WO2018157464A1 - 一种图像显示方法及电子设备 - Google Patents

一种图像显示方法及电子设备 Download PDF

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Publication number
WO2018157464A1
WO2018157464A1 PCT/CN2017/082058 CN2017082058W WO2018157464A1 WO 2018157464 A1 WO2018157464 A1 WO 2018157464A1 CN 2017082058 W CN2017082058 W CN 2017082058W WO 2018157464 A1 WO2018157464 A1 WO 2018157464A1
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WO
WIPO (PCT)
Prior art keywords
electronic device
image
target
pointing
pointing information
Prior art date
Application number
PCT/CN2017/082058
Other languages
English (en)
French (fr)
Inventor
赵文龙
孙光学
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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 AU2017401161A priority Critical patent/AU2017401161B2/en
Priority to CA3055114A priority patent/CA3055114C/en
Priority to KR1020197028572A priority patent/KR102314594B1/ko
Priority to EP17899039.6A priority patent/EP3582117A4/en
Priority to US16/490,802 priority patent/US11134191B2/en
Priority to JP2019547388A priority patent/JP7248304B2/ja
Priority to CN201780008045.5A priority patent/CN108702445B/zh
Publication of WO2018157464A1 publication Critical patent/WO2018157464A1/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/58—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/587—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
    • 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
    • H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/907—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/909—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
    • H04N23/632—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters for displaying or modifying preview images prior to image capturing, e.g. variety of image resolutions or capturing parameters
    • 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
    • H04N23/60—Control of cameras or camera modules
    • H04N23/62—Control of parameters via user interfaces

Definitions

  • the present application relates to the field of image processing, and in particular, to an image display method and an electronic device.
  • Users can record some image information through the camera's camera or camera function, for example, shooting a building, taking a panoramic photo of a location, and so on. Thus, when the user looks back at the image information, the user can extract the desired information from the image information.
  • the mobile phone can also record the attribute information of the image captured during shooting and image processing in the image information, for example, shooting date, camera parameters (for example, shutter) Speed and focal length, etc.), image processing parameters (eg, contrast, white balance, saturation, etc.) and global positioning system (GPS) positioning data.
  • shooting date for example, shooting date
  • camera parameters for example, shutter
  • focal length for example, shutter
  • image processing parameters eg, contrast, white balance, saturation, etc.
  • GPS global positioning system
  • the content provided by the above attribute information is not comprehensive enough, and the user may still not be able to accurately restore the specific details when the image is taken by viewing the attribute information.
  • the present application provides an image display method and an electronic device, which can help a user to accurately restore specific details when capturing an image.
  • the present application provides an image display method, including: an electronic device acquiring a first instruction triggered by a user, the first instruction being used to instruct an electronic device to display a panoramic image; and in response to the first instruction, the electronic device may acquire the image The historical direction information of the camera and the real-time pointing information, wherein the historical pointing information is used to indicate a historical pointing of the camera when the panoramic image is taken, and the real-time pointing information is used to indicate a target pointing of the current camera; then, when the history When the target pointing exists in the pointing information, it indicates that the target orientation pointed by the camera of the electronic device is the same as the historical pointing of a certain camera recorded in the panoramic image.
  • the electronic device can display the target image corresponding to the target pointing in the panoramic image, so as to more realistically restore the specific shooting image with the same target orientation during the display process of the panoramic image, so that the user views the captured image. Get the same realistic experience as when shooting the image.
  • the method further includes: when the target pointing direction indicated by the real-time pointing information does not exist in the historical pointing information, the electronic The device points information and the panoramic image according to the history. Determining a target screen corresponding to the target pointing; the electronic device displays the target screen. In this way, even if the target pointing of the current camera is not recorded in the history pointing information, the electronic device can calculate the target image corresponding to the target pointing in the panoramic image according to the historical pointing recorded in the historical pointing information, and display the target image.
  • the history pointing information includes an angle formed when the camera is rotated from the first historical direction to the second historical direction; at this time, the electronic device determines the target image corresponding to the target pointing according to the historical pointing information and the panoramic image. Specifically, the electronic device calculates, according to the historical pointing information, a sub-screen corresponding to the camera in each of the unit angles of the rotating image; thus, the electronic device can use the sub-screen corresponding to the target pointing as the target. Picture.
  • the method further includes: adding, by the electronic device, an orientation identifier for indicating the target pointing in the target screen to prompt the user for the orientation of the currently displayed target image.
  • the method before the electronic device acquires the first instruction triggered by the user, the method further includes: acquiring, by the electronic device, a second instruction triggered by the user, the second instruction being used to instruct the electronic device to capture the panoramic image; In a second instruction, the electronic device acquires historical pointing information of the camera in the process of capturing the panoramic image; the electronic device adds the historical pointing information to the EXIF information of the panoramic image.
  • the method further includes: the electronic device acquiring current real-time pointing information of the camera and historical pointing information of each of the N images, where N is an integer greater than 0; and the electronic device is from the N In the image, K images having the same history pointing information as the real-time pointing information are displayed, and K is an integer greater than or equal to 0.
  • N is an integer greater than 0
  • K is an integer greater than or equal to 0.
  • the present application provides an image display method, including: an electronic device acquiring a first instruction triggered by a user, the first instruction being used to instruct an electronic device to display a target image; and in response to the first instruction, acquiring, by the electronic device, the target Pointing information of the camera when the image is used, the pointing information is used to indicate a direction pointed by the camera when the target image is captured; when displaying the target image, the electronic device adds an orientation identifier to the display screen according to the pointing information, and the orientation identifier includes At least one of a first identifier for indicating a direction pointed by the camera when the target image is captured, and a second identifier for indicating an orientation of the captured object in the target image.
  • the orientation identifier of the shooting orientation when the target image is captured may also be displayed, so that the user can accurately restore the specific scene captured at the time by the orientation identifier, thereby acquiring the information required by the user.
  • the method before the electronic device acquires the first instruction triggered by the user, the method further includes: acquiring, by the electronic device, a second instruction triggered by the user, where the second instruction is used to instruct the electronic device to capture the target image through the camera; In response to the second instruction, the electronic device determines pointing information when the camera captures the target image; the electronic device adds the pointing information to the EXIF information of the target image.
  • the pointing information of the camera when the target image is captured can be obtained by reading the EXIF information, and further, the orientation identifier corresponding to the pointing information can be added to the display screen.
  • the electronic device determines the pointing information when the camera captures the target image, including: the electronic device acquires the orientation information indicated by the current electronic compass through the electronic compass, and the camera used in the shooting is on the electronic device.
  • the setting position is fixed. Therefore, the electronic device can determine the pointing information when the camera captures the target image according to the orientation information and the setting position of the camera on the electronic device. In this way, the above-mentioned pointing information can be added along with the existing electronic compass, and the implementation complexity of the above image display method can be reduced.
  • the orientation identifier is a first identifier
  • the electronic device adds the orientation identifier in the display screen according to the pointing information, including: the electronic device root generates a first identifier corresponding to the pointing information; The device adds the first identifier to the display screen.
  • the first flag is used to indicate the pointing of the camera when the target image is captured.
  • the orientation identifier is the second identifier.
  • the electronic device adds an orientation identifier to the display screen according to the pointing information, and the electronic device determines that the target image is captured according to the pointing information.
  • An orientation of the object the electronic device generates a second identifier corresponding to the orientation of the object to be photographed; the electronic device adds the second identifier to the display screen.
  • the second identifier is used to indicate the orientation of the object to be photographed in the target image, so that the electronic device can help the user determine the specific orientation of the object to be photographed, and prompt the user in the display screen by the orientation identifier, so that the user is accurate. Restores the shooting scene when shooting the target image.
  • the second instruction includes a panoramic shooting identifier; wherein the electronic device determines pointing information when the camera captures the target image, including: determining, by the electronic device, a starting point when the camera starts capturing the target image The information and the ending pointing information when the target image is ended; wherein the electronic device adds the orientation identifier to the display screen according to the pointing information, including: the electronic device adding a third identifier in the display screen, where the third identifier is used Instructing the initial pointing information; the electronic device adds a fourth identifier in the display screen, the fourth identifier is used to indicate the ending pointing information.
  • the orientation identification of each shooting orientation when the target image is captured can also be displayed, so that the user can accurately restore the current panoramic shooting scene through the orientation identification.
  • the electronic device adds a third identifier in the display screen, including: when displaying the first frame image in the target image, the electronic device adds the third identifier in the first frame image
  • the electronic device adds a fourth identifier to the display screen, including: when displaying the last frame image in the target image, the electronic device adds the fourth identifier in the last frame image.
  • the method further includes: the electronic device acquiring the current pointing information of the camera; if the pointing information of the camera is currently the same as the starting pointing information, the electronic device displays the first image in the target image Frame image; if the current pointing information of the camera and the end finger The information is the same, and the electronic device displays the last frame image in the target image.
  • the electronic device can display the same screen as the pointing information when the target image is captured according to the current pointing information of the camera, so that the user can completely restore the scene when the panoramic shooting target image is at that time.
  • the method further includes: the electronic device acquiring a third command triggered by the user, the third instruction is used to instruct the electronic device to classify the stored N images, where N is an integer greater than 0; In the third instruction, the electronic device divides the N images into M image sets according to the pointing information of each image, wherein the pointing information of all the images in each image set is the same, and M is an integer greater than 0.
  • the present application provides an electronic device, including: an acquiring unit, configured to: acquire a first instruction triggered by a user, where the first instruction is used to instruct an electronic device to display a panoramic image; and to acquire an electronic device in response to the first instruction
  • the history of the camera of the device points to the information and the real-time pointing information, the history pointing information is used to indicate the historical direction of the camera when the panoramic image is taken, the real-time pointing information is used to indicate the current target of the camera; and the display unit is configured to: When the target pointing exists in the history pointing information, a target picture corresponding to the target pointing in the panoramic image is displayed.
  • the electronic device further includes a determining unit, configured to: when the target pointing indicated by the real-time pointing information does not exist in the historical pointing information, according to the historical pointing information and the panoramic view And determining, by the image, a target image corresponding to the target pointing; the display unit is further configured to: display the target image.
  • the historical pointing information includes an angle formed when the camera is rotated from the first historical direction to the second historical direction; the determining unit is configured to: calculate the camera according to the historical pointing information Each sub-picture corresponding to the panoramic image when the unit angle is rotated; the sub-picture corresponding to the target pointing is used as the target picture.
  • the display unit is further configured to: add an orientation identifier for indicating the target pointing in the target screen.
  • the electronic device further includes an adding unit
  • the acquiring unit is further configured to: acquire a second instruction triggered by the user, the second instruction is used to instruct the electronic device to capture the panoramic image; and in response to the second And instructing to acquire historical pointing information of the camera in the process of capturing the panoramic image; the adding unit is configured to: add the historical pointing information to the image file format EXIF information of the panoramic image.
  • the present application provides an electronic device, including: an acquiring unit, configured to: acquire a first instruction triggered by a user, where the first instruction is used to instruct an electronic device to display a target image; and in response to the first instruction, acquire an image Pointing information of the camera when the target image is used, the pointing information is used to indicate a direction pointed by the camera when the target image is captured; and adding means, when displaying the target image in the display screen, according to the pointing information Add a position indicator in the display, the position
  • the identifier includes at least one of a first identifier and a second identifier, the first identifier is used to indicate a direction pointed by the camera when the target image is captured, and the second identifier is used to indicate that the object in the target image is located Orientation.
  • the electronic device further includes a determining unit, wherein the acquiring unit is further configured to: acquire a second instruction triggered by the user, where the second instruction is used to instruct the electronic device to capture the target image through the camera
  • the determining unit is configured to: determine, according to the second instruction, pointing information when the camera captures the target image; the adding unit is further configured to: add the pointing information to the EXIF information of the target image.
  • the determining unit is configured to: obtain, by using an electronic compass, the orientation information currently indicated by the electronic compass; and determine the camera shooting according to the orientation information and the setting position of the camera on the electronic device. Pointing information at the target image.
  • the adding unit is specifically configured to: generate a first identifier corresponding to the pointing information; and add the first identifier to the display screen.
  • the adding unit is specifically configured to: determine an orientation of the object to be photographed in the target image according to the pointing information; generate a second identifier corresponding to an orientation of the photographed object; Add the second identifier.
  • the second instruction includes a panoramic shooting identifier;
  • the determining unit is specifically configured to: determine a starting pointing information when the camera starts capturing the target image, and end the shooting of the target image Ending the pointing information;
  • the adding unit is specifically configured to: add a third identifier in the display screen, where the third identifier is used to indicate the starting pointing information; and adding a fourth identifier in the display screen, where the fourth identifier is used Indicates the end point to the information.
  • the adding unit is specifically configured to: add the third identifier in the first frame image when displaying the first frame image in the target image; and display the target image in the target image In the last frame of the image, the fourth flag is added to the last frame of the image.
  • the acquiring unit is further configured to: obtain the current pointing information of the camera; the adding unit is specifically configured to: if the pointing information of the current camera is the same as the starting pointing information, display The first frame image in the target image; if the pointing information of the current camera is the same as the ending pointing information, the last frame image in the target image is displayed.
  • the electronic device further includes a classification unit, wherein the acquisition unit is further configured to: acquire a third instruction triggered by the user, where the third instruction is used to instruct the electronic device to store the stored N images.
  • N is an integer greater than 0;
  • the classification unit is configured to, according to the third instruction, divide the N images into M image sets according to the pointing information of each image, wherein each image set All images have the same pointing information, and M is an integer greater than zero.
  • the present application provides an electronic device, including: a display, an input interface, a processor, and a camera, wherein: the input interface is configured to: acquire a first instruction triggered by a user, where the first instruction is used to indicate the electronic
  • the device displays a panoramic image
  • the processor is configured to: obtain historical pointing information and real-time pointing information of the camera of the electronic device, where the historical pointing information is used to indicate a historical direction of the camera when the panoramic image is captured, and the real-time pointing information is used by the device Instructing the current target of the camera;
  • the processor is further configured to: when the target pointing exists in the historical pointing information,
  • the display is controlled to display a target picture corresponding to the target pointing in the panoramic image.
  • the processor is further configured to: when the target pointing indicated by the real-time pointing information does not exist in the history pointing information, determine the target according to the historical pointing information and the panoramic image. Point to the corresponding target screen; control the display to display the target screen.
  • the historical pointing information includes an angle formed when the camera is rotated from the first historical direction to the second historical direction; wherein the electronic device determines and is based on the historical pointing information and the panoramic image.
  • the target is directed to the corresponding target image, and specifically includes: the processor calculating, according to the historical pointing information, a sub-picture corresponding to the camera in each of the unit angles; the processor corresponding to the target The sub-picture is used as the target sub-picture; the processor determines one picture including the target sub-picture as the target picture.
  • the processor is further configured to: control the display to add an orientation identifier for indicating the target pointing in the target screen.
  • the input interface is further configured to: acquire a user-triggered second instruction, the second instruction is used to instruct the electronic device to capture a panoramic image; and the processor is further configured to: capture the panoramic image
  • the history pointing information of the camera is acquired during the image; the history pointing information is added to the image file format EXIF information of the panoramic image.
  • the processor is further configured to: acquire current real-time pointing information of the camera and historical pointing information of each of the N images, where N is an integer greater than 0; from the N images And controlling the display to display the K images whose history pointing information is the same as the real-time pointing information, and K is an integer greater than or equal to 0.
  • the present application provides an electronic device, including: a display, an input interface, a camera, and a processor, wherein: the input interface is configured to: acquire a first instruction triggered by a user, where the first instruction is used to indicate an electronic device Displaying a target image; the processor is configured to: in response to the first instruction, obtain pointing information of the camera when the target image is captured, the pointing information is used to indicate a direction indicated by the camera when the target image is captured; And the method further includes: when displaying the target image in the display, adding an orientation identifier to the display screen according to the pointing information, the orientation identifier includes at least one of a first identifier and a second identifier, where the first identifier is used for Indicates a direction indicated by the camera when the target image is captured, and the second identifier is used to indicate an orientation of the object to be photographed in the target image.
  • the input interface is further configured to acquire a second instruction triggered by the user, where the second instruction is used to instruct the electronic device to capture the target image through the camera; the processor is further configured to respond to The second instruction determines pointing information when the camera captures the target image; and adds the pointing information to the EXIF information of the target image.
  • the electronic device further includes an electronic compass, wherein the electronic compass is configured to acquire current orientation information; the processor is further configured to: according to the orientation information and the setting of the camera on the electronic device Position, determining the pointing information when the camera captures the target image.
  • the processor is specifically configured to generate a first identifier corresponding to the pointing information, and add the first identifier to the display screen.
  • the processor is specifically configured to determine the An orientation of the object to be photographed in the target image; generating a second identifier corresponding to the orientation of the object to be photographed; and adding the second marker to the display screen.
  • the processor is further configured to determine initial pointing information when the camera starts capturing the target image, and end pointing information when the target image is ended; the display is further used in A third identifier is added to the display screen, where the third identifier is used to indicate the initial pointing information; and a fourth identifier is added to the display screen, where the fourth identifier is used to indicate the ending pointing information.
  • the display is specifically configured to: add the third identifier in the first frame image when displaying the first frame image in the target image; display the last one in the target image When the image is framed, the fourth identifier is added to the last frame of the image.
  • the input interface is further configured to obtain the current pointing information of the camera; the display is further configured to display the target image if the pointing information of the current camera is the same as the initial pointing information The first frame image in the target image; if the pointing information of the current camera is the same as the end pointing information, the last frame image in the target image is displayed.
  • the input interface is further configured to acquire a third command triggered by the user, where the third instruction is used to instruct the electronic device to classify the stored N images, where N is an integer greater than 0;
  • the processor is further configured to, according to the third instruction, divide the N images into M image sets according to the pointing information of each image, wherein the pointing information of all the images in each image set is the same, M Is an integer greater than 0.
  • the embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores an instruction, when the instruction is run on any one of the foregoing electronic devices, causing the electronic device to perform any of the foregoing Image display method.
  • an embodiment of the present application provides a computer program product comprising instructions, when executed on any one of the above electronic devices, causing the electronic device to perform any of the above image display methods.
  • the names of the foregoing electronic devices are not limited to the devices themselves, and in actual implementation, the devices may appear under other names. As long as the functions of the respective devices are similar to the embodiments of the present application, they are within the scope of the claims and their equivalents.
  • Figure 1 is an image display scene provided by the prior art
  • FIG. 2 is a schematic diagram of various forms of pointing information according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram 1 of an electronic device according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart 1 of an image display method according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram 1 of an application scenario of an image display method according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram 2 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram 3 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram 4 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram 5 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram 6 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic diagram 7 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic diagram 8 of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 14 is a second schematic flowchart of an image display method according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 18 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 20 is a schematic structural diagram 2 of an electronic device according to an embodiment of the present disclosure.
  • FIG. 21 is a schematic structural diagram 3 of an electronic device according to an embodiment of the present disclosure.
  • 22 is a display interface diagram of a panoramic image provided by the prior art
  • FIG. 23 is a schematic flowchart 3 of an image display method according to an embodiment of the present disclosure.
  • FIG. 24 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 25 is a schematic flowchart 4 of an image display method according to an embodiment of the present disclosure.
  • FIG. 26 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 27 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 28 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 29 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 30 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present disclosure.
  • FIG. 31 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 32 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • FIG. 33 is a schematic diagram of an application scenario of an image display method according to an embodiment of the present application.
  • the electronic device when displaying an panoramic image, for example, a panoramic photo, the electronic device typically presents the complete panoramic image to the user in the form of a thumbnail. Users can adjust the size of the panorama by dragging, double-clicking, etc. to view the local details of a location in the panorama. However, these operations make the process of viewing a picture at a certain position in the panoramic photo very cumbersome, and the user experience is not high.
  • the electronic device when displaying the panoramic image, may be triggered to acquire the current real-time pointing information of the camera (for example, the real-time pointing information indicates that the current pointing of the camera is north), and The history pointing information of the camera recorded when the panoramic image is taken (for example, the history pointing information indicates that the camera is rotated 90° from north to east).
  • the current real-time pointing information of the camera for example, the real-time pointing information indicates that the current pointing of the camera is north
  • the history pointing information of the camera recorded when the panoramic image is taken for example, the history pointing information indicates that the camera is rotated 90° from north to east.
  • the electronic device can determine whether the target pointing indicated by the real-time pointing information exists in the historical pointing information. For example, the target pointed by the real-time pointing information is directed to the north direction, and the camera in the historical pointing information is rotated 90 from north to east. °, the history pointing information includes the north direction indicated by the real-time pointing information. At this time, the electronic device can present the target image corresponding to the target of the north direction in the panoramic image to the user, so that the user can automatically obtain the same image from the panoramic image through the pointing of the current camera, thereby improving the display of the panoramic image. User experience.
  • the above panoramic image which may also be referred to as a panoramic photography or a panoramic view, generally refers to a range of normal effective viewing angle (for example, horizontal direction of 90 degrees) or a larger field of view (for example, 180 degrees in the horizontal direction) in accordance with the human eye. Or even 360 degrees) captured images.
  • the panoramic image may be stored as a single file, or may be stored as multiple files, for example, multiple image files constituting the panoramic image, and the files may be stored in the same folder. .
  • the method includes:
  • the electronic device acquires a panoramic shooting instruction triggered by the user.
  • the electronic device when the user turns on the panoramic shooting function of the electronic device, the electronic device enters the shooting interface. At this time, if the user triggers the shooting button in the shooting interface, the electronic device generates a shooting instruction in response to the key operation triggered by the user. It is used to instruct the electronic device to store the captured image currently captured by the camera in the panoramic mode to generate a panoramic image.
  • the generated panoramic image is obtained by synthesizing a plurality of images captured during the shooting according to the shooting sequence.
  • the specific synthesis method is not limited in this embodiment of the present invention.
  • the electronic device acquires historical pointing information of the camera in the process of capturing the panoramic image.
  • the triggering electronic device starts to capture the panoramic image.
  • the electronic device can obtain the historical pointing information of the camera during shooting through its electronic compass.
  • the electronic device when the user first triggers the shooting button (ie, starts to take a panoramic picture), the electronic device can determine the starting pointing information of the camera when the panoramic image is started by the electronic compass, for example, northward; when the user When the shooting button is triggered for the second time (ie, when the panoramic picture is ended), the electronic device can still determine the ending pointing information when the panoramic image is ended by the electronic compass, for example, eastward. That is to say, the user uses the electronic device to rotate a 90° from north to east to take a panoramic image.
  • the history pointing information acquired by the electronic device includes the above-mentioned starting pointing information and ending pointing information.
  • the electronic device when the panoramic image is taken, the electronic device usually takes multiple images in succession. Then, when each image is captured, the electronic device can be triggered to determine the pointing information of the camera at this time through the electronic compass. Then, if the electronic device When a total of X (X>1) images are taken when the panoramic image is captured, the historical pointing information acquired by the electronic device includes one pointing information corresponding to each image, that is, X pointing information.
  • the electronic device saves history pointing information of the panoramic image.
  • an EXIF (exchangeable image file) format picture adds some attribute information about the shooting at the head of the image information, for example, aperture, shutter, and white balance when shooting.
  • the sensitivity, the focal length, the date, and the camera brand, model, and GPS data, etc. may be referred to as EXIF information in the embodiment of the present application.
  • the electronic device may add the history pointing information acquired in step 102 to the EXIF information of the panoramic image, and store the panoramic image in the EXIF format.
  • the historical pointing information generally includes a plurality of pointing information.
  • the electronic device records the pointing information corresponding to the image when each image of the panoramic image is captured. Then, while saving the history pointing information, the electronic device can also record the correspondence between each pointing information and the corresponding image in the historical pointing information.
  • the electronic device may directly merge the captured multiple images into a panoramic photo.
  • the electronic device continuously captures three images from north to east when the panoramic image is captured, and merges the three images into one when the panoramic image is saved.
  • the panoramic image is saved, and corresponding historical pointing information is recorded when each image is captured, and the electronic device can determine the specific position of each image in the panoramic image during the fusion process, so the electronic device can obtain The history points to each of the information corresponding to the information in the above panoramic photo.
  • the electronic device may separately save the plurality of captured images in the order of shooting when the panoramic image is saved (three images as shown in (b) of FIG. 24), when the panoramic image is subsequently displayed.
  • the electronic device then combines the multiple images into one panoramic image. Then, as shown in (b) of FIG. 24, while the three images are saved, the electronic device can directly record the correspondence between each image and its corresponding pointing information.
  • the electronic device when the electronic device captures the above panoramic image, it is also possible to record only the pointing information of the camera in a certain position during the shooting, for example, the above-mentioned starting pointing information and ending pointing information. Then, as shown in (c) of FIG. 24, the electronic device only needs to record the correspondence between the initial pointing information and its start picture in the panoramic image, and the end pointing information and its end in the panoramic image.
  • the correspondence between the screens is sufficient, and the embodiment of the present invention does not impose any limitation.
  • Steps 201-205 include:
  • the electronic device acquires a user-triggered image display instruction, and the image display instruction is used to instruct the electronic device to display the panoramic image.
  • the electronic device may be triggered to generate an image display instruction.
  • the electronic device may prompt the user whether to enter the panoramic display mode through the display window. If the user confirms to enter the panoramic display mode, the electronic device proceeds to perform the subordinate steps 202-205; if the user cancels entering the panoramic display mode, the electronic device can display the above-described panoramic image in the form of a thumbnail according to the prior art.
  • the user can trigger the electronic device to display "Street View” or "Real Scene” by clicking the “Street View” or “Real Scene” button on the online map.
  • the photos displayed by the "Street View” or “Real Scene” functions also belong to the panoramic image according to the embodiment of the present invention.
  • the electronic device can directly enter the full-screen display mode without the user's confirmation, and the embodiment of the present invention does not impose any limitation.
  • the electronic device acquires current real-time pointing information of the camera and historical pointing information of the panoramic image.
  • the electronic device may be triggered to perform the following two actions: first, obtaining historical pointing information recorded when the camera captures the panoramic image from the EXIF information of the panoramic image; second, acquiring by using an electronic compass The current real-time pointing information of the camera.
  • the electronic device is lifted.
  • the pointing of the camera on the electronic device is northward, then the real-time pointing information acquired by the electronic device is also indicated as northward. .
  • the electronic device may further acquire, from the EXIF information of the panoramic image, historical pointing information recorded when the panoramic image is captured, for example, the historical pointing information includes north direction information for starting to capture the panoramic image and ending east direction of capturing the panoramic image. information.
  • the historical pointing information may be obtained by the electronic compass when the electronic device captures the panoramic image, or may be manually input after the panoramic image is obtained subsequently, or may be sent by other devices to the electronic device.
  • the device of the present invention does not impose any limitation on this.
  • the electronic device may first obtain the real-time pointing information and obtain the historical pointing information, or obtain the historical pointing information and obtain the real-time pointing information, or obtain the real-time pointing information and the historical pointing information at the same time.
  • the embodiment of the invention does not impose any limitation on this.
  • the electronic device displays the target screen corresponding to the target pointing in the panoramic image.
  • the electronic device may compare the acquired real-time pointing information with the historical pointing information, wherein the historical pointing information generally includes multiple points when the camera captures the panoramic image, and the real-time pointing information indicates only the current pointing of the camera. (ie, the target is pointed), therefore, the electronic device can find out from the historical pointing information whether the historical pointing information includes the target pointing.
  • the historical direction information includes northbound information and The east direction information, and the target indicated by the real-time pointing information is directed to the north direction, and the electronic device can determine that there is a target pointing (north direction) in the history pointing information.
  • step 203 since the correspondence between the different pointing information and the corresponding image has been recorded in the above step 103, as shown in FIG. 28, when the historical pointing information is indicated by the real-time pointing information
  • the electronic device can display the target image corresponding to the target pointing (north direction) in the panoramic image in a full-screen display manner, that is, the shooting screen when the camera captures the panoramic image in the north direction. In this way, the user can see the scene when the panoramic image was taken in the north direction.
  • the target when the deviation between the target pointed by the real-time pointing information and a historical pointing indicated in the historical pointing information is within a preset range, the target may be considered to exist in the historical pointing information. direction.
  • the preset range is ⁇ 10°. If the target pointed by the real-time pointing information is 30° to the north, and the historical pointing information records the pointing information when the north is 25°, then, because of the north The deviation between the east 30° and the north east 25° is within ⁇ 10°, so the electronic device can determine that the target pointing exists in the historical pointing information.
  • the foregoing method further includes the following steps 204-205:
  • the electronic device determines, according to the panoramic image and the recorded historical pointing information, a target screen corresponding to the target pointing in the panoramic image.
  • the electronic device displays the target image determined above.
  • the electronic device may further determine a target image corresponding to the target pointing in the panoramic image according to the panoramic image and the recorded historical pointing information.
  • the electronic device may default that the electronic device rotates at a constant speed when the panoramic image is taken from north to east. Further, the electronic device may calculate, when the panoramic image is captured, the camera is deflected by one degree, corresponding to the panoramic image. A sub-screen, then, the target can be determined to point to the corresponding target sub-screen, and then the target image including the target sub-screen is displayed according to the display specification of the display on the electronic device.
  • the user takes a panoramic image by rotating 90° from north to east, and the panoramic image includes 9000 pixels in the x-axis direction, and then the camera is photographed in the panoramic image on the x-axis every 1° of the deflection.
  • the display screen of the electronic device can display 3000 pixels on the x-axis, the electronic device can use the 3000-pixel image centered on the sub-picture 1 as the target picture.
  • the electronic device can display any target picture including the target sub-picture, for example, a picture of 2000 pixels including the sub-picture 1.
  • the electronic device can display a screen between the start screen (the start screen corresponds to the north direction information) and the end screen (the end screen corresponds to the east direction information) as the target screen, and display the target in a full screen display manner. Picture.
  • the foregoing method further includes the following step 206:
  • the electronic device When displaying the target screen, the electronic device adds an orientation identifier for indicating the target pointing to the target screen.
  • the electronic device may further add an orientation identifier for indicating the target pointing to the target screen to prompt the user for the orientation of the target screen currently displayed.
  • azimuth identifier The specific form of the azimuth identifier is set by a person skilled in the art according to the actual application scenario and actual experience, and the embodiment of the present invention does not impose any limitation.
  • the electronic device can compare the pointing of the image when displaying the panoramic image in the process of displaying the image.
  • the pointing of the camera displays a screen corresponding to the current position of the electronic device, thereby more realistically restoring the specific shooting image with the current orientation during the panoramic image display, so that the user has watched the shooting.
  • the image gets the same realistic experience as when the image was taken.
  • An image display method provided by another embodiment of the present application includes the following steps 301-303: 301: an electronic device acquires current real-time pointing information of a camera thereof;
  • a function button for image classification may be set in a display screen of the electronic device.
  • the electronic device may be triggered to generate an image classification instruction, where the image classification instruction may be used to indicate that the electronic device has Stored N (N > 0) image classifications.
  • the N images may be all the images stored in the electronic device, or may be one or more images selected by the user in all the images, which is not limited in this embodiment.
  • the electronic device acquires historical pointing information of each of the N images.
  • the electronic device displays, from the N images, K images whose history pointing information is the same as the real-time pointing information, and K is an integer greater than or equal to 0.
  • the electronic device may compare the historical pointing information recorded in each of the N images acquired in step 302 with the real-time pointing information acquired in step 301 to obtain K historical pointing information and the above. Point to the same image in real time.
  • the electronic device may use all the historical pointing information in the library as the eastward photo as the K images, and further, as shown in FIG.
  • the device can display these K images in the form of thumbnails. In this way, by adjusting the current pointing of the electronic device, the user can obtain a type of image with the same historical pointing information when the image is captured.
  • the word “same” in step 303 is not necessarily absolute.
  • the electronic device may also The above-mentioned historical pointing information is considered to be the same as the above-mentioned real-time pointing information, and the embodiment of the present invention does not impose any limitation.
  • the image display method can display and display the pointing of the camera when the image is displayed and the pointing of the camera when the image is captured. All the images corresponding to the current position of the electronic device enable the user to obtain the same type of image with the same historical pointing information by adjusting the orientation of the current camera.
  • the user can view the already stored images on the electronic device through an application such as an album. While displaying the image content, some attribute information of the image, such as the shooting time, the shooting location, and the like, may also be displayed in the display screen. As shown in FIG. 1, the user can also enter the detailed information of the image to view attribute information such as camera parameters (for example, shutter speed and focal length, etc.), image processing parameters (for example, contrast, white balance, saturation, etc.). In this way, the user can use these attribute information to learn more about some shooting details when shooting the above image.
  • camera parameters for example, shutter speed and focal length, etc.
  • image processing parameters for example, contrast, white balance, saturation, etc.
  • the user may wish to know the specific shooting orientation or the specific orientation of the image within the image when viewing the image to help the user. Accurately restore the shooting details when shooting images.
  • the electronic device may determine the pointing information of the camera when the target image is captured, that is, the camera at the same time as the target image is captured. The direction in which the target image is taken. In this way, the electronic device can add the above-described pointing information to the attribute information of the target image, for example, adding the pointing information to the EXIF information, and storing the target image in the EXIF format.
  • the pointing information of the camera when the target image is captured can be obtained by reading the EXIF information, and then the orientation identifier corresponding to the pointing information can be added in the display screen, for example, FIG. 7
  • the signs shown in the four directions of the east, west, and north are shown in the shot.
  • the orientation identifier of the shooting orientation when the target image is captured may also be displayed, so that the user can accurately restore the specific scene captured at the time by the orientation identifier, thereby acquiring the information required by the user.
  • the EXIF format picture adds some attribute information about the shooting at the head of the image information, which is referred to as EXIF information in the embodiment of the present application.
  • EXIF information in the embodiment of the present application.
  • an image stored in the EXIF format includes image information for describing an image (for example, grayscale values of respective pixels in the image) and attribute information of the image, that is, EXIF information, for example, aperture, shutter, and White balance, sensitivity, focus, date, and camera brand, model, sound recorded during shooting, and GPS data.
  • the pointing information of the camera may be acquired, and the pointing information is added to the EXIF information of the image, so as to be passed when the image is subsequently displayed. Reading the pointing information displays the corresponding orientation identifier.
  • the above electronic device may specifically be a mobile phone, a camera, a wearable device, an augmented reality (Augmented reality), a virtual reality (VR) device, a tablet computer, a notebook computer, a UMPC (ultra-mobile personal computer, Super mobile personal computer), netbook, PDA (personal Any device having an image display function, such as a digital assistant, is not limited in this embodiment.
  • augmented reality Augmented reality
  • VR virtual reality
  • PDA personal Any device having an image display function, such as a digital assistant, is not limited in this embodiment.
  • the electronic device may include: a radio frequency (RF) circuit 320, a memory 330, an input interface 340, a display 350, a camera 360, an audio circuit 370, a processor 380, and an electronic compass 390.
  • RF radio frequency
  • FIG. 3 does not constitute a limitation to the electronic device, and may include more or less components than those illustrated, or a combination of certain components, or different component arrangements.
  • the RF circuit 320 can be used for receiving and transmitting information during the transmission or reception of information or during a call.
  • the processor 380 processes the uplink information.
  • the uplink data is sent to the wireless access device.
  • 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.
  • RF circuitry 320 can also communicate with the network and other devices via wireless communication.
  • the memory 330 can be used to store software programs and modules, and the processor 380 executes various functional applications and data processing of the electronic device by running software programs and modules stored in the memory 330.
  • Input interface 340 can be used to receive input numeric or character information, as well as to generate key signal inputs related to user settings and function control of the electronic device.
  • input interface 340 can include touch panel 341 as well as other input devices 342.
  • Display 350 can be used to display information entered by the user or information provided to the user as well as various menus of the electronic device.
  • the display panel 350 may include a display panel 351.
  • the display panel 351 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the camera 360 can also be used as an input device, specifically for converting the collected analog video or image signals into digital signals, and then storing them in the memory 330.
  • the camera 360 may include a front camera, a rear camera, a built-in camera, an external camera, and the like, which are not limited in this embodiment.
  • the electronic device may further include a gravity sensor and other sensors, such as a light sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., and details are not described herein.
  • a gravity sensor such as a light sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., and details are not described herein.
  • Audio circuitry 370, speaker 371, microphone 372 can provide an audio interface between the user and the electronic device.
  • the audio circuit 370 can transmit the converted electrical data of the received audio data to the speaker 371, and convert it into a sound signal output by the speaker 371; on the other hand, the microphone 372 converts the collected sound signal into an electrical signal, by the audio circuit 370. After receiving, it is converted into audio data, and then the audio data is output to the RF circuit 320 for transmission to, for example, another electronic device, or the audio data is output to the memory 330 for further processing.
  • the processor 380 is a control center for the electronic device that connects various portions of the entire electronic device using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 330, and recalling data stored in the memory 330. , performing various functions and processing data of the electronic device to perform overall monitoring of the electronic device.
  • processor 380 can include one or more processing units.
  • Electronic compass 390 can be based on the magnetic field strength of the sensed magnetic field Determine the orientation indicated by the current electronic compass.
  • the electronic compass can be divided into a planar electronic compass and a three-dimensional electronic compass according to the presence or absence of the tilt compensation, and can also be divided into a magnetoresistance effect sensor, a Hall effect sensor and a fluxgate sensor according to different sensors, which is not limited in this embodiment of the present invention. .
  • the above-mentioned electronic device may further include a power source, a WiFi (Wireless Fidelity) module, a Bluetooth module, and the like, and details are not described herein again.
  • a WiFi Wireless Fidelity
  • Bluetooth Wireless Fidelity
  • the method includes:
  • the electronic device acquires a shooting instruction triggered by a user.
  • the electronic device when the user turns on the photography or camera function of the electronic device, the electronic device enters the shooting interface. At this time, if the user triggers the shooting button in the shooting interface, the electronic device generates a shooting instruction in response to the key operation triggered by the user at this time.
  • the shooting instruction is used to instruct the electronic device to store a shooting picture currently captured by the camera.
  • the electronic device can project the reflected light of the scene to the light sensor (for example, a CCD (charge-coupled device)) in the electronic device through the camera, and the light sensor reflects the reflection
  • the light sensor for example, a CCD (charge-coupled device)
  • the optical signal of the light is converted into an electrical signal, and after being transformed and processed, the electrical signal is stored in the electronic device in a certain format.
  • the electronic device may simultaneously perform the following steps 402-404.
  • the electronic device acquires, by using an electronic compass, the orientation information indicated by the current electronic compass.
  • the electronic device determines the pointing information when the camera captures the target image according to the orientation information and the setting position of the camera on the electronic device.
  • the electronic device is generally provided with an electronic compass, that is, a digital compass, and the electronic compass can determine the orientation information indicated by the current electronic compass according to the magnetic field strength of the sensed magnetic field, that is, the current electronic device
  • the location information for example, as shown in FIG. 5, the electronic compass shows that the front of the current electronic device is the west, the right side of the electronic device is the north, the front of the electronic device is the east, and the left side of the electronic device is the south.
  • the electronic device can determine the pointing information of the camera according to the specific setting position of the camera on the electronic device based on the orientation information. .
  • the electronic device turns on the front camera 51 for shooting, then in conjunction with the current orientation of the electronic device shown in FIG. 5, it can be determined that when the front camera 51 is used to capture an image (ie, a target image).
  • the pointing position of the front camera 21 is eastward.
  • the pointing information generated by the electronic device can be used to indicate the direction toward the east.
  • the electronic device adds the foregoing pointing information to the EXIF information of the target image.
  • the electronic device may store the target image in the EXIF format, and, as shown in FIG. 2, the electronic device adds the above-described pointing information to the EXIF information of the target image.
  • the EXIF information includes different fields, and each field is set with a corresponding label.
  • the fields corresponding to the 0x927C label and the 0x9286 label are respectively customized by the manufacturer and customized by the user, so the electronic device can add the above pointing information to the EXIF information.
  • the electronic device can add the above pointing information to the EXIF information.
  • the field corresponding to the 0x927C label and/or the 0x9286 label are respectively customized by the manufacturer and customized by the user, so the electronic device can add the above pointing information to the EXIF information.
  • the electronic device may continue to perform the following steps 405-407.
  • the electronic device acquires a user-triggered image display instruction, where the image display instruction is used to instruct the electronic device to display the target image.
  • the triggering electronic device when the user opens the target image, the triggering electronic device generates an image display instruction. At this time, as shown in FIG. 6, the electronic device may prompt the user whether to display the orientation identifier through the display window. If the user confirms the display of the orientation identification, the electronic device proceeds to perform subordinate steps 406-407.
  • the electronic device can also display the orientation identifier by default when displaying each image, and the user can modify the default setting in the setting and other options, which is not limited in this embodiment.
  • the electronic device acquires pointing information of the camera when the target image is captured from the EXIF information of the target image.
  • the electronic device may acquire the pointing information of the camera when the target image is captured from the EXIF information of the stored target image, for example, the field labeled 0x9286 in the EXIF information.
  • the electronic device can also display an image of the target image in the display screen.
  • the electronic device adds the orientation identifier to the display screen according to the pointing information.
  • the electronic device may generate the foregoing orientation identifier according to the pointing information obtained in step 406.
  • the orientation identifier may be a first identifier, which is used to indicate a pointing of the camera when the target image is captured. For example, if the pointing direction of the camera is southward when the shooting target image is recorded in the pointing information, the electronic device can convert the orientation indicated by the pointing information into the southbound indicator shown in FIG. For another example, if the pointing information is recorded in the four directions of the southeast and the northwest where the camera is located when the shooting target image is recorded, the electronic device can convert the orientation indicated by the pointing information into the four directions of the southeast and the northwest as shown in FIG. Directional identification.
  • the electronic device may display the azimuth identifier (as shown in FIG. 8) in the target image, or display the azimuth identifier (shown in FIG. 7) in other positions than the target image in the display screen. There are no restrictions on this.
  • the orientation identifier may also be a second identifier for indicating an orientation of the object to be photographed in the target image. Specifically, since the position of the camera and the object to be photographed is constant when the electronic device photographs the target image, the electronic device can determine the orientation of the object in the target image by using the image recognition technology according to the pointing information. .
  • the electronic device can prompt the user whether to display the orientation of the object to be photographed through a display window. If the user confirms that the orientation of the object to be photographed is displayed, the electronic device can recognize the main line in the target image by an image recognition method such as edge detection, for example, the line 1 of Tiananmen in FIG. 10, then, according to the clip between the line 1 and the horizontal line Angle, and the pointing information of the camera recorded at the time of shooting (for example, the pointing information is used to indicate that the pointing of the camera is 60° northward when shooting), the electronic device can estimate the original position of the line 1 and, in turn, according to The orientation of the original line 1 is determined in Tianan in Figure 10. The position of the door is just north. At this time, the electronic device may generate a second identifier corresponding to the orientation in which the Tiananmen (the object to be photographed) is located, that is, the "North" word identifier in FIG. 9, and add the second logo to the target image.
  • an image recognition method such as edge detection, for example
  • the electronic device can also identify the gate of the Tiananmen Gate in the target image by image recognition, etc., and then determine the gate as the north of Tiananmen according to the orientation of the Tiananmen (the object to be photographed).
  • the door displays the orientation indicator of the "North Gate" in the target image.
  • the electronic device can help the user determine the specific orientation of the object to be photographed according to the photographing orientation when the target image is captured, and prompt the user in the display screen by the orientation identifier, so that the user can accurately restore the shooting scene when the target image is captured.
  • the pointing information may be acquired by the electronic compass periodically or non-periodically and the orientation identifier may be generated.
  • the electronic device can display the orientation indicator in the shooting screen, which always indicates the north direction, thereby prompting the user for the current shooting orientation during shooting.
  • the electronic device can simultaneously display the target image and display the orientation identifier, or display the target image in the display screen first, and then display the orientation identifier in the display screen.
  • the display time of the above-mentioned azimuth identifier can also be set by the user, and the embodiment of the present application does not impose any limitation on this.
  • image display method provided by the embodiment of the present application may further include the following steps 408-409.
  • the electronic device acquires a user-triggered image classification instruction, where the image classification instruction is used to instruct the electronic device to classify the stored N images, where N is an integer greater than zero.
  • the electronic device divides the N images into M image sets according to the pointing information of each image, and the pointing information of all the images in each image set is the same, and M is an integer greater than 0.
  • step 408 as shown in FIG. 13, when the user triggers the image classification function according to the shooting orientation, the electronic device may generate an image classification instruction for instructing the electronic device to store the stored N (N>0). Image classification.
  • the N images may be all the images stored in the electronic device, or may be one or more images selected by the user in all the images, which is not limited in this embodiment.
  • the electronic device since the electronic device has recorded the pointing information at the time of shooting in the EXIF information of the image when each image is taken, in step 409, the electronic device can set the N according to the pointing information of each image.
  • the image is divided into M (M>0) image sets, and the images in each image set have the same shooting orientation.
  • the electronic device divides the N images into four image sets according to the pointing information of each image, that is, four image sets of east, south, west, and north.
  • the pictures indicating the east direction in the pointing information are all located in the image set identified as “East”
  • the pictures indicating the south direction in the pointing information are all located in the image set identified as “South”
  • the pictures indicating the west direction in the information are within the set of images identified as "West”
  • the images pointing to the north in the pointing information are all within the set of images identified as "North.”
  • the electronic device can also be set according to the pointing information of each image.
  • the image collection of other orientations such as “southeast” and “northwest” are not limited in this embodiment.
  • the embodiment of the present application further provides an image display method, as shown in FIG. 14, the method includes:
  • the electronic device acquires a shooting instruction triggered by a user, where the shooting instruction includes a panoramic shooting identifier.
  • the electronic device Similar to step 401, if the user triggers the panoramic shooting button in the shooting interface, the electronic device generates a shooting instruction in response to the key operation triggered by the user at this time, except that the shooting instruction may include a panoramic shooting identifier, such that the electronic The device knows that the current shooting mode is the panoramic shooting mode.
  • the electronic device determines initial pointing information when the camera starts capturing the target image, and ending pointing information when the shooting target image ends.
  • the user When shooting a panoramic image, the user usually needs to trigger the shooting button once when starting shooting, and start the shooting button again when the shooting ends. Then, when the user first triggers the shooting button (ie, starts to take a panoramic picture), similar to steps 402-403, the electronic device can determine the starting pointing information when the target image is started by the electronic compass; when the user is the second time When the shooting button is triggered (ie, the panoramic picture is taken), similar to steps 402-403, the electronic device can determine the starting pointing information when the shooting target image is ended by the electronic compass.
  • the electronic device determines that the starting pointing information when starting to shoot the target image is: north direction.
  • the electronic device determines that the ending shooting direction information pointing information when the shooting target image is ended is: eastward. That is to say, the user uses the electronic device to rotate the camera image from the north to the east by 90°.
  • the electronic device adds the foregoing start pointing information and ending pointing information to the EXIF information of the target image.
  • the initial pointing information corresponds to a shooting picture (usually a first frame image) when the shooting target image is started, and the ending pointing information and the shooting picture when the shooting target image is ended (usually the last one) Frame image) corresponds.
  • the electronic device When displaying the target image in the display screen, the electronic device adds a starting orientation identifier for indicating the starting pointing information and an ending orientation identifier for indicating the ending pointing information in the display screen.
  • the electronic device may acquire the above-described initial pointing information and ending pointing information recorded when the shooting target image is acquired from the EXIF information of the target image. Further, the electronic device may generate a corresponding starting orientation identifier according to the initial pointing information, and generate a corresponding ending orientation identifier according to the ending pointing information.
  • the electronic device when displaying the first frame image of the target image, the electronic device may add the above-mentioned starting orientation identifier in the first frame image, that is, FIG. 16 ( The north direction identifier in a); when displaying the last frame image of the target image, the electronic device may add the above end position identifier in the last frame image, that is, the east direction identifier in (b) of FIG.
  • the electronic device may further calculate an orientation of other positions in the target image according to the initial pointing information and the ending pointing information that have been recorded. For example, as shown in FIG. 17, the electronic device is broadcasted according to The playback speed at the time of the target image, and the start pointing information (north direction) and the end pointing information (eastward direction), and the screen corresponding to the northeast direction in the target image is calculated.
  • the electronic device can add the northeast orientation identifier in the screen. In this way, when the panoramic target image is played in full screen, a direction indicator corresponding to the time when the display screen is captured can be added to the corresponding display screen.
  • the electronic device may further display an identifier of the moving direction for prompting the user to move the electronic device according to the moving direction, and then, in the process of moving the electronic device
  • the electronic device can display the target image and the corresponding orientation identifier (for example, the north orientation identifier in FIG. 18) frame by frame, so that the user can completely restore the scene when the panoramic image is captured at the time.
  • the electronic device can obtain the current pointing information in real time through the electronic compass. Then, if the current pointing information is the same as the already pointed pointing information, the electronic device can display a screen corresponding to the pointing information at the time of shooting.
  • the direction in which the electronic device captures the target image is as shown in FIG. 15 , and is rotated by 90° from north to east.
  • the electronic device displays the target image, if the current electronic device's shooting orientation is also north, the electronic device can display the target. In the image corresponding to the north direction, when the target image is displayed, if the electronic device is also rotated 90° from north to east, the entire target image can be completely viewed.
  • the electronic device can also display the target image in a thumbnail manner, as shown in FIG. 19 . At this time, the electronic device can still add a corresponding initial orientation identifier and an end orientation identifier to the target image. This is not subject to any restrictions.
  • the above electronic device or the like includes a hardware structure and/or a software module corresponding to each function.
  • the embodiments of the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and algorithm steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the embodiments of the present application.
  • the embodiment of the present application may perform the division of the function modules on the electronic device or the like according to the above method example.
  • each function module may be divided according to each function, or two or more functions may be integrated into one processing module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of the module in the embodiment of the present application is schematic, and is only a logical function division, and the actual implementation may have another division manner.
  • FIG. 20 is a schematic diagram of a possible structure of an electronic device involved in the foregoing embodiment, where the electronic device includes: an acquiring unit 1101, a display unit 1102, and an adding unit. 1103. A determining unit 1104 and a classifying unit 1105.
  • the obtaining unit 1101 is configured to support the electronic device to perform the processes 401-402, 405-406, 408 in FIG. 4, the process 601 in FIG. 14, the processes 101-102 in FIG. 23, and the processes 201-202 in FIG. 25;
  • the unit 1102 is configured to support the electronic device to perform the process 407 in FIG. 4, the process 604 in FIG. 14, and the process in FIG. Process 203 and 205-206; adding unit 1103 for supporting the electronic device to perform the process 404 in FIG. 4, the process 603 in FIG. 14 and the process 103 in FIG. 23;
  • the determining unit 1104 is configured to support the electronic device to perform the process in FIG. Process 403, process 602 in FIG. 14, and process 204 in FIG. 25;
  • classification unit 1105 is for supporting the electronic device to perform process 409 in FIG. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional descriptions of the corresponding functional modules, and details are not described herein again.
  • FIG. 21 shows a possible structural diagram of the electronic device involved in the above embodiment.
  • the electronic device includes a processing module 1302 and a communication module 1303.
  • the processing module 1302 is configured to control and manage the actions of the electronic device.
  • the communication module 1303 is configured to support communication between the UE and other network entities.
  • the electronic device may further include a storage module 1301 for storing program codes and data of the electronic device.
  • the processing module 1302 may be a processor or a controller, for example, may be a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application-Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication module 1303 can be a transceiver, a transceiver circuit, an input interface, or the like.
  • the storage module 1301 may be a memory.
  • the processing module 1302 is a processor
  • the communication module 1303 is an RF transceiver circuit
  • the storage module 1301 is a memory
  • the electronic device provided by the embodiment of the present application may be the electronic device shown in FIG.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).

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Abstract

本申请提供一种图像显示方法及电子设备，涉及图像处理领域，可以帮助用户准确的还原拍摄图像时的具体细节。该方法包括：电子设备获取用户触发的第一指令，该第一指令用于指示电子设备显示全景图像；响应于该第一指令，电子设备获取其摄像头的历史指向信息和实时指向信息，该历史指向信息用于指示拍摄该全景图像时该摄像头的历史指向，而该实时指向信息用于指示当前该摄像头的目标指向；当该历史指向信息中存在该目标指向时，电子设备可显示该全景图像中与该目标指向对应的目标画面。

Description

一种图像显示方法及电子设备
本申请要求于2017年03月03日提交中国专利局、申请号为201710125171.0、发明名称为“照片中增加方位信息的几种应用”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
本申请涉及图像处理领域，尤其涉及一种图像显示方法及电子设备。
背景技术
用户可以通过手机的拍照或摄像功能记录一些图像信息，例如，拍摄一个建筑物，拍摄某一地点的全景照片等。这样，用户在回看这些图像信息时，能够从这些图像信息中提取出所需的信息。
目前，手机除了可以存储用户在拍摄时摄像头捕捉到的图像信息外，还可以在图像信息中记录拍摄和图像处理时采集到的该图像的属性信息，例如，拍摄日期、摄像头参数(例如，快门速度以及焦距大小等)、图像处理参数(例如，对比度、白平衡以及饱和度等)以及全球定位系统(global positioning system，GPS)定位数据等。这样，用户在回看这些图像信息时，还可以进一步查看这些属性信息。
但是，上述属性信息所提供的内容还不够全面，用户通过查看这些属性信息可能仍然无法准确的还原拍摄图像时的具体细节。
发明内容
本申请提供一种图像显示方法及电子设备，可以帮助用户准确的还原拍摄图像时的具体细节。
为达到上述目的，本申请采用如下技术方案：
第一方面，本申请提供一种图像显示方法，包括：电子设备获取用户触发的第一指令，该第一指令用于指示电子设备显示全景图像；响应于该第一指令，电子设备可获取其摄像头的历史指向信息和实时指向信息，其中，该历史指向信息用于指示拍摄该全景图像时该摄像头的历史指向，而该实时指向信息用于指示当前该摄像头的目标指向；那么，当该历史指向信息中存在该目标指向时，说明电子设备的摄像头此时指向的目标方位与上述全景图像中记录的某一摄像头的历史指向相同。那么，电子设备可显示该全景图像中与该目标指向对应的目标画面，从而在全景图像的显示过程中更加真实的还原出与当前目标方位相同的具体拍摄画面，使用户在观看已拍摄的图像时得到与拍摄该图像时一样逼真的体验。
在一种可能的设计方法中，在电子设备获取电子设备的摄像头的历史指向信息和实时指向信息之后，还包括：当该历史指向信息中不存在该实时指向信息所指示的目标指向时，电子设备根据该历史指向信息和该全景图像， 确定与该目标指向对应的目标画面；电子设备显示该目标画面。这样，即使历史指向信息中没有记录当前摄像头的目标指向，电子设备仍然可以根据历史指向信息中已经记录的历史指向推算出全景图像中与该目标指向对应的目标画面，并显示该目标画面。
例如，该历史指向信息包括该摄像头从第一历史指向转动至第二历史指向时形成的夹角；此时，电子设备根据该历史指向信息和该全景图像，确定与该目标指向对应的目标画面，具体包括：电子设备根据该历史指向信息，计算该摄像头每转动单位角度时，在该全景图像中所对应的一个子画面；这样，电子设备可将与该目标指向对应的子画面作为该目标画面。
在一种可能的设计方法中，在电子设备显示该目标画面之后，还包括：电子设备在该目标画面中添加用于指示该目标指向的方位标识，以提示用户当前显示的目标画面的方位。
在一种可能的设计方法中，在电子设备获取用户触发的第一指令之前，还包括：电子设备获取用户触发的第二指令，该第二指令用于指示电子设备拍摄全景图像；响应于该第二指令，电子设备在拍摄该全景图像的过程中获取摄像头的历史指向信息；电子设备将该历史指向信息添加至该全景图像的EXIF信息中。
在一种可能的设计方法中，该方法还包括：电子设备获取该摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；电子设备从该N个图像中，显示历史指向信息与该实时指向信息相同的K个图像，K为大于或等于0的整数。这样，通过对比显示图像时摄像的指向和拍摄图像时摄像头的指向，可以为用户显示与当前电子设备所处方位对应的所有图像，使用户可以通过调整当前摄像头的指向获取到历史指向信息相同的一类图像。
第二方面，本申请提供一种图像显示方法，包括：电子设备获取用户触发的第一指令，该第一指令用于指示电子设备显示目标图像；响应于第一指令，电子设备获取拍摄该目标图像时摄像头的指向信息，该指向信息用于指示摄像头在拍摄该目标图像时所指的方向；在显示该目标图像时，电子设备根据该指向信息在显示画面内添加方位标识，该方位标识包括第一标识和第二标识中的至少一个，第一标识用于指示拍摄该目标图像时摄像头所指的方向，第二标识用于指示该目标图像中被拍摄物体所处的方位。
这样，在显示目标图像的同时，还可以显示出拍摄该目标图像时拍摄方位的方位标识，以便于用户通过该方位标识准确还原当时拍摄的具体场景，从而获取用户所需的信息。
在一种可能的设计方法中，在电子设备获取用户触发的第一指令之前，还包括：电子设备获取用户触发的第二指令，该第二指令用于指示电子设备通过摄像头拍摄该目标图像；响应于该第二指令，电子设备确定摄像头拍摄该目标图像时的指向信息；电子设备将该指向信息添加至该目标图像的EXIF信息中。
那么，当电子设备显示上述目标图像时，可通过读取其EXIF信息获取拍摄该目标图像时摄像头的指向信息，进而，可以在显示画面内添加与该指向信息对应的方位标识。
在一种可能的设计方法中，电子设备确定摄像头拍摄该目标图像时的指向信息，包括：电子设备通过电子罗盘获取当前该电子罗盘所指示的方位信息，由于拍摄时使用的摄像头在电子设备上的设置位置是固定的，因此，电子设备可以根据该方位信息以及该摄像头在电子设备上的设置位置，确定该摄像头拍摄该目标图像时的指向信息。这样，可沿用现有的电子罗盘便可以添上述指向信息，可降低上述图像显示方法的实现复杂度。
在一种可能的设计方法中，该方位标识为第一标识；其中，电子设备根据该指向信息在显示画面内添加方位标识，包括：电子设备根生成与该指向信息对应的第一标识；电子设备在该显示画面中添加该第一标识。此时，第一标识用于指示拍摄目标图像时摄像头的指向。
在一种可能的设计方法中，该方位标识为该第二标识；其中，电子设备根据该指向信息在该显示画面内添加方位标识，包括：电子设备根据该指向信息确定该目标图像中被拍摄物体的方位；电子设备生成与该被拍摄物体的方位对应的第二标识；电子设备在该显示画面中添加该第二标识。此时，第二标识用于指示目标图像中被拍摄物体的方位，这样一来，电子设备可以帮助用户确定出被拍摄物体的具体方位，并通过方位标识在显示画面内向用户提示，以便用户准确还原拍摄目标图像时的拍摄场景。
在一种可能的设计方法中，该第二指令中包括全景拍摄标识；其中，电子设备确定摄像头拍摄该目标图像时的指向信息，包括：电子设备确定摄像头开始拍摄该目标图像时的起始指向信息，以及结束拍摄该目标图像时的结束指向信息；其中，电子设备根据该指向信息在该显示画面内添加方位标识，包括：电子设备在该显示画面内添加第三标识，该第三标识用于指示该起始指向信息；电子设备在该显示画面内添加第四标识，该第四标识用于指示该结束指向信息。
这样，在显示全景模式的目标图像的同时，还可以显示出拍摄该目标图像时各个拍摄方位的方位标识，以便于用户通过该方位标识准确还原当时的全景拍摄场景。
在一种可能的设计方法中，电子设备在该显示画面内添加第三标识，包括：在显示该目标图像中的第一帧图像时，电子设备在该第一帧图像内添加该第三标识；其中，电子设备在该显示画面内添加用于第四标识，包括：在显示该目标图像中的最后一帧图像时，电子设备在该最后一帧图像内添加该第四标识。这样，在全屏播放全景的目标图像时，可以在相应的显示画面上添加与拍摄该显示画面时对应的方向标识。
在一种可能的设计方法中，该方法还包括：电子设备获取当前该摄像头的指向信息；若当前该摄像头的指向信息与该起始指向信息相同，则电子设备显示该目标图像中的第一帧图像；若当前该摄像头的指向信息与该结束指 向信息相同，则电子设备显示该目标图像中的最后一帧图像。
那么，在电子设备移动的过程中，电子设备可以根据当前该摄像头的指向信息，逐帧显示拍摄上述目标图像时与指向信息相同的画面，这样用户可以完全还原当时全景拍摄目标图像时的场景。
在一种可能的设计方法中，该方法还包括：电子设备获取用户触发的第三指令，该第三指令用于指示电子设备对已存储的N个图像分类，N为大于0的整数；响应于该第三指令，电子设备按照每个图像的指向信息，将该N个图像划分为M个图像集合，其中，每个图像集合内的所有图像的指向信息相同，M为大于0的整数。
第三方面，本申请提供一种电子设备，包括：获取单元，用于：获取用户触发的第一指令，该第一指令用于指示电子设备显示全景图像；响应于该第一指令，获取电子设备的摄像头的历史指向信息和实时指向信息，该历史指向信息用于指示拍摄该全景图像时该摄像头的历史指向，该实时指向信息用于指示当前该摄像头的目标指向；显示单元，用于：当该历史指向信息中存在该目标指向时，显示该全景图像中与该目标指向对应的目标画面。
在一种可能的设计方法中，电子设备还包括确定单元，该确定单元，用于：当该历史指向信息中不存在该实时指向信息所指示的目标指向时，根据该历史指向信息和该全景图像，确定与该目标指向对应的目标画面；该显示单元，还用于：显示该目标画面。
在一种可能的设计方法中，该历史指向信息包括该摄像头从第一历史指向转动至第二历史指向时形成的夹角；该确定单元，具体用于：根据该历史指向信息，计算该摄像头每转动单位角度时，在该全景图像中所对应的一个子画面；将与该目标指向对应的子画面作为该目标画面。
在一种可能的设计方法中，该显示单元，还用于：在该目标画面中添加用于指示该目标指向的方位标识。
在一种可能的设计方法中，电子设备还包括添加单元，该获取单元，还用于：获取用户触发的第二指令，该第二指令用于指示电子设备拍摄全景图像；响应于该第二指令，在拍摄该全景图像的过程中获取摄像头的历史指向信息；该添加单元，用于：将该历史指向信息添加至该全景图像的图像文件格式EXIF信息中。
在一种可能的设计方法中，该获取单元，还用于：获取该摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；该显示单元，还用于：从该N个图像中，显示历史指向信息与该实时指向信息相同的K个图像，K为大于或等于0的整数。
第四方面，本申请提供一种电子设备，包括：获取单元，用于：获取用户触发的第一指令，该第一指令用于指示电子设备显示目标图像；响应于该第一指令，获取拍摄该目标图像时摄像头的指向信息，该指向信息用于指示该摄像头在拍摄该目标图像时所指的方向；添加单元，用于：在显示画面中显示该目标图像时，根据该指向信息在该显示画面内添加方位标识，该方位 标识包括第一标识和第二标识中的至少一个，该第一标识用于指示拍摄该目标图像时该摄像头所指的方向，该第二标识用于指示该目标图像中被拍摄物体所处的方位。
在一种可能的设计方法中，电子设备还包括确定单元，其中，该获取单元，还用于：获取用户触发的第二指令，该第二指令用于指示电子设备通过该摄像头拍摄该目标图像；该确定单元，用于：响应于该第二指令，确定该摄像头拍摄该目标图像时的指向信息；该添加单元，还用于：将该指向信息添加至该目标图像的EXIF信息中。
在一种可能的设计方法中，该确定单元，具体用于：通过电子罗盘获取当前该电子罗盘所指示的方位信息；根据该方位信息以及该摄像头在电子设备上的设置位置，确定该摄像头拍摄该目标图像时的指向信息。
在一种可能的设计方法中，该添加单元，具体用于：生成与该指向信息对应的第一标识；在该显示画面中添加该第一标识。
在一种可能的设计方法中，该添加单元，具体用于：根据该指向信息确定该目标图像中被拍摄物体的方位；生成与该被拍摄物体的方位对应的第二标识；在该显示画面中添加该第二标识。
在一种可能的设计方法中，该第二指令中包括全景拍摄标识；该确定单元，具体用于：确定该摄像头开始拍摄该目标图像时的起始指向信息，以及结束拍摄该目标图像时的结束指向信息；该添加单元，具体用于：在该显示画面内添加第三标识，该第三标识用于指示该起始指向信息；在该显示画面内添加第四标识，该第四标识用于指示该结束指向信息。
在一种可能的设计方法中，该添加单元，具体用于：在显示该目标图像中的第一帧图像时，在该第一帧图像内添加该第三标识；在显示该目标图像中的最后一帧图像时，在该最后一帧图像内添加该第四标识。
在一种可能的设计方法中，该获取单元，还用于：获取当前该摄像头的指向信息；该添加单元，具体用于：若当前该摄像头的指向信息与该起始指向信息相同，则显示该目标图像中的第一帧图像；若当前该摄像头的指向信息与该结束指向信息相同，则显示该目标图像中的最后一帧图像。
在一种可能的设计方法中，电子设备还包括分类单元，其中，该获取单元，还用于：获取用户触发的第三指令，该第三指令用于指示电子设备对已存储的N个图像分类，N为大于0的整数；该分类单元，用于：响应于该第三指令，按照每个图像的指向信息，将该N个图像划分为M个图像集合，其中，每个图像集合内的所有图像的指向信息相同，M为大于0的整数。
第五方面，本申请提供一种电子设备，包括：显示器、输入接口、处理器以及摄像头，其中：该输入接口，用于：获取用户触发的第一指令，该第一指令用于指示该电子设备显示全景图像；该处理器，用于：获取该电子设备的摄像头的历史指向信息和实时指向信息，该历史指向信息用于指示拍摄该全景图像时该摄像头的历史指向，该实时指向信息用于指示当前该摄像头的目标指向；该处理器，还用于：当该历史指向信息中存在该目标指向时， 控制该显示器显示该全景图像中与该目标指向对应的目标画面。
在一种可能的设计方法中，该处理器，还用于：当该历史指向信息中不存在该实时指向信息所指示的目标指向时，根据该历史指向信息和该全景图像，确定与该目标指向对应的目标画面；控制该显示器显示该目标画面。
在一种可能的设计方法中，该历史指向信息包括该摄像头从第一历史指向转动至第二历史指向时形成的夹角；其中，该电子设备根据该历史指向信息和该全景图像，确定与该目标指向对应的目标画面，具体包括：该处理器根据该历史指向信息，计算该摄像头每转动单位角度时，在该全景图像中所对应的一个子画面；该处理器将与该目标指向对应的子画面作为目标子画面；该处理器将包含该目标子画面的一个画面确定为该目标画面。
在一种可能的设计方法中，该处理器还用于：控制该显示器在该目标画面中添加用于指示该目标指向的方位标识。
在一种可能的设计方法中，该输入接口，还用于：获取用户触发的第二指令，该第二指令用于指示电子设备拍摄全景图像；该处理器，还用于：在拍摄该全景图像的过程中获取摄像头的历史指向信息；将该历史指向信息添加至该全景图像的图像文件格式EXIF信息中。
在一种可能的设计方法中，该处理器，还用于：获取该摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；从该N个图像中，控制该显示器显示历史指向信息与该实时指向信息相同的K个图像，K为大于或等于0的整数。
第六方面，本申请提供一种电子设备，包括：显示器、输入接口、摄像头以及处理器，其中：该输入接口，用于：获取用户触发的第一指令，该第一指令用于指示电子设备显示目标图像；该处理器，用于：响应于该第一指令，获取拍摄该目标图像时摄像头的指向信息，该指向信息用于指示该摄像头在拍摄该目标图像时所指的方向；该处理器，还用于：在该显示器内显示该目标图像时，根据该指向信息在显示画面内添加方位标识，该方位标识包括第一标识和第二标识中的至少一个，该第一标识用于指示拍摄该目标图像时该摄像头所指的方向，该第二标识用于指示该目标图像中被拍摄物体所处的方位。
在一种可能的设计方法中，该输入接口，还用于获取用户触发的第二指令，该第二指令用于指示电子设备通过该摄像头拍摄该目标图像；该处理器，还用于响应于该第二指令，确定该摄像头拍摄该目标图像时的指向信息；将该指向信息添加至该目标图像的EXIF信息中。
在一种可能的设计方法中，电子设备还包括电子罗盘，其中，该电子罗盘，用于获取当前的方位信息；该处理器，还用于根据该方位信息以及该摄像头在电子设备上的设置位置，确定该摄像头拍摄该目标图像时的指向信息。
在一种可能的设计方法中，该处理器，具体用于生成与该指向信息对应的第一标识；在该显示画面中添加该第一标识。
在一种可能的设计方法中，该处理器，具体用于根据该指向信息确定该 目标图像中被拍摄物体的方位；生成与该被拍摄物体的方位对应的第二标识；在该显示画面中添加该第二标识。
在一种可能的设计方法中，该处理器，还用于确定该摄像头开始拍摄该目标图像时的起始指向信息，以及结束拍摄该目标图像时的结束指向信息；该显示器，还用于在该显示画面内添加第三标识，该第三标识用于指示该起始指向信息；在该显示画面内添加第四标识，该第四标识用于指示该结束指向信息。
在一种可能的设计方法中，该显示器，具体用于在显示该目标图像中的第一帧图像时，在该第一帧图像内添加该第三标识；在显示该目标图像中的最后一帧图像时，在该最后一帧图像内添加该第四标识。
在一种可能的设计方法中，该输入接口，还用于获取当前该摄像头的指向信息；该显示器，还用于若当前该摄像头的指向信息与该起始指向信息相同，则显示该目标图像中的第一帧图像；若当前该摄像头的指向信息与该结束指向信息相同，则显示该目标图像中的最后一帧图像。
在一种可能的设计方法中，该输入接口，还用于获取用户触发的第三指令，该第三指令用于指示该电子设备对已存储的N个图像分类，N为大于0的整数；该处理器，还用于响应于该第三指令，按照每个图像的指向信息，将该N个图像划分为M个图像集合，其中，每个图像集合内的所有图像的指向信息相同，M为大于0的整数。
第七方面，本申请实施例提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令，当该指令在上述任一项电子设备上运行时，使得电子设备执行上述任一项图像显示方法。
第八方面，本申请实施例提供一种包含指令的计算机程序产品，当其在上述任一项电子设备上运行时，使得电子设备执行上述任一项图像显示方法。
本申请的实施例中，上述电子设备的名字对设备本身不构成限定，在实际实现中，这些设备可以以其他名称出现。只要各个设备的功能和本申请的实施例类似，即属于本申请权利要求及其等同技术的范围之内。
另外，第三方面至第八方面中任一种设计方法所带来的技术效果可参见上述第一方面中不同设计方法所带来的技术效果，此处不再赘述。
附图说明
图1为现有书提供的一种图像显示场景；
图2为本申请实施例提供的一种指向信息的各式示意图；
图3为本申请实施例提供的一种电子设备的结构示意图一；
图4为本申请实施例提供的一种图像显示方法的流程示意图一；
图5为本申请实施例提供的一种图像显示方法的应用场景示意图一；
图6为本申请实施例提供的一种图像显示方法的应用场景示意图二；
图7为本申请实施例提供的一种图像显示方法的应用场景示意图三；
图8为本申请实施例提供的一种图像显示方法的应用场景示意图四；
图9为本申请实施例提供的一种图像显示方法的应用场景示意图五；
图10为本申请实施例提供的一种图像显示方法的应用场景示意图六；
图11为本申请实施例提供的一种图像显示方法的应用场景示意图七；
图12为本申请实施例提供的一种图像显示方法的应用场景示意图八；
图13为本申请实施例提供的一种图像显示方法的应用场景示意图九；
图14为本申请实施例提供的一种图像显示方法的流程示意图二；
图15为本申请实施例提供的一种图像显示方法的应用场景示意图十；
图16为本申请实施例提供的一种图像显示方法的应用场景示意图十一；
图17为本申请实施例提供的一种图像显示方法的应用场景示意图十二；
图18为本申请实施例提供的一种图像显示方法的应用场景示意图十三；
图19为本申请实施例提供的一种图像显示方法的应用场景示意图十四；
图20为本申请实施例提供的一种电子设备的结构示意图二；
图21为本申请实施例提供的一种电子设备的结构示意图三；
图22为现有书提供的一种全景图像的显示界面图；
图23为本申请实施例提供的一种图像显示方法的流程示意图三；
图24为本申请实施例提供的一种图像显示方法的应用场景示意图十五；
图25为本申请实施例提供的一种图像显示方法的流程示意图四；
图26为本申请实施例提供的一种图像显示方法的应用场景示意图十六；
图27为本申请实施例提供的一种图像显示方法的应用场景示意图十七；
图28为本申请实施例提供的一种图像显示方法的应用场景示意图十八；
图29为本申请实施例提供的一种图像显示方法的应用场景示意图十九；
图30为本申请实施例提供的一种图像显示方法的应用场景示意图二十；
图31为本申请实施例提供的一种图像显示方法的应用场景示意图二十一；
图32为本申请实施例提供的一种图像显示方法的应用场景示意图二十二；
图33为本申请实施例提供的一种图像显示方法的应用场景示意图二十三。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行详细地描述。
目前，如图22所示，电子设备在显示全景图像，例如，全景照片时，通常是以缩略图的形式将完整的全景图像呈现给用户。用户可以通过拖动、双击等操作调整全景照片的大小，从而查看全景照片中某一位置的局部细节。然而，这些操作使得用户在查看全景照片中某一位置的画面时过程十分繁琐，用户体验感不高。
对此，在本发明实施例提供的图像显示方法中，在显示全景图像时，可触发电子设备获取其摄像头当前的实时指向信息(例如，该实时指向信息指示摄像头当前的指向为北向)，以及拍摄该全景图像时记录的该摄像头的历史指向信息(例如，该历史指向信息指示该摄像头自北向东旋转了90°)。
这样，电子设备可以确定上述历史指向信息中是否存在上述实时指向信息所指示的目标指向，例如，上述实时指向信息所指示的目标指向为北向，而上述历史指向信息中摄像头自北向东旋转了90°，则该历史指向信息中包括了实时指向信息所指示的北向。此时，电子设备可以将全景图像中与北向这一目标指向对应的目标画面呈现给用户，使得用户可以通过当前摄像头的指向从全景图像中自动获取到与该指向相同画面，从而提高显示全景图像时的用户体验。
其中，上述全景图像，也可以称为全景照片(panoramic photography)或全景，通常是指以符合人眼的正常有效视角(例如，水平方向90度)范围或更大视野范围(例如水平方向180度乃至360度)拍摄得到的图像。
当前许多智能设备都提供拍摄全景照片的功能，除此之外，现在许多在线地图服务商也提供所谓“街景”、“实景”等功能，使用户可以浏览某一个地点的360度周边景象的照片，这些照片同样属于本发明实施例所说的全景图像。例如，图33中所示的在线地图服务商提供的“街景”功能所显示的图像即可作为上述全景图像。
在本发明实施例中，上述全景图像可以存储为一个单一的文件，也可以是存储为多个文件，例如，构成该全景图像的多个图片文件，这些文件可以被存放在同一个文件夹中。
以下，将结合具体实施例详细阐述本申请实施例提供的一种图像显示方法，如图23所示，该方法包括：
101、电子设备获取用户触发的全景拍摄指令。
示例性的，当用户打开电子设备的全景拍摄功能时，电子设备进入拍摄界面，此时，如果用户触发拍摄界面内的拍摄按钮，则电子设备响应于用户此次触发的按键操作生成拍摄指令，用于指示电子设备以全景模式存储摄像头当前捕捉到的拍摄画面，生成全景图像。
通常，生成的全景图像是将拍摄过程中拍摄的多幅图像按照拍摄顺序合成后得到的，其具体合成方法本发明实施例对此不作任何限制。
102、响应于上述全景拍摄指令，电子设备在拍摄全景图像的过程中获取摄像头的历史指向信息。
具体的，电子设备获取到上述拍摄指令后，触发电子设备开始拍摄全景图像。但与现有技术不同的是，在拍摄的过程中，电子设备可以通过其电子罗盘获取到拍摄过程中摄像头的历史指向信息。
例如，如图15所示，当用户第一次触发拍摄按钮(即开始拍摄全景图片)时，电子设备可以通过电子罗盘确定开始拍摄全景图像时摄像头的起始指向信息，例如，北向；当用户第二次触发拍摄按钮(即结束拍摄全景图片)时，电子设备仍可以通过该电子罗盘确定出结束拍摄该全景图像时的结束指向信息，例如，东向。也就是说，用户使用电子设备自北向东旋转90°拍摄了一张全景图像。此时，电子设备获取到的历史指向信息中包括上述起始指向信息和结束指向信息。
又或者，在拍摄全景图像时电子设备通常会连续拍摄多张图像，那么，在拍摄每一张图像时，均可触发电子设备通过其电子罗盘确定此时摄像头的指向信息，那么，如果电子设备在拍摄全景图像时一共拍摄了X(X＞1)张图像，则电子设备获取到的历史指向信息中包括与每一张图像对应的一个指向信息，即X个指向信息。
103、电子设备保存上述全景图像的历史指向信息。
示例性的，如图2所示，EXIF(exchangeable image file，可交换图像文件)格式的图片在图像信息的头部增加了有关拍摄的一些属性信息，例如，拍摄时的光圈、快门、白平衡、感光度、焦距、日期以及相机品牌、型号以及GPS数据等，本申请实施例中可将其称其为EXIF信息。那么，在本发明实施中，电子设备可以将将步骤102中获取到的历史指向信息添加至该全景图像的EXIF信息中，以EXIF格式存储上述全景图像。
又或者，还可以在电子设备的存储空间中划分出一部分专门用于存储不同图像(包括全景图像)的历史指向信息。此时，可以在每个历史指向信息中携带与其对应的图片的标识，以区分不同图像的历史指向信息。
进一步地，当电子设备拍摄的图像是全景图像时，其历史指向信息中通常包括多个指向信息，例如，电子设备在拍摄全景图像的每一张图像时都记录了该图像对应的指向信息。那么，电子设备在保存其历史指向信息的同时，还可以记录该历史指向信息中每一个指向信息与其对应的图像之间的对应关系。
示例性的，电子设备在保存该全景图像时可以直接将拍摄到的多个图像进行图像融合，以全景照片的形式保存。在这种情况下，如图24中的(a)所示，电子设备在拍摄该全景图像时自北向东连续拍摄了三张图像，在保存该全景图像时将这三张图像融合为一张全景图像进行保存，拍摄每一张图像时都记录有对应的历史指向信息，并且，在融合的过程中电子设备可确定出每一幅图像在全景图像中的具体位置，因此，电子设备可以得到历史指向信息中每一个指向信息在上述全景照片中对应的画面。
又或者，电子设备在保存该全景图像时还可以按照拍摄顺序分别将已拍摄的多个图像保存下来(如图24中的(b)所示的三个图像)，在后续显示该全景图像时，电子设备再将这多个图像融合为一幅全景图像。那么，仍如图24中的(b)所示，在保存这三个图像的同时，电子设备可直接记录每个图像与其对应的指向信息之间的对应关系。
当然，电子设备在拍摄上述全景图像时，也可能仅记录了拍摄过程中摄像头在某几个方位的指向信息，例如，上述起始指向信息和结束指向信息。那么，如图24中的(c)所示，电子设备仅需记录该起始指向信息与其在全景图像中的起始画面之间的对应关系，以及该结束指向信息与其在全景图像中的结束画面之间的对应关系即可，本发明实施例对此不作任何限制。
本申请的另一个实施例提供一种图像显示方法，当用户在电子设备上查看或浏览全景图像时，电子设备可执行下述步骤201-205，如图25所示，步 骤201-205包括：
201、电子设备获取用户触发的图像显示指令，该图像显示指令用于指示电子设备显示全景图像。
示例性的，当用户打开上述全景图像的缩略图时，可触发电子设备生成图像显示指令，此时，如图26所示，电子设备可通过显示窗口提示用户是否进入全景显示模式。如果用户确认进入全景显示模式，则电子设备继续执行下属步骤202-205；如果用户取消进入全景显示模式，则电子设备可以按照现有技术以缩略图的形式显示上述全景图像。
再例如，用户可以通过点击在线地图上的“街景”或者“实景”按钮触发所述电子设备显示“街景”或者“实景”。如前所述，“街景”或者“实景”功能所显示的照片也属于本发明实施例所说的全景图像。
当然，电子设备也可以不经过用户确认直接进入全屏显示模式，本发明实施例对此不作任何限制。
202、响应于上述图像显示指令，电子设备获取其摄像头当前的实时指向信息以及所述全景图像的历史指向信息。
在获取到上述图像显示指令后，可以触发电子设备执行以下两个动作：第一，从上述全景图像的EXIF信息中获取摄像头拍摄该全景图像时记录的历史指向信息；第二，通过电子罗盘获取摄像头当前的实时指向信息。
示例性的，如图27所示，用户确认进入全景显示模式后，将电子设备举起，此时，电子设备上摄像头的指向为北向，那么，电子设备获取到的实时指向信息也指示为北向。
并且，电子设备还可以从上述全景图像的EXIF信息中获取拍摄该全景图像时记录的历史指向信息，例如，该历史指向信息包括开始拍摄该全景图像的北向信息和结束拍摄该全景图像的东向信息。
当然，上述历史指向信息可以是电子设备在拍摄时全景图像时，通过电子罗盘获取到的，也可以是后续得到该全景图像后人工手动输入的，或者，还可以是由其他设备发送给上述电子设备的，本发明实施例对此不作任何限制。
需要说明的是，电子设备可以先获取上述实时指向信息再获取上述历史指向信息，也可以先获取上述历史指向信息再获取上述实时指向信息，也可以同时获取上述实时指向信息和历史指向信息，本发明实施例对此不作任何限制。
203、当上述历史指向信息中存在上述实时指向信息所指示的目标指向时，电子设备显示上述全景图像中与目标指向对应的目标画面。
具体的，电子设备可以将获取到的上述实时指向信息和历史指向信息进行比较，由于历史指向信息中一般包括摄像头拍摄全景图像时的多个指向，而实时指向信息中仅指示该摄像头当前的指向(即目标指向)，因此，电子设备可以从上述历史指向信息中查找该历史指向信息中是否包括上述目标指向。
仍以步骤202中的示例进行说明，上述历史指向信息中包括北向信息和 东向信息，而实时指向信息所指示的目标指向为北向，则电子设备可以确定该历史指向信息中存在目标指向(北向)。
此时，在步骤203中，由于在上述步骤103中已经记录了不同指向信息与其对应的图像之间的对应关系，因此，如图28所示，当历史指向信息中存在上述实时指向信息所指示的目标指向时，电子设备可以以全屏的显示方式，显示上述全景图像中与目标指向(北向)对应的目标画面，即显示摄像头在北向拍摄上述全景图像时的拍摄画面。这样，用户可以看见当时在北向上拍摄该全景图像时的场景。
在一个实施例中，当上述实时指向信息所指示的目标指向，与历史指向信息中指示的某一个历史指向之间的偏差在预设范围内时，即可认为上述历史指向信息中存在该目标指向。例如，上述预设范围为±10°，如果上述实时指向信息所指示的目标指向为北偏东30°，而上述历史指向信息中记录了北偏东25°时的指向信息，那么，由于北偏东30°与北偏东25°之间的偏差在±10°内，因此，电子设备可确定上述历史指向信息中存在该目标指向。
可选的，上述方法还包括下述步骤204-205：
204、当上述历史指向信息中不存在上述实时指向信息所指示的目标指向时，电子设备根据该全景图像以及已经记录的历史指向信息，确定该全景图像中与该目标指向对应的目标画面。
205、电子设备显示上述确定出的目标画面。
如果上述历史指向信息中不存在实时指向信息所指示的目标指向，电子设备还可以根据该全景图像以及已经记录的历史指向信息，进一步确定出全景图像中与该目标指向对应的目标画面。
示例性的，电子设备可以默认用户在自北向东拍摄全景图像时电子设备是匀速转动的，进而，电子设备可以计算出拍摄该全景图像时，摄像头每偏转一度，在该全景图像中所对应的一个子画面，那么，可以确定出上述目标指向所对应的目标子画面，进而，根据电子设备上显示屏的显示规格，显示包含上述目标子画面的目标画面。
例如，如图29所示，用户在自北向东转动90°拍摄了一幅全景图像，该全景图像在x轴方向包括9000像素，那么，摄像头每偏转1°会拍摄到全景图像中在x轴方向大小为100像素的一个子画面。那么，当摄像头当前的目标指向为北偏东30°时，可以确定出摄像头偏转30°时拍摄到的目标子画面为第2900像素-第3000像素的子画面1。此时，如果电子设备的显示屏在x轴上可显示3000的像素，则电子设备可将以子画面1为中心的3000像素的画面作为上述目标画面。当然，本领域技术人员可以理解，所述电子设备可以显示任意一个包含上述目标子画面的目标画面，例如一个包含子画面1的2000像素的画面。
又或者，如30所示，当上述实时指向信息所指示的目标指向为东北向，即当前电子设备的摄像头的指向为东北向，而上述历史指向信息中并未记录在东北向拍摄该全景图像时的指向信息，仅记录了开始拍摄该全景图像的北 向信息和结束拍摄该全景图像的东向信息。那么，电子设备可将位于起始画面(该起始画面与北向信息对应)和结束画面(该结束画面与东向信息对应)中间的画面作为上述目标画面，并以全屏的显示方式显示上述目标画面。
可选的，上述方法还包括下述步骤206：
206、在显示上述目标画面时，电子设备在该目标画面中添加用于指示上述目标指向的方位标识。
在显示上述目标画面时，如图31所示，电子设备还可以在上述目标画面中添加用于指示上述目标指向的方位标识，以提示用户当前显示的目标画面的方位。
其中，本领域技术人员可以根据实际应用场景和实际经验设置该方位标识的具体形式，本发明实施例对此不作任何限制。
至此，通过上述步骤201-206所述的图像显示方法可以看出，在本发明实施例提供的图像显示方法中，电子设备可以在显示图像的过程中，通过对比显示全景图像时摄像的指向和生成该全景图像时摄像头的指向，为用户显示与当前电子设备所处方位对应的画面，从而在全景图像显示过程中更加真实的还原出与当前方位相同的具体拍摄画面，使用户在观看已拍摄的图像时得到与拍摄该图像时一样逼真的体验。
本申请的另一个实施例提供的图像显示方法包括以下步骤301-303：301、电子设备获取其摄像头当前的实时指向信息；
示例性的，电子设备的显示画面中可以设置一个用于图像分类的功能按键，当用户触发该功能按键时，可触发电子设备生成一个图像分类指令，该图像分类指令可用于指示电子设备对已存储的N(N＞0)个图像分类。
其中，这N个图像可以是电子设备内存储的所有图像，也可以是所有图像中用户选中的一个或多个图像，本申请实施例对此不作任何限制。
其中，电子设备获取其摄像头当前的实时指向信息的方法可参见上述步骤202中的相关描述，此处不再赘述。
302、电子设备获取上述N个图像中每个图像的历史指向信息。
303、电子设备从上述N个图像中，显示历史指向信息与上述实时指向信息相同的K个图像，K为大于或等于0的整数。
由于在拍摄每张图像时，电子设备均已在该图像的EXIF信息中记录了拍摄时摄像头的历史指向信息。因此，在步骤303中，电子设备可以将步骤302中获取的上述N个图像中每个图像内记录的历史指向信息，与步骤301获取到的实时指向信息对比，得到K个历史指向信息与上述实时指向信息相同的图像。
如图32所示，当电子设备当前摄像头的指向为东向时，电子设备可以将图库中所有历史指向信息也为东向的照片作为上述K个图像，进而，仍如图30所示，电子设备可以以缩略图的形式显示这K个图像。这样，用户通过调整电子设备当前的指向，便可以获取到拍摄图像时历史指向信息相同的一类图像。
当然，步骤303中的“相同”二字不一定是绝对的，当上述历史指向信息所指示的历史指向与实时指向信息所指示的实时指向之间的偏差小于预设阈值时，电子设备也可认为上述历史指向信息与上述实时指向信息相同，本发明实施例对此不作任何限制。
至此，通过上述步骤301-303所述的图像显示方法可以看出，在本发明实施例提供的图像显示方法中，通过对比显示图像时摄像的指向和拍摄图像时摄像头的指向，为用户显示与当前电子设备所处方位对应的所有图像，使用户可以通过调整当前摄像头的指向获取到历史指向信息相同的一类图像。
目前，如图1所示，用户可以通过相册等应用在电子设备上查看已经存储的图像。在显示图像内容的同时，还可以在显示画面内显示该图像的一些属性信息，例如，拍摄时间和拍摄地点等。如图1所示，用户还可以进入该图像的详细信息中查看其摄像头参数(例如，快门速度以及焦距大小等)、图像处理参数(例如，对比度、白平衡以及饱和度等)等属性信息。这样，用户可以通过这些属性信息详细了解拍摄上述图像时的一些拍摄细节。
但是，当用户拍摄一张图像后，尤其是在陌生的环境或景点中拍摄的图像，用户后续在查看该图像时可能希望获知拍摄时的具体拍摄方位或图像内景物的具体方位，以帮助用户准确的还原拍摄图像时的拍摄细节。
对此，在本申请实施例提供的图像显示方法中，当用户触发电子设备的拍照功能时，电子设备可在拍摄目标图像的同时，确定拍摄该目标图像时摄像头的指向信息，即此时摄像头在拍摄目标图像时所指的方向。这样，电子设备可以将上述指向信息添加至目标图像的属性信息中，例如，将上述指向信息添加至EXIF信息中，以EXIF格式存储上述目标图像。
那么，当电子设备显示上述目标图像时，可通过读取其EXIF信息获取拍摄该目标图像时摄像头的指向信息，进而，可以在显示画面内添加与该指向信息对应的方位标识，例如，图7中所示的拍摄时东西南北四个方位的标识。
这样，在显示目标图像的同时，还可以显示出拍摄该目标图像时拍摄方位的方位标识，以便于用户通过该方位标识准确还原当时拍摄的具体场景，从而获取用户所需的信息。
其中，如图2所示，EXIF格式的图片在图像信息的头部增加了有关拍摄的一些属性信息，本申请实施例中称其为EXIF信息。也就是说，以EXIF格式存储的图像，包括用于描述图像的图像信息(例如，图像内各个像素的灰阶值)以及图像的属性信息，即EXIF信息，例如，拍摄时的光圈、快门、白平衡、感光度、焦距、日期以及相机品牌、型号、拍摄时录制的声音以及GPS数据等。
在本申请实施中，如图2所示，电子设备在拍摄一幅图像时，可以获取摄像头的指向信息，并将该指向信息添加至该图像的EXIF信息中，以便于后续显示该图像时通过读取该指向信息显示相应的方位标识。
进一步地，上述电子设备具体可以为手机、相机、可穿戴设备、AR(augmented reality，增强现实)\VR(virtual reality，虚拟现实)设备、平板电脑、笔记本电脑、UMPC(ultra-mobile personal computer，超级移动个人计算机)、上网本、PDA(personal  digital assistant，个人数字助理)等任意具有图像显示功能的设备，本申请实施例对此不作任何限制。
本申请实施例中电子设备的硬件结构可以参考图3所示的电子设备的构成部件。
如图3所示，上述电子设备具体可以包括：射频(radio frequency，RF射频)电路320、存储器330、输入接口340、显示器350、摄像头360、音频电路370、处理器380以及电子罗盘390等部件。本领域技术人员可以理解，图3中示出的电子设备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3对电子设备的各个构成部件进行具体的介绍：
RF电路320可用于收发信息或通话过程中，信号的接收和发送，特别地，将无线接入设备的下行信息接收后，给处理器380处理；另外，将上行的数据发送给无线接入设备。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320还可以通过无线通信与网络和其他设备通信。
存储器330可用于存储软件程序以及模块，处理器380通过运行存储在存储器330的软件程序以及模块，从而执行电子设备的各种功能应用以及数据处理。
输入接口340可用于接收输入的数字或字符信息，以及产生与电子设备的用户设置以及功能控制有关的键信号输入。具体地，输入接口340可包括触摸面板341以及其他输入设备342。
显示器350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的各种菜单。显示器350可包括显示面板351，可选的，可以采用液晶显示器(liquid crystal display，LCD)、有机发光二极管(organic light-emitting diode，OLED)等形式来配置显示面板351。
摄像头360，也可以作为一种输入设备，具体用于将采集到的模拟视频或图像信号转换成数字信号，进而将其储存在存储器330中。具体的，摄像头360可以包括前置摄像头、后置摄像头、内置摄像头以及外置摄像头等，本申请实施例对此不作任何限制。
电子设备还可以包括重力传感器(gravity sensor)以及其它传感器，比如，光传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
音频电路370、扬声器371、麦克风372可提供用户与电子设备之间的音频接口。音频电路370可将接收到的音频数据转换后的电信号，传输到扬声器371，由扬声器371转换为声音信号输出；另一方面，麦克风372将收集的声音信号转换为电信号，由音频电路370接收后转换为音频数据，再将音频数据输出至RF电路320以发送给比如另一电子设备，或者将音频数据输出至存储器330以便进一步处理。
处理器380是电子设备的控制中心，利用各种接口和线路连接整个电子设备的各个部分，通过运行或执行存储在存储器330内的软件程序和/或模块，以及调用存储在存储器330内的数据，执行电子设备的各种功能和处理数据，从而对电子设备进行整体监控。可选的，处理器380可包括一个或多个处理单元。
电子罗盘390，也可称为数字指南针，可根据感测到的地磁场的磁场强度 确定当前电子罗盘所指示的方位。电子罗盘按照有无倾角补偿可以分为平面电子罗盘和三维电子罗盘,也可以按照传感器的不同分为磁阻效应传感器、霍尔效应传感器和磁通门传感器，本发明实施例对此不作任何限制。
尽管未示出，上述电子设备还可以包括电源、WiFi(wireless fidelity，无线保真)模块、蓝牙模块等，在此不再赘述。
以下，将结合具体实施例详细阐述本申请实施例提供的一种图像显示方法，如图4所示，该方法包括：
401、电子设备获取用户触发的拍摄指令。
示例性的，当用户打开电子设备的摄影或摄像功能时，电子设备进入拍摄界面，此时，如果用户触发拍摄界面内的拍摄按钮，则电子设备响应于用户此次触发的按键操作生成拍摄指令，该拍摄指令用于指示电子设备存储摄像头当前捕捉到的拍摄画面。
在电子设备获取到拍摄指令后，电子设备可以通过摄像头将景物的反射光线投射到电子设备内的光传感器(例如，CCD(charge-coupled device，电荷耦合元件))上，由光传感器将上述反射光线的光信号转换成电信号,该电信号经过一定的变换和处理后，以一定的格式存储在电子设备内。
同时，在本申请实施例中，在电子设备获取到拍摄指令后，电子设备还可以同时执行下述步骤402-404。
402、电子设备通过电子罗盘获取当前电子罗盘所指示的方位信息。
403、电子设备根据上述方位信息以及摄像头在电子设备上的设置位置，确定摄像头拍摄目标图像时的指向信息。
在步骤402中，电子设备内部一般都设置有电子罗盘，即数字指南针，该电子罗盘可根据感测到的地磁场的磁场强度确定当前电子罗盘所指示的方位信息，即此时电子设备当前所处的方位信息，例如，如图5所示，电子罗盘显示了当前电子设备的正前方为西方，电子设备的右方为北方，电子设备的正后方为东方，电子设备的左方为南方。
那么，由于在电子设备上设置摄像头的设置位置是一定的，因此，在步骤403中，电子设备可基于上述方位信息，根据摄像头在电子设备上的具体设置位置，确定出摄像头此时的指向信息。
例如，如图5所示，如果电子设备开启前置摄像头51进行拍摄，那么，结合图5所示的电子设备当前所处的方位，可以确定使用前置摄像头51拍摄图像(即目标图像)时，前置摄像头21的指向为东向，此时，电子设备生成的指向信息可用于指示朝东的方向。
404、电子设备将上述指向信息添加至目标图像的EXIF信息中。
在步骤404中，电子设备可以以EXIF格式存储上述目标图像，并且，如图2所示，电子设备将上述指向信息添加至目标图像的EXIF信息中。
具体的，EXIF信息中包含不同的字段，每个字段都设置有对应的标签。其中，0x927C号标签和0x9286号标签所对应的字段分别是由厂商自定义和由用户自定义的，因此，电子设备可以将上述指向信息添加至EXIF信息中 0x927C号标签和/或0x9286号标签所对应的字段中。
后续，当用户在电子设备上查看或浏览上述目标图像时，电子设备可继续执行下述步骤405-407。
405、电子设备获取用户触发的图像显示指令，该图像显示指令用于指示电子设备显示上述目标图像。
示例性的，当用户打开上述目标图像时，触发电子设备生成图像显示指令，此时，如图6所示，电子设备可通过显示窗口提示用户是否显示方位标识。如果用户确认显示方位标识，则电子设备继续执行下属步骤406-407。
当然，电子设备也可以默认在显示每一幅图像时均显示方位标识，用户可以在设置等选项中修改这一默认的设置，本申请实施例对此不作任何限制。
406、电子设备从目标图像的EXIF信息中，获取拍摄目标图像时摄像头的指向信息。
获取到上述图像显示指令之后，电子设备可以从已存储的目标图像的EXIF信息中，例如，EXIF信息中标签为0x9286的字段，获取拍摄上述目标图像时摄像头的指向信息。
同时，电子设备还可以在显示画面内显示目标图像的图像。
407、在显示画面中显示目标图像时，电子设备根据上述指向信息在显示画面内添加方位标识。
具体的，电子设备可以根据步骤406中获取到的指向信息生成上述方位标识。
示例性的，该方位标识可以为第一标识，该第一标识用于指示拍摄目标图像时摄像头的指向。例如，指向信息中记录了拍摄目标图像时摄像头的指向为南向，那么，电子设备可以将该指向信息所指示的方位转化为图8中所示的南向标识。又例如，如果指向信息中记录了拍摄目标图像时摄像头所处的东南西北四个方位，那么，电子设备可以将该指向信息所指示的方位转化为图7中所示的东南西北四个方位的方位标识。
另外，电子设备可以在目标图像内显示上述方位标识(如图8所示)，也可以在显示画面内除上述目标图像外的其他位置显示上述方位标识(如图7所示)，本申请实施例对此不作任何限制。
或者，该方位标识还可以为第二标识，该第二标识用于指示目标图像中被拍摄物体的方位。具体的，由于电子设备在拍摄目标图像时，摄像头与被拍摄物体之间的位置是一定的，因此，根据上述指向信息，电子设备可以通过图像识别技术确定目标图像中被拍摄物体所处的方位。
此时，如图9所示，电子设备可以通过一个显示窗口提示用户是否显示被拍摄物体的方位。如果用户确认显示被拍摄物体的方位，则电子设备可以通过边缘检测等图像识别方法识别目标图像中的主要线条，例如，图10中天安门的线条1，那么，根据线条1与水平线之间的夹角，以及拍摄时记录的摄像头的指向信息(例如，该指向信息用于指示拍摄时摄像头的指向为北偏东60°)，电子设备可以估算出线条1原本的所处的方位，进而，根据该线条1原本的所处的方位确定图10中天安 门所处的方位为正北方。此时，电子设备可生成与天安门(被拍摄物体)所处的方位对应的第二标识，即图9中的“北”字标识，并将该第二标识添加至目标图像中。
进一步地，如图11所示，电子设备还可以通过图像识别等方法识别出目标图像中天安门的城门，进而根据上述天安门(被拍摄物体)所处的方位，确定该城门为天安门的北门，进而在目标图像中显示“北门”的方位标识。
这样一来，电子设备可以帮助用户根据拍摄目标图像时的拍摄方位，确定出被拍摄物体的具体方位，并通过方位标识在显示画面内向用户提示，以便用户准确还原拍摄目标图像时的拍摄场景。
进一步地，在电子设备拍摄上述目标图像的过程中，也可以周期或非周期性的通过电子罗盘获取指向信息并生成方位标识。这样，如图12所示，电子设备可以在拍摄画面中显示该方位标识，该方位标识一直指示北向方向，从而在拍摄过程中提示用户当前的拍摄方位。
可以理解的是，电子设备可以同时显示上述目标图像与显示上述方位标识，也可以先在显示画面内显示上述目标图像，再在显示画面内显示上述方位标识。上述方位标识的显示时间也可以由用户进行设置，本申请实施例对此不作任何限制。
进一步地，本申请实施例提供的图像显示方法还可以包括以下步骤408-409。
408、电子设备获取用户触发的图像分类指令，该图像分类指令用于指示电子设备对已存储的N个图像分类，N为大于0的整数。
409、电子设备按照每个图像的指向信息，将N个图像划分为M个图像集合，每个图像集合内的所有图像的指向信息相同，M为大于0的整数。
在步骤408中，如图13所示，当用户触发按照拍摄方位进行图像分类功能时，电子设备可生成图像分类指令，该图像分类指令用于指示电子设备对已存储的N(N＞0)个图像分类。
其中，这N个图像可以是电子设备内存储的所有图像，也可以是所有图像中用户选中的一个或多个图像，本申请实施例对此不作任何限制。
那么，由于在拍摄每张图像时，电子设备已经在该图像的EXIF信息中记录了拍摄时的指向信息，因此，在步骤409中，电子设备可以按照每个图像的指向信息，将这N个图像划分为M(M＞0)个图像集合，每个图像集合内图像的拍摄方位相同。
示例性的，如图13所示，电子设备按照每个图像的指向信息，将N个图像划分为4个图像集合，即东、南、西、北四个图像集合。其中，指向信息中指示东向的图片均位于标识为“东”的图像集合内，指向信息中指示南向的图片均位于标识为“南”的图像集合内，指向信息中指示西向的图片均位于标识为“西”的图像集合内，指向信息中指示北向的图片均位于标识为“北”的图像集合内。
当然，可以理解的是，电子设备还可以按照每个图像的指向信息，设置 “东南”、“西北”等其他方位的图像集合，本申请实施例对此不作任何限制。
进一步地，本申请实施例还提供一种图像显示方法，如图14所示，该方法包括：
601、电子设备获取用户触发的拍摄指令，该拍摄指令中包括全景拍摄标识。
与步骤401类似的，如果用户触发拍摄界面内的全景拍摄按钮，则电子设备响应于用户此次触发的按键操作生成拍摄指令，不同的是，该拍摄指令中可以包括一个全景拍摄标识，使得电子设备获知当前的拍摄模式为全景拍摄模式。
602、电子设备确定摄像头开始拍摄目标图像时的起始指向信息，以及结束拍摄目标图像时的结束指向信息。
用户在拍摄全景图像时，一般需要在开始拍摄时触发一次拍摄按钮，并在结束拍摄时再出发一次拍摄按钮。那么，当用户第一次触发拍摄按钮(即开始拍摄全景图片)时，与步骤402-403类似的，电子设备可以通过电子罗盘确定开始拍摄目标图像时的起始指向信息；当用户第二次触发拍摄按钮(即结束拍摄全景图片)时，与步骤402-403类似的，电子设备可以通过电子罗盘确定结束拍摄目标图像时的起始指向信息。
示例性的，如图15所示，当用户第一次触发拍摄按钮时，电子设备确定开始拍摄目标图像时的起始指向信息为：北向。当用户第二次触发拍摄按钮时，电子设备确定结束拍摄目标图像时的结束拍摄方位信息指向信息为：东向。也就是说，用户使用电子设备自北向东旋转90°拍摄了目标图像。
603、电子设备将上述起始指向信息和结束指向信息添加至目标图像的EXIF信息中。
与步骤404不同的是，上述起始指向信息与开始拍摄目标图像时的拍摄画面(通常是第一帧图像)对应，而上述结束指向信息与结束拍摄目标图像时的拍摄画面(通常是最后一帧图像)对应。
604、在显示画面中显示目标图像时，电子设备在显示画面内添加用于指示起始指向信息的起始方位标识，以及用于指示结束指向信息的结束方位标识。
当电子设备获取到用于指示电子设备显示上述目标图像的图像显示指令时，电子设备可以从目标图像的EXIF信息中，获取拍摄目标图像时记录的上述起始指向信息和结束指向信息。进而，电子设备可以根据该起始指向信息生成对应的起始方位标识，并根据该结束指向信息生成对应的结束方位标识。
那么，以全屏播放上述目标图像为例，如图16所示，当显示目标图像的第一帧图像时，电子设备可在该第一帧图像内添加上述起始方位标识，即图16的(a)中的北向标识；当显示目标图像的最后一帧图像时，电子设备可在该最后一帧图像内添加上述结束方位标识，即图16的(b)中的东向标识。
进一步地，电子设备还可以根据已经记录的起始指向信息和结束指向信息，计算目标图像中其他位置的方位。例如，如图17所示，电子设备根据播 放目标图像时的播放速度，以及起始指向信息(北向)和结束指向信息(东向)，计算出目标图像中与东北方位对应的画面。这样，在全屏播放上述目标图像时，当播放与东北方位对应的画面时，如图17中的(b)所示，电子设备在可以在该画面内添加东北方位的标识。这样，在全屏播放全景的目标图像时，可以在相应的显示画面上添加与拍摄该显示画面时对应的方向标识。
另外，电子设备在全屏播放上述目标图像时，如图18所示，电子设备还可以显示一个移动方向的标识，用于提示用户按照该移动方向移动电子设备，那么，在电子设备移动的过程中，电子设备可以逐帧显示上述目标图像以及对应的方位标识(例如图18中的北向标识)，这样用户可以完全还原当时全景拍摄目标图像时的场景。
进一步地，电子设备在按照上述移动方向全屏播放上述目标图像时，电子设备还可以通过电子罗盘实时的获取当前的指向信息。那么，如果当前的指向信息与已经记录的指向信息相同时，电子设备可显示拍摄时与该指向信息对应的画面。例如，电子设备拍摄目标图像时的方向如图15所示，为自北向东旋转90°，当电子设备显示该目标图像时，如果当前电子设备的拍摄方位也为北向，则电子设备可显示目标图像中与北向对应的画面，那么，在显示该目标图像时，如果电子设备也是自北向东旋转90°，则可以完整地回看整个目标图像。
当然，电子设备也可以以缩略图的方式显示上述目标图像，如图19所示，此时，电子设备仍然可以在目标图像上添加对应的起始方位标识和结束方位标识，本申请实施例对此不作任何限制。
可以理解的是，上述电子设备等为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本申请实施例能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请实施例的范围。
本申请实施例可以根据上述方法示例对上述电子设备等进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。需要说明的是，本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。
在采用对应各个功能划分各个功能模块的情况下，图20示出了上述实施例中所涉及的电子设备的一种可能的结构示意图，该电子设备包括：获取单元1101、显示单元1102、添加单元1103、确定单元1104以及分类单元1105。
获取单元1101用于支持电子设备执行图4中的过程401-402、405-406、408，图14中的过程601，图23中的过程101-102以及图25中的过程201-202；显示单元1102用于支持电子设备执行图4中的过程407，图14中的过程604以及图25中的 过程203和205-206；添加单元1103用于支持电子设备执行图4中的过程404，图14中的过程603以及图23中的过程103；确定单元1104用于支持电子设备执行图4中的过程403，图14中的过程602，以及图25中的过程204；分类单元1105用于支持电子设备执行图4中的过程409。其中，上述方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。
在采用集成的单元的情况下，图21示出了上述实施例中所涉及的电子设备的一种可能的结构示意图。该电子设备包括：处理模块1302和通信模块1303。处理模块1302用于对电子设备的动作进行控制管理。通信模块1303用于支持UE与其他网络实体的通信。该电子设备还可以包括存储模块1301，用于存电子设备的程序代码和数据。
其中，处理模块1302可以是处理器或控制器，例如可以是中央处理器(Central Processing Unit，CPU)，通用处理器，数字信号处理器(Digital Signal Processor，DSP)，专用集成电路(Application-Specific Integrated Circuit，ASIC)，现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。所述处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等等。通信模块1303可以是收发器、收发电路或输入接口等。存储模块1301可以是存储器。
当处理模块1302为处理器，通信模块1303为RF收发电路，存储模块1301为存储器时，本申请实施例所提供的电子设备可以为图3所示的电子设备。
在上述实施例中，可以全部或部分的通过软件，硬件，固件或者其任意组合来实现。当使用软件程序实现时，可以全部或部分地以计算机程序产品的形式出现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。该可用介质可以是磁性介质，(例如，软盘，硬盘、磁带)、光介质(例如，DVD)或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在发明揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (31)

  1. 一种图像显示方法，其特征在于，包括：
    电子设备获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示全景图像；
    响应于所述第一指令，所述电子设备获取所述电子设备的摄像头的历史指向信息和实时指向信息，所述历史指向信息用于指示拍摄所述全景图像时所述摄像头的历史指向，所述实时指向信息用于指示当前所述摄像头的目标指向；
    当所述历史指向信息中存在所述目标指向时，所述电子设备显示所述全景图像中与所述目标指向对应的目标画面。
  2. 根据权利要求1所述的方法，其特征在于，在所述电子设备获取所述电子设备的摄像头的历史指向信息和实时指向信息之后，还包括：
    当所述历史指向信息中不存在所述实时指向信息所指示的目标指向时，所述电子设备根据所述历史指向信息和所述全景图像，确定与所述目标指向对应的目标画面；
    所述电子设备显示所述目标画面。
  3. 根据权利要求2所述的方法，其特征在于，所述历史指向信息包括所述摄像头从第一历史指向转动至第二历史指向时形成的夹角；
    其中，所述电子设备根据所述历史指向信息和所述全景图像，确定与所述目标指向对应的目标画面，包括：
    所述电子设备根据所述历史指向信息，计算所述摄像头每转动单位角度时，在所述全景图像中所对应的一个子画面；
    所述电子设备将与所述目标指向对应的子画面作为目标子画面；
    所述电子设备将包含所述目标子画面的一个画面确定为所述目标画面。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，在所述电子设备显示所述目标画面之后，还包括：
    电子设备在所述目标画面中添加用于指示所述目标指向的方位标识。
  5. 根据权利要求1-4中任一项所述的方法，其特征在于，在电子设备获取用户触发的第一指令之前，还包括：
    所述电子设备获取用户触发的第二指令，所述第二指令用于指示电子设备拍摄全景图像；
    响应于所述第二指令，所述电子设备在拍摄所述全景图像的过程中获取摄像头的历史指向信息；
    所述电子设备将所述历史指向信息添加至所述全景图像的图像文件格式EXIF信息中。
  6. 根据权利要求1-5中任一项所述的方法，其特征在于，所述方法还包括：
    所述电子设备获取所述摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；
    所述电子设备从所述N个图像中，显示历史指向信息与所述实时指向信息相同的K个图像，K为大于或等于0的整数。
  7. 一种图像显示方法，其特征在于，包括：
    电子设备获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示目标图像；
    响应于所述第一指令，所述电子设备获取拍摄所述目标图像时摄像头的指向信息，所述指向信息用于指示所述摄像头在拍摄所述目标图像时所指的方向；
    在显示画面中显示所述目标图像时，所述电子设备根据所述指向信息在所述显示画面内添加方位标识，所述方位标识包括第一标识和第二标识中的至少一个，所述第一标识用于指示拍摄所述目标图像时所述摄像头所指的方向，所述第二标识用于指示所述目标图像中被拍摄物体所处的方位。
  8. 根据权利要求7所述的方法，其特征在于，在电子设备获取用户触发的第一指令之前，还包括：
    所述电子设备获取用户触发的第二指令，所述第二指令用于指示所述电子设备通过所述摄像头拍摄所述目标图像；
    响应于所述第二指令，所述电子设备确定所述摄像头拍摄所述目标图像时的指向信息；
    所述电子设备将所述指向信息添加至所述目标图像的可交换图像文件EXIF信息中。
  9. 根据权利要求8所述的方法，其特征在于，所述电子设备确定所述摄像头拍摄所述目标图像时的指向信息，包括：
    所述电子设备通过电子罗盘获取当前所述电子罗盘所指示的方位信息；
    所述电子设备根据所述方位信息以及所述摄像头在所述电子设备上的设置位置，确定所述摄像头拍摄所述目标图像时的指向信息。
  10. 根据权利要求7-9中任一项所述的方法，其特征在于，所述方位标识为所述第一标识；
    其中，所述电子设备根据所述指向信息在所述显示画面内添加方位标识，包括：
    所述电子设备生成与所述指向信息对应的第一标识；
    所述电子设备在所述显示画面中添加所述第一标识。
  11. 根据权利要求7-10中任一项所述的方法，其特征在于，所述方位标识为所述第二标识；
    其中，所述电子设备根据所述指向信息在所述显示画面内添加方位标识，包括：
    所述电子设备根据所述指向信息确定所述目标图像中被拍摄物体的方位；
    所述电子设备生成与所述被拍摄物体的方位对应的第二标识；
    所述电子设备在所述显示画面中添加所述第二标识。
  12. 根据权利要求8-11中任一项所述的方法，其特征在于，所述第二指令中包括全景拍摄标识；
    其中，所述电子设备确定所述摄像头拍摄所述目标图像时的指向信息，包括：
    所述电子设备确定所述摄像头开始拍摄所述目标图像时的起始指向信息，以及结束拍摄所述目标图像时的结束指向信息；
    其中，所述电子设备根据所述指向信息在所述显示画面内添加方位标识，包括：
    所述电子设备在所述显示画面内添加第三标识，所述第三标识用于指示所述起始指向信息；
    所述电子设备在所述显示画面内添加第四标识，所述第四标识用于指示所述结束指向信息。
  13. 根据权利要求12所述的方法，其特征在于，所述电子设备在所述显示画面内添加第三标识，包括：
    在显示所述目标图像中的第一帧图像时，所述电子设备在所述第一帧图像内添加所述第三标识；
    其中，所述电子设备在所述显示画面内添加用于第四标识，包括：
    在显示所述目标图像中的最后一帧图像时，所述电子设备在所述最后一帧图像内添加所述第四标识。
  14. 根据权利要求12或13中所述的方法，其特征在于，所述方法还包括：
    所述电子设备获取当前所述摄像头的指向信息；
    若当前所述摄像头的指向信息与所述起始指向信息相同，则所述电子设备显示所述目标图像中的第一帧图像；
    若当前所述摄像头的指向信息与所述结束指向信息相同，则所述电子设备显示所述目标图像中的最后一帧图像。
  15. 根据权利要求8-14中任一项所述的方法，其特征在于，所述方法还包括：
    所述电子设备获取用户触发的第三指令，所述第三指令用于指示所述电子设备对已存储的N个图像分类，N为大于0的整数；
    响应于所述第三指令，所述电子设备按照每个图像的指向信息，将所述N个图像划分为M个图像集合，其中，每个图像集合内的所有图像的指向信息相同，M为大于0的整数。
  16. 一种电子设备，其特征在于，包括：
    获取单元，用于：获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示全景图像；响应于所述第一指令，获取所述电子设备的摄像头的历史指向信息和实时指向信息，所述历史指向信息用于指示拍摄所述全景图像时所述摄像头的历史指向，所述实时指向信息用于指示当前所述摄像头的目标指向；
    显示单元，用于：当所述历史指向信息中存在所述目标指向时，显示所述全景图像中与所述目标指向对应的目标画面。
  17. 根据权利要求16所述的电子设备，其特征在于，所述电子设备还包括确定单元，
    所述确定单元，用于：当所述历史指向信息中不存在所述实时指向信息所指示的目标指向时，根据所述历史指向信息和所述全景图像，确定与所述目标指向对应的目标画面；
    所述显示单元，还用于：显示所述目标画面。
  18. 根据权利要求17所述的电子设备，其特征在于，所述历史指向信息包括所述摄像头从第一历史指向转动至第二历史指向时形成的夹角；
    所述确定单元，具体用于：根据所述历史指向信息，计算所述摄像头每转动 单位角度时，在所述全景图像中所对应的一个子画面；将与所述目标指向对应的子画面作为目标子画面；将包含所述目标子画面的一个画面确定为所述目标画面。
  19. 根据权利要求16-18中任一项所述的电子设备，其特征在于，
    所述显示单元，还用于：在所述目标画面中添加用于指示所述目标指向的方位标识。
  20. 根据权利要求16-19中任一项所述的电子设备，其特征在于，所述电子设备还包括添加单元，
    所述获取单元，还用于：获取用户触发的第二指令，所述第二指令用于指示电子设备拍摄全景图像；响应于所述第二指令，在拍摄所述全景图像的过程中获取摄像头的历史指向信息；
    所述添加单元，用于：将所述历史指向信息添加至所述全景图像的图像文件格式EXIF信息中。
  21. 根据权利要求16-20中任一项所述的电子设备，其特征在于，
    所述获取单元，还用于：获取所述摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；
    所述显示单元，还用于：从所述N个图像中，显示历史指向信息与所述实时指向信息相同的K个图像，K为大于或等于0的整数。
  22. 一种电子设备，其特征在于，包括：
    获取单元，用于：获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示目标图像；响应于所述第一指令，获取拍摄所述目标图像时摄像头的指向信息，所述指向信息用于指示所述摄像头在拍摄所述目标图像时所指的方向；
    添加单元，用于：在显示画面中显示所述目标图像时，根据所述指向信息在所述显示画面内添加方位标识，所述方位标识包括第一标识和第二标识中的至少一个，所述第一标识用于指示拍摄所述目标图像时所述摄像头所指的方向，所述第二标识用于指示所述目标图像中被拍摄物体所处的方位。
  23. 一种电子设备，其特征在于，包括：显示器、输入接口、处理器以及摄像头，其中：
    所述输入接口，用于：获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示全景图像；
    所述处理器，用于：获取所述电子设备的摄像头的历史指向信息和实时指向信息，所述历史指向信息用于指示拍摄所述全景图像时所述摄像头的历史指向，所述实时指向信息用于指示当前所述摄像头的目标指向；
    所述处理器，还用于：当所述历史指向信息中存在所述目标指向时，控制所述显示器显示所述全景图像中与所述目标指向对应的目标画面。
  24. 根据权利要求23所述的电子设备，其特征在于，所述处理器，还用于：
    当所述历史指向信息中不存在所述实时指向信息所指示的目标指向时，根据所述历史指向信息和所述全景图像，确定与所述目标指向对应的目标画面；控制所述显示器显示所述目标画面。
  25. 根据权利要求24所述的电子设备，其特征在于，所述历史指向信息包括所述摄像头从第一历史指向转动至第二历史指向时形成的夹角；
    其中，所述根据所述历史指向信息和所述全景图像，确定与所述目标指向对应的目标画面，具体包括：
    根据所述历史指向信息，计算所述摄像头每转动单位角度时，在所述全景图像中所对应的一个子画面；将与所述目标指向对应的子画面作为目标子画面；将包含所述目标子画面的一个画面确定为所述目标画面。
  26. 根据权利要求23-25中任一项所述的电子设备，其特征在于，所述处理器还用于：
    控制所述显示器在所述目标画面中显示用于指示所述目标指向的方位标识。
  27. 根据权利要求23-26中任一项所述的电子设备，其特征在于，
    所述输入接口，还用于：获取用户触发的第二指令，所述第二指令用于指示电子设备拍摄全景图像；
    所述处理器，还用于：在拍摄所述全景图像的过程中获取摄像头的历史指向信息；将所述历史指向信息添加至所述全景图像的图像文件格式EXIF信息中。
  28. 根据权利要求23-27中任一项所述的电子设备，其特征在于，所述处理器，还用于：
    获取所述摄像头当前的实时指向信息以及N个图像中每个图像的历史指向信息，N为大于0的整数；从所述N个图像中，控制所述显示器显示历史指向信息与所述实时指向信息相同的K个图像，K为大于或等于0的整数。
  29. 一种电子设备，其特征在于，包括：显示器、输入接口、摄像头以及处理器，其中：
    所述输入接口，用于：获取用户触发的第一指令，所述第一指令用于指示所述电子设备显示目标图像；
    所述处理器，用于：响应于所述第一指令，获取拍摄所述目标图像时所述摄像头的指向信息，所述指向信息用于指示所述摄像头在拍摄所述目标图像时所指的方向；
    所述处理器，还用于：在所述显示器内显示所述目标图像时，根据所述指向信息在显示画面内添加方位标识，所述方位标识包括第一标识和第二标识中的至少一个，所述第一标识用于指示拍摄所述目标图像时所述摄像头所指的方向，所述第二标识用于指示所述目标图像中被拍摄物体所处的方位。
  30. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有指令，当其在电子设备上运行时，使得所述电子设备执行权利要求1-6或7-15中任一项所述的图像显示方法。
  31. 一种计算机程序产品，其特征在于，所述计算机程序产品包含指令，当其在电子设备上运行时，使得所述电子设备执行权利要求1-6或7-15中任一项所述的图像显示方法。
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