CN106817580A - A kind of apparatus control method, apparatus and system - Google Patents
A kind of apparatus control method, apparatus and system Download PDFInfo
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- CN106817580A CN106817580A CN201510853902.4A CN201510853902A CN106817580A CN 106817580 A CN106817580 A CN 106817580A CN 201510853902 A CN201510853902 A CN 201510853902A CN 106817580 A CN106817580 A CN 106817580A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
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Abstract
The present invention provides a kind of apparatus control method, apparatus and system, is related to stereo display technique field, is used to reduce the power consumption of bore hole stereoscopic display.Apparatus control method of the invention includes：In bore hole stereoscopic display equipment normal work, the Face datection information of face tracking unit is obtained, wherein the Face datection information is the face tracking unit carries out Face datection acquisition in the visual range of the display device；When determining not detect facial image in the visual range of the display device according to the Face datection information, the face tracking unit is entered into low-power consumption mode.Present invention is mainly used in bore hole stereoscopic display technology.
Description
Technical field
The present invention relates to stereo display technique field, more particularly to a kind of apparatus control method, apparatus and system.
Background technology
Stereo display technique is come the parallax of the images of left and right eyes of manufacturer by artificial means.In the art,
By delivering the two images of parallax respectively to images of left and right eyes so that brain obtain it is left and right soon
After the different images for arriving, the sensation of observation true three-dimension object is produced.
Stereo display technique includes glasses-type of stereoscopic Display Technique and bore hole type stereo display technique.Wherein, it is naked
Eye stereo display technique is using the optics before display screen is installed on, by the image with parallax effect
The images of left and right eyes for giving people is delivered respectively, allows people to see the sensation of solid.In bore hole stereoscopic display technology, can
To come in adjust the liquid crystal point of display screen grating relative to the position before screen by camera track human faces
Son arrangement and graphical arrangement, so that beholder carries out bore hole stereo-picture sight in the angle of non-constant width
See.
But, need that opening will be always maintained at for the camera of track human faces in the art, due to
Such equipment power dissipation is larger, thus the power consumption of bore hole stereoscopic display is also larger in existing scheme.
The content of the invention
In view of this, the present invention provides a kind of apparatus control method, apparatus and system, is used to reduce bore hole and stands
The power consumption that body shows.
In order to solve the above technical problems, the present invention provides a kind of apparatus control method, including：
In bore hole stereoscopic display equipment normal work, the Face datection information of face tracking unit is obtained, its
Described in Face datection information be that the face tracking unit is carried out in the visual range of the display device
What Face datection was obtained；
Do not detected in the visual range of the display device when according to Face datection information determination
During facial image, the face tracking unit is entered into low-power consumption mode.
Preferably, it is described by the face tracking unit enter low-power consumption mode after, methods described also includes：
The human testing information that human testing unit sends is obtained, wherein the human testing information is the people
Body detection unit carries out human testing acquisition in the visual range of the display device；
When according to the human testing information determine there is human body to occur in the visual range of the display device
When, restart the face tracking unit.
Preferably, the human testing unit is pyroelectric infrared sensor, the acquisition human testing unit
The human testing information of transmission includes：
Human testing is sent to the pyroelectric infrared sensor to instruct so that the human testing unit is in institute
State and human testing information is obtained in the visual range of display device；
Receive the human testing information that the pyroelectric infrared sensor sends.
Preferably, it is described to determine in the visual range of the display device when according to the human testing information
When thering is human body to occur, the face tracking unit is restarted, including：
Parse the human testing information that the pyroelectric infrared sensor sends；
When the human testing information is high level signal, it is determined that in the visual range of the display device
There is human body to occur, restart the face tracking unit.
Preferably, the human testing unit is thermopile infrared sensor, the acquisition human testing unit
The human testing information of transmission, including：
Obtain the initial output value of the thermopile infrared sensor；
Obtain the face tracking unit and face figure is not detected in the visual range of the display device
Second output valve of thermopile infrared sensor during picture；
Human testing is sent to the thermopile infrared sensor to instruct, obtain the thermopile infrared sensor
The 3rd output valve.
Preferably, it is described to determine in the visual range of the display device when according to the human testing information
When thering is human body to occur, the face tracking unit is restarted, including：
First parameter and the second parameter are compared；
When first parameter meets pre-conditioned with the relation of second parameter, it is determined that in the display
There is human body to occur in the visual range of equipment, restart the face tracking unit；
Wherein described first parameter is the difference of the 3rd output valve and second output valve, second ginseng
Number is second output valve and the difference of the initial output value and the product of pre-determined factor.
Preferably, before the human testing information that the acquisition human testing unit sends, methods described is also wrapped
Include：
Detect whether to be related to the trigger action of the display device；
When the trigger action for being related to the display device is detected, the face tracking list is restarted
Unit.
Preferably, methods described also includes：
When the face tracking unit is entered into low-power consumption mode, the display device is entered into low-power consumption mould
Formula；And/or
When the face tracking unit is restarted, the display device is restarted.
Second aspect, the present invention provides a kind of plant control unit, including：
Acquiring unit, in bore hole stereoscopic display equipment normal work, obtaining the people of face tracking unit
Face detection information, wherein the Face datection information be the face tracking unit in the display device can
Face datection acquisition is carried out depending in the range of；
Control unit, for working as the visual range determined according to the Face datection information in the display device
When inside not detecting facial image, the face tracking unit is controlled to enter low-power consumption mode.
Preferably, the acquiring unit is additionally operable to, and obtains the human testing information that human testing unit sends,
Wherein described human testing information is that the human testing unit enters in the visual range of the display device
What row human testing was obtained；
Described control unit is additionally operable to, when according to the human testing information determine in the display device can
When thering is human body to occur depending in the range of, the control restarting face tracking unit.
Preferably, the human testing unit is pyroelectric infrared sensor；The acquiring unit includes：
Sending module, instructs so that the people for sending human testing to the pyroelectric infrared sensor
Body detection unit obtains human testing information in the visual range of the display device；
Acquisition module, for receiving the human testing information that the pyroelectric infrared sensor sends.
Preferably, described control unit includes：
Parsing module, for parsing the human testing information that the pyroelectric infrared sensor sends；
Determining module, for when the human testing information is high level signal, it is determined that being set in the display
There is human body to occur in standby visual range；
Control module, for controlling the restarting face tracking unit.
Preferably, the human testing unit is thermopile infrared sensor；The acquiring unit includes：
First acquisition module, the initial output value for obtaining the thermopile infrared sensor；
Second acquisition module, for obtaining in the face tracking unit not in the visual of the display device
In the range of detect the second output valve of thermopile infrared sensor during facial image；
3rd acquisition module, instructs for sending human testing to the thermopile infrared sensor, obtains institute
State the 3rd output valve of thermopile infrared sensor.
Preferably, described control unit includes：
Comparison module, for the first parameter and the second parameter to be compared；
Control module, for when first parameter meets pre-conditioned with the relation of second parameter,
It is determined that there is human body to occur in the visual range of the display device, the control restarting face tracking list
Unit；
Wherein described first parameter is the difference of the 3rd output valve and second output valve, second ginseng
Number is second output valve and the difference of the initial output value and the product of pre-determined factor.
Preferably, described device also includes：
Detection unit, for detecting whether being related to the trigger action of the display device；
Described control unit is additionally operable to, and the triggering behaviour on the display device is detected in the detection unit
When making, the control restarting face tracking list.
Preferably, described control unit is additionally operable to：When the face tracking unit is entered into low-power consumption mode,
The display device is entered low-power consumption mode by control；And/or when the face tracking unit is restarted,
The control restarting display device.
The third aspect, the present invention also provides a kind of apparatus control system, including：Display control apparatus, bore hole
Stereoscopic display device, power supply management device, face tracking equipment；Wherein,
The display control apparatus, in bore hole stereoscopic display equipment normal work, obtaining face tracking
The Face datection information of unit, wherein the Face datection information is the face tracking unit in the display
Face datection acquisition is carried out in the visual range of equipment；And determine when according to the Face datection information
When not detecting facial image in the visual range of the display device, set by controlling the power management
It is standby that the face tracking unit is entered into low-power consumption mode；
The bore hole stereoscopic display equipment, for display image；
The face tracking equipment, for detecting facial image in the visual range of the display device, and
Face detection information is sent to the display control apparatus；
The power supply management device, for being the display control apparatus, the display device and the face
Tracing equipment is powered.
Preferably, the system also includes：
Human body detecting device, for having detected whether that human body occurs in the visual range of the display device,
And to the display control apparatus sender physical examination measurement information；
The display control apparatus, are additionally operable to obtain the human testing information that human testing unit sends, and
When determining to there is human body to occur in the visual range of the display device according to the human testing information, lead to
Cross and control the power supply management device to restart the face tracking unit.
Preferably, the display control apparatus are additionally operable to：The face tracking unit is being entered into low-power consumption mould
During formula, the display device is entered into low-power consumption mode by controlling the power supply management device；And/or
When restarting the face tracking unit, the display is restarted by controlling the power supply management device
Equipment.
Above-mentioned technical proposal of the invention has the beneficial effect that：
In embodiments of the present invention, detected not in the visual range of display device when using face tracking unit
To facial image namely people not in the visual range of display device when, you can face tracking unit is carried out low
Power consumption mode.Therefore, using the embodiment of the present invention scheme bore hole stereoscopic display equipment normal work mistake
Need not be always on by face tracking unit in journey, but can't detect people in the visual range of display device
Low-power consumption mode is carried out during face image, thus the embodiment of the present invention reduces the work(of low bore hole stereoscopic display
Consumption.
Brief description of the drawings
Fig. 1 is the flow chart of the apparatus control method of the embodiment of the present invention one；
Fig. 2 is the flow chart of the apparatus control method of the embodiment of the present invention two；
Fig. 3 is the flow chart of the apparatus control method of the embodiment of the present invention three
Fig. 4 is the schematic diagram of the plant control unit of the embodiment of the present invention four；
Fig. 5 is the structure chart of the plant control unit of the embodiment of the present invention four；
Fig. 6 is the schematic diagram of the apparatus control system of the embodiment of the present invention five；
Fig. 7 is the another schematic diagram of the apparatus control system of the embodiment of the present invention five.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the invention is described in further detail.
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
As shown in figure 1, the apparatus control method of the embodiment of the present invention one, is performed by display control apparatus, bag
Include：
Step 11, in bore hole stereoscopic display equipment normal work, obtain face tracking unit face inspection
Measurement information, wherein the Face datection information is visual model of the face tracking unit in the display device
Face datection acquisition is carried out in enclosing.
When bore hole stereoscopic display equipment power-on is started working, it is believed that bore hole stereoscopic display equipment is normal
Work.Now, face figure can have been detected whether in the visual range of display device by face tracking unit
Picture.Wherein, the display control apparatus can be by ready-made programmable gate array (Field Programmable Gate
Array, FPGA), micro-control unit (Microcontroller Unit；MCU), application specific integrated circuit
(Application Specific Integrated Circuit, ASIC) and the operation in above-mentioned digital display circuit
Software sharing.
Specifically, in this embodiment, display control apparatus can send face and examine to face tracking unit first
Instruction is surveyed, for indicating face tracing unit to proceed by Face datection.Certainly, the face tracking unit is also
May be configured as carrying out Face datection pattern automatically, namely indicate that face inspection can be carried out without display control apparatus
Survey.
The face tracking unit can use face tracking camera in a particular application.Wherein, the face is chased after
Track camera can be an independent equipment, and on the display device；Or the face tracking is taken the photograph
As head can be also embedded in display device.Face tracking camera is set in display using face tracking technology
Detection facial image in standby visual range.Wherein, in embodiments of the present invention, the visual model of display device
Enclose refers to that user can from different directions observe content shown on the display screen of display device
Angular range, and the content shown by display device be then not limited to described image for 2D (2dimension,
Two dimension) image or 3D (3dimension, three-dimensional) image.
Face camera is after the image that Face datection information namely face camera shoot is obtained, you can will
The Face datection information of acquisition is sent to display control apparatus.Display control apparatus are receiving Face datection information
Whether the appearance for having face in the visual range of display device is determined according to the Face datection information afterwards.
Step 12, when according to the Face datection information determine do not have in the visual range of the display device
When detecting facial image, the face tracking unit is entered into low-power consumption mode.
Specifically, whether display control apparatus determine there is face figure in the information according to the Face datection information
Picture.For example, display control apparatus can be analyzed using face recognition technology to Face datection information.Work as root
Determine not detect facial image in the visual range of the display device according to the Face datection information
When, face tracking unit can be entered low-power consumption mode by display control apparatus by controlling power supply management device.
Wherein low-power consumption mode can include power-down mode, standby mode.
As seen from the above, in embodiments of the present invention, when using face tracking unit in display device can
When facial image namely people are can't detect depending in the range of not in the visual range of display device, you can by face
Tracing unit carries out low-power consumption mode.Therefore, set in bore hole stereoscopic display using the scheme of the embodiment of the present invention
Need not be always on by face tracking unit during standby normal work, thus compared with prior art, this
Inventive embodiments reduce the power consumption of low bore hole stereoscopic display.
In embodiments of the present invention, in order to further improve Consumer's Experience, can also human body detecting device utilized
Back within the visual range of display device or display is set having detected user is detected
During standby trigger action, face tracking unit is restarted.In a particular application, human body detecting device can be with
Realized using different sensors, such as it is hot to release infrared sensor, thermopile infrared sensor etc..Hereinafter tie
Close embodiment two and embodiment three describes this hair during using different sensors as human body detecting device
The implementation process of the apparatus control method of bright embodiment.Certainly, it is necessary to clearly, concrete application it is various also
Can be using the sensor of other forms as human body detecting device in this, as long as it can be in display device
Detected whether with the presence of human body in visual range.
As shown in Fig. 2 the present invention implements two apparatus control method, including：
Step 21, unlatching display control unit, display device, face tracking camera, heat release infrared biography
The power supply of sensor, makes the said equipment normal work, and user normally watches image that display device shows etc..
Step 22, face tracking camera obtain Face datection information in the visual range of display device,
And Face datection information is sent to display control unit.
Step 23, display control unit are determined in the visual range of display device according to Face datection information
Whether there is face to occur.If it is not, performing step 24；If then keeping display device to open,
And step 22 is returned again to by face tracking camera continuation acquisition Face datection information.
Step 24, due to do not detected in the visual range of display device face occur, can now recognize
It is unmanned viewing display device, therefore controllable face tracking unit and display device enter low-power consumption mode.
For example, in embodiments of the present invention, can control the power-off of face tracking unit.In addition in order to enter
One step reduction power consumption, now also can control the power-off of display device.
Step 25, detect whether to be related to the trigger action of the display device.
Trigger action wherein on shown display device includes touch action of the user to display device, to aobvious
Show the button operation of equipment, operation is waited to the mobile of display device.If having detected above-mentioned trigger action,
In embodiments of the present invention it is also contemplated that user needs to continue to watch.Set if detecting and being related to the display
Standby trigger action then performs step 26, otherwise performs step 27.
Step 26, when the trigger action for being related to the display device is detected, restart the people
Face tracing unit and display device, are then back to step 22.
Specifically, in this step can be by the power on of face tracking unit and the power supply by display device
Connect.
Step 27, pyroelectric infrared sensor obtain human testing in the visual range of the display device
Information.
In this step, human testing can be sent to the pyroelectric infrared sensor from display control apparatus to refer to
Order, control pyroelectric infrared sensor starts to detect human body information；Certainly, rpyroelectric infrared can also be sensed
Device is set to be constantly in the course of the work the pattern of detection human body information.
Pyroelectric infrared sensor is by a kind of material of Seebeck coefficient high, such as lead zirconate titanate system ceramics, tantalic acid
The detecting element that lithium, triglycine sulfate etc. are made.In order to improve detectivity to increase detection range, one
As pyroelectric infrared sensor front install a Fresnel Lenses.The infrared light that human body sends is through more than half
Spherical Fresnel lens are focused on and are pooled on pyroelectric infrared sensor, then by amplifying and filtering output one
Switching signal (high level 1 or low level 0), high level represents that the sensor detects the human body of motion,
Low level is represented and does not detect human body.Therefore, can be really by the output signal of pyroelectric infrared sensor
Whether be scheduled in the visual range of display device has human body to occur.
Human testing information is sent to display control apparatus by step 28, pyroelectric infrared sensor.Display
Whether control device determines have human body to occur in the indication range of display device according to the human testing information.
When the human testing information is high level signal, it is determined that in the visual range of the display device
There is human body to occur, otherwise determine that no human body occurs.When it is determined that there is human body to occur, step 29 is performed.
When it is determined that no human body can continue when occurring keep human body tracing unit be closed, and again detection be
The no trigger action for being related to the display device, namely return to execution step 25.
Step 29, when it is determined that there is human body to occur, restart the face tracking unit and display device.
Specifically, in this step can be by the power on of face tracking unit and the power supply by display device
Connect.
As seen from the above, in embodiments of the present invention, when using face tracking unit in display device can
When facial image namely people are can't detect depending in the range of not in the visual range of display device, you can by face
Tracing unit carries out low-power consumption mode.Therefore, set in bore hole stereoscopic display using the scheme of the embodiment of the present invention
Need not be always on by face tracking unit during standby normal work, but in the visual model of display device
Low-power consumption mode is carried out when can't detect facial image in enclosing, thus the present invention is real compared with prior art
Apply the power consumption that example reduces low bore hole stereoscopic display.And can also show while human body tracing unit is closed
Show that equipment is together closed, so as to further reduce power consumption.
As shown in figure 3, the present invention implements three apparatus control method, including：
Step 31, unlatching display control unit, display device, face tracking camera, thermopile IR
The power supply of sensor, makes the said equipment normal work, and user normally watches image that display device shows etc..
Step 32, the initial output value for obtaining thermopile infrared sensor.
Thermopile infrared sensor is a kind of infrared sensor as obtained from thermocouple is connected, and it passes through thermoelectricity
It is even that the infrared energy in measurement window region is converted into electromotive force.The voltage that thermopile infrared sensor is exported
Data characterization is average infrared energy intensity in measurement window, can coordinate whether camera detects human body
Before appearing in display screen.Under normal circumstances, the thermopile IR sensing when someone is appeared in before display screen
The output valve of device can appear in the output valve before display screen more than no one.
In embodiments of the present invention, the initial output value is not a fixed value.Sheet is performed when first time
During embodiment of the method, the initial output value refers to the initial output value of thermopile infrared sensor；When second
After secondary execution this method embodiment, the initial output value refers to subsequent step 34 and determines in display device
The output valve of thermopile infrared sensor when thering is face to occur in visual range.
Step 33, face tracking camera obtain Face datection information in the visual range of display device,
And Face datection information is sent to display control unit.
Step 34, display control unit are determined in the visual range of display device according to Face datection information
Whether there is face to occur.If it is not, performing step 35；If then keeping display device to open,
The thermopile infrared sensor in step 32 is updated using the output valve of now thermopile infrared sensor simultaneously
Initial output value.
Step 35, due to not detecting face in the visual range of display device, it is believed that it is unmanned to see
Display device is seen, now face tracking unit is can control and display device is entered low-power consumption mode.
For example, in embodiments of the present invention, controllable face tracking unit enters standby mode.In addition in order to
Power consumption is further reduced, now also be can control and display device is entered into standby mode.
Step 36, the second output valve for obtaining thermopile infrared sensor.
Namely the thermopile IR obtained in this step when the final unit of face does not detect face is passed
The output valve of sensor.
Step 37, detect whether to be related to the trigger action of the display device.
Trigger action wherein on shown display device includes touch action of the user to display device, to aobvious
Show the button operation of equipment, operation is waited to the mobile of display device.If having detected above-mentioned trigger action,
In embodiments of the present invention it is also contemplated that user needs to continue to watch.Set if detecting and being related to the display
Standby trigger action then performs step 38, otherwise performs step 39.
Step 38, when the trigger action for being related to the display device is detected, restart the people
Face tracing unit and display device, and return to step 33.
Specifically, in this step can be by the power on of face tracking unit.In addition in order to further improve
Consumer's Experience, now also can control the power on of display device.
Step 39, the 3rd output valve for obtaining thermopile infrared sensor.
In this step, human testing can be sent to the thermopile infrared sensor from display control apparatus to refer to
Order, control thermopile infrared sensor starts to detect human body information；Certainly, thermopile IR can also be sensed
Device is set to be constantly in the course of the work the pattern of detection human body information.
Step 310, display control apparatus determine the indication range in display device according to the human testing information
Inside whether there is human body to occur.
In embodiments of the present invention, using above-mentioned initial output value, the second output valve and the 3rd output valve
Obtain the first parameter and the second parameter.Wherein the first parameter=the 3rd the-the second output valve of output valve；Second parameter
=the second output valve-initial output value.If the first parameter>Second parameter × threshold, then it is believed that
There is human body to occur in the indication range of display device, perform step 311；Otherwise it is assumed that occur without human body,
Return to step 39.
Wherein threshold is a constant.The value of threshold is for judging that beholder is leaving display screen
Enter the degree of thermopile infrared sensor when in the visual range of display screen behind the viewing area of curtain again
Whether number increment meets trigger condition.It and environment temperature, the heat dissipation design of display device and thermoelectric pile are red
The selection of outer sensor is relevant, can survey whether there is sight under different environment temperatures by by actual hardware
The real data of the person of seeing is calculated.
Step 311, the restarting face tracking unit and display device.
As seen from the above, in embodiments of the present invention, when using face tracking unit in display device can
When facial image namely people are can't detect depending in the range of not in the visual range of display device, you can by face
Tracing unit carries out low-power consumption mode.Therefore, set in bore hole stereoscopic display using the scheme of the embodiment of the present invention
Need not be always on by face tracking unit during standby normal work, but in the visual model of display device
Low-power consumption mode is carried out when can't detect facial image in enclosing, thus the present invention is real compared with prior art
Apply the power consumption that example reduces low bore hole stereoscopic display.And can also show while human body tracing unit is closed
Show that equipment is together closed, so as to further reduce power consumption.
As shown in figure 4, the plant control unit of the embodiment of the present invention four, including：
Acquiring unit 41, in bore hole stereoscopic display equipment normal work, obtaining face tracking unit
Face datection information, wherein the Face datection information is the face tracking unit in the display device
Visual range in carry out Face datection acquisition；Control unit 42, for when according to the Face datection
When information determines not detect facial image in the visual range of the display device, the face is controlled
Tracing unit enters low-power consumption mode.
Wherein, the visual range of display device refers to that user can from different directions observe display device
The angular range of shown content on display screen, and the content shown by display device is then not limited to institute
It is 2D (2dimension, two dimension) images or 3D (3dimension, three-dimensional) image to state image.
Wherein, in order to further reduce display power consumption, the acquiring unit 41 is additionally operable to, and obtains people's physical examination
The human testing information that unit sends is surveyed, wherein the human testing information is the human testing unit in institute
Stating carries out human testing acquisition in the visual range of display device；Described control unit 42 is additionally operable to, when
When determining to there is human body to occur in the visual range of the display device according to the human testing information, control
Restart the face tracking unit.
According to the description of previous embodiment, the human testing unit can be realized using different sensors.
When the human testing unit is pyroelectric infrared sensor, the acquiring unit 41 may include：
Sending module, instructs so that people's physical examination for sending human testing to the pyroelectric infrared sensor
Survey unit and human testing information is obtained in the visual range of the display device；Acquisition module, for receiving
The human testing information that the pyroelectric infrared sensor sends.
Now, described control unit 42 may include：Parsing module, passes for parsing the rpyroelectric infrared
The human testing information that sensor sends；Determining module, for being high level signal when the human testing information
When, it is determined that thering is human body to occur in the visual range of the display device；Control module, for controlling again
Start the face tracking unit.
When the human testing unit is thermopile infrared sensor, the acquiring unit 41 may include：
First acquisition module, the initial output value for obtaining the thermopile infrared sensor；Second obtains
Module, does not detect in the face tracking unit for obtaining in the visual range of the display device
Second output valve of thermopile infrared sensor during facial image；3rd acquisition module, for described
Thermopile infrared sensor sends human testing instruction, obtains the 3rd output of the thermopile infrared sensor
Value.
Now, described control unit 42 may include：Comparison module, for by the first parameter and the second parameter
It is compared；Control module, for meeting default bar with the relation of second parameter when first parameter
During part, it is determined that there is human body to occur in the visual range of the display device, the control restarting face
Tracing unit；Wherein described first parameter is the difference of the 3rd output valve and second output valve, described
Second parameter is second output valve and the difference of the initial output value and the product of pre-determined factor.
Wherein described initial output value, the first parameter, the implication of the second parameter can refer to preceding method embodiment
Description.
In order to further reduce power consumption, described control unit 42 is additionally operable to：By the face tracking unit
During into low-power consumption mode, the display device is entered low-power consumption mode by control；Restarting the people
During face tracing unit, the control restarting display device.
As shown in figure 5, in order to further improve Consumer's Experience, described device may also include：Detection unit
43, for detecting whether being related to the trigger action of the display device.Now, described control unit 42
It is additionally operable to, when the detection unit detects the trigger action on the display device, control is opened again
Move the face tracking unit；Otherwise control keeps the face tracking unit to be in low-power consumption mode.
The operation principle of device of the present invention can refer to the description of preceding method embodiment.
As seen from the above, in embodiments of the present invention, when using face tracking unit in display device can
When facial image namely people are can't detect depending in the range of not in the visual range of display device, you can by face
Tracing unit carries out low-power consumption mode.Therefore, set in bore hole stereoscopic display using the scheme of the embodiment of the present invention
Need not be always on by face tracking unit during standby normal work, but in the visual model of display device
Low-power consumption mode is carried out when can't detect facial image in enclosing, thus the present invention is real compared with prior art
Apply the power consumption that example reduces low bore hole stereoscopic display.And can also show while human body tracing unit is closed
Show that equipment is together closed, so as to further reduce power consumption.
As shown in fig. 6, the embodiment of the present invention five additionally provides a kind of apparatus control system, including：Display control
Control equipment 71, bore hole stereoscopic display equipment 72, power supply management device 73, face tracking equipment 74.
Wherein, the display control apparatus 71, in bore hole stereoscopic display equipment normal work, obtaining
The Face datection information of face tracking unit is taken, wherein the Face datection information is the face tracking unit
Face datection acquisition is carried out in the visual range of the display device；And when according to the Face datection
It is described by control when information determines not detect facial image in the visual range of the display device
The face tracking unit is entered low-power consumption mode by power supply management device；
The bore hole stereoscopic display equipment 72, for display image；
The face tracking equipment 73, for detecting facial image in the visual range of the display device,
And send face detection information to the display control apparatus；
The power supply management device 74, for being the display control apparatus, the display device and described
Face tracking equipment is powered.
Wherein, the display control apparatus can be by ready-made programmable gate array FPGA, micro-control unit MCU
Application-specific integrated circuit ASIC and the software sharing run in above-mentioned digital display circuit.The face tracking sets
Standby can be face tracking camera, and the display device can be display or display screen etc..Specific
In, the face tracking camera can have infrared shooting function and infrared light according to function is supplied, with suitable
With the recognition of face under low illumination.
In order to further reduce display power consumption, the display control apparatus 71 are additionally operable to：By the face
When tracing unit enters low-power consumption mode, the display device is entered by controlling the power supply management device
Low-power consumption mode；And/or when the face tracking unit is restarted, by controlling the power management
Equipment restarts the display device.
As shown in fig. 7, the system may also include：Human body detecting device 75, for being set in the display
Detect whether that human body occurs in standby visual range, and human testing letter has been sent to the display control apparatus
Breath.Now, the display control apparatus 71, are additionally operable to obtain the human testing that human testing unit sends
Information, and determine there is human body in the visual range of the display device according to the human testing information working as
During appearance, the face tracking unit is restarted by controlling the power supply management device.
Wherein, the human body detecting device can release infrared sensor, thermopile infrared sensor etc. using heat
Sensor is realized.
The operation principle of system of the present invention can refer to the description of preceding method embodiment.The system can be
The equipment such as mobile phone, panel computer, desktop computer.Within the system, the face tracking equipment and the people
Physical examination measurement equipment can be the equipment being independently arranged, it is also possible to before being embedded in the display screen of the display device
Side.
As seen from the above, in embodiments of the present invention, when using face tracking unit in display device can
When facial image namely people are can't detect depending in the range of not in the visual range of display device, you can by face
Tracing unit carries out low-power consumption mode.Therefore, set in bore hole stereoscopic display using the scheme of the embodiment of the present invention
Need not be always on by face tracking unit during standby normal work, but in the visual model of display device
Low-power consumption mode is carried out when can't detect facial image in enclosing, thus the present invention is real compared with prior art
Apply the power consumption that example reduces low bore hole stereoscopic display.And can also show while human body tracing unit is closed
Show that equipment is together closed, so as to further reduce power consumption.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (19)
1. a kind of apparatus control method, it is characterised in that including：
In bore hole stereoscopic display equipment normal work, the Face datection information of face tracking unit is obtained, its
Described in Face datection information be that the face tracking unit is carried out in the visual range of the display device
What Face datection was obtained；
Do not detected in the visual range of the display device when according to Face datection information determination
During facial image, the face tracking unit is entered into low-power consumption mode.
2. method according to claim 1, it is characterised in that described by the face tracking list
After unit enters low-power consumption mode, methods described also includes：
The human testing information that human testing unit sends is obtained, wherein the human testing information is the people
Body detection unit carries out human testing acquisition in the visual range of the display device；
When according to the human testing information determine there is human body to occur in the visual range of the display device
When, restart the face tracking unit.
3. method according to claim 2, it is characterised in that the human testing unit is released for heat
Electric infrared sensor, the human testing information that the acquisition human testing unit sends includes：
Human testing is sent to the pyroelectric infrared sensor to instruct so that the human testing unit is in institute
State and human testing information is obtained in the visual range of display device；
Receive the human testing information that the pyroelectric infrared sensor sends.
4. method according to claim 3, it is characterised in that described when according to the human testing
When information determines to have human body to occur in the visual range of the display device, the face tracking is restarted
Unit, including：
Parse the human testing information that the pyroelectric infrared sensor sends；
When the human testing information is high level signal, it is determined that in the visual range of the display device
There is human body to occur, restart the face tracking unit.
5. method according to claim 2, it is characterised in that the human testing unit is thermoelectricity
Heap infrared sensor, the human testing information that the acquisition human testing unit sends, including：
Obtain the initial output value of the thermopile infrared sensor；
Obtain the face tracking unit and face figure is not detected in the visual range of the display device
Second output valve of thermopile infrared sensor during picture；
Human testing is sent to the thermopile infrared sensor to instruct, obtain the thermopile infrared sensor
The 3rd output valve.
6. method according to claim 5, it is characterised in that described when according to the human testing
When information determines to have human body to occur in the visual range of the display device, the face tracking is restarted
Unit, including：
First parameter and the second parameter are compared；
When first parameter meets pre-conditioned with the relation of second parameter, it is determined that in the display
There is human body to occur in the visual range of equipment, restart the face tracking unit；
Wherein described first parameter is the difference of the 3rd output valve and second output valve, second ginseng
Number is second output valve and the difference of the initial output value and the product of pre-determined factor.
7. according to any described methods of claim 2-6, it is characterised in that in acquisition people's physical examination
Before surveying the human testing information that unit sends, methods described also includes：
Detect whether to be related to the trigger action of the display device；
When the trigger action for being related to the display device is detected, the face tracking list is restarted
Unit.
8. according to any described methods of claim 2-6, it is characterised in that methods described also includes：
When the face tracking unit is entered into low-power consumption mode, the display device is entered into low-power consumption mould
Formula；And/or when the face tracking unit is restarted, restart the display device.
9. a kind of plant control unit, it is characterised in that including：
Acquiring unit, in bore hole stereoscopic display equipment normal work, obtaining the people of face tracking unit
Face detection information, wherein the Face datection information be the face tracking unit in the display device can
Face datection acquisition is carried out depending in the range of；
Control unit, for working as the visual range determined according to the Face datection information in the display device
When inside not detecting facial image, the face tracking unit is controlled to enter low-power consumption mode.
10. device according to claim 9, it is characterised in that
The acquiring unit is additionally operable to, and the human testing information that human testing unit sends is obtained, wherein described
Human testing information is that the human testing unit carries out people's physical examination in the visual range of the display device
Survey what is obtained；
Described control unit is additionally operable to, when according to the human testing information determine in the display device can
When thering is human body to occur depending in the range of, the control restarting face tracking unit.
11. devices according to claim 10, it is characterised in that the human testing unit is heat
Release electric infrared sensor；The acquiring unit includes：
Sending module, instructs so that the people for sending human testing to the pyroelectric infrared sensor
Body detection unit obtains human testing information in the visual range of the display device；
Acquisition module, for receiving the human testing information that the pyroelectric infrared sensor sends.
12. devices according to claim 11, it is characterised in that described control unit includes：
Parsing module, for parsing the human testing information that the pyroelectric infrared sensor sends；
Determining module, for when the human testing information is high level signal, it is determined that being set in the display
There is human body to occur in standby visual range；
Control module, for controlling the restarting face tracking unit.
13. devices according to claim 10, it is characterised in that the human testing unit is heat
Pile infrared sensor；The acquiring unit includes：
First acquisition module, the initial output value for obtaining the thermopile infrared sensor；
Second acquisition module, for obtaining in the face tracking unit not in the visual of the display device
In the range of detect the second output valve of thermopile infrared sensor during facial image；
3rd acquisition module, instructs for sending human testing to the thermopile infrared sensor, obtains institute
State the 3rd output valve of thermopile infrared sensor.
14. devices according to claim 13, it is characterised in that described control unit includes：
Comparison module, for the first parameter and the second parameter to be compared；
Control module, for when first parameter meets pre-conditioned with the relation of second parameter,
It is determined that there is human body to occur in the visual range of the display device, the control restarting face tracking list
Unit；
Wherein described first parameter is the difference of the 3rd output valve and second output valve, second ginseng
Number is second output valve and the difference of the initial output value and the product of pre-determined factor.
15. according to any described devices of claim 10-14, it is characterised in that described device also includes：
Detection unit, for detecting whether being related to the trigger action of the display device；
Described control unit is additionally operable to, and the triggering behaviour on the display device is detected in the detection unit
When making, the control restarting face tracking unit.
16. according to any described devices of claim 9-14, it is characterised in that described control unit is also
For：When the face tracking unit is entered into low-power consumption mode, the display device is entered low by control
Power consumption mode；And/or when the face tracking unit is restarted, the control restarting display sets
It is standby.
A kind of 17. apparatus control systems, it is characterised in that including：Display control apparatus, bore hole is three-dimensional aobvious
Show equipment, power supply management device, face tracking equipment；Wherein,
The display control apparatus, in bore hole stereoscopic display equipment normal work, obtaining face tracking
The Face datection information of unit, wherein the Face datection information is the face tracking unit in the display
Face datection acquisition is carried out in the visual range of equipment；And determine when according to the Face datection information
When not detecting facial image in the visual range of the display device, set by controlling the power management
It is standby that the face tracking unit is entered into low-power consumption mode；
The bore hole stereoscopic display equipment, for display image；
The face tracking equipment, for detecting facial image in the visual range of the display device, and
Face detection information is sent to the display control apparatus；
The power supply management device, for being the display control apparatus, the display device and the face
Tracing equipment is powered.
18. systems according to claim 17, it is characterised in that the system also includes：
Human body detecting device, for having detected whether that human body occurs in the visual range of the display device,
And to the display control apparatus sender physical examination measurement information；
The display control apparatus, are additionally operable to obtain the human testing information that human testing unit sends, and
When determining to there is human body to occur in the visual range of the display device according to the human testing information, lead to
Cross and control the power supply management device to restart the face tracking unit.
19. system according to claim 17 or 18, it is characterised in that the display control apparatus
It is additionally operable to：When the face tracking unit is entered into low-power consumption mode, set by controlling the power management
It is standby that the display device is entered into low-power consumption mode；And/or when the face tracking unit is restarted,
The display device is restarted by controlling the power supply management device.
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