CN113852721A - Device control method, device, storage medium and electronic device - Google Patents

Device control method, device, storage medium and electronic device Download PDF

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Publication number
CN113852721A
CN113852721A CN202010525513.XA CN202010525513A CN113852721A CN 113852721 A CN113852721 A CN 113852721A CN 202010525513 A CN202010525513 A CN 202010525513A CN 113852721 A CN113852721 A CN 113852721A
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China
Prior art keywords
preset
expression
display screen
size
screen
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Granted
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CN202010525513.XA
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Chinese (zh)
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CN113852721B (en
Inventor
冯东杰
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202010525513.XA priority Critical patent/CN113852721B/en
Publication of CN113852721A publication Critical patent/CN113852721A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means

Abstract

The application discloses a device control method, a device control apparatus, a storage medium and an electronic device. The device control method can be applied to an electronic device including a retractable display screen, and includes: when a screen unlocking instruction is received, a face image is obtained; identifying whether the face image is matched with a preset face image or not; if so, identifying whether the facial expression on the facial image is matched with a preset expression; if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen. According to the unlocking method and device, manual operation of a user is not needed, unlocking can be achieved through face recognition, the size of the display screen unfolding area can be flexibly adjusted through face expression when unlocking is conducted, and operability of the electronic equipment is improved.

Description

Device control method, device, storage medium and electronic device
Technical Field
The present application belongs to the technical field of electronic devices, and in particular, to a device control method, apparatus, storage medium, and electronic device.
Background
With the continuous development of the technology, the form of the electronic device is also changing. A development from a small screen to a large screen, a development from a display screen for simply displaying images and characters to a touch display screen that can receive a user touch operation, and the like. However, in the related art, the user still has not sufficient convenience in operating the electronic device. That is, the operability of the electronic device is not high.
Disclosure of Invention
The embodiment of the application provides a device control method and device, a storage medium and an electronic device, which can improve the operability of the electronic device.
In a first aspect, an embodiment of the present application provides an apparatus control method, which is applied to an electronic apparatus, where the electronic apparatus includes a retractable display screen, and the method includes:
when a screen unlocking instruction is received, a face image is obtained;
identifying whether the face image is matched with a preset face image;
if so, identifying whether the facial expression on the facial image is matched with a preset expression;
if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
In a second aspect, an embodiment of the present application provides an apparatus control device, including:
the acquisition module is used for acquiring a face image when a screen unlocking instruction is received;
the first recognition module is used for recognizing whether the face image is matched with a preset face image or not;
the second identification module is used for identifying whether the facial expression on the facial image is matched with a preset expression or not if the facial expression is matched with the preset expression;
and the processing module is used for adjusting the size of the expansion area of the telescopic display screen and unlocking the screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen if the preset expression corresponds to the size of the expansion area of the telescopic display screen.
In a third aspect, an embodiment of the present application provides a storage medium, on which a computer program is stored, and when the computer program is executed on a computer, the computer is caused to execute the method provided by the embodiment of the present application.
In a fourth aspect, an embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the processor is configured to execute the method provided in the embodiment of the present application by calling a computer program stored in the memory.
In the embodiment of the application, when a screen unlocking instruction is received, the electronic equipment can acquire a face image and recognize whether the face image is matched with a preset face image or not, if so, the face image is recognized whether the face expression on the face image is matched with a preset expression or not, if so, the size of the telescopic display screen unfolding area is adjusted according to the preset corresponding relation between the preset expression and the size of the telescopic display screen unfolding area, and the screen is unlocked. According to the embodiment of the application, manual operation of a user is not needed, the electronic equipment can be unlocked through face recognition, the size of the telescopic display screen unfolding area can be flexibly adjusted through the face expression during unlocking, and the operability of the electronic equipment is improved.
Drawings
The technical solutions and advantages of the present application will become apparent from the following detailed description of specific embodiments of the present application when taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural diagram of a contracted state of a flexible display screen of an electronic device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an extended state of a flexible display screen of an electronic device according to an embodiment of the present application.
Fig. 3 is an exploded schematic view of an electronic device according to an embodiment of the present application.
Fig. 4 is an exploded schematic view of a schematic cross-sectional structure diagram of a contracted state of a flexible display screen of an electronic device according to an embodiment of the present application.
Fig. 5 is an exploded schematic view of a schematic cross-sectional structure diagram of an extended state of a flexible display screen of an electronic device according to an embodiment of the present application.
Fig. 6 is a flowchart illustrating an apparatus control method according to an embodiment of the present application.
Fig. 7 is another schematic flowchart of a device control method according to an embodiment of the present application.
Fig. 8 is a scene schematic diagram of a device control method provided in an embodiment of the present application.
Fig. 9 is another schematic view of a device control method provided in an embodiment of the present application.
Fig. 10 is a schematic structural diagram of an apparatus controlled by a device according to an embodiment of the present application.
Fig. 11 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.
Fig. 12 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Referring to the drawings, wherein like reference numbers refer to like elements, the principles of the present application are illustrated as being implemented in a suitable computing environment. The following description is based on illustrated embodiments of the application and should not be taken as limiting the application with respect to other embodiments that are not detailed herein.
It is understood that the execution subject of the embodiment of the present application may be an electronic device such as a smart phone or a tablet computer.
Referring to fig. 1 to fig. 3, an electronic device 100 of the present embodiment includes a housing assembly 10, a flexible display 30, a driver 50, and a driving mechanism 70. The shell assembly 10 is a hollow structure; the components of the driver 50, the drive mechanism 70, and the camera 90 may all be disposed in the housing assembly 10. It is understood that the electronic device 100 according to the embodiment of the present disclosure includes, but is not limited to, a mobile terminal such as a mobile phone, a tablet, or other portable electronic devices, and the electronic device 100 is taken as an example of a mobile phone in this document.
In the present embodiment, the housing assembly 10 includes a first housing 12 and a second housing 14, and the first housing 12 and the second housing 14 are relatively movable. Specifically, in the present embodiment, the first housing 12 and the second housing 14 are slidably connected, that is, the second housing 14 is slidable with respect to the first housing 12.
Specifically, referring to fig. 4 and 5, the first casing 12 and the second casing 14 together form an accommodating space 16. The accommodating space 16 can be used for accommodating components such as the driver 50, the camera 90 and the driving mechanism 70. The housing assembly 10 may further include a rear cover 18, and the rear cover 18 and the first and second housings 12 and 14 together form an accommodating space 16.
The driving element 50 is disposed on the second housing 14, one end of the flexible display 30 is disposed on the first housing 12, the flexible display 30 bypasses the driving element 50, and the other end of the flexible display is disposed in the accommodating space 16, so that a part of the flexible display is hidden in the accommodating space 16, and a part of the flexible display 30 hidden in the accommodating space 16 may not be lighted. The first housing 12 and the second housing 14 are relatively far away from each other, and the driving member 50 can drive the flexible display 30 to unfold, so that more flexible display 30 is exposed out of the accommodating space 16. The flexible display screen 30 exposed outside the accommodating space 16 is lighted up, so that the display area presented by the electronic device 100 becomes large.
The driving member 50 may be a rotating shaft structure with teeth 52 on the outside, the flexible display 30 is linked with the driving member 50 by engaging, and when the first casing 12 and the second casing 14 are relatively far away from each other, the driving member 50 drives a portion of the flexible display 30 engaged with the driving member 50 to move and unfold.
It is understood that the driver 50 can also be a circular shaft without the belt 52, and when the first casing 12 and the second casing 14 are relatively far away from each other, the driver 50 can stretch the portion of the flexible display 30 wound on the driver 50, so that more flexible display is exposed out of the accommodating space 16 and is in a flat state. Specifically, the driving member 50 is rotatably disposed on the second housing 14, and the driving member 50 can rotate along with the movement of the flexible display 30 when the flexible display 30 is gradually opened. In other embodiments, the driver 50 may be fixed to the second housing 14, and the driver 50 may have a smooth surface. When the flexible display 30 is spread, the driver 50 is slidably contacted with the flexible display 30 through its smooth surface.
When the first housing 12 and the second housing 14 are relatively close to each other, the flexible display screen can be retracted by the driving member 50. Alternatively, the electronic device 100 further includes a reset member (not shown), one end of the flexible display screen, which is accommodated in the accommodating space 16, is linked with the reset member, and when the first shell 12 and the second shell 14 are relatively close to each other, the reset member drives the flexible display screen 30 to reset, so that a part of the flexible display screen is retracted into the accommodating space 16.
In this embodiment, the driving mechanism 70 may be disposed in the accommodating space 16, the driving mechanism 70 may be linked with the second housing 14, and the driving mechanism 70 is configured to drive the second housing 14 to move away from the first housing 12, so as to drive the flexible display panel assembly 30 to extend. It will be appreciated that the drive mechanism 70 may be omitted and the user may directly move the first and second housings relative to one another, manually, etc.
It should be noted that, the flexible display screen of the electronic device may be longitudinally extended (vertically extended) in addition to being laterally extended (laterally extended), and the extension direction of the flexible display screen is not limited in the embodiments of the present application. The electronic devices extending and retracting along different directions have similar telescopic structures, for example, longitudinal extension and retraction of the flexible display screen can be realized by changing the arrangement directions of hardware such as the first shell, the second shell, the driving piece and the driving mechanism, and the telescopic structures are not repeated herein.
Referring to fig. 6, fig. 6 is a schematic flowchart of an apparatus control method according to an embodiment of the present disclosure. The device control method may be applied to an electronic device, which may include a retractable display screen. The flow of the device control method may include:
in 101, when a screen unlocking instruction is received, a face image is acquired.
With the continuous development of the technology, the form of the electronic device is also changing. A development from a small screen to a large screen, a development from a display screen for simply displaying images and characters to a touch display screen that can receive a user touch operation, and the like. However, in the related art, the user still has not sufficient convenience in operating the electronic device. That is, the operability of the electronic device is not high.
It should be noted that, in this embodiment of the application, the electronic device may be configured with a retractable display screen, and the retractable display screen may be a flexible display screen, and the flexible display screen may increase an expanded size of the display screen by stretching, and may also decrease the expanded size of the display screen by shrinking, so as to provide a user with display screens of different sizes.
In the embodiment of the application, the electronic equipment supports the function of unlocking through face recognition, and the function is started in advance. When the electronic device in the screen locking state receives a screen unlocking instruction, for example, a user clicks a key such as an HOME key which can trigger an unlocking mechanism, the electronic device starts a camera according to the screen unlocking instruction, the user aims a face at the camera, and the electronic device acquires a face image through the camera for unlocking the screen. It should be noted that the electronic device may also receive the screen unlocking instruction through other manners, for example, the flexible display screen recognizes a preset gesture instruction, and the like.
In 102, whether the face image is matched with a preset face image is identified.
The user can be with presetting face image prestore into electronic equipment, and it is the face image of authorized unlocking screen to preset face image, and wherein, the user can correspond one or more and predetermine face image, for example when storing and predetermine face image, the user can rotate the head and accomplish about, etc. and predetermine face image according to electronic equipment's suggestion. The number of users corresponding to the face image authorized to unlock the screen can be one or more.
When the electronic equipment receives a screen unlocking instruction and acquires a face image through the camera, the electronic equipment identifies whether the face image is matched with a preset face image or not by comparing the face image with the preset face image.
The method includes the steps of identifying whether a face image is matched with a preset face image or not, wherein the specific identification mode is not limited, in one embodiment, the electronic equipment compares the matching degree of the face image with the preset face image, when the matching degree is larger than or equal to a preset matching degree threshold value, the face image is determined to be matched with the preset face image, and when the matching degree is smaller than the preset matching degree threshold value, the face image is determined not to be matched with the preset face image.
In 103, if the facial expression on the facial image is matched with the preset expression, whether the facial expression on the facial image is matched with the preset expression is identified.
And if the acquired face image is matched with the preset face image, the current user is the user authorized to unlock the screen, and the face expression on the face image is further recognized.
The user can preset expressions for controlling the telescopic display screen to stretch during unlocking, such as facial expressions like blinking eyes, opening the mouth, picking the eyebrows, smiling and the like.
The method includes the steps of identifying facial expressions on facial images, wherein the specific identification mode is not limited, in one implementation mode, an electronic device can obtain multiple frames of facial images, when the fact that the multiple frames of facial images have expression changes is identified, the expression changes of faces in the multiple frames of facial images are obtained, for example, the position changes of key points of the faces, such as eyes, eyebrows, mouths and the like, in the facial images are located and measured, the size, distance, shape, mutual proportion and other characteristics of the key points are determined, and the facial expressions corresponding to the expression changes are identified. In one embodiment, the facial expression can also be recognized based on a convolutional neural network deep learning method.
After the facial expression on the facial image is recognized, comparing whether the facial expression on the facial image is matched with a preset expression or not, in an embodiment, the preset expression may be an expression name defined by a user, for example, the preset expression is blinking, and if the recognized facial expression is blinking, the facial expression on the facial image is considered to be matched with the preset expression. It should be noted that, in order to avoid misidentification, the preset expression may be defined as blinking the eye 2 times or more than 2 times in succession.
In one embodiment, the preset expression is a facial image pre-stored by the user, for example, the preset expression is a facial image of a mouth opening pre-stored by the user, and if the facial expression on the facial image is recognized as a mouth opening, the recognized facial image is matched with the preset expression. It should be noted that the user may open his mouth during normal speaking, and in order to avoid misjudgment, the mouth opening degree of the preset expression needs to be increased to a certain degree, that is, the mouth opening degree of the preset expression needs to be greater than the mouth opening degree during normal speaking.
And if the acquired face image is not matched with the preset face image, the screen is not unlocked if the current user is not the user authorized to unlock the screen.
And 104, if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
And if the facial expression on the recognized facial image is matched with the preset expression, unlocking the screen, and adjusting the size of the expansion area of the telescopic display screen. The user may preset a corresponding relationship between a preset expression and a size of the display area of the retractable display screen, and in one embodiment, a mapping table between the preset expression and the size of the display area of the retractable display screen may be preset. Different preset expressions correspond to different display screen expansion area sizes. For example, the preset expression is blinking, and the size of the corresponding expansion area is 70% of the total display area of the display screen. The preset expression is smile, and the size of the corresponding expansion area is 80% of the whole display area of the display screen. The preset expression is mouth opening, and the corresponding display screen is completely unfolded.
In one embodiment, if the facial expression on the recognized facial image is not matched with the preset expression, the screen is unlocked, and the size of the expansion area of the telescopic display screen is kept unchanged.
In the embodiment of the application, when a screen unlocking instruction is received, the electronic equipment can acquire a face image and recognize whether the face image is matched with a preset face image or not, if so, the face image is recognized whether the face expression on the face image is matched with a preset expression or not, if so, the size of the telescopic display screen unfolding area is adjusted according to the preset corresponding relation between the preset expression and the size of the telescopic display screen unfolding area, and the screen is unlocked. According to the embodiment of the application, manual operation of a user is not needed, the electronic equipment can be unlocked through face recognition, the size of the telescopic display screen unfolding area can be flexibly adjusted through the face expression during unlocking, and the operability of the electronic equipment is improved.
Referring to fig. 7, fig. 7 is another schematic flow chart of an apparatus control method according to an embodiment of the present application, where the flow chart may include:
in 201, when a screen unlocking instruction is received, a face image is acquired.
In the embodiment of the application, the electronic equipment supports the function of unlocking through face recognition, and the function is started in advance. When the electronic device in the screen locking state receives a screen unlocking instruction, for example, a user clicks a key such as an HOME key which can trigger an unlocking mechanism, the electronic device starts a camera according to the screen unlocking instruction, the user aims a face at the camera, and the electronic device acquires a face image through the camera for unlocking the screen. It should be noted that the electronic device may also receive the screen unlocking instruction through other manners, for example, the flexible display screen recognizes a preset gesture instruction, and the like.
In one embodiment, when the electronic device obtains a face image, whether the face image is completely displayed on the telescopic display screen is detected, if not, prompt information is displayed, and the prompt information is used for prompting to change the relative position of the electronic device and the face, so that the face image is completely displayed on the telescopic display screen.
In an embodiment, a Multi-task convolutional neural network (MTCNN) of a deep learning model may be selected to perform face detection, and the face image is processed by the MTCNN to obtain face contour information. The face contour information comprises face key point information, and the face key points comprise eye key points, eyebrow key points, nose key points, lip key points, ear key points, cheekbone key points, mandible key points and the like. When the face outline is completely displayed on the telescopic display screen, namely, the face key points are completely displayed on the telescopic display screen, the face image is determined to be completely displayed on the telescopic display screen, and if the face key points are not completely displayed on the telescopic display screen, the face image is determined not to be completely displayed on the telescopic display screen.
When the face image is not completely displayed on the telescopic display screen, prompt information is displayed, such as: changing the relative positions of the electronic equipment and the face to enable the face image to be completely displayed on the telescopic display screen; or show some interesting expressions, such as: a round face of a child or a fat pig, or some text information, such as: the owner, your nearest food will be too good, etc. If the face image is completely displayed on the telescopic display screen, other interesting expressions can be displayed. Such as: a caricature type handsome boy or beautiful girl, etc., or some text information such as: to excellent and self-discipline you, etc. Through detecting whether the face image is completely displayed on the telescopic display screen or not and displaying corresponding information, the interaction between the electronic equipment and a user is increased, and the interestingness of the electronic equipment is improved.
In 202, it is identified whether the face image matches a preset face image.
The user can pre-store the preset face image into the electronic equipment, and the preset face image is the face image of the authorized unlocking screen. The user can correspond to one or more preset face images, for example, when the preset face images are stored, the user can rotate the head to complete the up-down, left-right and middle-level preset face images according to the prompt of the electronic equipment. The number of users corresponding to the face image authorized to unlock the screen can be one or more.
When the electronic equipment receives a screen unlocking instruction and acquires a face image through the camera, the electronic equipment identifies whether the face image is matched with a preset face image or not by comparing the face image with the preset face image.
The method includes the steps of identifying whether a face image is matched with a preset face image or not, wherein the specific identification mode is not limited, in one embodiment, the electronic equipment compares the matching degree of the face image with the preset face image, when the matching degree is larger than or equal to a preset matching degree threshold value, the face image is determined to be matched with the preset face image, and when the matching degree is smaller than the preset matching degree threshold value, the face image is determined not to be matched with the preset face image.
In 203, if the face image is matched with a preset face image, identifying whether the telescopic display screen is completely unfolded;
if the acquired face image is matched with the preset face image, the current user is the user authorized to unlock the screen, and whether the telescopic display screen is completely unfolded or not is further identified. The full expansion of the retractable display screen is understood to mean that the expansion area of the retractable display screen is expanded to the maximum and is the maximum display area that the electronic device can provide to the user.
At 204, if the retractable display screen is fully deployed, unlocking the screen and maintaining the current size of the deployed area of the retractable display screen.
When the retractable display screen is fully expanded, the electronic equipment provides the largest display area for a user, the largest content can be displayed, the visual field is the widest, and the user is accustomed to fully expanding the retractable display screen to obtain better experience when the user uses the retractable display screen in daily life, such as watching videos, playing games or looking up webpages. Thus, when the retractable display screen has been fully deployed, it is possible to unlock only the screen while maintaining the size of the current retractable display screen deployment area.
In 205, if the retractable display screen is not fully expanded, it is identified whether the facial expression on the facial image matches a preset expression.
And if the telescopic display screen is not completely unfolded, further identifying the facial expression on the facial image for judging whether the user needs to carry out telescopic control on the display screen.
The method includes the steps of identifying facial expressions on facial images, wherein the specific identification mode is not limited, in one implementation mode, obtaining multiple frames of facial images, obtaining expression changes of faces in the multiple frames of facial images when the multiple frames of facial images are identified to have expression changes, locating and measuring position changes of key points of the faces, such as eyes, eyebrows, mouths and the like, in the facial images, determining the size, distance, shape, mutual proportion and other characteristics of the key points, and identifying the facial expressions corresponding to the expression changes. In one embodiment, the facial expression can also be recognized based on a convolutional neural network deep learning method.
The user can preset expressions for controlling the telescopic display screen to stretch during unlocking, such as facial expressions like blinking eyes, opening the mouth, picking the eyebrows, smiling and the like.
In one embodiment, after the facial expression on the facial image is recognized, comparing whether the facial expression on the facial image is matched with a preset expression or not, where the preset expression may be a user-defined expression name, for example, the preset expression is blinking, and if the recognized facial expression is blinking, determining that the facial expression on the facial image is matched with the preset expression.
In an embodiment, the preset expression is a face image prestored by a user, for example, the preset expression is a face image with a mouth opening prestored by the user, and if the face expression on the face image is recognized as the mouth opening, the recognized face image is matched with the preset expression, it can be understood that the user also opens the mouth during normal speaking, in order to avoid misjudgment, the mouth opening of the preset expression needs to be opened to a certain degree, that is, the degree of the mouth opening of the preset expression needs to be greater than the degree of the mouth opening during normal speaking.
In 206, if the facial expression on the facial image matches a preset expression, the size of the expansion area of the retractable display screen is adjusted according to a preset correspondence between the preset expression and the size of the expansion area of the retractable display screen, and the screen is unlocked.
And if the facial expression on the recognized facial image is matched with the preset expression, unlocking the screen, and adjusting the size of the expansion area of the telescopic display screen. In one embodiment, when the facial expression is the first preset expression, the screen is unlocked and the telescopic display screen is extended, so that the size of the extension area of the telescopic display screen is increased; and when the facial expression is a second preset expression, unlocking the screen and contracting the telescopic display screen so as to reduce the size of an expansion area of the telescopic display screen. For example, the user may preset a first preset expression as a mouth opening, and when the electronic device recognizes that the facial expression is also a mouth opening, the screen is unlocked and the retractable display screen is extended, for example, the retractable display screen is extended so that the retractable display screen is fully expanded. For another example, the second preset expression may be preset as blinking, and when it is recognized that the facial expression is also blinking, the screen is unlocked and the retractable display screen is retracted so that the size of the retractable display screen is retracted to 70% of the size of the current expansion area. It should be noted that the first preset expression and the second preset expression may be preset by the user according to habits of the user, and are not limited herein. When the facial expression is the first preset expression, the telescopic display screen is extended, and a user can customize how much the size of the expansion area is specifically increased, for example, the expansion area is increased by 20% or 30% on the basis of the size of the expansion area of the current display screen or the telescopic display screen is completely expanded. When the facial expression is the second preset expression, the retractable display screen is retracted, and a user can customize how much the size of the expanded area is specifically retracted, for example, the size of the expanded area of the current display screen is retracted by 10%, 20%, 30% and the like.
In one embodiment, a mapping table of preset expressions and the size of the display screen expansion area is preset. Different preset expressions correspond to different display screen expansion area sizes. When the facial expression is a first preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a first preset size; and when the facial expression is a second preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a second preset size, wherein the second preset size is not equal to the first preset size. For example, the first preset expression is smile, and the size of the corresponding expansion area is 70% of the total display area of the display screen. The second preset expression is the eyebrow picking, and the corresponding display screen is completely unfolded. It should be noted that the first preset expression and the second preset expression may be preset according to a use habit, and the specific size of the first preset size and the second preset size may also be customized according to a use requirement, which is not limited herein.
It should be noted that, in an embodiment, if the face image is matched with a preset face image and the retractable display screen is recognized to be fully unfolded, the user may also preset another preset expression, and if the face expression on the face image is recognized to be matched with another preset expression, the retractable display screen is retracted to reduce the size of the unfolded area.
In 207, if the facial expression on the facial image is not matched with the preset expression, the screen is unlocked and the size of the expansion area of the current telescopic display screen is maintained.
And if the facial expression on the facial image is identified to be not matched with the preset expression, only unlocking the screen, and keeping the size of the expansion area of the telescopic display screen unchanged.
In the embodiment, the electronic equipment can be unlocked through face recognition without manual operation of a user, and whether the face image is completely displayed on the telescopic display screen or not can be detected during face recognition, corresponding interesting information is displayed, interaction between the electronic equipment and the user is increased, and interestingness of the electronic equipment is improved. And the size of the expansion area of the telescopic display screen can be flexibly adjusted through the facial expression during unlocking, so that the use by a user is facilitated, and the operability of the electronic equipment is improved.
Referring to fig. 8 to 9, fig. 8 is a schematic view of a scenario of an apparatus control method according to an embodiment of the present application, and fig. 9 is a schematic view of another scenario of the apparatus control method according to the embodiment of the present application. The electronic equipment provided by the embodiment comprises the telescopic display screen. The retractable display screen may be a display screen that is retractable. The retractable display screen may be a flexible display screen that may be extended and retracted, etc. On the electronic equipment provided with the telescopic display screen, the expansion size of the display screen can be increased by stretching the display screen, and the expansion size of the display screen can be reduced by contracting the display screen. As shown in fig. 8, fig. 8 shows the configuration of the display screen of the electronic device when the retractable display screen is in the retracted state, and the configuration of the display screen of the electronic device when the retractable display screen is in the extended state.
The electronic equipment supports the function of unlocking through face recognition, and the function is started in advance. When the electronic device in the screen locking state receives a screen unlocking instruction, for example, a user clicks a key such as an HOME key which can trigger an unlocking mechanism, the electronic device starts a camera according to the unlocking instruction, the user aims at a face of a person to the camera, and the electronic device acquires a face image through the camera.
After the electronic equipment acquires the face image, identifying whether the face image is matched with a preset face image. The user can pre-store the preset face image into the electronic equipment, and the preset face image is the face image of the authorized unlocking screen. If the recognized face image is matched with the preset face image, the current user is the user authorized to unlock the screen, and if the recognized face image is not matched with the preset face image, the current user is the user not authorized to unlock the screen.
If the acquired face image is matched with the preset face image, whether the telescopic display screen is completely unfolded or not is further identified, when the telescopic display screen is completely unfolded, the electronic equipment provides the largest display area for a user, the largest content can be displayed, the visual field is the widest, and when the user uses the electronic equipment in daily life, such as watching videos, playing games or looking up webpages, the user is accustomed to completely unfolding the telescopic display screen to obtain better experience. The user has contracted the retractable display screen in some scenarios, such as for convenience in carrying the electronic device. When a user unlocks the electronic equipment to normally use the electronic equipment, the user generally wants the telescopic display screen to be completely unfolded, so that the user can better watch videos, look up webpages and the like.
And if the telescopic display screen is not completely unfolded, further identifying the facial expression on the facial image for judging whether the user needs to carry out telescopic control on the display screen. In an implementation manner, the electronic device may obtain multiple frames of face images, and when it is recognized that the multiple frames of face images have expression changes, obtain the expression changes of the face in the multiple frames of face images, for example, position changes of key points of the face, such as eyes, eyebrows, and mouth, are located and measured, determine features of the key points, such as size, distance, shape, and mutual proportion, of the face, and recognize a face expression corresponding to the expression changes.
The user can preset expressions for controlling the telescopic display screen to stretch during unlocking, such as facial expressions like blinking eyes, opening the mouth, picking the eyebrows, smiling and the like.
And if the facial expression on the recognized facial image is matched with the preset expression, unlocking the screen, and adjusting the size of the expansion area of the telescopic display screen. The method comprises the steps that a user can preset a corresponding relation between a preset expression and the size of an expansion area of a telescopic display screen, and when the facial expression is a first preset expression, a screen is unlocked and the telescopic display screen is expanded so as to increase the size of the expansion area of the telescopic display screen; and when the facial expression is a second preset expression, unlocking the screen and contracting the telescopic display screen so as to reduce the size of an expansion area of the telescopic display screen. For example, the user may preset the first preset expression as blinking, and when the electronic device recognizes that the facial expression is also blinking, unlock the screen and extend the retractable display screen, for example, extend the retractable display screen so that the retractable display screen is fully extended. For another example, the second preset expression may be preset as a smile, and when the facial expression is also recognized as the smile, the screen is unlocked and the retractable display screen is retracted so that the size of the retractable display screen is retracted to 70% of the size of the current expansion area. It should be noted that the first preset expression and the second preset expression may be preset by the user according to habits of the user, and are not limited herein. When the facial expression is the first preset expression, the retractable display screen is extended, and a user can customize how much the size of the expansion area is specifically increased, for example, the size of the expansion area of the current display screen is increased by 20% or 30% or the retractable display screen is extended to fully expand the retractable display screen, and the like. And when the facial expression is the second preset expression, the retractable display screen is retracted, and the user can customize how much the size of the expanded area is specifically retracted, for example, the size of the expanded area of the current display screen is retracted by 10%, 20%, 30% and the like.
In one embodiment, a mapping table of preset expressions and the size of the display screen expansion area is preset. Different preset expressions correspond to different display screen expansion area sizes. When the facial expression is a first preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a first preset size; and when the facial expression is a second preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a second preset size, wherein the second preset size is not equal to the first preset size. For example, the first preset expression is smile, and the size of the corresponding expansion area is 70% of the total display area of the display screen. The second preset expression is the eyebrow picking, and the corresponding display screen is completely unfolded.
And if the facial expression on the facial image is identified to be not matched with the preset expression, only unlocking the screen, and keeping the size of the expansion area of the telescopic display screen unchanged.
In the embodiment, the electronic equipment can be unlocked through face recognition without manual operation of a user, and the size of the telescopic display screen expansion area can be flexibly adjusted through the face expression during unlocking, so that the electronic equipment is convenient for the user to use, and the operability of the electronic equipment is improved.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an apparatus control device according to an embodiment of the present application. The device control apparatus can be applied to an electronic device including a retractable touch display screen. The device control apparatus 300 may include: the system comprises an acquisition module 301, a first identification module 302, a second identification module 303 and a processing module 304.
The obtaining module 301 is configured to: when a screen unlocking instruction is received, a face image is obtained;
the first identification module 302 is configured to: identifying whether the face image is matched with a preset face image;
the second identification module 303 is configured to: if so, identifying whether the facial expression on the facial image is matched with a preset expression;
the processing module 304 is configured to: if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
In one embodiment, the processing module 304 may be configured to:
and if not, unlocking the screen and keeping the size of the expansion area of the current telescopic display screen.
In one embodiment, the second identification module 303 may be configured to:
if so, identifying whether the telescopic display screen is completely unfolded;
if so, unlocking the screen and keeping the size of the expansion area of the current telescopic display screen;
and if not, identifying whether the facial expression on the facial image is matched with a preset expression.
In an embodiment, the preset expressions include a first preset expression and a second preset expression, and the processing module 304 may be configured to:
when the facial expression is a first preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a first preset size;
and when the facial expression is a second preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a second preset size, wherein the second preset size is not equal to the first preset size.
In an embodiment, the preset expressions include a first preset expression and a second preset expression, and the processing module 304 may be configured to:
when the facial expression is a first preset expression, unlocking the screen and stretching the telescopic display screen to increase the size of an expansion area of the telescopic display screen;
and when the facial expression is a second preset expression, unlocking the screen and contracting the telescopic display screen to reduce the size of an expansion area of the telescopic display screen.
In one embodiment, the obtaining module 301 may be configured to:
acquiring a plurality of frames of face images;
the second identification module 303 may be configured to:
identifying a facial expression on a face image, wherein the identifying the facial expression on the face image comprises: and when the multi-frame face images are identified to have expression changes, acquiring the expression changes of the faces in the multi-frame face images, and identifying the face expressions corresponding to the expression changes.
In one embodiment, the obtaining module 301 may be configured to:
detecting whether the face image is completely displayed on the telescopic display screen;
if not, displaying prompt information, wherein the prompt information is used for prompting to change the relative position of the electronic equipment and the face, so that the face image is completely displayed on the telescopic display screen.
The application embodiment provides a computer-readable storage medium on which a computer program is stored, which, when executed on a computer, causes the computer to execute the flow in the device control method provided in this embodiment.
The embodiment of the present application further provides an electronic device, which includes a memory and a processor, where the processor is configured to execute the flow in the device control method provided in this embodiment by calling the computer program stored in the memory.
For example, the electronic device may be a mobile terminal such as a tablet computer or a smart phone. Referring to fig. 11, fig. 11 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.
The electronic device 400 may include a touch screen 401, a memory 402, a processor 403, a camera module 404, and the like. Those skilled in the art will appreciate that the electronic device configuration shown in fig. 6 does not constitute a limitation of the electronic device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The touch display 401 may be a retractable display. The retractable display screen may be a retractable touch display screen. The retractable touch display may be a flexible display that may be bent, retracted, extended, etc. On an electronic device configured with a retractable touch display screen, the expansion size of the screen can be increased by extending the display screen, and the expansion size of the screen can be reduced by retracting the display screen.
The memory 402 may be used to store applications and data. The memory 402 stores applications containing executable code. The application programs may constitute various functional modules. The processor 403 executes various functional applications and data processing by running an application program stored in the memory 402.
The processor 403 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, and performs various functions of the electronic device and processes data by running or executing an application program stored in the memory 402 and calling data stored in the memory 402, thereby performing overall monitoring of the electronic device.
The camera module 404 is used for video camera shooting and image acquisition, and processes images by a photosensitive component circuit and a control component in the camera after acquiring the images by means of a lens, and then restores the images by means of software, so that the images can be seen through a display screen.
In this embodiment, the processor 403 in the electronic device loads the executable code corresponding to the processes of one or more application programs into the memory 402 according to the following instructions, and the processor 403 runs the application programs stored in the memory 402, so as to execute:
when a screen unlocking instruction is received, a face image is obtained;
identifying whether the face image is matched with a preset face image;
if so, identifying whether the facial expression on the facial image is matched with a preset expression;
if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
Referring to fig. 12, the electronic device 400 may include a touch display 401, a memory 402, a processor 403, a camera module 404, a battery 405, a microphone 406, a speaker 407, and other components.
The touch display 401 may be a retractable touch display. The retractable touch display screen may be a retractable touch display screen. The retractable touch display may be a flexible display that may be bent, retracted, extended, etc. On an electronic device configured with a retractable touch display screen, the expansion size of the display screen can be increased by stretching the screen, and the expansion size of the screen can be reduced by retracting the display screen.
The memory 402 may be used to store applications and data. The memory 402 stores applications containing executable code. The application programs may constitute various functional modules. The processor 403 executes various functional applications and data processing by running an application program stored in the memory 402.
The processor 403 is a control center of the electronic device, connects various parts of the whole electronic device by using various interfaces and lines, and performs various functions of the electronic device and processes data by running or executing an application program stored in the memory 402 and calling data stored in the memory 402, thereby performing overall monitoring of the electronic device.
The camera module 404 is used for video camera shooting and image acquisition, and processes images by a photosensitive component circuit and a control component in the camera after acquiring the images by means of a lens, and then restores the images by means of software, so that the images can be seen through a display screen.
The battery 405 may be used to supply power to various modules and components of the electronic device.
Microphone 406 may be used to pick up acoustic signals in the surrounding environment, such as to receive voice commands from a user, etc.
The speaker 407 may be used to play sound signals.
In this embodiment, the processor 403 in the electronic device loads the executable code corresponding to the processes of one or more application programs into the memory 402 according to the following instructions, and the processor 403 runs the application programs stored in the memory 402, so as to execute:
when a screen unlocking instruction is received, a face image is obtained;
identifying whether the face image is matched with a preset face image;
if so, identifying whether the facial expression on the facial image is matched with a preset expression;
if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
In one embodiment, after recognizing whether the facial expression on the facial image matches a preset expression, the processor 403 unlocks the screen and maintains the size of the expansion area of the current retractable display screen if the facial expression on the facial image does not match the preset expression.
In one embodiment, in the step of identifying whether the facial expression on the facial image matches a preset expression if the facial expression matches the preset expression, the processor 403 executes the step of identifying whether the retractable display screen is fully unfolded if the facial expression matches the preset expression;
if so, unlocking the screen and keeping the size of the expansion area of the current telescopic display screen;
and if not, identifying whether the facial expression on the facial image is matched with a preset expression.
In one embodiment, the preset expressions include a first preset expression and a second preset expression, and in adjusting the size of the expansion area of the retractable display screen and unlocking the screen according to the corresponding relationship between the preset expressions and the size of the expansion area of the retractable display screen, the processor 403 unlocks the screen and expands the retractable display screen to increase the size of the expansion area of the retractable display screen when the facial expression is the first preset expression;
and when the facial expression is a second preset expression, unlocking the screen and contracting the telescopic display screen to reduce the size of an expansion area of the telescopic display screen.
In one embodiment, in acquiring the face image, the processor 403 executes acquiring a plurality of frames of face images;
before recognizing whether the facial expression on the face image matches with a preset expression, the processor 403 executes recognition of the facial expression on the face image, where the recognition of the facial expression on the face image includes: when the multi-frame face images are recognized to have expression changes, the expression changes of the faces in the multi-frame face images are obtained, and the face expressions corresponding to the expression changes are recognized
In one embodiment, after acquiring the face image, processor 403 performs detecting whether the face image is completely displayed on the retractable display screen;
if not, displaying prompt information, wherein the prompt information is used for prompting to change the relative position of the electronic equipment and the face, so that the face image is completely displayed on the telescopic display screen.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed description of the device control method, and are not described herein again.
The device control apparatus provided in the embodiment of the present application and the device control method in the above embodiments belong to the same concept, and any method provided in the device control method embodiment may be run on the device control apparatus, and a specific implementation process thereof is described in the device control method embodiment in detail, and is not described herein again.
It should be noted that, for the apparatus control method described in the embodiment of the present application, it can be understood by those skilled in the art that all or part of the process of implementing the apparatus control method described in the embodiment of the present application can be completed by controlling the relevant hardware through a computer program, where the computer program can be stored in a computer-readable storage medium, such as a memory, and executed by at least one processor, and during the execution, the process of the embodiment of the apparatus control method can be included. The storage medium may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like.
In the device control apparatus according to the embodiment of the present application, each functional module may be integrated into one processing chip, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, or the like.
The above detailed descriptions of the device control method, apparatus, storage medium, and electronic device provided in the embodiments of the present application, and the specific examples applied herein are set forth to explain the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understand the method and core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. A device control method is applied to an electronic device, and is characterized in that the electronic device comprises a telescopic display screen, and the method comprises the following steps:
when a screen unlocking instruction is received, a face image is obtained;
identifying whether the face image is matched with a preset face image;
if so, identifying whether the facial expression on the facial image is matched with a preset expression;
if so, adjusting the size of the expansion area of the telescopic display screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen, and unlocking the screen.
2. The method of claim 1, wherein after identifying whether the facial expression on the facial image matches a preset expression, the method further comprises:
and if not, unlocking the screen and keeping the size of the expansion area of the current telescopic display screen.
3. The method of claim 1, wherein if the facial expression matches the predetermined expression, identifying whether the facial expression in the facial image matches the predetermined expression, further comprising:
if so, identifying whether the telescopic display screen is completely unfolded;
if so, unlocking the screen and keeping the size of the expansion area of the current telescopic display screen;
and if not, identifying whether the facial expression on the facial image is matched with a preset expression.
4. The method of claim 1, wherein the preset expressions comprise a first preset expression and a second preset expression, and the adjusting the size of the display screen expansion area according to the corresponding relationship between the preset expressions and the size of the display screen expansion area and unlocking the screen comprises:
when the facial expression is a first preset expression, unlocking the screen and stretching the telescopic display screen to increase the size of an expansion area of the telescopic display screen;
and when the facial expression is a second preset expression, unlocking the screen and contracting the telescopic display screen to reduce the size of an expansion area of the telescopic display screen.
5. The method of claim 1, wherein the preset expressions comprise a first preset expression and a second preset expression, and the adjusting the size of the display screen expansion area according to the corresponding relationship between the preset expressions and the size of the display screen expansion area and unlocking the screen comprises:
when the facial expression is a first preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a first preset size;
and when the facial expression is a second preset expression, unlocking the screen and controlling the expansion area of the telescopic display screen to be a second preset size, wherein the second preset size is not equal to the first preset size.
6. The method of claim 1, wherein the obtaining the face image comprises:
acquiring a plurality of frames of face images;
before identifying whether the facial expression on the facial image is matched with a preset expression, the method further comprises the following steps:
identifying a facial expression on a face image, wherein the identifying the facial expression on the face image comprises: and when the multi-frame face images are identified to have expression changes, acquiring the expression changes of the faces in the multi-frame face images, and identifying the face expressions corresponding to the expression changes.
7. The method of claim 1, wherein after the obtaining the face image, further comprising:
detecting whether the face image is completely displayed on the telescopic display screen;
if not, displaying prompt information, wherein the prompt information is used for prompting to change the relative position of the electronic equipment and the face, so that the face image is completely displayed on the telescopic display screen.
8. An apparatus control device applied to an electronic device, wherein the electronic device comprises a retractable display screen, the apparatus comprising:
the acquisition module is used for acquiring a face image when a screen unlocking instruction is received;
the first recognition module is used for recognizing whether the face image is matched with a preset face image or not;
the second identification module is used for identifying whether the facial expression on the facial image is matched with a preset expression or not if the facial expression is matched with the preset expression;
and the processing module is used for adjusting the size of the expansion area of the telescopic display screen and unlocking the screen according to the preset corresponding relation between the preset expression and the size of the expansion area of the telescopic display screen if the preset expression corresponds to the size of the expansion area of the telescopic display screen.
9. A storage medium having stored thereon a computer program, the computer program, when executed on a computer, causing the computer to perform the method of any one of claims 1 to 7.
10. An electronic device comprising a memory, a processor, wherein the processor is configured to perform the method of any one of claims 1 to 7 by invoking a computer program stored in the memory.
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