WO2018098638A1 - 一种电子设备拍摄方法和装置 - Google Patents

一种电子设备拍摄方法和装置 Download PDF

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Publication number
WO2018098638A1
WO2018098638A1 PCT/CN2016/107753 CN2016107753W WO2018098638A1 WO 2018098638 A1 WO2018098638 A1 WO 2018098638A1 CN 2016107753 W CN2016107753 W CN 2016107753W WO 2018098638 A1 WO2018098638 A1 WO 2018098638A1
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WIPO (PCT)
Prior art keywords
display screen
brightness
interface
subject
electronic device
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PCT/CN2016/107753
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English (en)
French (fr)
Inventor
罗红磊
高峰
蒋德得
许建军
Original Assignee
华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/107753 priority Critical patent/WO2018098638A1/zh
Priority to US16/464,407 priority patent/US10825421B2/en
Priority to EP16922977.0A priority patent/EP3537709B1/en
Priority to CN201680080607.2A priority patent/CN108605096B/zh
Publication of WO2018098638A1 publication Critical patent/WO2018098638A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/53—Constructional details of electronic viewfinders, e.g. rotatable or detachable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/61—Control of cameras or camera modules based on recognised objects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/633—Control of cameras or camera modules by using electronic viewfinders for displaying additional information relating to control or operation of the camera
    • 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
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
    • G09G3/035—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays for flexible display surfaces

Definitions

  • the present invention relates to the field of electronic device technologies, and in particular, to an electronic device shooting method and apparatus.
  • the first method of supplementing light is to use a liquid crystal display of an electronic device to fill light to improve the photographing effect.
  • the brightness of the liquid crystal display is instantly increased by a multiple, the light is shining on the human eye, the human eye feels uncomfortable, the user experience is poor, and the displayed image is poorly displayed;
  • the second complementary light scheme is that the electronic device is used.
  • the flash fills the light to improve the photographing effect. Since the light of the flash is hard, the image is shaded after the fill light, so that the displayed image is poorly displayed.
  • the embodiment of the invention provides a method and a device for capturing an electronic device, so as to improve the display effect of the image captured by the camera of the electronic device and improve the user experience.
  • an electronic device photographing method includes a camera, a main display screen, and at least one flexible display screen, including: after entering the photographing interface, according to pixel coordinate parameters of the photographed object in the photographing interface, Determining a folding angle of the flexible display screen; and/or determining a target brightness of the display screen; and adjusting a brightness of the display screen to a determined target brightness when detecting that the shooting button is pressed.
  • a camera a main display screen
  • at least one flexible display screen including: after entering the photographing interface, according to pixel coordinate parameters of the photographed object in the photographing interface, Determining a folding angle of the flexible display screen; and/or determining a target brightness of the display screen; and adjusting a brightness of the display screen to a determined target brightness when detecting that the shooting button is pressed.
  • the pixel coordinate parameter in the camera interface is used to enhance the image of the captured image by increasing the target brightness of the display screen, and achieve a targeted fill light for the captured image by determining the folding angle of the flexible display screen, thereby improving the image capturing effect. To enhance the user experience.
  • the method further includes: detecting the brightness of the image generated by the subject at the photographing interface after entering the photographing interface, and/or detecting the brightness of the ambient light.
  • the method further includes: when detecting that the brightness of the image generated by the subject at the photographing interface is lower than a first preset threshold, and/or when ambient light When the brightness is lower than the second preset threshold, determining a folding angle of the flexible display screen according to a pixel coordinate parameter of the subject in the shooting interface; and/or determining a target brightness of the display screen.
  • the image capturing effect is poor due to the low brightness of the image generated by the shooting object at the shooting interface or the brightness of the ambient light.
  • the folding angle of the flexible display screen the screen fill light can be realized.
  • Directional control by controlling the target brightness of the display screen, can achieve the control of the intensity and softness of the fill light source, thereby achieving a more stereoscopic and softer fill effect, and improving the image capture effect.
  • the pixel coordinate parameter of the subject in the photographing interface includes: pixel and/or pixel coordinates of the subject in the photographing interface.
  • determining the folding angle of the flexible display screen according to the pixel coordinate parameter of the object in the shooting interface includes: according to the angle of view of the camera module, And a pixel coordinate parameter of the subject in the shooting interface, determining a folding angle of the flexible display screen.
  • the folding angle of the flexible display screen is determined by the angle of view of the camera module and the pixel coordinate parameter of the object in the shooting interface, and the directionality of the screen supplement can be achieved in a targeted and purposeful manner. Control, closer to actual needs.
  • the determining a target brightness of the display screen includes: determining a target brightness of the display screen according to a brightness of the shooting interface.
  • the target brightness of the display screen is determined according to the brightness of the shooting interface, and the determined target brightness can achieve a more complementary light effect, so that the brightness of the imaged image after imaging is softer.
  • the flexible display screen is single-sided or double-sided display.
  • a photographing apparatus is provided, the apparatus being applied to an electronic device including a camera, a main display screen, and at least one flexible display screen, comprising: a determining unit, after entering the photographing interface, according to the object being photographed Detecting a pixel coordinate parameter in the interface, determining a folding angle of the flexible display screen; and/or determining a target brightness of the display screen; and adjusting a unit for adjusting a brightness of the display screen when detecting that the shooting button is pressed Determine the target brightness.
  • the apparatus further includes: a detecting unit, configured to detect a brightness of an image generated by the subject at the photographing interface after entering the photographing interface, and/or detect an environment The brightness of the light.
  • a detecting unit configured to detect a brightness of an image generated by the subject at the photographing interface after entering the photographing interface, and/or detect an environment The brightness of the light.
  • the principle and the beneficial effects of the device can be referred to the first aspect and the possible implementation manners of the first aspect and the beneficial effects. Therefore, the implementation of the device can be referred to the implementation of the method. The repetitions are not repeated here.
  • an electronic device including a camera, a main display screen, and at least one flexible display screen; a memory in which program instructions are stored; and at least one processor configured to execute the program instructions to: After entering the shooting interface, determining a folding angle of the flexible display screen according to a pixel coordinate parameter of the object in the shooting interface; and/or determining a target brightness of the display screen; when detecting that the shooting button is pressed, displaying The brightness of the screen is adjusted to the determined target brightness.
  • the processor invokes instructions stored in the memory to implement the solution in the method design of the first aspect above.
  • a computer storage medium being a non-transitory computer readable storage medium, the non-volatile computer readable storage medium storing at least one program, each of the programs comprising the above
  • the first aspect of the method design relates to computer software instructions for causing the electronic device to perform the method design of the first aspect and the first aspect described above when executed by an electronic device having a processor, a camera, and a flexible display .
  • the present invention provides an image capturing scheme capable of The pixel coordinate parameter of the subject in the shooting interface is used to enhance the photo brightness of the captured image by increasing the target brightness of the display screen, and achieve a targeted fill light for the captured image by determining the folding angle of the flexible display screen. The effect of the image is taken to enhance the user experience.
  • FIG. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
  • 2A, 2B, 2C, and 2D are schematic views of a flexible display screen
  • FIG. 3 is a schematic diagram of a flexible display screen of an electronic device in a folded state according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram showing a flexible display screen of an electronic device in an unfolded state according to an embodiment of the present invention
  • FIG. 5 is a flowchart of an image capturing method according to an embodiment of the present invention.
  • 6A is a schematic view of the captured image after imaging in the shooting interface
  • 6B is a schematic view showing the folding angle of two flexible display screens
  • FIG. 7 is a schematic diagram of determining face pixel coordinates of a face recognition function according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of an image capturing apparatus according to an embodiment of the present invention.
  • FIG. 1 shows an internal structure of an electronic device 100 according to an embodiment of the present invention.
  • the electronic device 100 may include a mobile phone, a tablet, a Personal Digital Assistant (PDA), a Point of Sales (POS), a car computer, a desktop computer, a notebook, a server, and the like.
  • PDA Personal Digital Assistant
  • POS Point of Sales
  • the electronic device 100 may internally include: a processor 102, a memory 101 respectively connected to the processor 102, a display screen 103, and a camera 104, wherein the display screen 103 includes a main display screen 1031 and at least one flexible
  • the display screen 1032 it should be noted that the flexible display screen 1032 can be a flexible, foldable, foldable flexible display screen.
  • the flexible display screen in the embodiment of the present invention is not limited to an Organic Light-Emitting Diode (OLED) and an active moment.
  • Various types of display screens that can realize flexible display such as an active-matrix organic light emitting diode (AMOLED), a micro-LED (Micro-LED), or a liquid crystal display (LCD).
  • AMOLED active-matrix organic light emitting diode
  • Micro-LED micro-LED
  • LCD liquid crystal display
  • the flexible screen preferably an AMOLED display screen
  • FIG. 2A is a schematic view of a flexible flexible display screen
  • FIG. 2B is a schematic view of a foldable flexible display screen
  • FIGS. 2C and 2D are schematic views of a flexible display screen that can be crimped.
  • the flexible display screen 1032 may be a single-sided display or a double-sided display, and the electronic device may be provided with any number of flexible display screens, and the position may be located on the left side, the right side, the upper side of the main display screen, and / or the lower side.
  • the flexible display screen in the embodiment of the present invention may be an active light-emitting flexible display screen, such as an AMOLED flexible display screen, or a passive light-emitting display screen, such as a liquid crystal display.
  • the main display screen in the embodiment of the present invention may be an active illumination display, such as an OLED display or a passive illumination display, such as a liquid crystal display.
  • the flexible display can be in a folded state or in an unfolded state; when the flexible display is in a folded state, the flexible display can be housed in the lower part of the main display or other structures of the electronic device, and FIG. 3 and FIG. 4 are respectively
  • the flexible display screen of the electronic device in the embodiment of the present invention is in a folded state and in a deployed state.
  • the flexible display screen in the embodiment of the present invention may be curled, curved or planar after being unfolded; The description of the form of the flexible display after unfolding does not constitute a limitation on the form of the flexible display.
  • the electronic device 100 may further include an external device such as a speaker, a microphone, or the like.
  • an external device such as a speaker, a microphone, or the like.
  • the electronic device 100 may also include a radio frequency (RF) circuit and a connected antenna, a wireless fidelity (WiFi) module, and a connected antenna.
  • RF radio frequency
  • WiFi wireless fidelity
  • the electronic device 100 also includes a power source for supplying power thereto.
  • FIG. 1 does not constitute a limitation on the electronic device, and may include more or less components than those illustrated, or combine some components, or different components. Arrangement.
  • the memory 101 can be used to store programs and data, and the processor 102 executes various functional applications and data processing of the electronic device 100 by running programs stored in the memory 101.
  • the memory 101 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system (such as an Android operating system, referred to as “Android system” or iOS operating system, or “iOS system” for short), wherein the operating system is also It may be simply referred to as "system"), an application required for at least one function (such as a sound playing function, an image playing function, etc.), etc.; the storage data area may store data created according to the use of the electronic device 100 (such as audio data, Phone book, etc.).
  • an operating system such as an Android operating system, referred to as "Android system” or iOS operating system, or “iOS system” for short
  • the operating system is also It may be simply referred to as "system”
  • an application required for at least one function such as a sound playing function, an image playing function, etc.
  • the storage data area may store data created according to the use of the electronic device 100 (such as audio data, Phone book, etc.).
  • the memory 101 may include a high speed random access memory, and may also include a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the processor 102 is a control center of the electronic device 100, and connects various parts of the entire mobile phone using various interfaces and lines, by running or executing a program (or "module") stored in the memory 101, and calling the memory 101.
  • the internal data performs various functions and processing data of the electronic device 100, thereby performing overall monitoring of the electronic device 100.
  • the processor 102 may include at least one processing unit; optionally, the processor 102 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, an application, and the like.
  • the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 102.
  • the processor 102 calls the application program by running an operating system stored in the memory 101 to complete the functions provided by the application.
  • the operating system in the electronic device 100 calls the program stored in the memory 101, and controls the display screen 103 during shooting, specifically including the main display 1031 and the flexible display 1032, and fills the image through the display screen.
  • the imaging process of the electronic device provided by the embodiment of the present invention is completed.
  • the processor 102 runs a program stored in the memory 101, and after the electronic device 100 enters the shooting interface, determines a folding angle of the flexible display screen 1032 according to the pixel coordinate parameter of the object in the shooting interface, according to the determined Folding the angle to fold the flexible display screen 1032; and/or determining the target brightness of the display screen 103; when detecting that the shooting button is pressed, adjusting the brightness of the display screen 103 to a determined target brightness, wherein the display screen 103
  • the main display 1031 and the flexible display 1032 are included.
  • the main display screen 1031 may include a touch panel, a display unit, and the like.
  • a touch panel also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like, any suitable object or accessory on or near the touch panel).
  • the corresponding connecting device is driven according to a preset program.
  • the touch panel may include two parts: a touch detection device and a touch controller.
  • touch panels can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the processor 102 is provided and can receive commands from the processor 102 and execute them.
  • the display unit can be used to display information input by the user or information provided to the user as well as various menus of the electronic device 100.
  • the display unit may be configured in the form of a liquid crystal display (LCD), an active matrix organic light-emitting diode (AMOLED), or the like.
  • the touch panel can be integrated with the display unit as the main display 1031 for implementing the input and output functions of the electronic device 100, or the touch panel and the display unit can be implemented as two separate components to implement the electronic respectively.
  • the touch panel may cover the display unit, and when the touch panel detects a touch operation on or near the touch panel, the touch panel transmits to the processor 102 to determine the type of the touch event, and then the processor 102 provides a corresponding visual output on the display unit based on the type of touch event. This embodiment of the present invention does not limit this.
  • the RF circuit can be used for transmitting and receiving information or receiving and transmitting signals during the call.
  • the downlink information is handed over to the processor 102 for processing; in addition, the uplink data is sent. To the base station.
  • RF circuits include, but are not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • the RF circuit can communicate with the network and other devices through wireless communication.
  • the wireless communication can use any communication standard or protocol, including but not limited to:
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • SMS Short Messaging Service
  • an audio circuit, a speaker, and a microphone provide an audio interface between the user and the electronic device 100.
  • the audio circuit can transmit the converted electrical signal of the received audio data to the speaker and convert it into a sound signal output by the speaker; on the other hand, the microphone converts the collected sound signal into an electrical signal, which is received by the audio circuit and converted into audio.
  • the data is then output to an RF circuit for transmission to other electronic devices, such as a cell phone, or the audio data is output to memory 101 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the electronic device 100 can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module, which provides users with wireless broadband Internet access.
  • FIG. 1 shows a WiFi module, it can be understood that it does not belong to the essential configuration of the electronic device 100, and may be omitted as needed within the scope of not changing the essence of the embodiment of the present invention.
  • the electronic device 100 also includes a power source (such as a battery) that supplies power to the various components.
  • a power source such as a battery
  • the power source can be logically coupled to the processor 102 through a power management system to manage functions such as charging, discharging, and power consumption through the power management system.
  • the electronic device 100 may also include sensors (such as light sensors, motion sensors, etc.).
  • the light sensor can include an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display unit according to the brightness of the ambient light, and the proximity sensor can turn off the display unit and/or the backlight when the electronic device 100 moves to the ear.
  • the accelerometer sensor can detect in all directions (usually three axes)
  • the magnitude of the acceleration, the magnitude and direction of gravity can be detected at rest, and can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap) Wait.
  • sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, and the like that can be configured in the electronic device 100 are not described herein.
  • the electronic device 100 may further include an NFC module, a Bluetooth module, and the like, and details are not described herein again.
  • An embodiment of the present invention provides a method for photographing an electronic device, which may be performed by the electronic device 100 as described above, and relates to various technologies for performing image capturing using an electronic device, where the electronic device is used. After performing various functions of image capturing, including entering the shooting interface, determining a folding angle of the flexible display screen according to a pixel coordinate parameter of the captured object in the shooting interface; and/or determining a target brightness of the display screen; When the shooting button is pressed, the brightness of the display is adjusted to the determined target brightness.
  • the mobile phone determines a folding angle of the flexible display screen according to a pixel coordinate parameter of the object to be photographed in the shooting interface; and determines a target brightness of the display screen;
  • the operation of the mobile phone to determine the target brightness of the display is optional.
  • the mobile phone determines a folding angle of the flexible display screen according to a pixel coordinate parameter of the object to be photographed in the shooting interface; and determines a target brightness of the display screen;
  • the operation of the mobile phone to determine the target brightness of the display is optional.
  • the display screens in scene one and scene two include a main display screen and a flexible display screen, and the flexible display screen is a single-sided display or a double-sided display, and the single-sided display, the folding in the scene one The display is shown on the front; the folding display shown in Scene 2 is shown on the back.
  • FIG. 5 is a flowchart of an implementation of an image capturing method corresponding to a possible implementation manner provided by the foregoing scenario 1 and scenario 2. The process specifically includes the following steps:
  • Step 50 After entering the shooting interface, detecting the brightness of the image generated by the subject at the shooting interface, and/or detecting the brightness of the ambient light.
  • Step 51 When it is detected that the brightness of the image generated by the subject at the shooting interface is lower than a first preset threshold, and/or when the brightness of the ambient light is lower than a second preset threshold, according to the subject being Pixel coordinate parameters in the imaging interface, determining a folding angle of the flexible display screen; and/or determining a target brightness of the display screen.
  • the pixel coordinate parameter of the subject in the photographing interface includes: pixel and/or pixel coordinates of the subject in the photographing interface.
  • determining a folding angle of the flexible display screen according to a pixel coordinate parameter of the object in the shooting interface including:
  • determining the folding angle of the flexible display screen according to the angle of view of the camera module and the pixel coordinate parameter of the object in the shooting interface may include the following two situations:
  • the flexible display screen is located on the left side of the main display screen of the terminal.
  • the horizontal pixel value p1 of the left lower boundary point of the subject after imaging on the main display screen is acquired;
  • the camera module based on the terminal is The number of pixels X in the horizontal direction, the angle of view ⁇ of the camera module, and the p1 determine the folding angle ⁇ 1 corresponding to the flexible display on the left side by the following formula:
  • the second case is: the flexible display screen is located on the right side of the main display screen of the terminal, and at this time, the horizontal pixel value p2 of the upper right boundary point of the subject after imaging on the main display screen is acquired; the camera mode based on the terminal
  • the number of pixels X in the horizontal direction, the angle of view ⁇ of the camera module, and the a2, the folding angle ⁇ 2 of the flexible display on the right side is determined by the following formula
  • the folding angle of the flexible display screen describes the complementary angle between the flexible display screen and the two planes of the main screen.
  • the flexible display screen is folded from the plane corresponding to the main screen toward the front side of the terminal.
  • the display screen is a single-sided display or a double-sided display on the front side; similarly, when the rear camera is turned on, the flexible display screen is folded from the plane corresponding to the main screen toward the back of the terminal.
  • the display screen is a single-sided display or a double-sided display on the back.
  • the front side of the display screen is consistent with the front side of the terminal, and the back side of the display screen is aligned with the back side of the terminal.
  • FIG. 6A is a schematic diagram of the captured image in the shooting interface
  • FIG. 6B is a folding of the two flexible display screens. Angle diagram.
  • the face recognition function is determined by using the face recognition function as an example to describe the folding angle determining process of the flexible display screen.
  • the embodiment of the present invention is not limited to a human face, and is also applicable to a subject or other object.
  • the camera module of the terminal is 8 million pixels, and the field of view is 94°.
  • the chip pixel 3264*2448 obtains the pixel and/or pixel coordinates of the object through the scene recognition function, and is processed by image signal (
  • the face recognition function of Image Signal Processing (ISP) determines the pixel coordinate value of the lower left side of the captured face (408, 612), and the pixel coordinate value of the upper right side is (2047, 1835).
  • the face contour is 1639x1223pixel.
  • the determining the target brightness of the display screen includes: determining a target brightness of the display screen according to the brightness of the shooting interface.
  • the display includes a primary display and a flexible display.
  • the target brightness of the display screen can be adjusted by adjusting the OLED anode-anode power source or adjusting the gray scale data; It is a passive light-emitting display.
  • the LCD screen when used, the brightness of the backlight can be adjusted, and/or the display gray level can be adjusted to adjust the target brightness of the display.
  • determining the target brightness of the display screen according to the brightness of the shooting interface can be achieved by the following process:
  • the display screen includes a main display screen and a flexible display screen, wherein the main display screen may be an active illumination display screen (for example: OLED display) Screen), or passive light-emitting display (eg LCD); flexible display can be active light-emitting flexible display (eg OLED flexible display), or passive light-emitting flexible display (eg LCD display) ).
  • the main display screen may be an active illumination display screen (for example: OLED display) Screen), or passive light-emitting display (eg LCD); flexible display can be active light-emitting flexible display (eg OLED flexible display), or passive light-emitting flexible display (eg LCD display) ).
  • S3 determining a difference between the display brightness of each sub-window and the third preset threshold after the subject is imaged on the main display screen, and determining the fill light brightness of each of the sub-windows.
  • S4 Determine, according to the determined mapping relationship of each sub-window, the target brightness of the display screen mapped by each column sub-window according to the determined mapping relationship between each sub-window and the display screen.
  • the process of determining the target brightness of the display screen will be described by taking the above terminal as having two flexible display screens as an example.
  • the mapping relationship of the screen is as follows: the left and left columns correspond to the flexible display on the left side, and the right and right columns correspond to the flexible display on the right side, and the middle, middle, and second columns correspond to
  • the main display screen is used to fill light; and the complementary brightness of the corresponding 8*6 sub-windows can be determined by the gray level of the pre-recorded picture, which is determined by the gray level of the embodiment of the present invention.
  • the picture is set to 0 to 255, and the preset picture gray level is set to 255, corresponding to 5 gradients.
  • Fig. 7 the mapping relationship between the image fill light brightness and the screen display picture of each sub-window is shown. Specifically, when determining the fill light brightness of each sub-window, it is necessary to determine the picture gradation of each sub-window, and at this time, the gradation of each pixel included in each sub-window can be averaged to obtain the picture gradation of each sub-window. .
  • the target brightness of the display screen may also be set as the preset target brightness.
  • the brightness of each sub-window of the display screen is uniform, or the molecular window is not displayed.
  • the brightness is the same, for example: all white, the brightest, etc.
  • step 51 when the target brightness of the display screen is adjusted, the display color of the display screen may also be adjusted.
  • Step 52 When it is detected that the shooting button is pressed, the brightness of the display screen is adjusted to the determined target brightness.
  • step 52 when adjusting the brightness of the display screen, optionally, the color of the display screen may also be adjusted.
  • the brightness of the display screen is adjusted to the determined target brightness and maintained until the shooting file is generated, and the brightness of the display screen is restored to the brightness before the unadjusted brightness.
  • the photo-filling of the captured image can be achieved by increasing the target brightness of the display screen according to the pixel coordinate parameter of the subject in the imaging interface, by determining the folding angle of the flexible display screen. Aiming the complementary image of the captured image to enhance the image capture effect and enhance the user experience.
  • an embodiment of the present invention further provides an electronic device, such as FIG. 1 and FIG. And the electronic device illustrated in FIG.
  • the electronic device includes a camera, a primary display screen and at least one flexible display screen, a memory and at least one processor; the components are connected by a bus.
  • the memory is for storing computer executable program code, the program code comprising instructions; when the processor executes the instructions, the instructions cause the electronic device to perform a photographing method of an embodiment of the method of the present invention; for example, the method of the present invention is implemented
  • the method of steps 50, 51, 52 in Figure 5 is illustrated.
  • the implementation of the electronic device may refer to the implementation of the foregoing method, and the repeated description is not repeated.
  • FIG. 8 a schematic structural diagram of an image capturing apparatus according to an embodiment of the present invention is shown.
  • the image capturing device 800 is applied to an electronic device including a camera, a main display screen and at least one flexible display screen, and can be used to perform an execution process of the electronic device in the method shown in FIG. 1 to FIG. 7.
  • the image capturing device 800 includes: A determining unit 810 and an adjusting unit 811, wherein:
  • a determining unit 810 configured to perform the method of step 50 in FIG. 5 of the method embodiment of the present invention, for example, for determining the flexible display screen according to pixel coordinate parameters of the subject in the shooting interface after entering the shooting interface Folding the angle; and/or, determining the target brightness of the display;
  • determining unit 810 For the implementation of the determining unit 810, reference may be made to the description corresponding to the step 50 in FIG. 5 of the method embodiment of the present invention, and details are not described herein again.
  • the adjusting unit 811 is configured to perform the method of step 52 in FIG. 5 of the method embodiment of the present invention, for example, for adjusting the brightness of the display screen to the determined target brightness when detecting that the shooting button is pressed; the implementation of the adjusting unit 811
  • the method reference may be made to the description corresponding to step 52 in FIG. 5 of the method embodiment of the present invention, and details are not described herein again.
  • the image capturing apparatus 800 further includes:
  • the detecting unit 812 is configured to detect the brightness of the image generated by the subject at the shooting interface after entering the shooting interface, and/or detect the brightness of the ambient light.
  • the determining unit 810 is further configured to perform the method in step 51 in FIG. 5 of the method embodiment of the present invention, for example:
  • the detecting unit detects the brightness of an image generated by the subject at the photographing interface Below a first predetermined threshold, and/or when the brightness of the ambient light is below a second predetermined threshold,
  • determining unit 810 For the implementation of the determining unit 810, reference may be made to the description corresponding to the step 51 in FIG. 5 of the method embodiment of the present invention, and details are not described herein again.
  • the pixel coordinate parameter of the subject in the photographing interface includes: pixel and/or pixel coordinates of the subject in the photographing interface.
  • the determining unit 810 is specifically configured to:
  • the determining unit 810 is specifically configured to: determine a target brightness of the display screen according to the brightness of the shooting interface.
  • the flexible display screen is a single-sided display or a double-sided display.
  • the image capturing apparatus 800 may be an independent component, or may be integrated into other components.
  • the image capturing apparatus 800 provided by the embodiment of the present invention may be a terminal in an existing communication network. It can be a component integrated in the terminal.
  • each of the above “units” may be through a specific application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or others that provide the above functions.
  • ASIC application-specific integrated circuit
  • processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or others that provide the above functions.
  • the device is implemented.
  • the implementation of the image capturing device can be referred to the implementation of the method, and the repeated description is omitted.
  • the storage medium is a non-transitory medium, such as random access memory, read only memory, flash memory, hard disk, solid state hard disk, magnetic tape (English: magnetic tape), floppy disk (English: Floppy disk), optical disc (English: optical disc) and any combination thereof.
  • FIG. 1 These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.

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Abstract

一种电子设备拍摄方法和装置，该电子设备包括摄像头、主显示屏和至少一个柔性显示屏，该方法为，在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或确定显示屏的目标亮度；当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度，这样，当利用电子设备拍摄图像时，能够根据被拍摄对象在拍摄界面中的像素坐标参数，通过提升显示屏的目标亮度来实现对被拍摄图像的拍照补光，提升图像的拍摄效果。

Description

一种电子设备拍摄方法和装置 技术领域
本发明涉及电子设备技术领域，尤其涉及一种电子设备拍摄方法和装置。
背景技术
随着电子技术的飞速发展，对电子设备的摄像拍摄技术的要求也越来越高，而拍摄性能的好坏不仅取决于摄像头硬件设备的性能，还取决于光源控制的优劣。
目前，用户使用电子设备的摄像头拍照时，存在两种拍照补光方案，第一种补光方案是，采用电子设备的液晶显示屏进行补光，以改善拍照效果，这种显示补光方案中液晶显示屏的亮度瞬间提高多倍，光线正对人眼闪光，人眼会感到不舒适，用户体验差，从而使拍摄的图像的显示效果差；第二种补光方案是，采用电子设备的闪光灯进行补光，以改善拍照效果，由于闪光灯的光线较硬，补光后图像阴影明显，从而使拍摄的图像的显示效果差。
因此，用户使用电子设备摄像头拍照时，采用现有的拍照补光方案，使拍摄的图像的显示效果差。
发明内容
本发明实施例提供一种电子设备拍摄方法和装置，以提高电子设备摄像头拍摄图像的显示效果，提升用户体验。
第一方面，提供一种电子设备拍摄方法，所述电子设备包括摄像头、主显示屏和至少一个柔性显示屏，包括：在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或确定显示屏的目标亮度；当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。这样，当利用电子设备拍摄图像时，能够根据被拍摄对象在拍 摄界面中的像素坐标参数，通过提升显示屏的目标亮度来实现对被拍摄图像的拍照补光，通过确定柔性显示屏的折叠角度针对被拍摄图像实现针对性的补光，提升图像的拍摄效果，提升用户体验。
结合第一方面，一种可能的设计中，所述方法还包括：在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
结合第一方面，一种可能的设计中，所述方法还包括：当检测到所述被拍摄对象在拍摄界面所生成的图像的亮度低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或确定显示屏的目标亮度。这种设计中，由于拍摄对象在拍摄界面所生成的图像的亮度较低或环境光的亮度时图像的拍摄效果较差，此时，通过控制柔性显示屏的折叠角度，能够实现屏幕补光的方向性控制，通过控制显示屏的目标亮度，能够实现补光光源的强度和柔和度的控制，从而实现更加立体更加柔和的补光效果，提升图像拍摄效果。
结合第一方面，一种可能的设计中，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
结合第一方面，一种可能的设计中，根据被拍摄对象在拍摄界面中的像素坐标参数，所述确定所述柔性显示屏的折叠角度，包括：根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。这种设计中，通过摄像头模组的视场角、被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度，能够有针对性有目的性的实现屏幕补充的方向性控制，更加贴近实际需求。
结合第一方面，一种可能的设计中，所述确定显示屏的目标亮度，包括：根据拍摄界面的亮度，确定显示屏的目标亮度。这种设计中，根据拍摄界面的亮度，确定显示屏的目标亮度，确定的目标亮度能够实现更加的补光效果，使成像后的拍摄图像的亮度更加柔和。
结合第一方面，一种可能的设计中，所述柔性显示屏为单面显示或双面 显示。
第二方面，提供一种拍摄装置，所述装置应用与于包括摄像头、主显示屏和至少一个柔性显示屏的电子设备，包括：确定单元，用于在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或，确定显示屏的目标亮度；调整单元，用于当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
结合第二方面，一种可能的设计中，所述装置还包括：检测单元，用于在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
基于同一发明构思，由于该装置解决问题的原理以及有益效果可以参见上述第一方面和第一方面的各可能的实施方式以及所带来的有益效果，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
第三方面，提供一种电子设备，包括摄像头、主显示屏和至少一个柔性显示屏；存储器，所述存储器中存储有程序指令；至少一个处理器，用于执行所述程序指令以实现：在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或，确定显示屏的目标亮度；当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。所述处理器调用存储在所述存储器中的指令以实现上述第一方面的方法设计中的方案，由于该电子设备解决问题的实施方式以及有益效果可以参见上述第一方面和第一方面的各可能的方法的实施方式以及有益效果，因此该电子设备的实施可以参见上述方法的实施，重复之处不再赘述。
第四方面，提供一种计算机存储介质，所述存储介质为非易失性计算机可读存储介质，所述非易失性计算机可读存储介质存储有至少一个程序，每个所述程序包括上述第一方面方法设计方案所涉及所用的计算机软件指令，所述指令当被具有处理器、摄像头和柔性显示屏的电子设备执行时使所述电子设备执行上述第一方面和第一方面的方法设计。
相较于现有技术中的图像拍摄方案，本发明提供图像拍摄方案，能够根据 被拍摄对象在拍摄界面中的像素坐标参数，通过提升显示屏的目标亮度来实现对被拍摄图像的拍照补光，通过确定柔性显示屏的折叠角度针对被拍摄图像实现针对性的补光，提升图像的拍摄效果，提升用户体验。
附图说明
图1为本发明实施例中电子设备的结构示意图；
图2A、图2B、图2C、图2D为柔性显示屏的示意图；
图3为本发明实施例中电子设备的柔性显示屏呈折叠态的示意图；
图4为本发明实施例中电子设备的柔性显示屏呈展开态的示意图；
图5为本发明实施例中的图像拍摄方法流程图；
图6A为被拍摄图像在拍摄界面中的成像后的示意图；
图6B为两个柔性显示屏的折叠角度示意图；
图7为本发明实施例中人脸识别功能确定人脸像素坐标的示意图；
图8为本发明实施例中图像拍摄装置结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行详细地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。图1示出了本发明实施例提供的电子设备100的内部结构。电子设备100可包括手机、平板电脑、个人数字助理(Personal Digital Assistant，PDA)、销售终端(Point of Sales，POS)、车载电脑、台式电脑、笔记本、服务器等。
如图1所示，电子设备100内部可包括：处理器102、分别与处理器102连接的存储器101、显示屏103和摄像头104，其中，所述显示屏103包括主显示屏1031和至少一个柔性显示屏1032，需要说明的是，所述柔性显示屏1032可以为可弯曲，可卷曲，可折叠的柔性显示屏。本发明实施例中的柔性显示屏不限于有机发光二极管(Organic Light-Emitting Diode,OLED)、有源矩 阵有机发光二极体(Active-matrix organic light emitting diode，AMOLED)，微型LED(Micro-LED)或者液晶显示器(Liquid Crystal Display，LCD)等可实现柔性显示的各种类的显示屏。柔性屏，优选为AMOLED显示屏，其中，图2A为可弯曲的柔性显示屏的示意图，图2B为可折叠的柔性显示屏的示意图，图2C和图2D为可卷曲的柔性显示屏的示意图。需要说明的是，所述柔性显示屏1032可以为单面显示或双面显示，电子设备可以设置有任意数量的柔性显示屏，位置可以位于主显示屏的左侧、右侧、上侧、和/或下侧。
需要说明的是，本发明实施例中的柔性显示屏可以为主动式发光柔性显示屏，例如：AMOLED柔性显示屏；也可以为被动式发光显示屏，例如：液晶显示屏。本发明实施例中的主显示屏可以为主动式发光显示屏，例如：OLED显示屏或者；也可以为被动式发光显示屏，例如：液晶显示屏。
柔性显示屏可以呈折叠态，也可以呈展开态；当柔性显示屏呈折叠态时，柔性显示屏可以被收纳在主显示屏下部或电子设备的其他结构中，图3、图4分别为本发明实施例中电子设备的柔性显示屏折叠态以及展开态的示意图；其中，本发明实施例中的柔性显示屏展开后可以呈现为卷曲、弯曲或平面的；图4中以平面为例，示意性说明柔性显示屏展开后的形态，不构成对柔性显示屏形态的限定。
可选地，电子设备100还可包括扬声器、麦克等外部设备。当电子设备100采用无线方式与外界通信时，还可包括射频(Radio Frequency，RF)电路和连接的天线，无线保真(Wireless Fidelity，WiFi)模块和连接的天线等。此外，电子设备100还包括为其供电的电源。
本领域技术人员可以理解，图1中示出的电子设备的内部结构并不构成对电子设备的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图1对电子设备100的各个构成部件进行具体的介绍：
存储器101可用于存储程序和数据，处理器102通过运行存储在存储器101的程序从而执行电子设备100的各种功能应用以及数据处理。
存储器101可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作***(比如：安卓操作***，简称“安卓***”或iOS操作***，简称“iOS***”，其中，操作***也可简称为“***”)、至少一个功能所需的应用程序(比如：声音播放功能、图像播放功能等)等；存储数据区可存储根据电子设备100的使用所创建的数据(比如音频数据、电话本等)等。
此外，存储器101可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器102是电子设备100的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器101内的程序(或称为“模块”)，以及调用存储在存储器101内的数据，执行电子设备100的各种功能和处理数据，从而对电子设备100进行整体监控。
可选的，处理器102可包括至少一个处理单元；可选地，处理器102可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作***、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器102中。
其中，处理器102通过运行存储器101中存储的操作***，调用应用程序，完成应用程序所提供的功能。
本发明实施例中，电子设备100中的操作***调用存储器101中存储的程序，在拍摄时，控制显示屏103，具体包括主显示屏1031和柔性显示屏1032，通过显示屏为拍摄对象补光，完成本发明实施例提供的电子设备拍摄流程。
处理器102运行存储器101中存储的程序，执行：在电子设备100进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏1032的折叠角度，根据所确定的折叠角度折叠所述柔性显示屏1032；和/或确定显示屏103的目标亮度；当检测到按下拍摄按钮时，将显示屏103的亮度调整到确定的目标亮度，其中，所述显示屏103，包括主显示屏1031和柔性显示屏1032。
本发明实施例中，主显示屏1031可包括触控面板、显示单元等。
触控面板，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板上或在触控面板附近的操作)，并根据预先设定的程式驱动相应的连接装置。
可选的，触控面板可包括触摸检测装置和触摸控制器两个部分。
此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板。
其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器102，并能接收处理器102发来的命令并加以执行。
显示单元可用于显示由用户输入的信息或提供给用户的信息以及电子设备100的各种菜单。可选的，可以采用液晶显示器(Liquid Crystal Display，LCD)、有源矩阵有机发光二极管(Active Matrix Organic Light-Emitting Diode,AMOLED)等形式来配置显示单元。
如图1所示，触控面板可与显示单元集成为主显示屏1031，用于实现电子设备100的输入和输出功能，或者触控面板与显示单元可以作为两个独立的部件来分别实现电子设备100的输入和输出功能，进一步的，触控面板可覆盖显示单元，当触控面板检测到在其上或附近的触摸操作后，传送给处理器102以确定触摸事件的类型，随后处理器102根据触摸事件的类型在显示单元上提供相应的视觉输出。本发明实施例对此并不做限定。
RF电路可用于收发信息或在通话过程中，完成信号的接收和发送，特别地，将收到基站发送的下行信息接收后，将下行信息交给处理器102处理；另外，将上行的数据发送给基站。
通常，RF电路包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(Low Noise Amplifier，LNA)、双工器等。
此外，RF电路还可以通过无线通信与网络和其他设备通信。
所述无线通信可以使用任一通信标准或协议，包括但不限于：
全球移动通讯***(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long Term Evolution,LTE)、电子邮件、短消息服务(Short Messaging Service，SMS)等。
图1中，音频电路、扬声器，麦克风可提供用户与电子设备100之间的音频接口。
音频电路可将接收到的音频数据转换后的电信号，传输到扬声器，由扬声器转换为声音信号输出；另一方面，麦克风将收集的声音信号转换为电信号，由音频电路接收后转换为音频数据，再将音频数据输出至RF电路以发送给其他电子设备，比如：手机，或者将音频数据输出至存储器101以便进一步处理。
WiFi属于短距离无线传输技术，电子设备100通过WiFi模块可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。
虽然图1示出了WiFi模块，但是可以理解的是，其并不属于电子设备100的必须构成，完全可以根据需要在不改变本发明实施例的本质的范围内而省略。
电子设备100还包括给各个部件供电的电源(比如电池)，可选地，电源可以通过电源管理***与处理器102逻辑相连，从而通过电源管理***实现管理充电、放电、以及功耗等功能。
电子设备100还可包括传感器(比如：光传感器、运动传感器等)。
具体地，光传感器可包括环境光传感器及接近传感器。
其中，环境光传感器可根据环境光线的明暗来调节显示单元的亮度，接近传感器可在电子设备100移动到耳边时，关闭显示单元和/或背光。
作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴) 加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等。
至于电子设备100还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
此外，电子设备100还可包括NFC模块、蓝牙模块等，在此不再赘述。
下面介绍本发明实施例提供的方法。
本发明实施例提供一种电子设备拍摄方法，该方法可以由如前所述的电子设备100来执行，本发明实施例中涉及使用电子设备进行图像拍摄的各种技术，其中，该电子设备用于实现图像拍摄的各种功能，包括在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或确定显示屏的目标亮度；当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
对于用户通过电子设备实现图像拍摄的电子设备拍摄过程，下面通过具体的场景进行说明：
场景1：
1.在手机上，用户点击相机的应用图标，进入拍摄界面后开启前置摄像头进入自拍模式的拍摄界面；
2.手机根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；确定显示屏的目标亮度；
3.当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
其中，手机确定显示屏的目标亮度的操作是可选的。
场景2：
1.在手机上，用户点击相机的应用图标，进入拍摄界面后开启后置摄像头进入正常拍摄模式的拍摄界面；
2.手机根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；确定显示屏的目标亮度；
3.当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
其中，手机确定显示屏的目标亮度的操作是可选的。
值得一提的是，场景一和场景二中的显示屏包括主显示屏和柔性显示屏，所述柔性显示屏为单面显示或双面显示，在单面显示时，场景一中所述折叠显示屏在正面显示；场景二中所述折叠显示屏在背面显示。
图5为针对上述场景1和场景2提供的一种可能的实施方式对应的图像拍摄方法实现流程图，该流程具体包括如下步骤：
步骤50：在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
步骤51：当检测到所述被拍摄对象在拍摄界面所生成的图像的亮度低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或确定显示屏的目标亮度。
其中，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
具体的，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度，包括：
根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。
进一步的，根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度，可以包括以下两种情形：
第一种情形为：柔性显示屏位于终端的主显示屏的左侧，此时，获取被拍摄对象在主显示屏成像后的左下侧边界点的水平像素值p1；基于终端的摄像头模组在水平方向的像素数X、所述摄像头模组的视场角β以及所述p1，利用以下公式确定左侧的柔性显示屏对应的折叠角度α1：
α1＝90°+(0.5×X-p1)÷(0.5×X)×0.5×β
第二种情形为：柔性显示屏位于终端的主显示屏的右侧，此时，获取被拍摄对象在主显示屏成像后的右上侧边界点的水平像素值p2；基于所述终端的摄像头模组在水平方向的像素数X、所述摄像头模组的视场角β以及所述a2，利用以下公式确定右侧的柔性显示屏的折叠角度α2
α2＝90°+(p1-0.5×X)÷(0.5×X)×0.5×β
需要说明的是，上述公式仅为一种示例性的实现方式，实际应用中也可以通过其他可能的实现方式来确定柔性显示屏对应的折叠角度，这里不作具体限定。
其中，柔性显示屏的折叠角度描述的是柔性显示屏与主屏两个平面之间的夹角的补角，当开启前置摄像头时，柔性显示屏从与主屏一致的平面朝向终端的正面进行折叠，直到确定的折叠角度为止，此时，显示屏为正面的单面显示或者双面显示；同理，当开启后置摄像头时，柔性显示屏从与主屏一致的平面朝向终端的背面进行折叠，直到确定的折叠角度为止，此时，显示屏为背面的单面显示或者双面显示。其中，显示屏的正面与终端的正面一致，显示屏的背面与终端的背面一致。
以终端具有两个柔性显示屏为例来说明柔性显示屏的折叠角度的确定过程，图6A所示为被拍摄图像在拍摄界面中的成像后的示意图，图6B为两个柔性显示屏的折叠角度示意图。
本发明实施例的图7中以人脸识别功能确定人脸像素坐标为例，来说明柔性显示屏的折叠角度确定过程，但本发明实施例不限于人脸，同样适用于被拍摄对象或其他被拍摄物体的特征在拍摄界面中的像素坐标。
其中，以终端的摄像头模组为800万像素，视场角为94°为例，芯片像素3264*2448，通过景物识别功能，得到被拍摄对象的像素和/或像素坐标，通过图像信号处理(Image Signal Processing，ISP)的人脸识别功能确定出被拍摄的人脸左下侧像素坐标值为(408，612)，右上侧的像素坐标值为(2047，1835)， 得到人脸轮廓的为1639x1223pixel。
以模组方向与被拍摄对象同向为例，计算左侧的柔性显示屏的折叠角度α1和右侧的柔性显示屏的折叠角度α2：
α1＝90°+(0.5×3264-408)÷(0.5×3264)×0.5×94°＝125°,得到左侧的柔性显示屏的折叠角度α1＝125°；
α2＝90°+(2047-0.5×3264)÷(0.5×3264)×0.5×94°＝102°,得到右侧的柔性显示屏的折叠角度α2＝102°。
具体的，所述确定显示屏的目标亮度，包括：根据拍摄界面的亮度，确定显示屏的目标亮度。此时，显示屏包括主显示屏和柔性显示屏。
具体的，当柔性显示屏是主动式发光柔性显示屏，例如：OLED柔性显示屏时，可以通过调节OLED阴阳极电源，或调节灰阶数据，实现调节显示屏的目标亮度；而当柔性显示屏是被动式发光显示屏，例如：液晶显示屏时，可通过调节背光灯亮度，和/或调节显示灰度，实现调节显示屏的目标亮度
具体的，根据拍摄界面的亮度，确定显示屏的目标亮度，可以通过以下过程实现：
S1：将终端的主显示屏划分为m行n列的m*n个子窗口；
S2：确定主显示屏的每列子窗口与显示屏的映射关系，此时，所述显示屏包括主显示屏和柔性显示屏，其中，主显示屏可以为主动式发光显示屏(例如：OLED显示屏)、或被动式发光显示屏(例如：液晶显示屏)；柔性显示屏可以为主动式发光柔性显示屏(例如：OLED柔性显示屏)，也可以是被动式发光柔性显示屏(例如：液晶显示屏)。
S3：将拍摄对象在主显示屏成像后每个子窗口的显示亮度与第三预设阈值之间的差值，确定为所述每个子窗口的补光亮度。
S4：根据每列子窗口与显示屏的映射关系，根据所确定的所述每个子窗口的补光亮度确定每列子窗口所映射的显示屏的目标亮度。
继续以上述终端具有两个柔性显示屏为例来说明显示屏的目标亮度确定过程。
终端的摄像头利用ISP测光模块获取被拍摄图像在主显示屏成像后的亮度信息，把预拍摄到的图片分为若干子窗口，这里分为8*6＝48个子窗口，6列子窗口与显示屏的映射关系为：左1、左2列对应由左侧的柔性显示屏来补光，右1、右2列对应由右侧的柔性显示屏来补光，中1、中2列对应由主显示屏来补光；而对应的8*6个子窗口的补光亮度，可由预拍摄画面的画面灰度决定显示屏的拍照瞬间的目标亮度，示例性的，本发明实施例以灰阶白画面设置为0～255，预设的画面灰度设置为255，对应5个梯度，如图7所示为各子窗口的图像补光亮度与屏幕显示画面的映射关系过程图。具体的，在确定各个子窗口的补光亮度时，需要确定各个子窗口的画面灰度，此时可以将各子窗口内包括的各像素的灰度求平均值得到各个子窗口的画面灰度。
可选的，在确定显示屏的目标亮度时，所述显示屏的目标亮度也可以设置为预设目标亮度，此时，显示屏的各子窗口的亮度一致，或者不分子窗口，整个显示屏的亮度相同，例如：全白，最亮等。
可选的，步骤51中在调节显示屏的目标亮度时，还可以调节显示屏的显示颜色。
步骤52：当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
其中，步骤52中在调节所述显示屏的亮度时，可选的，还可以调节所述显示屏的颜色。
进一步的，当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度并维持，直至生成拍摄文件后，将所述显示屏的亮度恢复至未调节亮度之前的亮度。
这样，当利用电子设备拍摄图像时，能够根据被拍摄对象在拍摄界面中的像素坐标参数，通过提升显示屏的目标亮度来实现对被拍摄图像的拍照补光，通过确定柔性显示屏的折叠角度针对被拍摄图像实现针对性的补光，提升图像的拍摄效果，提升用户体验。
基于上述实施例，本发明实施例还提供一种电子设备，例如图1、图3以 及图4所示意的电子设备。该电子设备包括摄像头、主显示屏和至少一个柔性显示屏，存储器以及至少一个处理器；各部件通过总线连接。
存储器用于存储计算机可执行程序代码，所述程序代码包括指令；当处理器执行所述指令时，所述指令使所述电子设备执行本发明方法实施例的拍摄方法；例如：本发明方法实施例图5中步骤50、51、52的方法。由于该电子设备解决问题的实施方式以及有益效果可以参见上述方法的实施方式以及所带来的有益效果，因此该电子设备的实施可以参见上述方法的实施，重复之处不再赘述。
基于上述实施例，如图8所示，为本发明实施例提供的图像拍摄装置的结构示意图。该图像拍摄装置800应用于包括摄像头、主显示屏和至少一个柔性显示屏的电子设备，可以用于执行图1-图7所示的方法中电子设备的执行过程，该图像拍摄装置800包括：确定单元810和调整单元811，其中：
确定单元810，用于执行本发明方法实施例图5中步骤50的方法，例如：用于在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或，确定显示屏的目标亮度；
确定单元810的实施方式可以参考本发明方法实施例图5中步骤50对应的描述，在此不再赘述。
调整单元811，用于执行本发明方法实施例图5中步骤52的方法，例如：用于当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度；调整单元811的实施方式可以参考本发明方法实施例图5中步骤52对应的描述，在此不再赘述。
可选的，所述图像拍摄装置800还包括：
检测单元812，用于在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
可选的，所述确定单元810还用于执行本发明方法实施例图5中步骤51的方法，例如：
当所述检测单元检测到所述被拍摄对象在拍摄界面所生成的图像的亮度 低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，
根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或
确定显示屏的目标亮度；
确定单元810的实施方式可以参考本发明方法实施例图5中步骤51对应的描述，在此不再赘述。
可选的，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
可选的，所述确定单元810具体用于：
根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。
可选的，所述确定单元810具体用于：根据拍摄界面的亮度，确定显示屏的目标亮度。
可选的，所述柔性显示屏为单面显示或双面显示。
本发明实施例上述涉及的图像拍摄装置800，可以是独立的部件，也可以是集成于其他部件中，例如本发明实施例提供的上述图像拍摄装置800可以是现有通信网络中的终端，也可以是集成于终端内的部件。
需要说明的是，本发明实施例中的图像拍摄装置800的各个单元的功能实现以及交互方式可以进一步参照相关方法实施例的描述，在此不再赘述。
另外，以上各“单元”可以通过特定应用集成电路(application-specific integrated circuit，ASIC)，执行一个或多个软件或固件程序的处理器和存储器，集成逻辑电路，和/或其他可以提供上述功能的器件来实现。
由于该图像拍摄装置800解决问题的实施方式以及有益效果可以参见本发明方法实施例的实施方式以及有益效果，因此该图像拍摄装置的实施可以参见方法的实施，重复之处不再赘述。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤是可以通过程序来指令处理器完成，所述的程序可以存储于计算机可读存储 介质中，所述存储介质是非短暂性(英文：non-transitory)介质，例如随机存取存储器，只读存储器，快闪存储器，硬盘，固态硬盘，磁带(英文：magnetic tape)，软盘(英文：floppy disk)，光盘(英文：optical disc)及其任意组合。
本发明是参照本发明实施例的方法和设备各自的流程图和方框图来描述的。应理解可由计算机程序指令实现流程图和方框图中的每一流程和方框、以及流程图和方框图中的流程和方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和方框图一个方框或多个方框中指定的功能的装置。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (22)

  1. 一种电子设备拍摄方法，所述电子设备包括摄像头、主显示屏和至少一个柔性显示屏，其特征在于，包括：
    在进入拍摄界面后，
    根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或
    确定显示屏的目标亮度；
    当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
  2. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
  3. 如权利要求2所述的方法，其特征在于，所述方法还包括：
    当检测到所述被拍摄对象在拍摄界面所生成的图像的亮度低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，
    根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或
    确定显示屏的目标亮度。
  4. 如权利要求1-3任一项所述的方法，其特征在于，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
  5. 如权利要求1-4任一项所述的方法，其特征在于，根据被拍摄对象在拍摄界面中的像素坐标参数，所述确定所述柔性显示屏的折叠角度，包括：
    根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。
  6. 如权利要求1-5任一项所述的方法，其特征在于，所述确定显示屏的目标亮度，包括：根据拍摄界面的亮度，确定显示屏的目标亮度。
  7. 如权利要求1-6任一项所述的方法，其特征在于，所述柔性显示屏为单面显示或双面显示。
  8. 一种拍摄装置，所述装置应用与于包括摄像头、主显示屏和至少一个柔性显示屏的电子设备，其特征在于，包括：
    确定单元，用于在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或，确定显示屏的目标亮度；
    调整单元，用于当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
  9. 如权利要求8所述的装置，其特征在于，所述装置还包括：
    检测单元，用于在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
  10. 如权利要求9所述的装置，其特征在于，所述确定单元还用于：
    当所述检测单元检测到所述被拍摄对象在拍摄界面所生成的图像的亮度低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，
    根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或
    确定显示屏的目标亮度。
  11. 如权利要求8-10任一项所述的装置，其特征在于，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
  12. 如权利要求8-11任一项所述的装置，其特征在于，所述确定单元具体用于：
    根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。
  13. 如权利要求8-12任一项所述的装置，其特征在于，所述确定单元具体用于：根据拍摄界面的亮度，确定显示屏的目标亮度。
  14. 如权利要求8-13任一项所述的装置，其特征在于，所述柔性显示屏为单面显示或双面显示。
  15. 一种电子设备，其特征在于，包括
    摄像头、主显示屏和至少一个柔性显示屏；
    存储器，所述存储器中存储有程序指令；
    至少一个处理器，用于执行所述程序指令以实现：
    在进入拍摄界面后，根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或，确定显示屏的目标亮度；
    当检测到按下拍摄按钮时，将显示屏的亮度调整到确定的目标亮度。
  16. 如权利要求15所述的电子设备，其特征在于，所述处理器还用于：
    在进入拍摄界面后，检测所述被拍摄对象在拍摄界面所生成的图像的亮度，和/或检测环境光的亮度。
  17. 如权利要求16所述的电子设备，其特征在于，所述处理器还用于：
    当所述检测单元检测到所述被拍摄对象在拍摄界面所生成的图像的亮度低于第一预设阈值，和/或当环境光的亮度低于第二预设阈值时，
    根据被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度；和/或
    确定显示屏的目标亮度。
  18. 如权利要求15-17任一项所述的电子设备，其特征在于，所述被拍摄对象在拍摄界面中的像素坐标参数，包括：所述被拍摄对象在拍摄界面中的像素和/或像素坐标。
  19. 如权利要求15-18任一项所述的电子设备，其特征在于，所述处理器具体用于：
    根据所述摄像头模组的视场角、以及所述被拍摄对象在拍摄界面中的像素坐标参数，确定所述柔性显示屏的折叠角度。
  20. 如权利要求15-19任一项所述的电子设备，其特征在于，所述处理器具体用于：根据拍摄界面的亮度，确定显示屏的目标亮度。
  21. 如权利要求15-20任一项所述的电子设备，其特征在于，所述柔性显示屏为单面显示或双面显示。
  22. 一种存储介质，其特征在于，所述存储介质为非易失性计算机可读存储介质，所述非易失性计算机可读存储介质存储有至少一个程序，每个所述程序包括指令，所述指令当被具有处理器、摄像头、主显示屏和至少一个柔性显示屏的电子设备执行根据权利要求1-7任一项所述的电子设备拍摄方法。
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