode, determining that the photographing parameters comprise screen capture photographing and the preview resolution.
According to one or more embodiments of the present disclosure, there is provided an electronic device including: at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executable by the at least one processor to enable the at least one processor to perform any of the photographing parameter determining methods described above.
According to one or more embodiments of the present disclosure, there is provided a non-transitory computer-readable storage medium storing computer instructions for causing a computer to execute any one of the above-described photographing parameter determination methods.
According to one or more embodiments of the present disclosure, there is provided a computer program product including program code instructions for executing any one of the photographing parameter determination methods described above.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Claims (14)
1. A photographing parameter determining method, comprising:
executing a photographing operation according to the first photographing parameter to obtain photographing duration;
adjusting the first photographing parameter according to the photographing time;
iterating the process of adjusting the first photographing parameter until an iteration end condition is reached;
and determining the first photographing parameter obtained by the iteration as the photographing parameter.
2. The method for determining photographing parameters according to claim 1, wherein before the performing the photographing operation according to the first photographing parameter to obtain the photographing duration, further comprising:
determining a photographing mode according to the photographing mode selection signal; the photographing mode comprises a high-definition photographing mode and a common photographing mode;
acquiring a first photographing parameter according to the photographing mode; the first photographing parameters comprise photographing resolution and a photographing mode, wherein the photographing mode comprises system photographing and screen capture photographing.
3. The method for determining photographing parameters according to claim 1, wherein iterating the process of adjusting the first photographing parameter until reaching an iteration end condition comprises:
and iterating the process of adjusting the first photographing parameter until the photographing time meets a first preset condition and/or the first photographing parameter meets a second preset condition.
4. The method for determining photographing parameters according to claim 2, wherein in a case that the photographing mode is a high-definition photographing mode, the obtaining the first photographing parameters according to the photographing mode comprises:
acquiring photographing resolution;
determining the photographing mode to be screen capture photographing under the condition that the photographing resolution is less than or equal to the preview resolution;
and under the condition that the photographing resolution is greater than the preview resolution, determining that the photographing mode is system photographing.
5. The method for determining photographing parameters according to claim 2, wherein when the photographing mode is a high-definition photographing mode and the photographing mode is a system photographing mode, the adjusting the first photographing parameter according to the photographing duration comprises:
and in response to the fact that the photographing time is larger than the high-definition photographing time threshold, reducing the photographing resolution.
6. The method for determining photographing parameters according to claim 5, wherein iterating the process of adjusting the first photographing parameter until reaching an iteration end condition comprises:
and iterating the process of reducing the photographing resolution in response to the photographing time length being greater than the photographing time length threshold value until the photographing time length is less than or equal to the high-definition photographing time length threshold value or the photographing resolution reaches a first preset value.
7. The method for determining photographing parameters according to claim 2, wherein in a case that the photographing mode is a normal photographing mode, the obtaining the first photographing parameters according to the photographing mode comprises:
determining whether a system photographing mode is adopted;
if the system photographing mode is not adopted, determining that the photographing mode is the system photographing mode;
and if the system photographing mode is adopted, determining the photographing mode and the photographing resolution according to the adopted result.
8. The method for determining photographing parameters according to claim 7, wherein when the photographing mode is a normal photographing mode and the photographing mode is a system photographing, the adjusting the first photographing parameter according to the photographing duration comprises:
and increasing the photographing resolution in response to the photographing time being less than or equal to a common photographing time threshold.
9. The method for determining photographing parameters according to claim 8, wherein iterating the process of adjusting the first photographing parameter until the iteration end condition is reached comprises:
and iterating the above process of increasing the photographing resolution in response to the photographing time being less than or equal to the common photographing time threshold until the photographing time is greater than the common photographing time threshold.
10. The method for determining photographing parameters according to claim 7, wherein the determining the first photographing parameter obtained by the iteration as the photographing parameter comprises:
acquiring a first photographing resolution obtained when the photographing time is greater than the common photographing time threshold;
acquiring a candidate resolution according to the first photographing resolution, wherein the candidate resolution is the photographing resolution before the photographing resolution is increased to the first photographing resolution;
when the candidate resolution is larger than the preview resolution used by the screen capture photographing mode, determining that the photographing parameters comprise system photographing and the candidate resolution;
and when the candidate resolution is smaller than the preview resolution used by the screen capture mode, determining that the photographing parameters comprise screen capture photographing and the preview resolution.
11. A photographing parameter determination apparatus, comprising:
the photographing time obtaining module is used for executing photographing operation according to the first photographing parameter to obtain photographing time;
the adjusting module is used for adjusting the first photographing parameter according to the photographing time;
the iteration module is used for iterating the process of adjusting the first photographing parameter until an iteration ending condition is reached;
and the parameter determining module is used for determining the first photographing parameter obtained by the iteration as the photographing parameter.
12. An electronic device, comprising:
a memory for storing computer readable instructions; and
a processor for executing the computer-readable instructions, which when executed, cause the electronic device to implement the method of any of claims 1-10.
13. A non-transitory computer readable storage medium storing computer readable instructions which, when executed by a computer, cause the computer to perform the method of any one of claims 1-10.
14. A computer program product comprising program code instructions for executing the method as claimed in claims 1-10.
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