CN114827343A - Method and device for screen sharing - Google Patents

Method and device for screen sharing Download PDF

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Publication number
CN114827343A
CN114827343A CN202210374873.3A CN202210374873A CN114827343A CN 114827343 A CN114827343 A CN 114827343A CN 202210374873 A CN202210374873 A CN 202210374873A CN 114827343 A CN114827343 A CN 114827343A
Authority
CN
China
Prior art keywords
screen
camera
function
user
screen sharing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202210374873.3A
Other languages
Chinese (zh)
Inventor
徐苏琴
樊杰
柳瑞超
何健
鲍军言
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics China R&D Center
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics China R&D Center
Samsung Electronics Co Ltd
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 Samsung Electronics China R&D Center, Samsung Electronics Co Ltd filed Critical Samsung Electronics China R&D Center
Priority to CN202210374873.3A priority Critical patent/CN114827343A/en
Publication of CN114827343A publication Critical patent/CN114827343A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72439User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0222Foldable in two directions, i.e. using a two degree of freedom hinge
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions

Abstract

A method and apparatus for screen sharing are provided. The method comprises the following steps: when the application uses the camera service, the camera service provides options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function for the user to select; the camera service acquires data based on the function selected by the user and provides the acquired data to the application.

Description

Method and device for screen sharing
Technical Field
The present application relates to the field of display, and more particularly, to a method and apparatus for screen sharing.
Background
In the prior art, the screen sharing function is implemented inside the application, and the application mainly obtains the screen content in a screen recording manner.
Therefore, the screen sharing function of the prior art can be used alone only in a specific application having the function, such as screen sharing is not possible when a video call is made using the application; in addition, since the application acquires the screen content by screen recording, the original high-quality image data cannot be obtained.
Disclosure of Invention
According to an exemplary embodiment of the present invention, there is provided a method for screen sharing, including: when the application uses the camera service, the camera service provides options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function for the user to select; the camera service acquires data based on the function selected by the user and provides the acquired data to the application.
The acquired data may be a camera-captured image when the image-capturing function is selected by the user, a screen frame displayed by another application when the screen-sharing function is selected by the user, and both the camera-captured image and the screen frame displayed by the other application when the image-capturing and screen-sharing functions are selected by the user.
The camera service may acquire a screen frame from a display rendering service (Surface flicker).
When the image capturing and screen sharing function is selected by the user, the step of the camera service acquiring data based on the function selected by the user may include: determining whether the current electronic equipment has a folding screen; data assigned to a corresponding screen is acquired based on whether the current electronic device has a folded screen.
When it is determined that the current electronic device has a folded screen, the step of acquiring data assigned to the corresponding screen may include: determining whether a folding screen of the current electronic equipment is folded up and down or folded left and right; data assigned to a corresponding screen is acquired based on whether a folded screen of the current electronic device is folded up and down or folded left and right.
When it is determined that the current electronic device does not have a folding screen, the step of acquiring data assigned to the corresponding screen may include: acquiring a camera capture image and a screen frame; reducing a brightness difference between a camera captured image and a screen frame; a layout pattern on a screen of a camera-captured image and a screen frame that reduces a luminance difference is determined.
The step of determining a layout style of the camera-captured image and the screen frame on the screen that reduces the luminance difference may include: a layout style on a screen of the camera captured image and the screen frame that reduces the luminance difference is determined by a decision tree model based on the predetermined attribute.
The predetermined attribute may include at least one of whether the current electronic device has a folded screen, whether the current electronic device is in a folded state, a camera capture image sharpness, a screen frame sharpness, a type of the application, and a type of the another application.
According to another exemplary embodiment of the present invention, there is provided a camera service apparatus for screen sharing, including: an option providing module configured to provide options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function for a user to select when the application uses the camera service; a data acquisition module configured to acquire data based on a function selected by a user and provide the acquired data to the application.
The acquired data may be a camera-captured image when the image-capturing function is selected by the user, a screen frame displayed by another application when the screen-sharing function is selected by the user, and both the camera-captured image and the screen frame displayed by the other application when the image-capturing and screen-sharing functions are selected by the user.
The camera service device for screen sharing may further include: a screen management module configured to acquire a screen frame from a display rendering service (Surface flicker).
When the image capture and screen sharing functions are selected by the user, the data acquisition module may be further configured to: determining whether the current electronic equipment has a folding screen; data assigned to a corresponding screen is acquired based on whether the current electronic device has a folded screen.
When it is determined that the current electronic device has a folding screen, the data acquisition module may be further configured to: determining whether a folding screen of the current electronic equipment is folded up and down or folded left and right; data assigned to a corresponding screen is acquired based on whether a folded screen of the current electronic device is folded up and down or folded left and right.
When it is determined that the current electronic device does not have a folding screen, the data acquisition module may be further configured to: acquiring a camera capture image and a screen frame; reducing a brightness difference between a camera captured image and a screen frame; a layout pattern on a screen of a camera-captured image and a screen frame that reduces a luminance difference is determined.
The data acquisition module may be further configured to: a layout style on a screen of the camera captured image and the screen frame that reduces the luminance difference is determined by a decision tree model based on the predetermined attribute.
The predetermined attribute may include at least one of whether the current electronic device has a folded screen, whether the current electronic device is in a folded state, a camera-captured image sharpness, a screen frame sharpness, a type of the application, and a type of another application for outputting a screen frame.
According to another exemplary embodiment of the invention, an electronic device is provided, comprising a memory and a processor, the memory having stored thereon computer-executable instructions of a camera service, which when executed by the processor, perform the aforementioned method.
According to another exemplary embodiment of the present invention, a computer-readable medium is provided, on which computer-executable instructions of a camera service are stored, which when executed, perform the aforementioned method.
According to an exemplary embodiment of the present invention, functions of a camera service can be extended and applications using the camera service can perform screen sharing, an original high-quality screen frame is acquired for screen sharing through an extended function of the camera service as a system process, and a camera capture image and the screen frame can be simultaneously displayed, so that the applications do not need to implement the screen sharing function by themselves; in addition, a better layout and better adaptation to the folding screen can be improved for screen sharing.
Drawings
The above and other objects and features of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a flowchart illustrating a method for screen sharing according to an exemplary embodiment of the present invention;
FIG. 2 is a diagram illustrating a provision option according to an exemplary embodiment of the present invention;
fig. 3 is a flowchart illustrating step S120 of fig. 1 according to an exemplary embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the allocation of camera capture images and screen frames according to an exemplary embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating luminance fusion and image stitching according to an exemplary embodiment of the present invention;
fig. 6 is a block diagram illustrating a camera service apparatus for screen sharing according to an exemplary embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. The embodiments are described below in order to explain the present invention by referring to the figures.
Fig. 1 is a flowchart illustrating a method for screen sharing according to an exemplary embodiment of the present invention.
Referring to fig. 1, when an application uses a camera service, the camera service may provide options for an image capturing function, a screen sharing function, or an image capturing and screen sharing function for a user to select at step S110. It should be noted that the camera service here may be a system camera service. Here, when the image capturing function is selected by the user, the acquired data may be a camera captured image, wherein the camera captured image may be a front camera captured image, a rear camera captured image, or other camera captured images; when the screen sharing function is selected by a user, the acquired data may be a screen frame for screen sharing displayed by another application; when the image capturing and screen sharing functions are selected by the user, the acquired data may be a camera captured image and a screen frame displayed by the other application. Further, by way of example only and not limitation, when the system is Android (Android), the camera service may obtain a screen frame from Surface flunger, where the camera service may invoke Surface flunger as it is a system process. Further, by way of example only and not limitation, the camera service may provide options for an image capture function, a screen sharing function, or an image capture and screen sharing function through a pop-up icon, a pop-up window, or the like. Further, when the user uses the camera service from the application, an option of an image capturing function, a screen sharing function, or an image capturing and screen sharing function may be provided, or when the user uses the camera service from the application, a floating icon may be provided, and when the user clicks or touches the floating icon, an option of an image capturing function, a screen sharing function, or an image capturing and screen sharing function may be provided. Fig. 2 is a diagram illustrating a provision option according to an exemplary embodiment of the present invention. As shown in fig. 2, when the user clicks the floating icon, options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function are provided.
In step S120, the camera service may acquire data based on the function selected by the user and provide the acquired data to the application. Step S120 will be described in more detail below with reference to fig. 3.
Fig. 3 is a flowchart illustrating step S120 of fig. 1 according to an exemplary embodiment of the present invention.
Referring to fig. 3, when the image capturing function is selected by the user, the camera service may acquire a camera-captured image at step S310.
In step S320, when the screen sharing function is selected by the user, the camera service may acquire a screen frame displayed by another application.
In step S330, when the image capturing and screen sharing function is selected by the user, the camera service may determine whether the current electronic device has a folded screen and acquire data allocated to the corresponding screen based on whether the current electronic device has a folded screen.
When it is determined that the current electronic device has a folded screen, the camera service may determine whether the folded screen of the current electronic device is folded up and down or folded left and right and acquire data allocated to the corresponding screen based on whether the folded screen of the current electronic device is folded up and down or folded left and right, such as acquiring a camera capture image and a screen frame and allocating the camera capture image and the screen frame to an upper screen and a lower screen, respectively, or allocating the camera capture image and the screen frame to a left screen and a right screen, respectively, at step S340. More specifically, the camera-captured image and the screen frame may be allocated to the upper screen and the lower screen or the left screen and the right screen, respectively, according to the usage habits of the user, such as when the dominant hand of the user is the right hand, the camera-captured image may be allocated to the left screen and the screen frame may be allocated to the right screen. Here, it should be noted that the above-described manner of allocating the camera capture image and the screen frame is only an example and not a limitation, and those skilled in the art can allocate the camera capture image and the screen frame to the folding screen according to the actual situation. Fig. 4 is a diagram illustrating the allocation of camera capture images and screen frames according to an exemplary embodiment of the present invention. As shown in fig. 4, when the user selects to share a powerpoint (PPT) application as another application, a camera capture image and a screen frame (displayed by the PPT application) may be displayed according to a folded screen.
Further, when it is determined that the current electronic device does not have a folded screen, the camera service may acquire the camera-captured image and the screen frame, and reduce a luminance difference between the camera-captured image and the screen frame (such as to make brightness of both approach to be uniform) at step S350. Here, by way of example only and not limitation, the luminance difference between the camera captured image and the screen frame may be reduced by performing luminance fusion. In step S360, the camera service may determine a layout style of the camera-captured image and the screen frame on the screen, which reduces the brightness difference, for image stitching. More specifically, the step of determining a layout style on the screen of the camera-captured image and the screen frame that reduces the luminance difference may include: determining a layout style on the screen of the camera captured image and the screen frame that reduces the brightness difference by a decision tree model based on predetermined attributes, wherein the predetermined attributes may include at least one of whether the current electronic device has a folded screen, whether the current electronic device is in a folded state, a camera captured image sharpness, a screen frame sharpness, a type of the application, and a type of the another application, by way of example only and not limitation. Here, by way of example only and not limitation, whether the current electronic device has a folding screen may include having (value may be 1, the same below) and not having (0); whether the current electronic device is in the folded state may include an unfolded device (null, which may take a value of 0), a folded state (1), and an unfolded state (0); camera capture image sharpness may include high (0), medium (1), and low (2); screen frame sharpness may include high (0), medium (1), and low (2); the types of applications may include business (0), entertainment (1), and general (2); the types of the other applications may include business (0), entertainment (1), and general (2). In addition, the decision tree model may be trained by using data of a screen shared by an existing application or data of a stitched image on a mainstream website, for example, data that the on-line education application has completed screen sharing may be x ═ 0, 0, 1, 0, 0, 0}, and a corresponding layout style is y ═ type 2 (such as displaying a screen frame on the whole screen and overlaying the camera captured image in the upper right corner), so that one piece of training data { x, y } {0, 1, 0, 0, 0, 2} may be obtained, and a plurality of pieces of such training data may be obtained to train the decision tree model. After training is completed, the data x can be used to obtain the type y of the layout style through a decision tree model. Fig. 5 is a schematic diagram illustrating luminance fusion and image stitching according to an exemplary embodiment of the present invention. As shown in fig. 5, when a user desires to record a short video with a recipe while making a food, the food video as a camera-captured image and the recipe text as a screen frame may be subjected to the luminance fusion and image stitching as described above.
Further, after steps S310, S320, S340, S360, the camera service may provide the acquired data to the application at step S370. More specifically, after step S310, the camera service may provide the camera-captured image to the application; after step S320, the camera service may provide the screen frame to the application; after step S340, the camera service may provide the camera-captured image and the screen frame allocated to the folding screen to the application; after step S360, the camera service may provide the camera capture image and the screen frame, in which the layout style is determined, to the application.
Fig. 6 is a block diagram illustrating a camera service apparatus for screen sharing according to an exemplary embodiment of the present invention.
Referring to fig. 6, a camera service apparatus 600 for screen sharing according to an exemplary embodiment of the present invention may include an option providing module 610 and a data acquiring module 620.
The option providing module 610 may be configured to provide options for an image capturing function, a screen sharing function, or an image capturing and screen sharing function for a user to select when the application uses the camera service.
The data acquisition module 620 may be configured to acquire data based on a function selected by a user and provide the acquired data to the application. Here, when the image capturing function is selected by the user, the acquired data may be a camera-captured image; when the screen sharing function is selected by a user, the acquired data may be a screen frame for screen sharing displayed by another application; when the image capturing and screen sharing functions are selected by the user, the acquired data may be a camera captured image and a screen frame displayed by the other application.
When the image capture and screen sharing functions are selected by the user, the data acquisition module 620 may be further configured to: determining whether the current electronic equipment has a folding screen; data assigned to a corresponding screen is acquired based on whether the current electronic device has a folded screen.
When it is determined that the current electronic device has a folded screen, the data acquisition module 620 may be further configured to: determining whether a folding screen of the current electronic equipment is folded up and down or folded left and right; data assigned to a corresponding screen is acquired based on whether a folded screen of the current electronic device is folded up and down or folded left and right. When it is determined that the current electronic device does not have a folding screen, the data acquisition module 620 may be further configured to: acquiring a camera capture image and a screen frame; reducing a brightness difference between a camera captured image and a screen frame; a layout pattern on a screen of a camera-captured image and a screen frame that reduces a luminance difference is determined.
The data acquisition module 620 may also be configured to: determining a layout style on the screen of the camera captured image and the screen frame that reduces the brightness difference by a decision tree model based on predetermined attributes, wherein the predetermined attributes include at least one of whether the current electronic device has a folded screen, whether the current electronic device is in a folded state, a camera captured image sharpness, a screen frame sharpness, a type of the application, and a type of the another application, by way of example only and not limitation.
In addition, the camera service apparatus 600 for screen sharing may further include: the screen management module 630 may be configured to acquire a screen frame from the Surface flicker.
It should be understood that the camera service apparatus 600 for screen sharing according to an exemplary embodiment of the present invention in fig. 6 may correspond to the aforementioned camera service.
On the other hand, according to an exemplary embodiment of the present invention, there may also be provided an electronic device including a memory and a processor, the memory having stored thereon computer-executable instructions of a camera service, which when executed by the processor, perform the aforementioned method. According to an exemplary embodiment of the present invention, there may also be provided a computer-readable medium having stored thereon computer-executable instructions of a camera service, which when executed, perform the aforementioned method.
According to an exemplary embodiment of the present invention, functions of a camera service can be extended and applications using the camera service can perform screen sharing, an original high-quality screen frame is acquired for screen sharing through an extended function of the camera service as a system process, and a camera capture image and the screen frame can be simultaneously displayed, so that the applications do not need to implement the screen sharing function by themselves; in addition, a better layout and better adaptation to the folding screen can be improved for screen sharing.
While the invention has been shown and described with reference to certain exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (11)

1. A method for screen sharing, comprising:
when the application uses the camera service, the camera service provides options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function for the user to select;
the camera service acquires data based on the function selected by the user and provides the acquired data to the application.
2. The method for screen sharing of claim 1, wherein,
when the image capture function is selected by the user, the acquired data is a camera captured image,
when the screen sharing function is selected by the user, the acquired data is a screen frame displayed by another application,
when the image capture and screen sharing functions are selected by the user, the acquired data are a camera capture image and a screen frame displayed by the other application.
3. The method for screen sharing of claim 2, wherein the camera service acquires the screen frame from a display rendering service (Surface flicker).
4. The method for screen sharing of claim 2, wherein, when the image capturing and screen sharing function is selected by the user, the camera service acquiring data based on the function selected by the user comprises:
determining whether the current electronic equipment has a folding screen;
data assigned to a corresponding screen is acquired based on whether the current electronic device has a folded screen.
5. The method for screen sharing of claim 4, wherein when it is determined that the current electronic device has a folding screen, the acquiring of the data allocated to the corresponding screen comprises:
determining whether a folding screen of the current electronic equipment is folded up and down or folded left and right;
data assigned to a corresponding screen is acquired based on whether a folded screen of the current electronic device is folded up and down or folded left and right.
6. The method for screen sharing of claim 4, wherein when it is determined that the current electronic device does not have a folding screen, the step of acquiring data allocated to the corresponding screen comprises:
acquiring a camera capture image and a screen frame;
reducing a brightness difference between a camera captured image and a screen frame;
a layout pattern on a screen of the camera-captured image and the screen frame that reduces the luminance difference is determined.
7. The method for screen sharing of claim 6, wherein the step of determining a layout style of the camera capture image and the screen frame on the screen that reduces the brightness difference comprises:
a layout style on a screen of the camera captured image and the screen frame that reduces the luminance difference is determined by a decision tree model based on the predetermined attribute.
8. The method for screen sharing of claim 7, wherein the predetermined attribute comprises at least one of whether the current electronic device has a folded screen, whether the current electronic device is in a folded state, a camera captured image sharpness, a screen frame sharpness, a type of the application, and a type of the another application.
9. A camera service apparatus for screen sharing, comprising:
an option providing module configured to provide options of an image capturing function, a screen sharing function, or an image capturing and screen sharing function for a user to select when the application uses the camera service;
a data acquisition module configured to acquire data based on a function selected by a user and provide the acquired data to the application.
10. An electronic device comprising a memory and a processor, the memory having stored thereon computer-executable instructions for a camera service that, when executed by the processor, perform the method of any of the preceding claims 1-8.
11. A computer readable medium having stored thereon computer executable instructions of a camera service which when executed perform the method of any of the preceding claims 1-8.
CN202210374873.3A 2022-04-11 2022-04-11 Method and device for screen sharing Pending CN114827343A (en)

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Application Number Priority Date Filing Date Title
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Citations (6)

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Publication number Priority date Publication date Assignee Title
CN1946213A (en) * 2005-10-07 2007-04-11 三星电子株式会社 Method for performing video communication service and mobile communication terminal therefor
US20110081952A1 (en) * 2009-10-01 2011-04-07 Song Yoo-Mee Mobile terminal and tag editing method thereof
CN107766023A (en) * 2017-10-19 2018-03-06 广东欧珀移动通信有限公司 Method for information display, device, terminal and storage medium
CN112114733A (en) * 2020-09-23 2020-12-22 青岛海信移动通信技术股份有限公司 Screen capturing and recording method, mobile terminal and computer storage medium
CN112291630A (en) * 2020-10-28 2021-01-29 维沃移动通信(杭州)有限公司 Electronic equipment screen sharing method and device
CN113141483A (en) * 2020-01-17 2021-07-20 华为技术有限公司 Screen sharing method based on video call and mobile device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1946213A (en) * 2005-10-07 2007-04-11 三星电子株式会社 Method for performing video communication service and mobile communication terminal therefor
US20110081952A1 (en) * 2009-10-01 2011-04-07 Song Yoo-Mee Mobile terminal and tag editing method thereof
CN107766023A (en) * 2017-10-19 2018-03-06 广东欧珀移动通信有限公司 Method for information display, device, terminal and storage medium
CN113141483A (en) * 2020-01-17 2021-07-20 华为技术有限公司 Screen sharing method based on video call and mobile device
CN112114733A (en) * 2020-09-23 2020-12-22 青岛海信移动通信技术股份有限公司 Screen capturing and recording method, mobile terminal and computer storage medium
CN112291630A (en) * 2020-10-28 2021-01-29 维沃移动通信(杭州)有限公司 Electronic equipment screen sharing method and device

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