WO2020052474A1 - Procédé d'éclairage supplémentaire pour prise d'autoportrait photographique par un utilisateur, terminal à deux écrans, et support de stockage lisible par ordinateur - Google Patents

Procédé d'éclairage supplémentaire pour prise d'autoportrait photographique par un utilisateur, terminal à deux écrans, et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2020052474A1
WO2020052474A1 PCT/CN2019/104207 CN2019104207W WO2020052474A1 WO 2020052474 A1 WO2020052474 A1 WO 2020052474A1 CN 2019104207 W CN2019104207 W CN 2019104207W WO 2020052474 A1 WO2020052474 A1 WO 2020052474A1
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WO
WIPO (PCT)
Prior art keywords
screen
brightness
self
brightness information
preset
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Application number
PCT/CN2019/104207
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English (en)
Chinese (zh)
Inventor
顾金存
李亚萍
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中兴通讯股份有限公司
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2020052474A1 publication Critical patent/WO2020052474A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/71—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means

Definitions

  • the present invention relates to the technical field of intelligent photography, and in particular, to a self-timer fill light method, a dual-screen terminal, and a computer-readable storage medium.
  • an object of the embodiments of the present invention is to provide a self-timer fill light method, a dual-screen terminal, and a computer-readable storage medium to solve the above-mentioned dual-screen terminal's poor imaging effect when taking a selfie in a poorly-lit environment, resulting in The problem of poor user experience.
  • a self-timer fill light method includes:
  • the angle and / or brightness of the second screen of the dual-screen terminal is adjusted until the brightness information of the environment around the first screen reaches the best light supplement effect.
  • a self-timer fill light system includes:
  • a complementary light detection unit configured to obtain brightness information of the surroundings of the first screen when detecting that a user performs a self-timer operation through the first screen of a dual-screen terminal, and determine whether the brightness information is less than a preset brightness threshold;
  • a fill light control unit configured to adjust the angle and / or brightness of the second screen of the dual-screen terminal when the brightness information is less than the preset brightness threshold until the brightness information of the surroundings of the first screen reaches Best fill light effect.
  • a dual-screen terminal which includes a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the computer program is described by the When the processor executes, the steps of the self-timer fill light method described above are implemented.
  • a computer-readable storage medium stores a computer program.
  • the computer program is executed by a processor, the steps of the self-timer fill light method are implemented.
  • the self-timer fill light method, system, dual-screen terminal, and computer-readable storage medium provided by the embodiments of the present invention, when a user is detected to perform a self-timer operation through a certain screen of the dual-screen terminal, by adjusting the dual-screen terminal ’s
  • the angle and / or brightness of another screen to achieve the best fill light effect not only improves the self-timer effect, but also does not affect the self-timer screen display preview image, which improves the user experience.
  • FIG. 1 is a schematic structural diagram of a dual-screen terminal according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a self-timer fill light method provided in Embodiment 1 of the present invention
  • Embodiment 3 is a schematic flowchart of a self-timer supplementary light method provided in Embodiment 2 of the present invention.
  • Embodiment 4 is a schematic structural diagram of a self-timer fill light system provided by Embodiment 3 of the present invention.
  • FIG. 5 is a schematic diagram of an internal structure of a dual-screen terminal improved in Embodiment 4 of the present invention.
  • FIG. 1 is a schematic structural diagram of a dual-screen terminal according to an embodiment of the present invention. For convenience of explanation, only parts related to this embodiment are shown.
  • a dual-screen terminal shown in an embodiment of the present invention includes a first screen and a second screen, and the long sides of the first screen and the second screen are rotatably connected.
  • the first screen and An angle sensor and a motor are installed at the connection of the second screen; wherein, the angle sensor is configured to detect an angle between the first screen and the second screen, and the processor may obtain the first screen through the angle sensor.
  • An angle between a screen and the second screen; the motor is configured to adjust an angle between the first screen and the second screen under the control of the processor.
  • FIG. 2 is a schematic flowchart of a self-timer fill light method provided in Embodiment 1 of the present invention. The method is executed by a dual-screen terminal shown in FIG. 1. As shown in FIG. 2, the self-timer fill light method provided in this embodiment may include the following steps:
  • step S201 when it is detected that the user performs a self-timer operation through the first screen of the dual-screen terminal, brightness information of the environment around the first screen is acquired.
  • the processor in the dual-screen terminal determines whether the user has performed a selfie operation through the first screen of the dual-screen terminal by detecting whether a first-screen self-timer instruction input by the user is received; or, By detecting whether the application program corresponding to the self-portrait camera on the first screen is in a running state, it is determined whether the user has performed a self-portrait operation through the first screen of the dual-screen terminal.
  • a light sensor is provided around the self-photographing camera head of the first screen, and the processor of the dual-screen terminal controls the light sensor to detect the photo sensor when detecting that the user performs a self-timer operation through the first screen.
  • the brightness information of the surroundings of the first screen is described, and the brightness information detected by the light sensor is read.
  • step S202 it is determined whether the brightness information is less than a preset brightness threshold; when the brightness information is less than the preset brightness threshold, the process proceeds to step S203.
  • the process proceeds to step S203; otherwise, no processing is performed.
  • step S203 the angle and / or brightness of the second screen of the dual-screen terminal is adjusted until the brightness information of the environment around the first screen reaches the best light-filling effect.
  • the best lighting effect is that the brightness information around the first screen reaches the preset brightness threshold, or the brightness information around the first screen does not reach the preset brightness threshold but reaches an upper limit .
  • Step S202 specifically includes:
  • the brightness information of the surrounding environment of the first screen reaches the preset brightness threshold, stop adjusting the angle of the second screen;
  • the brightness of the second screen is increased according to a second preset step until the first The brightness information of the environment around a screen reaches the preset brightness threshold.
  • adjusting the angle of the second screen to 90 degrees according to a first preset step specifically includes:
  • the angle of the second screen is increased to 90 degrees according to the first preset step.
  • the method further includes:
  • the brightness of the second screen is directly increased according to a second preset step until the brightness information of the environment around the first screen reaches the preset brightness threshold.
  • the brightness information of the environment around the first screen will be optimal.
  • the angle of the second screen is adjusted again, it will affect the fill light effect, so at this time, the fill light effect is directly enhanced by adjusting the brightness value of the second screen.
  • the processor of the dual-screen terminal when the processor of the dual-screen terminal increases the brightness of the second screen according to a second step, the processor of the dual-screen terminal will control the light sensor to monitor the light sensor in real time.
  • the brightness information around the first screen when the brightness information around the first screen reaches the preset threshold, stop adjusting the brightness value of the second screen, at which time the brightness information around the first screen reaches the maximum Good fill light effect.
  • the self-timer fill light method further includes:
  • the angle of the second screen is equal to 90 degrees and the brightness value is adjusted to an upper limit, the brightness information of the surrounding environment of the first screen still does not reach the preset brightness threshold, then stop adjusting the second screen. Angle and / or brightness.
  • the dual-screen terminal is controlled to stop adjusting the first brightness threshold. Angle and / or brightness of the second screen.
  • the self-timer fill light method provided in this embodiment is based on adjusting the angle and / or brightness of another screen of the dual-screen terminal when it is detected that the user performs a self-timer operation on one screen of the dual-screen terminal.
  • the best fill light effect which not only can improve the self-timer effect, but also will not affect the self-timer screen display after the fill light preview image, greatly improving the user experience.
  • FIG. 3 is a schematic flowchart of a self-timer fill light method provided in Embodiment 2 of the present invention, and the method is executed by the dual-screen terminal shown in FIG. 1.
  • the self-timer fill light method provided in this embodiment may include the following steps:
  • step S301 when it is detected that the user performs a self-timer operation through the first screen of the dual-screen terminal, the brightness information of the environment around the first screen is acquired.
  • Step S302 determine whether the brightness information is less than a preset brightness threshold; when the brightness information is less than the preset brightness threshold, proceed to step S303; when the brightness information is greater than the preset brightness threshold, proceed to step S304.
  • step S303 the angle and / or brightness of the second screen of the dual-screen terminal is adjusted until the brightness information of the environment around the first screen reaches the best light supplement effect.
  • Step S304 Reduce the brightness of the second screen according to a third preset step until the brightness information of the environment around the first screen reaches the preset brightness threshold.
  • the brightness information of the surrounding environment of the first screen is greater than the preset brightness threshold value, it means that the brightness of the surrounding environment of the first screen is too high at this time, and photos taken in the brightness environment will be Overexposure, so the brightness of the surroundings of the first screen needs to be reduced at this time to achieve the best photo-filling effect. Since the brightness of the ambient light where the dual-screen terminal is located is too high at this time, adjusting the angle between the first screen and the second screen at this time has little effect on the brightness of the environment around the first screen, so Reduce the brightness of the surroundings of the first screen directly by adjusting the brightness of the second screen.
  • the processor of the dual-screen terminal when it adjusts the brightness information of the second screen, it controls the light sensor to monitor the brightness information of the surrounding environment of the first screen in real time.
  • the brightness information of the surrounding environment of a screen is reduced to the preset brightness value, adjusting the brightness value of the second screen is stopped, and at this time, the best shooting effect is achieved.
  • the self-timer fill light method further includes:
  • Step S305 If the brightness information of the surroundings of the first screen does not reach the preset brightness threshold after the brightness value of the second screen is adjusted to a lower limit value, stop adjusting the brightness of the second screen.
  • the dual-screen terminal if the brightness value of the second screen is adjusted to the lower limit and the brightness of the surrounding environment of the first screen is still greater than the preset brightness threshold, the dual-screen terminal cannot adjust the brightness of the second screen by Brightness to make the brightness of the surroundings of the first screen reach the preset brightness threshold. At this time, the brightness information around the first screen has reached the best light supplement effect that the dual-screen terminal can achieve, so control The dual-screen terminal stops adjusting the brightness of the second screen.
  • the method further includes:
  • the brightness value of the second screen is first adjusted to the preset brightness threshold, which can improve subsequent adjustments.
  • the angle and / or brightness of the second screen enables the brightness information of the environment around the first screen to achieve the best light-filling efficiency.
  • the self-timer fill light method provided in this embodiment can not only perform intelligent light fill in the dark environment of the self-timer, but also automatically reduce the self-timer environment when the self-timer environment is overexposed.
  • Light to the optimal shooting brightness value when a user is detected to perform a self-timer operation through the first screen of the dual-screen terminal, the brightness value of the second screen is adjusted to the preset brightness threshold, thereby The efficiency of subsequent adjustment of the angle and / or brightness of the second screen can be improved, so that the brightness information of the environment around the first screen can achieve the best light-filling effect.
  • FIG. 4 is a schematic structural diagram of a self-timer fill light system provided in Embodiment 3 of the present invention. For convenience of explanation, only parts related to this embodiment are shown.
  • the self-timer fill light system 4 provided in this embodiment includes:
  • the fill light detection unit 41 is configured to obtain brightness information of the surroundings of the first screen when detecting that the user performs a self-timer operation through the first screen of the dual-screen terminal, and determine whether the brightness information is less than a preset brightness threshold;
  • the fill light control unit 42 is configured to adjust the angle and / or brightness of the second screen of the dual-screen terminal when the brightness information is less than the preset brightness threshold, until the brightness information of the surrounding environment of the first screen is reached. To achieve the best fill light effect.
  • the self-timer fill light system provided by this embodiment belongs to the same concept as the self-timer fill light method of Embodiment 1 or Embodiment 2.
  • the specific implementation process is described in detail in the method embodiment, and the technical features in the method embodiment In this embodiment, they are applicable correspondingly, and are not repeated here.
  • the self-timer fill light system provided in this embodiment is also caused by adjusting the angle and / or brightness of another screen of the dual-screen terminal when it is detected that the user performs a self-timer operation through one screen of the dual-screen terminal.
  • the self-timer fill light system is also caused by adjusting the angle and / or brightness of another screen of the dual-screen terminal when it is detected that the user performs a self-timer operation through one screen of the dual-screen terminal.
  • FIG. 5 is a schematic diagram of an internal structure of a dual-screen terminal improved in Embodiment 4 of the present invention. For convenience of explanation, only parts related to this embodiment are shown.
  • the dual-screen terminal 5 provided in this embodiment includes a first screen 54 and a second screen 55, and the long sides of the first screen 54 and the second screen 55 are rotatably connected.
  • the terminal 5 It also includes a memory 51, a processor 52, and a computer program 53 stored on the memory 51 and executable on the processor 52.
  • the computer program 53 is executed by the processor 52, the implementation is implemented as described above. Steps of the self-timer fill light method described in the first or second embodiment.
  • the dual-screen terminal 5 may be a computing device such as a dual-screen mobile phone or a dual-screen computer.
  • the dual-screen terminal 5 may include, but is not limited to, a processor 52, a memory 51, and a computer program 53.
  • FIG. 5 is only an example of a dual-screen terminal and does not constitute a limitation on the dual-screen terminal. It may include more or fewer components than shown in the figure, or combine some components or different components.
  • the dual-screen terminal may further include an input / output device, a network access device, a bus, and the like.
  • the dual-screen terminal provided in this embodiment belongs to the same concept as the self-timer fill light method of the first embodiment or the second embodiment.
  • the specific implementation process is described in detail in the method embodiment, and the technical features in the method embodiment are described in This embodiment is applicable correspondingly, and is not repeated here.
  • An embodiment of the present invention provides a computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the self-timer fill light method as described in the first embodiment or the second embodiment is implemented. step.
  • the computer-readable storage medium of the embodiment of the present invention belongs to the same concept as the method of Embodiment 1 or Embodiment 2.
  • the specific implementation process is detailed in the corresponding method embodiment, and the technical features in the method embodiment are readable by the computer.
  • the storage medium embodiments are correspondingly applicable, and are not repeated here.
  • the division between functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be composed of several physical The components execute cooperatively.
  • Some or all physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit .
  • Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage medium includes volatile and non-volatile implemented in any method or technology used to store information such as computer-readable instructions, data structures, program modules or other data.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer.
  • a communication medium typically contains computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium .

Abstract

Selon certains modes de réalisation, la présente invention relève du domaine technique de la capture d'images intelligente et concerne un procédé d'éclairage supplémentaire pour prise d'autoportrait photographique par un utilisateur, un terminal à deux écrans, et un support de stockage lisible par ordinateur. Le procédé consiste à acquérir, lors de la détection d'une opération de prise d'un autoportrait photographique effectuée par un utilisateur via un premier écran d'un terminal à deux écrans, des informations de luminosité d'un environnement entourant le premier écran ; à déterminer si les informations de luminosité sont inférieures à un seuil de luminosité prédéfini ; et si tel est le cas, à ajuster un angle et/ou une luminosité d'un second écran du terminal à deux écrans jusqu'à ce que les informations de luminosité de l'environnement entourant le premier écran atteignent un effet d'éclairage supplémentaire optimal. Les modes de réalisation de la présente invention améliorent le résultat de la prise d'autoportraits photographiques sans effet sur l'affichage d'une prévisualisation d'image sur un écran de prise d'autoportrait, ce qui améliore l'expérience de l'utilisateur.
PCT/CN2019/104207 2018-09-11 2019-09-03 Procédé d'éclairage supplémentaire pour prise d'autoportrait photographique par un utilisateur, terminal à deux écrans, et support de stockage lisible par ordinateur WO2020052474A1 (fr)

Applications Claiming Priority (2)

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CN201811070867.9A CN110891148A (zh) 2018-09-11 2018-09-11 自拍补光方法、系统、双屏终端及计算机可读存储介质
CN201811070867.9 2018-09-11

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CN111901519B (zh) * 2020-06-23 2022-01-28 维沃移动通信有限公司 屏幕补光方法、装置及电子设备

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US20130050233A1 (en) * 2011-08-30 2013-02-28 Research In Motion Limited Device and method for adjusting object illumination
CN104754203A (zh) * 2013-12-31 2015-07-01 华为技术有限公司 拍摄方法、装置及终端
CN107277388A (zh) * 2017-07-27 2017-10-20 青岛海信移动通信技术股份有限公司 移动终端及其补光方法
CN107786817A (zh) * 2017-10-20 2018-03-09 维沃移动通信有限公司 一种拍照方法及移动终端
CN107995437A (zh) * 2017-12-22 2018-05-04 努比亚技术有限公司 照片拍摄打光方法及移动终端

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CN105554411B (zh) * 2016-02-15 2018-03-06 广东欧珀移动通信有限公司 一种基于屏幕补光的拍照方法、装置及移动终端

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130050233A1 (en) * 2011-08-30 2013-02-28 Research In Motion Limited Device and method for adjusting object illumination
CN104754203A (zh) * 2013-12-31 2015-07-01 华为技术有限公司 拍摄方法、装置及终端
CN107277388A (zh) * 2017-07-27 2017-10-20 青岛海信移动通信技术股份有限公司 移动终端及其补光方法
CN107786817A (zh) * 2017-10-20 2018-03-09 维沃移动通信有限公司 一种拍照方法及移动终端
CN107995437A (zh) * 2017-12-22 2018-05-04 努比亚技术有限公司 照片拍摄打光方法及移动终端

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