CN104115485B - Electronic apparatus with display state control - Google Patents
Electronic apparatus with display state control Download PDFInfo
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- CN104115485B CN104115485B CN201380002651.8A CN201380002651A CN104115485B CN 104115485 B CN104115485 B CN 104115485B CN 201380002651 A CN201380002651 A CN 201380002651A CN 104115485 B CN104115485 B CN 104115485B
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- closed state
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3231—Monitoring the presence, absence or movement of users
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Telephone Function (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
A kind of electronic apparatus for the automatic control being able to carry out display screen state.The electronic apparatus includes: processor, and the processor is used to control the operation of the electronic apparatus；Preposition display screen, the preposition display screen are coupled to the processor and are arranged on the front side of the electronic apparatus, and the preposition display screen has open state and closed state；Motion sensor, the motion sensor are coupled to the processor, and the motion sensor is used to detect the movement of the electronic apparatus；Front camera, the front camera is arranged on the front side of described device, the front camera is coupled to the processor and for capturing image, the processor controls the open state and closed state of the display screen for the motion detection based on the motion sensor and the one or more image captured based on the front camera, and the processor is used to analyze the one or more image whether appear in the one or more image with the face for determining user.
Description
Technical field
The present invention relates to a kind of electronic apparatus, described device includes the control of display state.
Background technique
Smart phone becomes to become more and more popular on the consumer market.For many years, promotion of the battery in terms of capacity density
Very limited, in this case, in order to support various applications and game, the power consumption of device becomes to influence the non-of user experience
Often important factor.For example, most of smart phones currently on the market need, daily or every two days charge.In order to overcome power consumption
These problems of aspect, in terms of the hardware component of selection more power-efficient high, for example, certain inductors etc., and design is more
In terms of the hardware architecture of power-efficient high, such as Power Management Unit (PMU) etc., a large amount of effort have been made, thus to hardware
Each section of system provides more effective power supply and provides the power supply intelligently switched on or off to each device.Meanwhile also gradually
Make great efforts the energy-saving mode in software view design different level, for example, having developed the difference setting for sleep pattern.This
Outside, many mobile devices have locking mode.The locking mode can be used for preventing touch screen from being operated unintentionally, for example, when should
When device is in user's pocket or wallet or when another object is placed against the device.The locking mode can be used for
Prevent without approval personnel use the device.In general, the device is programmed to when user presses specific button or a series of buttons
Or enter locking mode after the device idle specific a period of time.When user needs the device using locking,
The user usually requires dragging slider bar, presses specific button or a series of buttons (for example, input password) to carry out to the device
Unlock.However, user may find that these steps are inconvenient and time-consuming.For example, when device detects that it is idle
When specific a period of time, the device reading file may be used in user.In this case, the device will automatically into
Enter locking mode, it will close display screen or keeps display screen dimmed, and user could continue after needing to be unlocked device
Reading file.In another example, user may be easy password needed for forgetting device unlock.Therefore, user may determine
It is fixed to be configured that so that it will not lock automatically to the device.If she forgets to lock her device or selection non-manually later
Locking device, then the device can be made to be susceptible to unintentionally to operate or the influence used without permission.In addition, closing screen
Delay time before is usually necessary, because user is usually idle by mobile device, for example, in idle state
It is in the case where being determined by motion sensor.Since screen is one of the component of most power consumption, especially with high-resolution
Large screen current smart phone in, therefore in the power consumption of mobile device, the opening time (on-time) of screen becomes
It is more and more important.Therefore, it is necessary to minimize the power consumption of mobile device screen.
Summary of the invention
In this background, an object of the invention is to provide a kind of electronic apparatus, and the screen of the device has
Reduced power consumption.The target is realized by providing such a electronic apparatus, and the electronic apparatus includes:
Processor, the processor are used to control the operation of the electronic apparatus；Preposition display screen, the preposition display screen coupling
To the processor and it is arranged in the front side of the electronic apparatus, the preposition display screen has open state and closing
State；Motion sensor, the motion sensor are coupled to the processor, and the motion sensor is for detecting the movement
The movement of electronic device；Front camera, the front camera are arranged in the front side of described device, the front camera coupling
Close the processor and for capturing image, the processor for based on the motion sensor motion detection and
The one or more image captured based on the front camera controls the open state and closed state of the display screen,
The processor is used to analyze the one or more image whether appear in the one or more with the face for determining user
In image.
Have now found that many electronic apparatus are wasted when user is absent from the scene in the concerned power for being transported to display screen
Valuable battery capacity, and have found whether active detecting user on the scene and be good, it can be by analysis from preposition
The image of camera detects whether user is on the scene, to control the open state and closed state of preposition display, Ke Yitong
It crosses and the processor of mobile device is configured and based on motion detection and based on one captured to the front camera
The analysis of width or multiple image controls the open state and closed state of the display screen.
Preferably, the processor is used for when the face for detecting user appears in the one or more image,
Preposition display screen is set to be in the open state, and when the face that user is not detected in the one or more image goes out
Now, it is in close state the preposition display screen.
Therefore, known in it and current mobile device to dim mode there is significant differences.When user is on the scene, processing
Device for making preposition display screen be in the open state, and when the appearance of user is not detected in the picture, use by processor
In being in close state preposition display screen, the screen under being in close state when the user is not present in this way will not consume electricity
Power.
Preferably, the processor is used to analyze the one or more using a kind of edge-detected image Processing Algorithm
Picture.
The processor is used for a kind of high-pass filter image processing algorithm to analyze the one or more
Picture.
Preferably, the processor is for analyzing whether face appears in the one or more picture.
In one embodiment of the present invention, the processor is used for using face recognition image processing algorithm to analyze
State one or more picture.
The processor analyzes described one in the case where can be used at a distance from object with camera in less than 0.5 meter
Width or several pictures.
The control of the closed state of the preposition display screen can be carried out based on the continuous captured image of at least two width.
The control of the open state of the preposition display screen can be carried out based on the continuous captured image of at least two width.
It, can be by being based at least two since the image procossing carried out based on each algorithm can not be always completely convergent
The continuous image of width is controlled to avoid individually mistranslating in image, for example, based on a width by the image of error analysis, from
And improve the redundancy of control.
The control of the closed state of the preposition display screen includes closed state delay time, in this way when the preposition display
When shielding the appearance of face that is in the open state and no longer detecting user, the closed state of the preposition display screen is just being closed
It is activated after the state delay time.
It, can be by open state since the image procossing carried out based on each algorithm can not be always completely convergent
And/or delay time is introduced in the control of closed state, so that for example when the face for no longer detecting user in open state
Appearance when, the closed state of the preposition display screen is activated after delay time and vice versa, so as to improve control
The redundancy of system.In order to avoid the flickering (flickering) between open state and closed state, delay time may insure to show
Show that the state of device only changes when needed.
The camera can be low resolution camera.
The camera can be low-power consumption camera.
The camera can be inexpensive camera.
In one embodiment of the present invention, the mobile device further includes additional high-resolution camera, the volume
Outer high-resolution camera is used to capture high-resolution camera image in addition to determining whether the face of user occurs
Other purposes other than in the one or more image, and wherein the front camera is used to determine that the face of user to be
It is no to appear in the one or more image.
In one embodiment of the present invention, the processor is configured to include for controlling the display camera
The trigger (toggle) of open state and closed state, the open state of the display described in this way and the control of closed state can
With disabled, to enable always on state when for example playing film.
In order to adapt to the concrete condition of user, display control according to the present invention can be triggered and open or close.
It is another object of the present invention to provide a kind of for the preposition aobvious of the electronic apparatus with front camera
The method that the open state and closed state of display screen carry out automatically controlling, the described method comprises the following steps:
A) one or more image is captured using the front camera,
B) it analyzes the one or more image and whether the one or more image is appeared in the face for determining user
In, and
C) it is controlled based on the open state and closed state of the step b to the preposition display screen, so that working as
When detecting the appearance of user in the one or more image, the preposition display screen of electronic apparatus is made to be in opening state
State, and when the appearance of user is not detected in the one or more image, make the preposition display screen of electronic apparatus
It is in close state.
It is another object of the present invention to provide a kind of for the mobile electron with front camera and motion sensor
The method that the open state and closed state of the preposition display screen of device carry out automatically controlling, the described method comprises the following steps:
The movement of described device is detected when the preposition display screen of electronic apparatus is in the closed state,
In response to the detection of the movement to described device, one or more image is captured using the front camera,
Determine that described device has been moved on to using position, wherein the use by analyzing the one or more image
Position instruction, which goes out user, may wish to using described device,
In response to determining that it is described using position that described device is located at, the preposition display screen of electronic apparatus is controlled
System is to be at the open state.
The method can be with the following steps are included: analyzing the one or more image, the analysis includes that edge is examined
The use of altimetric image Processing Algorithm.
The method can be with the following steps are included: analyzing the one or more image, the analysis includes that face is known
The use of other image processing algorithm.
The method can be with the following steps are included: analyzing the one or more image, the analysis includes that face is known
The use of other image processing algorithm.
The method can be the following steps are included: user enters in 0.5 meter of the radius region centered on camera.
The method can be the following steps are included: based on the continuous captured image of at least two width come to the preposition display
The open state and closed state of screen are controlled.
The method can be the following steps are included: control the closed state of the preposition display screen, the control
System includes closed state delay time, in this way when the preposition display screen is in the open state and no longer detects the face of user
When the appearance in portion, just delay time is activated the closed state of the preposition display screen later in off position.
The method can be described with the following steps are included: obtain low-resolution image using high-resolution camera
High-resolution camera is used to capture low-resolution image whether appear in one or more image with the face for determining user
And for capture high-definition picture in addition to determine user face whether appear in one or more image with
Outer other purposes.
The method also may comprise steps of: the open state of the triggering display camera and the control of closed state
System, the open state of the display described in this way and the control of closed state can be disabled, to open when for example playing film
With always on state.
By detailed description, electronic apparatus according to the present invention, method and other targets of software product, spy
Sign, advantage and characteristic will be evident.
Detailed description of the invention
In the part described below of this specification, it will come in further detail referring to exemplary embodiment shown in the drawings
Explain the present invention, in which:
Fig. 1 a is the front view according to the electronic apparatus of one embodiment of the present invention,
Fig. 1 b is the front view according to the electronic apparatus of one embodiment of the present invention,
Fig. 2 is the perspective view for the electronic apparatus that user holds an embodiment according to the present invention,
Fig. 3 is the block diagram of mobile device,
Fig. 4 is to depict the flow chart of the method for an embodiment according to the present invention,
Fig. 5 be depict the flow chart of the method for an embodiment according to the present invention, and
Fig. 6 is to depict the flow chart of the method for an embodiment according to the present invention.
Specific embodiment
In the following specific embodiments, it will be described in the form of cellular phone/mobile phone preferred embodiment
According to the method for the present invention and electronic apparatus.
Fig. 1 a and Fig. 1 b are implemented with first that the form of mobile phone 1 depicts electronic apparatus 1 according to the present invention
Example.Electronic apparatus 1 includes preposition display screen 2, and the preposition display screen is arranged in the front side 4 of the electronic apparatus 1
On, and the preposition display screen 2 has open state S1 and closed state S2.Before Fig. 1 a show S1 in the open state
Display is set, and Fig. 1 b show the preposition display for being in close state S2.
Fig. 2 is the perspective view for the electronic apparatus 1 that user 10 holds an embodiment according to the present invention, it illustrates
Preposition display screen 2, the preposition display screen is arranged on the front side 4 of the electronic apparatus 1, towards electronic apparatus 1
User 10.The front camera being arranged on front side of the device is also shown in Fig. 2.
The block diagram of the general frame of the simplification for the electronic apparatus 1 that Fig. 3 depicts according to the present invention to construct.Processing
Device module 5 controls the operation of the electronic apparatus 1.Processor module 5 is used for the movement based on motion sensor 6
It detects and based on the one or more image that the front camera 3 is captured come the open state S1 to preposition display screen 2
It is controlled with closed state S2.The processor is for analyzing the image as acquired in front camera 3 to determine user's
Whether face occurs in the picture.Processor module 5 also forms the interface of some peripheral cells for described device, described outer
Enclosing unit includes (flash memory) ROM memory 8 and battery 9.In Fig. 3, processor module has integrated RAM7.
Motion sensor 6 can be based on various physical units, for example, piezoelectric type component, pressure resistance type component and capacitive element,
These physical units are commonly used in mechanical movement being converted into electric signal, but about the motion sensor of described device 6 how
Then there is no limit for operation.However, it is advantageous that using the motion sensor of low-power consumption.
According to the present invention, processor 5 is for controlling the operation of the electronic apparatus 1.Preposition 2 coupling of display screen
Processor 5 is closed, and the preposition display screen has open state S1 and closed state S2.Motion sensor 6 is also coupled to
On processor, the motion sensor is used to detect the movement of electronic apparatus.Front camera 3 is arranged in mobile device
Front side 4 on.The front camera is coupled on processor and for capturing image.According to the present invention, the processor
For the motion detection based on the motion sensor 6 and the one or more figure captured based on the front camera 3
As come to the display screen 2 open state S1 and closed state S2 control, the processor 5 for analyze a width or more
Width image is to determine whether the face of user appears in a pair or multiple image.
Detection occur using the face of electronic apparatus according to the present invention can be continuous by using motion sensor
Ground measures the process of the movement of electronic apparatus 1 to execute.When detecting the movement of device 1, even if only detecting pair
When Ying Yu still holds the small movements of the user of described device, it is preposition to use that front camera also will be dealt with device activation
Camera is taken pictures, and is then handled using the edge detection algorithm of standard or 2D high-pass filter algorithm image, to obtain
Obtain the profile of image and the profile of objects in images.If the algorithm detects that user occurs in the picture, for example, passing through inspection
The size for measuring egg type bending closed loop profile is greater than some predetermined threshold, then it is it can be concluded that the face of people appears in preposition take the photograph
As this conclusion of the front of head, otherwise, it is concluded that: without there is face before LCD/ front camera.
Computational complexity may remain at bare minimum, to minimize calculating electric power, to reduce the power consumption of device.
When power consumption may be less important, complicated face recognition algorithm can be used.Typical face recognition algorithm is generally gone through
Several stages, including edge detection, segmentation, feature extraction, matching etc., therefore occur with the simple face such as edge detection is used
Detection algorithm is compared, and more electric power can be consumed.
Typical preposition display 2, such as LCD or AMOLED, generally include six LED for display backlight, often
A LED consumes about 10mA electric power.Therefore, the total power consumption of display screen 2 may be about 70mA, in such electronic apparatus 1
Other component is compared, this is extremely large amount of power consumption.Current energy-saving scheme in electronic apparatus is setting, for example, screen
Time-out, to close display after 15 seconds (or 30 seconds, 1 minute, 2 minutes, 10 minutes) idle.
It is deposited in terms of using tradeoff of the method for timeout of screen section between good user experience and good power-saving mechanism
In intrinsic problem.For example, the device can be energy saving during the closed state of display screen if screen time-out is too fast, but
It is that possible user be needed to touch screen repeatedly to avoid enter into closed state simultaneously, is such as read so that user can be bothered.Separately
On the one hand, when display screen close it is too slow when, battery can exhaust faster.
There is the composition mechanism detected in head image based on mobile phone motion detection and people, and whether mobile phone will be appreciated by user
Side and display can be immediately closed off with energy conservation in front of the display, and at the same time keeping final complete user experience.
The invention further relates to a kind of unlatchings for the preposition display screen to the electronic apparatus with front camera
The method that state and closed state carry out automatically controlling.Fig. 4 depicts the process of the method for an embodiment according to the present invention
Figure.The described method comprises the following steps: a) capturing one or more image, b using front camera) analysis one width or
Multiple image is to determine whether the face of user appears in the one or more image and c) based on step b to institute
The open state and closed state for stating preposition display screen are controlled, so that when detecting use in the one or more image
When the appearance at family, keep the preposition display screen of electronic apparatus in the open state, and when in the one or more figure
When the appearance of user is not detected as in, it is in close state the preposition display screen.
As shown in figure 5, the invention further relates to another kinds for the mobile electricity with front camera and motion sensor
The method that the open state and closed state of the preposition display screen of sub-device carry out automatically controlling, the method includes following steps
It is rapid: detect the movement of described device when the preposition display screen of electronic apparatus is in the open state, and in response to
Detection to the movement of described device captures one or more image using the front camera.Then pass through analysis institute
One or more image is stated to determine that described device has moved on to clear position, wherein the clear position indicates that user may think
Described device is stopped using, and in response to determining that described device is located at the clear position, to the institute of electronic apparatus
State preposition display screen carry out control be at the closed state.
When mobile device 1 is opened, processor 5 can run executable software, to detect whether mobile phone moves, disregard micro-
Small vibration or stable state.It can be by using motion sensor 6, such as accelerometer, to complete the detection.It can be by using
Other sensors other than other methods or accelerometer complete the motion detection.When motion detection confirmation mobile phone is moved
When, executable software just starts detection, and whether side there is the head image of people in front of the display.The preposition of mobile phone can be used
Camera shoots the head image of people, and time-consuming shorter and power consumption is lower every time for the usual front camera, for example,
Power consumption in 500ms is 10mA.Image processing function may include simple head image edge detection." if egg type profile "
Greater than a certain size threshold, then it can be concluded that the head of people appears in the front of display, even if the head is not seen
Display be also such.The dedicated front camera of low-power consumption is used when by implementing in external chip or in SW code
And the simple image processing function in the camera is done so, the power consumption of the method can keep minimum.If
The appearance on head is not detected, then display will immediately close off；And if detecting the appearance of user's head, display screen
It will keep it turned on.The present invention provides optimal tradeoff between user experience and energy conservation.It user far from display or
In the case that mobile device is accepted, display is immediately closed off, rather than waits 15 seconds or even up to 10 minutes screens
Time-out.User would generally accept it after quickly seeing the mobile phone.This behavior usually generation daily 60 times or more, therefore this
The electric power estimation that invention may save can be in the range of 18mAh to 70mAh or even more.
As shown in fig. 6, the invention further relates to another kinds for the mobile electricity with front camera and motion sensor
The method that the open state and closed state of the preposition display screen of sub-device carry out automatically controlling, the method includes following steps
It is rapid: the movement of described device to be detected when the preposition display screen of electronic apparatus is in close state, in response to institute
The detection for stating the movement of device captures one or more image using the front camera.Then pass through analysis described one
Width or multiple image determine that described device has been moved on to using position, go out user wherein described using position instruction and may wish to make
With described device, and in response to determine described device be located at it is described use position, to the described preposition aobvious of electronic apparatus
Display screen carries out control and is at the open state.
It controls the closing mode of screen the algorithm of same type is used for energy conservation and intelligently open display screen,
For example, in order to improve user experience.If user just automatically activates screen only by picking up mobile phone and just look to screen, that
User can activate to avoid being pressed screen or any button as required for for example traditional mobile device
Screen.
For example, although the present invention is described with regard to mobile phone, it is to be appreciated that the present invention also can be applied to other
In the electronic device of type, for example, camera, video recorder, music player, palm PC etc..
Term " includes " used in the attached claims is not excluded for other element or steps.The appended claims
Used in term " one " be not excluded for it is multiple.Single processor or other units may be implemented to enumerate in claim several
The function of device.
Although the present invention is described in detail for purpose of explanation, it is to be understood that such details is intended merely to the purpose,
And without departing from the scope of the invention, those skilled in the art can carry out various modifications.
Claims (18)
1. a kind of electronic apparatus comprising:
Processor, the processor are used to control the operation of the electronic apparatus,
Preposition display screen, the preposition display screen are coupled to the processor and are arranged in the front side of the electronic apparatus
On,
The preposition display screen has open state and closed state,
Motion sensor, the motion sensor are coupled to the processor, and the motion sensor is for detecting the movement
The movement of electronic device,
Front camera, the front camera are arranged on the front side of the electronic apparatus, the preposition camera shooting
Head is coupled to the processor and for capturing image,
The processor is captured for the motion detection based on the motion sensor and based on the front camera
One or more image controls the open state and closed state of the display screen, and the processor is described for analyzing
Whether one or more image is appeared in the one or more image with the face for determining user, wherein when detecting
The size for stating the egg type bending closed loop profile in one or more image is greater than predetermined threshold, it is determined that in the one or more
Detected in image user face occur, the processor further include for control the open state of the preposition display screen and
The trigger of closed state, wherein the electronic apparatus play video when, the open state of the preposition display screen and
The control of closed state is disabled, and it is open state that the trigger, which controls the preposition display screen,.
2. electronic apparatus according to claim 1, wherein the processor, which is used to work as, detects that the face of user goes out
When in the present one or more image, the preposition display screen is made be in the open state, and ought in a width or
When the appearance of user being not detected in multiple image, it is in close state the preposition display screen.
3. electronic apparatus according to claim 1 or 2, wherein the processor is used for using at edge-detected image
Adjustment method analyzes the one or more picture.
4. electronic apparatus according to claim 1 or 2, wherein the processor is used for using at face recognition image
Adjustment method analyzes the one or more picture.
5. electronic apparatus according to claim 1 or 2, wherein to the closed state of the preposition display screen
Control is carried out based on the continuous captured image of at least two width.
6. electronic apparatus according to claim 1 or 2, wherein to the open state of the preposition display screen
Control is carried out based on the continuous captured image of at least two width.
7. electronic apparatus according to claim 1 or 2, wherein to the closed state of the preposition display screen
Control includes closed state delay time, in this way when the preposition display screen is in the open state and no longer detects the face of user
When the appearance in portion, the closed state of the preposition display screen is activated after the closed state delay time.
8. electronic apparatus according to claim 1 or 2, wherein the electronic apparatus further includes additional high score
Resolution camera, the additional high-resolution camera for capture high-resolution camera image with for determine in addition to
Whether the face at family appears in the other purposes other than the one or more, and wherein the front camera is used for determining
Whether the face at family appears in the one or more image.
9. a kind of open state and closed state for the preposition display screen to the electronic apparatus with front camera
The method carried out automatically controlling, the described method comprises the following steps:
A) one or more image is captured using the front camera,
B) analyze whether the one or more image is appeared in the one or more image with the face for determining user, with
And
C) it is controlled based on the open state and closed state of the step b to the preposition display screen, so that when described
When detecting the appearance of user in one or more image, the preposition display screen of electronic apparatus is made to be in opening state
State, and when the appearance of user is not detected in the one or more image, it is in the preposition display screen and closes shape
State, wherein when detect in the one or more image egg type bending closed loop profile size be greater than predetermined threshold, then really
It is scheduled on and detects that the face of user occurs in the one or more image, the open state of the preposition display screen and institute
Closed state is stated to be controlled by trigger, wherein when the electronic apparatus plays video, the unlatching of the preposition display screen
The control of state and closed state is disabled, and it is open state that the trigger, which controls the preposition display screen,.
10. according to the method described in claim 9, wherein analyzing the one or more image includes using edge-detected image
Processing Algorithm or high-pass filter image processing algorithm.
11. according to the method described in claim 9, wherein analyzing the one or more image includes using face recognition image
Processing Algorithm.
12. according to the method described in claim 9, the wherein open state to the preposition display screen and closed state
Control is carried out based on the continuous captured image of at least two width.
13. the method according to any claim in claim 9 to 12, wherein to the pass of the preposition display screen
The control of closed state includes closed state delay time, in this way when the preposition display screen is in the open state and no longer detects
When the appearance of user's face, the closed state of the preposition display screen is just swashed after the closed state delay time
It is living.
14. a kind of opening state for the preposition display screen to the electronic apparatus with front camera and motion sensor
The method that state and closed state carry out automatically controlling, the described method comprises the following steps:
The movement of described device is detected when the preposition display screen of electronic apparatus is in the closed state,
In response to the detection of the movement to described device, one or more image is captured using the front camera,
Determine that described device has been moved on to using position by analyzing the one or more image, wherein described referred to using position
Showing user may wish to using described device,
In response to determining that it is described using position that described device is located at, the preposition display screen of electronic apparatus is controlled
It is at the open state, the open state of the preposition display screen and the closed state are controlled by trigger,
Wherein, when the electronic apparatus plays video, the open state of the preposition display screen and the control quilt of closed state
Disabling, it is open state that the trigger, which controls the preposition display screen,.
15. according to the method for claim 14, wherein analyzing the one or more image includes using edge detection graph
As Processing Algorithm or high-pass filter image processing algorithm.
16. according to the method for claim 14, wherein analyzing the one or more image includes using face recognition figure
As Processing Algorithm.
17. according to the method for claim 14, wherein to the open state and closed state of the preposition display screen
Control be to be carried out based on the continuous captured image of at least two width.
18. method described in any claim in 4 to 17 according to claim 1, wherein to described in the preposition display screen
The control of closed state includes closed state delay time, in this way when the preposition display screen is in the open state and no longer detects
To user's face appearance when, the closed state of the preposition display screen just quilt after the closed state delay time
Activation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811443631.5A CN109756673B (en) | 2013-02-13 | 2013-02-13 | Method and terminal for controlling display state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2013/052817 WO2014124663A1 (en) | 2013-02-13 | 2013-02-13 | Mobile electronic device with display state control |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811443631.5A Division CN109756673B (en) | 2013-02-13 | 2013-02-13 | Method and terminal for controlling display state |
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| CN104115485A CN104115485A (en) | 2014-10-22 |
| CN104115485B true CN104115485B (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201380002651.8A Active CN104115485B (en) | 2013-02-13 | 2013-02-13 | Electronic apparatus with display state control |
| CN201811443631.5A Active CN109756673B (en) | 2013-02-13 | 2013-02-13 | Method and terminal for controlling display state |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811443631.5A Active CN109756673B (en) | 2013-02-13 | 2013-02-13 | Method and terminal for controlling display state |
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| CN (2) | CN104115485B (en) |
| WO (1) | WO2014124663A1 (en) |
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| CN104935812B (en) * | 2015-05-29 | 2017-11-03 | 广东欧珀移动通信有限公司 | A kind of method and device for controlling self-timer mode to open |
| CN105759935B (en) | 2016-01-29 | 2019-01-18 | 华为技术有限公司 | A kind of terminal control method and terminal |
| CN105763811A (en) * | 2016-03-31 | 2016-07-13 | 努比亚技术有限公司 | Shooting control device and method |
| US10757377B2 (en) | 2016-06-01 | 2020-08-25 | Pixart Imaging Inc. | Surveillance system and operation method thereof |
| CN118312941A (en) * | 2016-06-15 | 2024-07-09 | 原相科技股份有限公司 | Portable electronic device |
| WO2019112507A1 (en) | 2017-12-06 | 2019-06-13 | Fingerprint Cards Ab | Method for transitioning a device controller comprised in an electronic device, and an electronic device |
| US20210073541A1 (en) * | 2018-05-22 | 2021-03-11 | Vivo Mobile Communication Co., Ltd. | Object recognition method and mobile terminal |
| WO2020181523A1 (en) * | 2019-03-13 | 2020-09-17 | 华为技术有限公司 | Method and apparatus for waking up screen |
| CN111489652A (en) * | 2020-05-27 | 2020-08-04 | 深圳市创意之都投资有限公司 | Intelligent floor index screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109756673B (en) | 2022-02-08 |
| WO2014124663A1 (en) | 2014-08-21 |
| CN109756673A (en) | 2019-05-14 |
| CN104115485A (en) | 2014-10-22 |
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