WO2018053909A1 - 拍摄方法、拍摄装置和终端 - Google Patents

拍摄方法、拍摄装置和终端 Download PDF

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Publication number
WO2018053909A1
WO2018053909A1 PCT/CN2016/104096 CN2016104096W WO2018053909A1 WO 2018053909 A1 WO2018053909 A1 WO 2018053909A1 CN 2016104096 W CN2016104096 W CN 2016104096W WO 2018053909 A1 WO2018053909 A1 WO 2018053909A1
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image
shooting
photographing
night scene
user
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PCT/CN2016/104096
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English (en)
French (fr)
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张志文
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宇龙计算机通信科技(深圳)有限公司
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Publication of WO2018053909A1 publication Critical patent/WO2018053909A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—Circuitry for evaluating the brightness variation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/95—Computational photography systems, e.g. light-field imaging systems
    • H04N23/957—Light-field or plenoptic cameras or camera modules

Definitions

  • the present invention relates to the field of terminal technologies, and in particular, to a photographing method and a photographing apparatus and a terminal.
  • the quality of photographs of terminals is getting higher and higher, it is more and more popular to use the terminal to take pictures.
  • the user In the process of taking pictures by using the terminal, the user often takes photos in some indoor low-light or even outdoor night scenes. Because the brightness of the shooting environment is relatively dark, the user needs to manually turn on the night scene shooting function of the terminal to achieve a clearer picture. However, on the one hand, the user needs to manually turn on the night scene shooting function, the terminal is not smart enough. On the other hand, the user does not have enough experience to judge when the normal shooting mode can achieve the desired sharpness effect, and when to turn on the night shooting function to improve the painting. Quality, the user is not very satisfied with the photos taken.
  • the invention is based on the above problems, and proposes a new technical solution, which can prevent the user from judging whether it is necessary to use the night scene shooting function, so that the terminal is more intelligent, and can also take photos that satisfy the user.
  • the first aspect of the present invention provides a photographing method, comprising: determining a sensitivity required for a current photographing when photographing is performed; and if a sensitivity required for the current photographing is greater than or equal to a set threshold, Turning on the night view shooting function of the dual camera; after turning on the night scene shooting function, one of the dual cameras is used to take a black and white image, and the other camera is to capture a color image, and the black and white image and the color image are performed. The synthesis process results in the final displayed image.
  • the night scene shooting function is automatically turned on, thereby preventing the user from determining whether the night scene shooting function needs to be turned on, thereby making the terminal More intelligent.
  • the black and white image and the color image respectively captured by the dual camera are combined to obtain the final displayed image, and the black and white image has better detailed performance, and is synthesized under the same platform and the same lens as the sensor.
  • the sharpness of the final displayed image is much better than the sharpness of the image captured by the single camera, thus ensuring that the image finally displayed to the user after the night view shooting function is turned on is relatively clear, thereby improving the user experience.
  • the set threshold is too low, the user waits for an extra waiting time. If the set threshold is too high, the night scene shooting function cannot be turned on in time, so according to the original image captured by the dual camera.
  • the set threshold is updated (the time consumed for synthesizing the final displayed image), and/or the user's satisfaction, so that the night scene shooting function can be turned on in time according to the set threshold value, It also prevents the user from waiting too long to display the final synthesized image.
  • the determining the sensitivity required for the current shooting comprises: detecting the brightness of the current shooting environment; determining the sensitivity required for the current shooting according to the brightness of the current shooting environment. degree.
  • the sensitivity required for the current shooting can be accurately determined, thereby achieving accurate control at the time of shooting.
  • the method further includes: if the sensitivity required for the current shooting is less than the set threshold, turning off the night scene shooting function.
  • the night scene shooting function can be automatically turned off to prevent the user from manually turning off the night scene shooting function, thereby making the shooting more intelligent.
  • the method further includes: prompting the user that the night scene shooting function is turned on.
  • the user is prompted to turn on the night scene shooting function, so that the user can clearly understand the current shooting situation, and prevent the user from going to the setting interface to try to manually turn on the night shooting function.
  • a second aspect of the present invention provides a photographing apparatus, comprising: a first determining unit configured to determine a sensitivity required for current shooting when photographing is performed; and an opening unit configured to be required for the current photographing If the degree is greater than or equal to the set threshold, the night view shooting function of the dual camera is turned on; the processing unit is configured to use the camera of the dual camera to take a black and white image and the other camera to shoot the color after the night scene shooting function is turned on. An image is synthesized by combining the black and white image and the color image to obtain a final displayed image.
  • the night scene shooting function is automatically turned on, thereby preventing the user from determining whether to turn on the night scene shooting function, thereby making the terminal More intelligent.
  • the black and white image and the color image respectively captured by the dual camera are combined to obtain the final displayed image, thereby ensuring that the image finally displayed to the user is relatively clear after the night scene shooting function is turned on, thereby enhancing the user.
  • the method further includes: a second determining unit configured to determine a photographing effect of the black and white image and the color image, and/or to synthesize the black and white image and the color image into the The time consumed by the finally displayed image, and/or the user's satisfaction with the final displayed image; an update unit, set to be based on the photographing effect, and/or the time, and/or the satisfaction, The set threshold is updated.
  • the set threshold is too low, the user waits for an extra waiting time. If the set threshold is too high, the night scene shooting function cannot be turned on in time, so according to the original image captured by the dual camera.
  • the set threshold is updated (the time consumed for synthesizing the final displayed image), and/or the user's satisfaction, so that the night scene shooting function can be turned on in time according to the set threshold value, It also prevents the user from waiting too long to display the final synthesized image.
  • the first determining unit is configured to detect a brightness of a current shooting environment, and determine a sensitivity required for the current shooting according to the brightness of the current shooting environment.
  • the sensitivity required for the current shooting can be accurately determined, thereby achieving accurate control at the time of shooting.
  • the processing unit when the night scene shooting function is turned on, is further configured to: if the sensitivity required for the current shooting is less than the set threshold, Night shot shooting function.
  • the night scene shooting function can be automatically turned off to prevent the user from manually turning off the night scene shooting function, thereby making the shooting more intelligent.
  • the method further includes: a prompting unit configured to prompt the user that the night scene shooting function has been turned on.
  • the user is prompted to turn on the night scene shooting function, so that the user can clearly understand the current shooting situation, and prevent the user from going to the setting interface to try to manually turn on the night shooting function.
  • a third aspect of the present invention provides a terminal, comprising the imaging device according to any one of the above aspects, wherein the terminal has the same technical effect as the imaging device according to any one of the above aspects, This will not be repeated here.
  • FIG. 1 is a flow chart showing a photographing method according to an embodiment of the present invention
  • FIG. 2 is a block diagram showing the structure of a photographing apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • FIG. 4 shows a schematic structural diagram of a terminal according to another embodiment of the present invention.
  • FIG. 1 shows a flow chart of a photographing method according to an embodiment of the present invention.
  • a photographing method according to an embodiment of the present invention includes:
  • step 102 when shooting is performed, the sensitivity required for the current shooting is determined.
  • Sensitivity is an ISO (International Standardization Organization) that quantifies the brightness.
  • Step 104 If the sensitivity required for the current shooting is greater than a set threshold, turn on the night shooting function of the dual camera.
  • Step 106 After the night scene shooting function is turned on, one of the dual cameras is used to capture a black and white image, another camera captures a color image, and the black and white image and the color image are combined to obtain a final display. image.
  • the night scene shooting function is automatically turned on, thereby preventing the user from determining whether to enable the night scene shooting function, thereby making the terminal more intelligent.
  • the black and white image and the color image respectively captured by the dual camera are combined to obtain the final displayed image, thereby ensuring that the image finally displayed to the user is relatively clear after the night scene shooting function is turned on, thereby enhancing the user.
  • the other camera captures the color image, and the outline based on the black and white image and the color image are colored, and the final displayed image is synthesized by an algorithm.
  • the final displayed image benefits from the better detail of the black and white image.
  • the final displayed image synthesized with the same lens as the sensor is much better than the single camera.
  • the focus position may be out of sync. If the black and white image is not as focused as the color image, the final displayed image is a color image. Or because one of the sharpness is caused by the jitter, the image is synthesized mainly with a clear image, thereby maximizing the success rate of the photograph.
  • the set threshold is too low, the user waits for an extra waiting time. If the set threshold is too high, the night scene shooting function cannot be turned on in time, so according to the original image captured by the dual camera.
  • the set threshold is updated (the time consumed for synthesizing the final displayed image), and/or the user's satisfaction, so that the night scene shooting function can be turned on in time according to the set threshold value, It also prevents the user from waiting too long to display the final synthesized image.
  • the photographing effect, time, and satisfaction are weighted to obtain a final value, and the set threshold is updated according to the value.
  • User satisfaction can be determined based on the user's behavioral actions. For example, after displaying the final synthesized image, if the user chooses to save the image, the user is satisfied with the image, and the satisfaction is 90%. If the user chooses to delete the image, the user is dissatisfied with the image, and is satisfied. The degree is 30%.
  • the set threshold may also be a fixed value, and the set threshold is determined according to the hardware configuration. For example, in the early days, because the shooting success rate was low, the threshold was set to 1600, that is, the sensitivity required for the current shooting reached 1600 or 1600 or more to activate the dual-camera night shooting function to improve the user experience. Or, in the medium term, the photo success rate has been significantly improved due to the improvement of the synthetic algorithm, and the photographing effect is balanced by the angle of the synthetic speed and the noise effect, and the threshold is set to 1400, that is, the sensitivity required for the current shooting reaches 1400 or 1400 or more to activate the double. Night view shooting function of the camera. Or when the hardware processing performance is improved, the synthesis time is reduced and the noise level is increased, and the threshold is set to 1000 or 800, that is, the sensitivity required for the current shooting reaches 1000 or more to activate the night shooting function of the dual camera.
  • the step of determining a sensitivity required for current shooting specifically includes: detecting a brightness of a current shooting environment; determining, according to a brightness of the current shooting environment, the current shooting requirement Sensitivity.
  • the sensitivity required for the current shooting can be accurately determined, thereby achieving accurate control at the time of shooting.
  • the method further includes: if the sensitivity required for the current shooting is less than the set threshold, turning off the night scene shooting function.
  • the night scene shooting function can be automatically turned off to prevent the user from manually turning off the night scene shooting function, thereby making the shooting more intelligent.
  • the night scene shooting function is automatically turned on. If the user returns to the room for shooting, the indoor light intensity is relatively strong, and the shooting can be performed without turning on the night shooting function. For clearer photos, the night scene shooting function is automatically turned off to ensure that the captured images are sharper.
  • the method further includes: prompting the user that the night scene shooting function is turned on.
  • the user is prompted to turn on the night scene shooting function, so that the user can clearly understand the current shooting situation, and prevent the user from going to the setting interface to try to manually turn on the night shooting function.
  • FIG. 2 shows a schematic structural view of a photographing apparatus according to an embodiment of the present invention.
  • a photographing apparatus 200 includes a first determining unit 202, an opening unit 204, and a processing unit 206.
  • the first determining unit 202 is configured to determine the sensitivity required for the current shooting when the shooting is performed; the opening unit 204 is configured to turn on the dual camera if the sensitivity required for the current shooting is greater than or equal to the set threshold a night scene shooting function; the processing unit 206 is configured to: after turning on the night scene shooting function, use one of the dual cameras to capture a black and white image, another camera to capture a color image, and the black and white image and the color image The synthesis process is performed to obtain the final displayed image.
  • the night scene shooting function is automatically turned on, thereby preventing the user from determining whether to enable the night scene shooting function, thereby making the terminal more Intelligent.
  • the black and white image and the color image respectively captured by the dual camera are combined to obtain the final displayed image, thereby ensuring that the image finally displayed to the user is relatively clear after the night scene shooting function is turned on, thereby enhancing the user. The experience of using.
  • the method further includes: a second determining unit 208, configured to determine a photo effect of the black and white image and the color image, and/or to synthesize the black and white image and the color image into a The time consumed by the finally displayed image, and/or the user's satisfaction with the final displayed image; the update unit 210, configured to be based on the photographing effect, and/or the time, and/or the satisfaction Degrees are updated for the set threshold.
  • a second determining unit 208 configured to determine a photo effect of the black and white image and the color image, and/or to synthesize the black and white image and the color image into a The time consumed by the finally displayed image, and/or the user's satisfaction with the final displayed image
  • the update unit 210 configured to be based on the photographing effect, and/or the time, and/or the satisfaction Degrees are updated for the set threshold.
  • the set threshold is too low, the user waits for an extra waiting time. If the set threshold is too high, the night scene shooting function cannot be turned on in time, so according to the original image captured by the dual camera.
  • the set threshold is updated (the time consumed for synthesizing the final displayed image), and/or the user's satisfaction, so that the night scene shooting function can be turned on in time according to the set threshold value, It also prevents the user from waiting too long to display the final synthesized image.
  • the photographing effect, time, and satisfaction are weighted to obtain a final value, and the set threshold is updated according to the value.
  • User satisfaction can be determined based on the user's behavioral actions. For example, after displaying the final synthesized image, if the user chooses to save the image, the user is satisfied with the image, and the satisfaction is 90%. If the user chooses to delete the image, the user is dissatisfied with the image, and is satisfied. The degree is 30%.
  • the first determining unit 202 is configured to detect a brightness of a current shooting environment, and determine a sensitivity required for the current shooting according to the brightness of the current shooting environment.
  • the sensitivity required for the current shooting can be accurately determined, thereby achieving accurate control at the time of shooting.
  • the processing unit 206 when the night scene shooting function is turned on, is further configured to close if the sensitivity required for the current shooting is less than the set threshold.
  • the night scene shooting function when the night scene shooting function is turned on, the processing unit 206 is further configured to close if the sensitivity required for the current shooting is less than the set threshold.
  • the night scene shooting function can be automatically turned off to prevent the user from manually turning off the night scene shooting function, thereby making the shooting more intelligent.
  • the night scene shooting function is automatically turned on. If the user returns to the room for shooting, the indoor light intensity is relatively strong, and the shooting can be performed without turning on the night shooting function. For clearer photos, the night scene shooting function is automatically turned off to ensure that the captured images are sharper.
  • the prompting unit 212 is further configured to prompt the user to turn on the night scene shooting function.
  • the user is prompted to turn on the night scene shooting function, so that the user can clearly understand the current shooting situation, and prevent the user from going to the setting interface to try to manually turn on the night shooting function.
  • FIG. 3 shows a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 300 includes the photographing apparatus 200 according to any one of the above aspects, and therefore, the terminal 300 has the photographing described in any one of the above aspects.
  • the same technical effects of the device 200 are not described herein.
  • FIG. 4 shows a schematic structural diagram of a terminal according to another embodiment of the present invention.
  • a terminal 400 in accordance with another embodiment of the present invention includes a processor 402, a memory 404, and a communication bus 406.
  • Communication bus 406 is used to implement connection communication between processor 402 and memory 404.
  • the memory 404 may be a high speed RAM (Random Access Memory) or a non-volatile memory such as at least one disk memory.
  • the processor 402 includes a CPU (Central Processing Unit).
  • the processor 402 performs the following steps by calling an instruction stored in the memory 404: determining the sensitivity required for the current shooting when the shooting is performed; if the sensitivity required for the current shooting is greater than or equal to the set threshold Turning on the night view shooting function of the dual camera; after turning on the night scene shooting function, one of the two cameras is used to take a black and white image, and the other camera is shooting a color image, and the black and white image and the color image are taken The synthesis process is performed to obtain the final displayed image.
  • the processor 402 is further configured to: determine a photo effect of the black and white image and the color image, and/or a time taken to synthesize the black and white image and the color image into the final displayed image, And/or satisfaction of the user with the final displayed image; updating the set threshold based on the photographing effect, and/or the time, and/or the satisfaction.
  • the processor 402 is specifically configured to detect the brightness of the current shooting environment; and determine the sensitivity required for the current shooting according to the brightness of the current shooting environment.
  • the processor 402 is further configured to close the night scene shooting function if the sensitivity required for the current shooting is less than the set threshold.
  • the processor 402 is further configured to prompt the user that the night scene shooting function has been turned on.
  • the technical solution of the present invention is described in detail above with reference to the accompanying drawings.
  • the technical solution of the present invention can prevent the user from judging whether to enable the night scene shooting function, and make the terminal more intelligent, and can also take photos that satisfy the user.

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Abstract

一种拍摄方法、拍摄装置和终端，其中，所述拍摄方法包括：在进行拍摄时，确定当前拍摄所需的感光度（102）；若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能（104）；在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像（106）。通过所述拍摄方法，可以避免用户判断是否需要使用夜景拍摄功能，使终端更加智能化，还可以拍摄出令用户满意的照片。

Description

拍摄方法、拍摄装置和终端
本申请要求于2016年9月26日提交中国专利局，申请号为201610850685.8、发明名称为“拍摄方法、拍摄装置和终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及终端技术领域，具体而言，涉及一种拍摄方法和一种拍摄装置和一种终端。
背景技术
由于终端（例如手机）拍照的质量越来越高，使用终端进行拍照也越来越流行。在使用终端进行拍照的过程中，用户往往会在一些室内低光甚至室外夜景进行拍照，由于拍摄环境的亮度比较暗，需要用户手动开启终端的夜景拍摄功能，以实现拍摄出较为清晰的照片。但是，一方面用户需要手动开启夜景拍摄功能，终端不够智能，另一方面用户没有足够的经验去判断什么时候在正常拍摄模式下就可以达到预期清晰度效果，什么时候开启夜景拍摄功能来提高画质，导致用户对拍摄出来的照片并不是很满意。
因此，如何避免用户判断是否需要使用夜景拍摄功能，而且在使终端更加智能化的同时，还可以拍摄出令用户满意的照片成为亟待解决的技术问题。
发明内容
本发明正是基于上述问题，提出了一种新的技术方案，可以避免用户判断是否需要使用夜景拍摄功能，使得终端更加智能化的同时，还可以拍摄出令用户满意的照片。
有鉴于此，本发明的第一方面提出了一种拍摄方法，包括：在进行拍摄时，确定当前拍摄所需的感光度；若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
在该技术方案中，若当前拍摄所需的感光度大于或等于设定阈值时，说明当前的环境比较暗，则自动开启夜景拍摄功能，避免了用户判断是否需要开启夜景拍摄功能，从而使得终端更加智能化。另外，在开启夜景拍摄功能之后，将双摄像头分别拍摄得到的黑白图像和彩色图像进行合成得到最终显示的图像，黑白图像具有较好的细节表现，在同平台同sensor同镜头的情况下合成的最终显示的图像的清晰度远比单摄像头拍摄到的图像的清晰度要好，从而保证了在开启夜景拍摄功能之后最终显示给用户的图像相对清晰，进而提升用户的使用体验。
在上述技术方案中，优选地，还包括：确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
在该技术方案中，如果设定阈值太低，会增加用户多余等待的时间，如果设定阈值太高，并不能及时地开启夜景拍摄功能，因此，根据双摄像头拍摄到的原图像的拍照效果（原图像的清晰程度）、和/或合成最终显示的图像所消耗的时间、和/或用户的满意度，来更新设定阈值，从而根据该设定阈值可以及时地开启夜景拍摄功能，同时也避免用户等待过长的时间才显示最终合成的图像。
在上述任一技术方案中，优选地，所述确定当前拍摄所需的感光度，具体包括：检测当前拍摄环境的亮度；根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
在该技术方案中，根据当前拍摄环境的亮度，可以准确地确定出当前拍摄所需的感光度，从而实现拍摄时的准确控制。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能后，还包括：若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
在该技术方案中，可以自动关闭夜景拍摄功能，避免用户手动关闭夜景拍摄功能，从而使得拍摄时更加智能化。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能后，还包括：提示用户已开启所述夜景拍摄功能。
在该技术方案中，提示用户已开启夜景拍摄功能，以使用户清楚地了解当前拍摄的情况，避免用户再去进入设置界面以试图手动开启夜景拍摄功能。
本发明的第二方面提出了一种拍摄装置，包括：第一确定单元，设置为在进行拍摄时，确定当前拍摄所需的感光度；开启单元，设置为若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；处理单元，设置为在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
在该技术方案中，若当前拍摄所需的感光度大于或等于设定阈值时，说明当前的环境比较暗，则自动开启夜景拍摄功能，避免了用户判断是否要开启夜景拍摄功能，从而使得终端更加智能化。另外，在开启夜景拍摄功能之后，将双摄像头分别拍摄得到的黑白图像和彩色图像进行合成得到最终显示的图像，从而保证了在开启夜景拍摄功能之后最终显示给用户的图像相对清晰，进而提升用户的使用体验。
在上述技术方案中，优选地，还包括：第二确定单元，设置为确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；更新单元，设置为根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
在该技术方案中，如果设定阈值太低，会增加用户多余等待的时间，如果设定阈值太高，并不能及时地开启夜景拍摄功能，因此，根据双摄像头拍摄到的原图像的拍照效果（原图像的清晰程度）、和/或合成最终显示的图像所消耗的时间、和/或用户的满意度，来更新设定阈值，从而根据该设定阈值可以及时地开启夜景拍摄功能，同时也避免用户等待过长的时间才显示最终合成的图像。
在上述任一技术方案中，优选地，所述第一确定单元具体设置为，检测当前拍摄环境的亮度，根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
在该技术方案中，根据当前拍摄环境的亮度，可以准确地确定出当前拍摄所需的感光度，从而实现拍摄时的准确控制。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能的情况下，所述处理单元还设置为，若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
在该技术方案中，可以自动关闭夜景拍摄功能，避免用户手动关闭夜景拍摄功能，从而使得拍摄时更加智能化。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能的情况下，还包括：提示单元，设置为提示用户已开启所述夜景拍摄功能。
在该技术方案中，提示用户已开启夜景拍摄功能，以使用户清楚地了解当前拍摄的情况，避免用户再去进入设置界面以试图手动开启夜景拍摄功能。
本发明的第三方面提出了一种终端，包括上述技术方案中任一项所述的拍摄装置，因此，该终端具有和上述技术方案中任一项所述的拍摄装置相同的技术效果，在此不再赘述。
通过本发明的技术方案，可以避免用户判断是否需要使用夜景拍摄功能，使得终端更加智能化的同时，还可以拍摄出令用户满意的照片。
 附图说明
图1示出了根据本发明的实施例的拍摄方法的流程示意图；
图2示出了根据本发明的实施例的拍摄装置的结构示意图；
图3示出了根据本发明的一个实施例的终端的结构示意图；
图4示出了根据本发明的另一个实施例的终端的结构示意图。
具体实施方式
为了可以更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了根据本发明的实施例的拍摄方法的流程示意图。
如图1所示，根据本发明的实施例的拍摄方法，包括：
步骤102，在进行拍摄时，确定当前拍摄所需的感光度。
感光度是ISO（International Standardization Organization）对感光亮度做了量化规定。
步骤104，若所述当前拍摄所需的感光度大于设定阈值，则开启双摄像头的夜景拍摄功能。
步骤106，在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
在该技术方案中，若当前拍摄所需的感光度大于设定阈值时，说明当前的环境比较暗，则自动开启夜景拍摄功能，避免了用户判断是否开启夜景拍摄功能，从而使得终端更加智能化。另外，在开启夜景拍摄功能之后，将双摄像头分别拍摄得到的黑白图像和彩色图像进行合成得到最终显示的图像，从而保证了在开启夜景拍摄功能之后最终显示给用户的图像相对清晰，进而提升用户的使用体验。
双摄像头中的其一摄像头拍摄黑白图像的同时，另一摄像头拍摄彩色图像，以黑白图像为基础轮廓和彩色图像为色彩，通过算法去合成得到最终显示的图像。最终显示的图像得益于黑白图像的较好的细节表现，同平台同sensor同镜头的情况下合成的最终显示的图像的清晰度远比单摄像头要好。双摄像头拍照有可能出现对焦位置不同步，如果出现黑白图像对焦效果不如彩色图像，最终显示的图像为彩色图像。或者因为抖动导致其中一个清晰度较差，以较清晰的图像为主进行合成，从而最大限度保证拍照成功率。
在上述技术方案中，优选地，还包括：确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
在该技术方案中，如果设定阈值太低，会增加用户多余等待的时间，如果设定阈值太高，并不能及时地开启夜景拍摄功能，因此，根据双摄像头拍摄到的原图像的拍照效果（原图像的清晰程度）、和/或合成最终显示的图像所消耗的时间、和/或用户的满意度，来更新设定阈值，从而根据该设定阈值可以及时地开启夜景拍摄功能，同时也避免用户等待过长的时间才显示最终合成的图像。
具体地，对拍照效果、时间、满意度进行加权计算得到最终的一个数值，根据该数值对设定阈值进行更新。
用户的满意度可以根据用户的行为操作来确定。例如，在显示最终合成的图像后，如果用户选择保存该图像，说明用户对该图像是满意的，满意度为90%，如果用户选择删除该图像，说明用户对该图像是不满意的，满意度为30%。
另外，设定阈值也可以为一个固定的值，根据硬件配置情况确定设定阈值。例如，在早期因为拍照成功率偏低，设定阈值为1600，即当前拍摄所需的感光度达到1600或1600以上才激活双摄像头的夜景拍摄功能，来提高用户体验。或者，中期因为合成算法的提高拍照成功率已经显著提升，以合成速度和噪点效果的角度去平衡拍照效果，设定阈值为1400，即当前拍摄所需的感光度达到1400或1400以上才激活双摄像头的夜景拍摄功能。再或者在硬件处理性能提升时，合成时间降低和噪点水平提升，设定阈值为1000或800，即当前拍摄所需的感光度达到1000或800以上才激活双摄像头的夜景拍摄功能。
在上述任一技术方案中，优选地，所述确定当前拍摄所需的感光度的步骤，具体包括：检测当前拍摄环境的亮度；根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
在该技术方案中，根据当前拍摄环境的亮度，可以准确地确定出当前拍摄所需的感光度，从而实现拍摄时的准确控制。
其中，当前拍摄环境的亮度越低，当前拍摄所需的感光度就越大。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能后，还包括：若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
在该技术方案中，可以自动关闭夜景拍摄功能，避免用户手动关闭夜景拍摄功能，从而使得拍摄时更加智能化。
例如，用户在室外进行拍摄，由于此时为夜晚，且室外没有亮光，则自动开启夜景拍摄功能，若用户回到室内进行拍摄，室内的光照强度比较强，不需要开启夜景拍摄功能也能拍摄出较为清晰的照片，则自动关闭夜景拍摄功能，以保证拍摄出的图像更加清晰。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能后，还包括：提示用户已开启所述夜景拍摄功能。
在该技术方案中，提示用户已开启夜景拍摄功能，以使用户清楚地了解当前拍摄的情况，避免用户再去进入设置界面以试图手动开启夜景拍摄功能。
图2示出了根据本发明的实施例的拍摄装置的结构示意图。
如图2所示，根据本发明的实施例的拍摄装置200，包括：第一确定单元202、开启单元204和处理单元206。
第一确定单元202，设置为在进行拍摄时，确定当前拍摄所需的感光度；开启单元204，设置为若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；处理单元206，设置为在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
在该技术方案中，若当前拍摄所需的感光度大于或等于设定阈值时，说明当前的环境比较暗，则自动开启夜景拍摄功能，避免了用户判断是否开启夜景拍摄功能，从而使得终端更加智能化。另外，在开启夜景拍摄功能之后，将双摄像头分别拍摄得到的黑白图像和彩色图像进行合成得到最终显示的图像，从而保证了在开启夜景拍摄功能之后最终显示给用户的图像相对清晰，进而提升用户的使用体验。
在上述技术方案中，优选地，还包括：第二确定单元208，设置为确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；更新单元210，设置为根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
在该技术方案中，如果设定阈值太低，会增加用户多余等待的时间，如果设定阈值太高，并不能及时地开启夜景拍摄功能，因此，根据双摄像头拍摄到的原图像的拍照效果（原图像的清晰程度）、和/或合成最终显示的图像所消耗的时间、和/或用户的满意度，来更新设定阈值，从而根据该设定阈值可以及时地开启夜景拍摄功能，同时也避免用户等待过长的时间才显示最终合成的图像。
具体地，对拍照效果、时间、满意度进行加权计算得到最终的一个数值，根据该数值对设定阈值进行更新。
用户的满意度可以根据用户的行为操作来确定。例如，在显示最终合成的图像后，如果用户选择保存该图像，说明用户对该图像是满意的，满意度为90%，如果用户选择删除该图像，说明用户对该图像是不满意的，满意度为30%。
在上述任一技术方案中，优选地，所述第一确定单元202具体设置为，检测当前拍摄环境的亮度，根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
在该技术方案中，根据当前拍摄环境的亮度，可以准确地确定出当前拍摄所需的感光度，从而实现拍摄时的准确控制。
其中，当前拍摄环境的亮度越低，当前拍摄所需的感光度就越大。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能的情况下，所述处理单元206还设置为，若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
在该技术方案中，可以自动关闭夜景拍摄功能，避免用户手动关闭夜景拍摄功能，从而使得拍摄时更加智能化。
例如，用户在室外进行拍摄，由于此时为夜晚，且室外没有亮光，则自动开启夜景拍摄功能，若用户回到室内进行拍摄，室内的光照强度比较强，不需要开启夜景拍摄功能也能拍摄出较为清晰的照片，则自动关闭夜景拍摄功能，以保证拍摄出的图像更加清晰。
在上述任一技术方案中，优选地，在开启所述夜景拍摄功能的情况下，还包括：提示单元212，设置为提示用户已开启所述夜景拍摄功能。
在该技术方案中，提示用户已开启夜景拍摄功能，以使用户清楚地了解当前拍摄的情况，避免用户再去进入设置界面以试图手动开启夜景拍摄功能。
图3示出了根据本发明的一个实施例的终端的结构示意图。
如图3所示，根据本发明的一个实施例的终端300，包括上述技术方案中任一项所述的拍摄装置200，因此，该终端300具有和上述技术方案中任一项所述的拍摄装置200相同的技术效果，在此不再赘述。
图4示出了根据本发明的另一个实施例的终端的结构示意图。
如图4所示，根据本发明的另一个实施例的终端400，包括处理器402、存储器404和通信总线406。通信总线406用于实现处理器402和存储器404之间的连接通信。存储器404可以是高速RAM（Random Access Memory，随机存储器），也可以是非易失性存储器（non-volatile memory），例如至少一个磁盘存储器。处理器402包括CPU（Central Processing Unit，中央处理器）。其中，通过调用存储器404中存储的指令，来使处理器402执行如下步骤：在进行拍摄时，确定当前拍摄所需的感光度；若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
优选地，处理器402还用于，确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
优选地，处理器402具体用于，检测当前拍摄环境的亮度；根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
优选地，处理器402在开启所述夜景拍摄功能后，还用于，若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
优选地，处理器402在开启所述夜景拍摄功能后，还用于，提示用户已开启所述夜景拍摄功能。
以上结合附图详细说明了本发明的技术方案，通过本发明的技术方案，可以避免用户判断是否开启夜景拍摄功能，使终端更加智能化的同时，还可以拍摄出令用户满意的照片。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种拍摄方法，其特征在于，包括：
    在进行拍摄时，确定当前拍摄所需的感光度；
    若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；
    在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
  2. 根据权利要求1所述的拍摄方法，其特征在于，还包括：
    确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；
    根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
  3. 根据权利要求1所述的拍摄方法，其特征在于，所述确定当前拍摄所需的感光度，具体包括：
    检测当前拍摄环境的亮度；
    根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
  4. 根据权利要求1至3中任一项所述的拍摄方法，其特征在于，在开启所述夜景拍摄功能后，还包括：
    若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
  5. 根据权利要求1至3中任一项所述的拍摄方法，其特征在于，在开启所述夜景拍摄功能后，还包括：
    提示用户已开启所述夜景拍摄功能。
  6. 一种拍摄装置，其特征在于，包括：
    第一确定单元，设置为在进行拍摄时，确定当前拍摄所需的感光度；
    开启单元，设置为若所述当前拍摄所需的感光度大于或等于设定阈值，则开启双摄像头的夜景拍摄功能；
    处理单元，设置为在开启所述夜景拍摄功能后，使用所述双摄像头中的其一摄像头拍摄黑白图像，另一摄像头拍摄彩色图像，将所述黑白图像和所述彩色图像进行合成处理得到最终显示的图像。
  7. 根据权利要求6所述的拍摄装置，其特征在于，还包括：
    第二确定单元，设置为确定所述黑白图像和所述彩色图像的拍照效果、和/或将所述黑白图像和所述彩色图像合成为所述最终显示的图像所消耗的时间、和/或用户对所述最终显示的图像的满意度；
    更新单元，设置为根据所述拍照效果、和/或所述时间、和/或所述满意度，对所述设定阈值进行更新。
  8. 根据权利要求6所述的拍摄装置，其特征在于，所述第一确定单元具体设置为，
    检测当前拍摄环境的亮度，根据所述当前拍摄环境的亮度，确定所述当前拍摄所需的感光度。
  9. 根据权利要求6至8中任一项所述的拍摄装置，其特征在于，在开启所述夜景拍摄功能的情况下，所述处理单元还设置为，
    若所述当前拍摄所需的感光度小于所述设定阈值，则关闭所述夜景拍摄功能。
  10. 根据权利要求6至8中任一项所述的拍摄装置，其特征在于，在开启所述夜景拍摄功能的情况下，还包括：
    提示单元，设置为提示用户已开启所述夜景拍摄功能。
  11. 一种终端，其特征在于，包括：如权利要求6至8中任一项所述的拍摄装置。
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