CN106454077B - Shooting method, shooting device and terminal - Google Patents

Shooting method, shooting device and terminal Download PDF

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Publication number
CN106454077B
CN106454077B CN201610850685.8A CN201610850685A CN106454077B CN 106454077 B CN106454077 B CN 106454077B CN 201610850685 A CN201610850685 A CN 201610850685A CN 106454077 B CN106454077 B CN 106454077B
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shooting
image
user
night scene
function
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CN106454077A (en
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张志文
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Priority to PCT/CN2016/104096 priority patent/WO2018053909A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/71Circuitry for evaluating the brightness variation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/76Circuitry for compensating brightness variation in the scene by influencing the image signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80Camera processing pipelines; Components thereof

Abstract

The invention provides a shooting method, a shooting device and a terminal, wherein the shooting method comprises the following steps: when shooting is carried out, determining the sensitivity required by current shooting; if the sensitivity required by the current shooting is greater than a set threshold, starting a night scene shooting function of the double cameras; after the night scene shooting function is started, one camera of the two cameras is used for shooting a black-and-white image, the other camera is used for shooting a color image, and the black-and-white image and the color image are synthesized to obtain a finally displayed image. By the technical scheme, the situation that whether a night scene shooting function is needed or not is avoided, so that the terminal is more intelligent, and photos satisfying the user can be shot.

Description

Shooting method, shooting device and terminal
Technical Field
The invention relates to the technical field of terminals, in particular to a shooting method, a shooting device and a terminal.
Background
As the quality of photographing of terminals (such as mobile phones) is higher and higher, photographing using terminals is also more and more popular. In the process of using the terminal to shoot, a user often shoots at some indoor low lights or even outdoor night scenes, and because the brightness of the shooting environment is dark, the user needs to manually start the night scene shooting function of the terminal to shoot clear photos. However, on one hand, the user needs to manually start the night view shooting function, the terminal is not intelligent enough, and on the other hand, the user does not have enough experience to judge when the expected definition effect can be achieved in the normal shooting mode, and when the night view shooting function is started to improve the image quality, so that the user is not satisfied with the shot pictures.
Therefore, how to avoid the user from judging whether to use the night scene shooting function or not is an urgent technical problem to be solved, and the terminal is more intelligent and can shoot a photo satisfying the user.
Disclosure of Invention
The invention provides a new technical scheme based on the problems, which can avoid the situation that a user judges whether to use a night scene shooting function, so that the terminal is more intelligent and can shoot a photo satisfying the user.
In view of this, a first aspect of the present invention provides a shooting method, including: when shooting is carried out, determining the sensitivity required by current shooting; if the sensitivity required by the current shooting is greater than or equal to a set threshold, starting a night scene shooting function of the double cameras; after the night scene shooting function is started, one camera of the two cameras is used for shooting a black-and-white image, the other camera is used for shooting a color image, and the black-and-white image and the color image are synthesized to obtain a finally displayed image.
In the technical scheme, if the sensitivity required by the current shooting is greater than or equal to the set threshold, which indicates that the current environment is darker, the night scene shooting function is automatically started, so that the user is prevented from judging whether the night scene shooting function needs to be started, and the terminal is more intelligent. In addition, after the night view shooting function is started, the black-and-white image and the color image which are respectively shot by the two cameras are synthesized to obtain the finally displayed image, the black-and-white image has better detail expression, the definition of the finally displayed image which is synthesized under the condition that the same platform and the same sensor and the same lens are far better than that of the image shot by the single camera, so that the image which is finally displayed for a user after the night view shooting function is started is relatively clear, and the use experience of the user is further improved.
In the above technical solution, preferably, the method further includes: determining the photographing effect of the black-and-white image and the color image, and/or the time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or the satisfaction degree of a user on the finally displayed image; and updating the set threshold according to the photographing effect, and/or the time, and/or the satisfaction.
In the technical scheme, if the set threshold is too low, the time for the user to wait unnecessarily is increased, and if the set threshold is too high, the night view shooting function cannot be started in time, so that the set threshold is updated according to the shooting effect of the original image shot by the double cameras (the definition degree of the original image), and/or the time consumed by synthesizing the finally displayed image, and/or the satisfaction degree of the user, so that the night view shooting function can be started in time according to the set threshold, and the situation that the user waits too long time to display the finally synthesized image is avoided.
In any one of the above technical solutions, preferably, the step of determining the sensitivity required for the current shooting specifically includes: detecting the brightness of the current shooting environment; and determining the sensitivity required by the current shooting according to the brightness of the current shooting environment.
According to the technical scheme, the sensitivity required by current shooting can be accurately determined according to the brightness of the current shooting environment, so that accurate control during shooting is realized.
In any one of the above technical solutions, preferably, after the night scene shooting function is started, the method further includes: and if the sensitivity required by the current shooting is less than the set threshold, closing the night scene shooting function.
In the technical scheme, the night scene shooting function can be automatically closed, and the user is prevented from manually closing the night scene shooting function, so that the shooting is more intelligent.
In any one of the above technical solutions, preferably, after the night scene shooting function is started, the method further includes: and prompting the user to start the night scene shooting function.
In the technical scheme, the user is prompted to start the night scene shooting function, so that the user can clearly know the current shooting condition, and the user is prevented from entering a setting interface again to try to manually start the night scene shooting function.
A second aspect of the present invention provides a photographing apparatus including: a first determination unit configured to determine sensitivity required for current shooting when shooting is performed; the starting unit is used for starting the night scene shooting function of the double cameras if the sensitivity required by the current shooting is greater than or equal to a set threshold; and the processing unit is used for shooting a black-and-white image by using one camera of the two cameras after the night scene shooting function is started, shooting a color image by using the other camera, and synthesizing the black-and-white image and the color image to obtain a finally displayed image.
In the technical scheme, if the sensitivity required by the current shooting is greater than or equal to the set threshold, which indicates that the current environment is darker, the night scene shooting function is automatically started, so that the user is prevented from judging whether to start the night scene shooting function, and the terminal is more intelligent. In addition, after the night scene shooting function is started, the black-and-white image and the color image which are respectively shot by the two cameras are synthesized to obtain the finally displayed image, so that the image which is finally displayed for a user after the night scene shooting function is started is relatively clear, and the use experience of the user is further improved.
In the above technical solution, preferably, the method further includes: a second determination unit configured to determine a photographing effect of the black-and-white image and the color image, and/or a time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or a degree of satisfaction of a user with the finally displayed image; and the updating unit is used for updating the set threshold according to the photographing effect, the time and the satisfaction degree.
In the technical scheme, if the set threshold is too low, the time for the user to wait unnecessarily is increased, and if the set threshold is too high, the night view shooting function cannot be started in time, so that the set threshold is updated according to the shooting effect of the original image shot by the double cameras (the definition degree of the original image), and/or the time consumed by synthesizing the finally displayed image, and/or the satisfaction degree of the user, so that the night view shooting function can be started in time according to the set threshold, and the situation that the user waits too long time to display the finally synthesized image is avoided.
In any one of the above technical solutions, preferably, the first determining unit is specifically configured to detect a brightness of a current shooting environment, and determine the sensitivity required for the current shooting according to the brightness of the current shooting environment.
According to the technical scheme, the sensitivity required by current shooting can be accurately determined according to the brightness of the current shooting environment, so that accurate control during shooting is realized.
In any one of the above technical solutions, preferably, when the night view shooting function is turned on, the processing unit is further configured to turn off the night view shooting function if the sensitivity required for the current shooting is less than the set threshold.
In the technical scheme, the night scene shooting function can be automatically closed, and the user is prevented from manually closing the night scene shooting function, so that the shooting is more intelligent.
In any one of the above technical solutions, preferably, when the night view shooting function is turned on, the method further includes: and the prompting unit is used for prompting the user that the night scene shooting function is started.
In the technical scheme, the user is prompted to start the night scene shooting function, so that the user can clearly know the current shooting condition, and the user is prevented from entering a setting interface again to try to manually start the night scene shooting function.
A third aspect of the present invention provides a terminal, including the shooting device according to any one of the above technical solutions, so that the terminal has the same technical effects as the shooting device according to any one of the above technical solutions, and details are not repeated here.
By the technical scheme, the situation that whether a night scene shooting function is needed or not is avoided, so that the terminal is more intelligent, and photos satisfying the user can be shot.
Drawings
Fig. 1 shows a schematic flow diagram of a photographing method according to an embodiment of the invention;
fig. 2 shows a schematic configuration diagram of a photographing apparatus according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 4 shows a schematic configuration diagram of a terminal according to another embodiment of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a flow diagram of a photographing method according to an embodiment of the invention.
As shown in fig. 1, a photographing method according to an embodiment of the present invention includes:
step 102, when shooting, determining the sensitivity required by current shooting.
The sensitivity is ISO (International Standardization organization) which quantifies the brightness of the light.
And 104, if the sensitivity required by the current shooting is greater than a set threshold, starting a night scene shooting function of the double cameras.
And 106, after the night scene shooting function is started, shooting a black-and-white image by using one camera of the two cameras, shooting a color image by using the other camera, and synthesizing the black-and-white image and the color image to obtain a finally displayed image.
In the technical scheme, if the sensitivity required by the current shooting is greater than the set threshold, which indicates that the current environment is darker, the night scene shooting function is automatically started, so that the user is prevented from judging whether to start the night scene shooting function, and the terminal is more intelligent. In addition, after the night scene shooting function is started, the black-and-white image and the color image which are respectively shot by the two cameras are synthesized to obtain the finally displayed image, so that the image which is finally displayed for a user after the night scene shooting function is started is relatively clear, and the use experience of the user is further improved.
One camera of the two cameras shoots a black-and-white image, the other camera shoots a color image, the black-and-white image is taken as a basic outline, the color image is taken as a color, and the finally displayed image is obtained through algorithm synthesis. The finally displayed image benefits from better detail expression of a black-and-white image, and the definition of the finally displayed image synthesized under the condition that the platform and the sensor and the lens are the same is far better than that of a single camera. The focusing positions of the double-camera shooting are possibly asynchronous, and if the focusing effect of a black-white image is inferior to that of a color image, the finally displayed image is the color image. Or one of the images is poor in definition due to shaking, and the clear images are mainly synthesized, so that the photographing success rate is guaranteed to the maximum extent.
In the above technical solution, preferably, the method further includes: determining the photographing effect of the black-and-white image and the color image, and/or the time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or the satisfaction degree of a user on the finally displayed image; and updating the set threshold according to the photographing effect, and/or the time, and/or the satisfaction.
In the technical scheme, if the set threshold is too low, the time for the user to wait unnecessarily is increased, and if the set threshold is too high, the night view shooting function cannot be started in time, so that the set threshold is updated according to the shooting effect of the original image shot by the double cameras (the definition degree of the original image), and/or the time consumed by synthesizing the finally displayed image, and/or the satisfaction degree of the user, so that the night view shooting function can be started in time according to the set threshold, and the situation that the user waits too long time to display the finally synthesized image is avoided.
Specifically, the photographing effect, the time and the satisfaction are weighted to obtain a final numerical value, and the set threshold is updated according to the final numerical value.
The satisfaction degree of the user can be determined according to the behavior operation of the user. For example, after the finally synthesized image is displayed, if the user selects to save the image, the satisfaction is 90% indicating that the user is satisfied with the image, and if the user selects to delete the image, the satisfaction is 30% indicating that the user is not satisfied with the image.
The set threshold may be a fixed value, and may be determined according to the hardware configuration. For example, in the early stage, because the photographing success rate is low, the threshold is set to 1600, that is, the night scene photographing function of the dual cameras is activated only when the sensitivity required by the current photographing reaches 1600 or more than 1600, so as to improve the user experience. Or, in the middle period, the shooting success rate is remarkably improved due to the improvement of the synthesis algorithm, the shooting effect is balanced in the angle of the synthesis speed and the noise effect, and the threshold value is set to 1400, namely, the night scene shooting function of the double cameras is activated only when the light sensitivity required by the current shooting reaches 1400 or above 1400. Or when the hardware processing performance is improved, the synthesis time is reduced and the noise level is improved, and the threshold value is set to be 1000 or 800, namely the night scene shooting function of the double cameras is activated when the light sensitivity required by current shooting reaches more than 1000 or 800.
In any one of the above technical solutions, preferably, the step of determining the sensitivity required for the current shooting specifically includes: detecting the brightness of the current shooting environment; and determining the sensitivity required by the current shooting according to the brightness of the current shooting environment.
According to the technical scheme, the sensitivity required by current shooting can be accurately determined according to the brightness of the current shooting environment, so that accurate control during shooting is realized.
Wherein, the lower the brightness of the current shooting environment, the greater the sensitivity required for the current shooting.
In any one of the above technical solutions, preferably, after the night scene shooting function is started, the method further includes: and if the sensitivity required by the current shooting is less than the set threshold, closing the night scene shooting function.
In the technical scheme, the night scene shooting function can be automatically closed, and the user is prevented from manually closing the night scene shooting function, so that the shooting is more intelligent.
For example, the user shoots outdoors, because the night is night and there is no bright light outdoors, the night scene shooting function is automatically turned on, if the user returns indoors to shoot, the indoor illumination intensity is stronger, a clear picture can be shot without turning on the night scene shooting function, and the night scene shooting function is automatically turned off to ensure that the shot image is clearer.
In any one of the above technical solutions, preferably, after the night scene shooting function is started, the method further includes: and prompting the user to start the night scene shooting function.
In the technical scheme, the user is prompted to start the night scene shooting function, so that the user can clearly know the current shooting condition, and the user is prevented from entering a setting interface again to try to manually start the night scene shooting function.
Fig. 2 shows a schematic configuration diagram of a photographing apparatus according to an embodiment of the present invention.
As shown in fig. 2, the photographing apparatus 200 according to the embodiment of the present invention includes: a first determination unit 202, a start-up unit 204 and a processing unit 206.
A first determination unit 202 for determining sensitivity required for current shooting when shooting is performed; a starting unit 204, configured to start a night scene shooting function of the dual cameras if the sensitivity required for the current shooting is greater than or equal to a set threshold; and the processing unit 206 is configured to, after the night view shooting function is turned on, shoot a black-and-white image with one of the two cameras, shoot a color image with the other camera, and perform synthesis processing on the black-and-white image and the color image to obtain a finally displayed image.
In the technical scheme, if the sensitivity required by the current shooting is greater than or equal to the set threshold, which indicates that the current environment is darker, the night scene shooting function is automatically started, so that the user is prevented from judging whether to start the night scene shooting function, and the terminal is more intelligent. In addition, after the night scene shooting function is started, the black-and-white image and the color image which are respectively shot by the two cameras are synthesized to obtain the finally displayed image, so that the image which is finally displayed for a user after the night scene shooting function is started is relatively clear, and the use experience of the user is further improved.
In the above technical solution, preferably, the method further includes: a second determination unit 208 configured to determine a photographing effect of the black-and-white image and the color image, and/or a time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or a degree of satisfaction of a user with the finally displayed image; an updating unit 210, configured to update the set threshold according to the photographing effect, and/or the time, and/or the satisfaction.
In the technical scheme, if the set threshold is too low, the time for the user to wait unnecessarily is increased, and if the set threshold is too high, the night view shooting function cannot be started in time, so that the set threshold is updated according to the shooting effect of the original image shot by the double cameras (the definition degree of the original image), and/or the time consumed by synthesizing the finally displayed image, and/or the satisfaction degree of the user, so that the night view shooting function can be started in time according to the set threshold, and the situation that the user waits too long time to display the finally synthesized image is avoided.
Specifically, the photographing effect, the time and the satisfaction are weighted to obtain a final numerical value, and the set threshold is updated according to the final numerical value.
The satisfaction degree of the user can be determined according to the behavior operation of the user. For example, after the finally synthesized image is displayed, if the user selects to save the image, the satisfaction is 90% indicating that the user is satisfied with the image, and if the user selects to delete the image, the satisfaction is 30% indicating that the user is not satisfied with the image.
In any one of the above technical solutions, preferably, the first determining unit 202 is specifically configured to detect a brightness of a current shooting environment, and determine the sensitivity required for the current shooting according to the brightness of the current shooting environment.
According to the technical scheme, the sensitivity required by current shooting can be accurately determined according to the brightness of the current shooting environment, so that accurate control during shooting is realized.
Wherein, the lower the brightness of the current shooting environment, the greater the sensitivity required for the current shooting.
In any one of the above technical solutions, preferably, when the night view shooting function is turned on, the processing unit 206 is further configured to turn off the night view shooting function if the sensitivity required for the current shooting is less than the set threshold.
In the technical scheme, the night scene shooting function can be automatically closed, and the user is prevented from manually closing the night scene shooting function, so that the shooting is more intelligent.
For example, the user shoots outdoors, because the night is night and there is no bright light outdoors, the night scene shooting function is automatically turned on, if the user returns indoors to shoot, the indoor illumination intensity is stronger, a clear picture can be shot without turning on the night scene shooting function, and the night scene shooting function is automatically turned off to ensure that the shot image is clearer.
In any one of the above technical solutions, preferably, when the night view shooting function is turned on, the method further includes: a prompting unit 212, configured to prompt the user that the night scene shooting function is started.
In the technical scheme, the user is prompted to start the night scene shooting function, so that the user can clearly know the current shooting condition, and the user is prevented from entering a setting interface again to try to manually start the night scene shooting function.
Fig. 3 shows a schematic structural diagram of a terminal according to an embodiment of the present invention.
As shown in fig. 3, the terminal 300 according to an embodiment of the present invention includes the camera 200 according to any one of the above-mentioned technical solutions, and therefore, the terminal 300 has the same technical effects as the camera 200 according to any one of the above-mentioned technical solutions, and is not described herein again.
Fig. 4 shows a schematic configuration diagram of a terminal according to another embodiment of the present invention.
As shown in fig. 4, a terminal 400 according to another embodiment of the invention includes a processor 402, a memory 404, and a communication bus 406. The communication bus 406 is used to enable communications between the processor 402 and the memory 404. The Memory 404 may be a Random Access Memory (RAM) or a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The processor 402 includes a CPU (Central Processing Unit). Wherein the instructions stored in the memory 404 are called to cause the processor 402 to perform the following steps: when shooting is carried out, determining the sensitivity required by current shooting; if the sensitivity required by the current shooting is greater than or equal to a set threshold, starting a night scene shooting function of the double cameras; after the night scene shooting function is started, one camera of the two cameras is used for shooting a black-and-white image, the other camera is used for shooting a color image, and the black-and-white image and the color image are synthesized to obtain a finally displayed image.
Preferably, the processor 402 is further configured to determine the photographing effect of the black-and-white image and the color image, and/or the time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or the satisfaction degree of the user on the finally displayed image; and updating the set threshold according to the photographing effect, and/or the time, and/or the satisfaction.
Preferably, the processor 402 is specifically configured to detect the brightness of the current shooting environment; and determining the sensitivity required by the current shooting according to the brightness of the current shooting environment.
Preferably, after the night view shooting function is turned on, the processor 402 is further configured to turn off the night view shooting function if the sensitivity required by the current shooting is less than the set threshold.
Preferably, the processor 402 is further configured to prompt the user that the night view shooting function is turned on after the night view shooting function is turned on.
The technical scheme of the invention is explained in detail in the above with the help of the attached drawings, and by the technical scheme of the invention, the situation that whether the night scene shooting function is started or not is avoided, so that the terminal is more intelligent, and meanwhile, photos satisfying the user can be shot.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A photographing method, characterized by comprising:
when shooting is carried out, determining the sensitivity required by current shooting;
if the sensitivity required by the current shooting is greater than or equal to a set threshold, starting a night scene shooting function of the double cameras;
after the night scene shooting function is started, one camera of the two cameras is used for shooting a black-and-white image, the other camera is used for shooting a color image, and the black-and-white image and the color image are synthesized to obtain a finally displayed image;
determining the photographing effect of the black-and-white image and the color image, and/or the time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or the satisfaction degree of a user on the finally displayed image;
and updating the set threshold according to the photographing effect, and/or the time, and/or the satisfaction.
2. The shooting method according to claim 1, wherein the step of determining the sensitivity required for the current shooting specifically includes:
detecting the brightness of the current shooting environment;
and determining the sensitivity required by the current shooting according to the brightness of the current shooting environment.
3. The shooting method according to claim 1 or 2, further comprising, after the night view shooting function is turned on:
and if the sensitivity required by the current shooting is less than the set threshold, closing the night scene shooting function.
4. The shooting method according to claim 1 or 2, further comprising, after the night view shooting function is turned on:
and prompting the user to start the night scene shooting function.
5. A camera, comprising:
a first determination unit configured to determine sensitivity required for current shooting when shooting is performed;
the starting unit is used for starting the night scene shooting function of the double cameras if the sensitivity required by the current shooting is greater than or equal to a set threshold;
the processing unit is used for shooting a black-and-white image by using one camera of the two cameras after the night scene shooting function is started, shooting a color image by using the other camera of the two cameras, and synthesizing the black-and-white image and the color image to obtain a finally displayed image;
a second determination unit configured to determine a photographing effect of the black-and-white image and the color image, and/or a time consumed for synthesizing the black-and-white image and the color image into the finally displayed image, and/or a degree of satisfaction of a user with the finally displayed image;
and the updating unit is used for updating the set threshold according to the photographing effect, the time and the satisfaction degree.
6. The camera according to claim 5, characterized in that the first determination unit is specifically configured to,
and detecting the brightness of the current shooting environment, and determining the sensitivity required by the current shooting according to the brightness of the current shooting environment.
7. The photographing apparatus according to claim 5 or 6, wherein the processing unit is further configured to, in a case where the night view photographing function is turned on,
and if the sensitivity required by the current shooting is less than the set threshold, closing the night scene shooting function.
8. The imaging apparatus according to claim 5 or 6, further comprising, in a case where the night view imaging function is turned on:
and the prompting unit is used for prompting the user that the night scene shooting function is started.
9. A terminal, comprising: the photographing apparatus according to any one of claims 5 to 8.
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