CN103973867B - Control wireless communication terminal and method thereof backlight - Google Patents
Control wireless communication terminal and method thereof backlight Download PDFInfo
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- CN103973867B CN103973867B CN201310032045.2A CN201310032045A CN103973867B CN 103973867 B CN103973867 B CN 103973867B CN 201310032045 A CN201310032045 A CN 201310032045A CN 103973867 B CN103973867 B CN 103973867B
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- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A kind of wireless communication terminal backlight and method of use thereof controlled is provided. Controlling wireless communication terminal backlight comprises: a call detecting unit, for detection of the talking state of wireless communication terminal; Take timer, under talking state with cycle predetermined time timing; Take unit, in the time taking timer expiry, from the anterior shooting environmental picture of wireless communication terminal; Posture analysis unit, for determining user's facial pose according to the environment picture of taking unit photographs; Backlight control unit, for the execution control backlight to wireless communication terminal according to the definite facial pose in posture analysis unit.
Description
Technical field
The application relates to a kind of for controlling wireless communication terminal backlight and the method for use thereof, especially relates toAnd a kind of under talking state, take the environment picture of unit photographs wireless communication terminal front portion by useAnd carry out face posture analysis and automatically control wireless communication terminal backlight and method.
Background technology
Wireless communication terminal such as smart mobile phone, panel computer etc. is more and more popularized, intelligent machine topCovered the button operation pattern of conventional mobile phone, user carrys out operate wireless communication terminal with touch-screen substantially.But, use touch-screen to operate and also brought some inconvenience. For example, putting through after phone mobile phoneBe put into the call of ear place, now because backlight does not extinguish, be easy to meet other buttons, cause mistakeOperation; Again for example, be in user in call and want to carry out other operations (as while checking current systemBetween, the duration of call etc.), now backlightly closed, need first button to light backlight, could continue otherOperation. More frequently occur, user oneself thinks initiatively to hang up the telephone, but now needs first to light the back of the bodyLight modulation, and then press " end " button and finish call.
For this inconvenience, general way is, in the position of receiver, a range sensor is installed now,This range sensor only just works in the time of call. If human body proximity range sensor, backlight putting outGo out; If user's health is away from range sensor, backlight opening. But, if service range passesSensor, needs to increase hardware, causes the production cost of product to improve.
Summary of the invention
The object of the present invention is to provide a kind of by use the shooting dress being equipped with in wireless communication terminalPut under talking state the periodically environment to terminal front side and take, by people in the picture of takingThe analysis of face attitude is automatically carried out the method for backlight control and is used the radio communication of described method wholeEnd, thus backlight control in the situation that not needing to add hardware, effectively carried out.
According to an aspect of the present invention, provide a kind of wireless communication terminal backlight of controlling, comprising: callDetecting unit, for detection of the talking state of wireless communication terminal; Take timer, for call shapeUnder state with cycle predetermined time timing; Take unit, in the time taking timer expiry, from nothingThe anterior shooting environmental picture of line communication terminal; Posture analysis unit, for according to taking unit photographsEnvironment picture is determined user's facial pose; Backlight control unit, for determining according to posture analysis unitThe backlight execution control of facial pose to wireless communication terminal.
Preferably, described cycle predetermined time is less than the time that automatically locks or the background of wireless communication terminalThe lamp time.
Preferably, when backlight control unit according to the definite facial pose in posture analysis unit to radio communicationWhen the execution control backlight of terminal, be front face attitude if user's facial pose is determined in posture analysis unit,Backlight control unit is carried out and is controlled so that wireless communication terminal backlight in open mode, if attitudeAnalytic unit determines that user's facial pose is side face attitude, and backlight control unit is carried out and controlled so that nothingLine communication terminal backlight in closed condition.
Preferably, described shooting unit is preposition camera head, and wireless communication terminal is by preposition shootingDevice is placed under low power consumpting state and works.
Preferably, user's face is being determined in posture analysis unit according to the environment picture of taking unit photographsWhen attitude, the environment picture of taking unit photographs is converted to the CIELAB look that international lighting association proposesColor space, to obtain L, a and the b value of each pixel in the environment picture of shooting, and computing environment figureAverage L, a of pixel and b value in sheet, be expressed as have average L value for L1*, average a value be a1*And the first average that on average b value is b1*, the environment picture of CIELAB color space is carried out to average filterRipple, with L, a and the b value of each picture pixel of calculation of filtered, from the environment picture through mean filterIntercept the part of the pre-sizing of central authorities as normal pictures, and calculate pixel in the normal pictures interceptingAverage L, a and b value, be expressed as have average L value for L2*, average a value be a2* and average bValue is the second average of b2*, calculates the poor Δ E* of the first average and the second average by following formula:
ΔE* ab=[(ΔL*)2+(Δa*)2+(Δb*)2]1/2
If determine that the Δ E* calculating is greater than predetermined judgment threshold, determine that current facial pose is front faceAttitude, if determine that the Δ E* calculating is not more than predetermined judgment threshold, determines that current facial pose isSide face attitude.
Preferably, posture analysis unit, before calculating Δ E* value, is determined in the second average of calculatingWhether L2*, a2* and b2* value be respectively at predetermined face experience value range L (L1, L2), a (a1, a2)And in the scope of b (b1, b2), and if the L in described the second average2*、a2And b *2* appointing of valueOne at the model of predetermined face experience value range L (L1, L2), a (a1, a2) and b (b1, b2)In enclosing, posture analysis unit returns to the result that environment picture does not comprise face, and does not continue to carry outThe calculating of Δ E* value.
According to a further aspect in the invention, provide a kind of method backlight of controlling wireless communication terminal, instituteThe method of stating comprises, when wireless communication terminal is during in talking state, below carrying out with cycle predetermined timeStep: from the anterior shooting environmental picture of wireless communication terminal; Determine user according to the environment picture of takingFacial pose; Execution control backlight according to definite facial pose to wireless communication terminal.
Preferably, described cycle predetermined time is less than the time that automatically locks or the background of wireless communication terminalThe lamp time.
Preferably, the definite facial pose of described basis comprises the execution control backlight of wireless communication terminal:If determine that user's facial pose is front face attitude, make the backlight in opening shape of wireless communication terminalState, if determine that user's facial pose is side face attitude, makes the backlight in closing of wireless communication terminalClose state.
Preferably, wireless communication terminal uses preposition camera head shooting environmental picture, and preposition shootingDevice is worked under low power consumpting state.
Preferably, the described environment picture according to shooting determines that the step of user's facial pose comprises: willThe environment picture of taking is converted to the CIELAB color space that international lighting association proposes, to obtain shootingEnvironment picture in L, a and the b value of each pixel, and in computing environment picture pixel average L,A and b value, be expressed as and have average L value for L1*, average a value is a1* and average b value be b1*The first average; The environment picture of CIELAB color space is carried out to mean filter, with calculation of filteredL, a of each picture pixel and b value; Intercept the pre-sizing of central authorities from the environment picture through mean filterPart as normal pictures, and calculate average L, a and the b value of pixel in the normal pictures intercepting,Be expressed as and there is average L value for L2*, average a value is a2* and average b value be b2* the second average;Calculate the poor Δ E* of the first average and the second average by following formula:
ΔE* ab=[(ΔL*)2+(Δa*)2+(Δb*)2]1/2
If determine that the Δ E* calculating is greater than predetermined judgment threshold, determine that current facial pose is front faceAttitude, if determine that the Δ E* calculating is not more than predetermined judgment threshold, determines that current facial pose isSide face attitude.
Preferably, before calculating Δ E* value, determine the L in the second average of calculating2*、a2And b *2*Whether value is respectively at predetermined face experience value range L (L1, L2), a (a1, a2) and b (b1, b2)Scope in, and if the L in described the second average2*、a2And b *2* any of value be not predeterminedIn the scope of face experience value range L (Ll, L2), a (a1, a2) and b (b1, b2), return to ringBorder picture does not comprise the result of face, and does not continue to carry out the calculating of Δ E* value.
Preferably, described in, make the backlight of wireless communication terminal comprise in open mode: if radio communicationTerminal backlight in open mode, does not carry out adjustment processing backlight, and described in make channel radioThe backlight of terminal comprises in closed condition letter: if wireless communication terminal is backlight in closing shapeState, does not carry out adjustment processing backlight.
Brief description of the drawings
By the description of carrying out below in conjunction with accompanying drawing, above and other object of the present invention and feature will becomeMust be clearer, wherein:
Fig. 1 be illustrate according to exemplary embodiment of the present invention for controlling wireless communication terminal backlightThe logic diagram of structure;
Fig. 2 be illustrate according to exemplary embodiment of the present invention for controlling the backlight of wireless communication terminalThe flow chart of method;
Fig. 3 is the flow chart that the processing of step S240 in Fig. 2 is shown.
Detailed description of the invention
Below, describe with reference to the accompanying drawings embodiments of the invention in detail.
Fig. 1 be illustrate according to exemplary embodiment of the present invention for controlling wireless communication terminal backlightThe logic diagram of structure.
With reference to Fig. 1, wireless communication terminal according to the present invention except comprise for realize communication function andBeyond the parts of other common functions, comprise and take timer 110, shooting unit 120, posture analysis listUnit 130, call detecting unit 140 and backlight control unit 150.
Call detecting unit 140 is for detection of the talking state of wireless communication terminal, described talking state bagDraw together and initiatively dial the state of other wireless communication terminals and answer other wireless communication terminals the shape of dialling in callState.
Take timer 110 under the talking state that detects of call detecting unit 140 to be scheduled toTime cycle timing. Cycle predetermined time described here is less than the time that automatically locks of wireless communication terminalOr the background light time.
Take unit 120 overtime for the shooting timing arranging whenever shooting timer 110, from channel radioThe anterior shooting environmental picture of letter terminal. According to a preferred embodiment of the invention, described shooting unit 120It is the preposition camera head of wireless communication terminal. In addition, according to a preferred embodiment of the invention, in callUnder state, described preposition camera head is placed in low power consumpting state by wireless communication terminal, is used for thereby reducePeriodically carry out the power consumption of picture shooting.
User's face is determined in posture analysis unit 130 for the environment picture of taking according to shooting unit 120Portion's attitude. Describe posture analysis unit 130 in detail with reference to Fig. 3 after a while true according to the environment picture of takingDetermine the processing of user's facial pose.
Backlight control unit 150 for according to the definite facial pose in posture analysis unit 130 to channel radioThe execution control backlight of letter terminal. Wherein, if user's facial pose is determined in posture analysis unit 130Be front face attitude, backlight control unit 150 is carried out and is controlled so that wireless communication terminal backlight in beatingOpen state; If posture analysis unit 130 determines that user's facial pose is side face attitude, control backlightUnit processed 150 is carried out and is controlled so that wireless communication terminal backlight in closed condition.
On the other hand, if posture analysis unit 130 returns to the result that environment picture does not comprise face,Backlight control unit 150 is not carried out adjustment processing backlight.
Here,, make the backlight of wireless communication terminal refer in open mode: if radio communication eventuallyThat holds is backlight current in closed condition, and backlight control unit 150 is opened backlight; If radio communicationTerminal backlight in open mode, backlight control unit 150 is not carried out adjustment processing backlight.Described the backlight of wireless communication terminal referred in closed condition: if the backlight of wireless communication terminal worked asFront in open mode, backlight control unit 150 is closed backlight; If wireless communication terminal is backlight, in closed condition, backlight control unit 150 is not carried out adjustment processing backlight.
Fig. 2 be illustrate according to exemplary embodiment of the present invention for controlling the backlight of wireless communication terminalThe flow chart of method.
With reference to Fig. 2, when at step S210, call detecting unit 140 detect wireless communication terminal inWhen talking state, at step S220, take timer 110 with the timing of cycle predetermined time. Here instituteState the time that automatically locks or background light time that cycle predetermined time is less than wireless communication terminal.
When taking the timing that arranges of timer 110 when overtime, at step S230, take unit 120 from nothingThe anterior shooting environmental picture of line communication terminal.
At step S240, posture analysis unit 130 is determined according to taking the environment picture of taking unit 120User's facial pose. Posture analysis unit 130 is analyzed the environment picture of taking, before can determiningUser's facial pose of face, side face. According to a preferred embodiment of the invention, wireless in user face distanceCommunication terminal is enough under state far away, and face's appearance of user also may be cannot analyse in posture analysis unit 130State, now posture analysis unit 130 returns to the testing result of instruction without face testing result.
At step S250, if posture analysis unit 130 determines that user's facial pose is front face, existStep S260, backlight control unit 150 is carried out and is controlled so that wireless communication terminal backlight in opening shapeState.
On the other hand, if at step S270, posture analysis unit 130 determines that user's facial pose isSide face, at step S280, backlight control unit 150 is carried out and is controlled so that wireless communication terminal backlightIn closed condition.
Here,, make the backlight of wireless communication terminal refer in open mode: if radio communication eventuallyThat holds is backlight current in closed condition, and backlight control unit 150 is opened backlight; If radio communicationTerminal backlight in open mode, backlight control unit 150 is not carried out adjustment processing backlight.Described the backlight of wireless communication terminal referred in closed condition: if the backlight of wireless communication terminal worked asFront in open mode, backlight control unit 150 is closed backlight; If wireless communication terminal is backlight, in closed condition, backlight control unit 150 is not carried out adjustment processing backlight.
Fig. 3 is the flow chart that the processing of step S240 in Fig. 2 is shown.
The present invention proposes the Euclidean distance method of a kind of single object based on Lab color space and distinguishes front face and sideThe method of face, the method can reduce the dependence to threshold value, has amplified judgment basis.
Rgb value is the first data that camera obtains, but because the inhomogeneities of RGB color space needsCarry out the conversion of color space. The present invention chooses uniform L*a*b* color space, in LAB spaceTwo kinds of colored difference degree that Euclidean distance between middle any two points and human eye vision are seen are more approaching.
According to a preferred embodiment of the invention, the environment picture of taking unit photographs is transformed into international lightingThe CIELAB color space that association proposes. First the rgb value of environment picture pixel is transformed into correspondingLab value, then carry out subsequent treatment.
With reference to Fig. 3, at step S2410, the environment that shooting unit 120 is taken in posture analysis unit 130Picture is converted to the CIELAB color space that international lighting association proposes, to obtain the environment picture of shootingIn L, a and the b value of each pixel. In addition,, at step S2410, posture analysis unit 130 also calculatesAverage L, a of pixel and b value in environment picture, be expressed as and have average L value for L1*, average a valueFor a1* and average b value be b1* the first average.
At step S2420, posture analysis unit 130 is carried out the environment picture of CIELAB color spaceMean filter, with L, a and the b value of each picture pixel of calculation of filtered.
The general principle of linear filtering is to replace each pixel value in original image by average, to pendingCurrent pixel point (x, y), select a template, this template is made up of some pixels of its neighbour, asksThe average of all pixels in template, then give current pixel point (x, y) figure after processing using this averagePicture gray value g(x, y at that point), i.e. g(x, y)=1/m ∑ f(x, y), m is this mouldIn plate, comprise current pixel in the total number of interior pixel.
At step S2430, posture analysis unit 130 intercepts central authorities from the environment picture through mean filterThe part of pre-sizing (for example 128 × 128) is as normal pictures.
At step S2440, posture analysis unit 130 calculate pixel in the normal pictures intercepting average L,A and b value, be expressed as and have average L value for L2*, average a value is a2* and average b value be b2*The second average.
According to a preferred embodiment of the invention, posture analysis unit 130, after execution step S2440, is heldRow step S2450. At step S2450, posture analysis unit 130 is determined in the second average of calculatingL2*、a2And b *2* whether value is respectively at predetermined face experience value range L (L1, L2), a (a1, a2)And in the scope of b (b1, b2), to determine in the environment picture of shooting whether comprise face.
If at step S2450, the L that posture analysis unit 130 is determined in described the second average2*、a2*And b2* value any not predetermined face experience value range L (L1, L2), a (a1, a2) and b (b1,B2), in scope, at step S2480, posture analysis unit 130 returns to environment picture and does not comprise peopleThe result of face, and the processing of end step S240. Described predetermined face experience value range L (L1, L2),A (a1, a2) and b (b1, b2) are the empirical values of predetermined face scope.
If at step S2450, the L that posture analysis unit 130 is determined in described the second average2*、a2*And b2* value is respectively at predetermined face experience value range L (L1, L2), a (a1, a2) and b (b1, b2)Scope in, posture analysis unit 130 performs step S2460. At step S2460, posture analysis listThe poor Δ E* of the first average and the second average calculates in unit 130 by following formula:
ΔE* ab=[(ΔL*)2+(Δa*)2+(Δb*)2]1/2
If posture analysis unit 130 determines that the Δ E* calculating is greater than predetermined judgment threshold, in stepS2470, posture analysis unit 130 determines that current facial pose is front face attitude. If posture analysis unit130 determine that the Δ E* calculating is not more than predetermined judgment threshold, at step S2490, and posture analysis listUnit 130 determines that current facial pose is side face attitude.
According to exemplary embodiment of the present invention, posture analysis unit 130 is performing step after S2440,Execution step S2460, and do not perform step S2450. In this case, posture analysis unit 130Reduce in the accuracy of determining facial pose, still do not affect the realization of technical solution of the present invention.
Can find out the description of exemplary embodiment of the present invention with reference to Fig. 1 ~ Fig. 3 according to above-mentioned, thisThe bright method for controlling wireless communication terminal backlight and use thereof can, by under talking state, makeWith terminal front being taken pictures and carry out dividing of human face posture for the picture of taking in built-in shooting unitAnalyse and backlight control is carried out in judgement, thereby effectively hold in the situation that not adding the hardware such as range sensorRow backlight control, the manufacturing cost of reduction wireless communication terminal.
Although represent with reference to preferred embodiment and described the present invention, those skilled in the art should manageSeparate, in the case of not departing from the spirit and scope of the present invention that are defined by the claims, can be to theseEmbodiment carries out various amendments and conversion.
Claims (9)
1. control a wireless communication terminal backlight, comprising:
Call detecting unit, for detection of the talking state of wireless communication terminal;
Take timer, under talking state with cycle predetermined time timing;
Take unit, in the time taking timer expiry, take ring from the front portion of wireless communication terminalBorder picture;
Posture analysis unit, for determining user's facial pose according to the environment picture of taking unit photographs;
Backlight control unit, for according to the definite facial pose in posture analysis unit to wireless communication terminalExecution control backlight,
Wherein, when backlight control unit is whole to radio communication according to the definite facial pose in posture analysis unitEnd execution control backlight time, be front face attitude if user's facial pose is determined in posture analysis unit,Backlight control unit is carried out and is controlled so that wireless communication terminal backlight in open mode, if attitudeAnalytic unit determines that user's facial pose is side face attitude, and backlight control unit is carried out and controlled so that nothingLine communication terminal backlight in closed condition,
Wherein, face's appearance of user is being determined in posture analysis unit according to the environment picture of taking unit photographsWhen state,
The environment picture of taking unit photographs is converted to the CIELAB color sky that international lighting association proposesBetween, to obtain L, a and the b value of each pixel in the environment picture of shooting, and in computing environment pictureAverage L, a of pixel and b value, be expressed as and have average L value for L1*, average a value is a1* andAverage b value is b1* the first average,
The environment picture of CIELAB color space is carried out to mean filter, with each picture of calculation of filteredL, a of pixel and b value,
From the part that intercepts the pre-sizing of central authorities through the environment picture of mean filter as normal pictures, andAnd calculate average L, a and the b value of pixel in the normal pictures intercepting, be expressed as and there is average L value and beL2*, average a value is a2* and average b value be b2* the second average,
Calculate the poor Δ E* of the first average and the second average by following formula:
ΔE* ab＝[(ΔL*)2+(Δa*)2+(Δb*)2]1/2，
If determine that the Δ E* calculating is greater than predetermined judgment threshold, determine that current facial pose is front faceAttitude, if determine that the Δ E* calculating is not more than predetermined judgment threshold, determines that current facial pose isSide face attitude.
2. wireless communication terminal as claimed in claim 1, is characterized in that, described week predetermined timePhase is less than the time that automatically locks or the background light time of wireless communication terminal.
3. wireless communication terminal as claimed in claim 1, is characterized in that, before described shooting unit isPut camera head, and wireless communication terminal is placed in preposition camera head under low power consumpting state and works.
4. wireless communication terminal as claimed in claim 1, is characterized in that, posture analysis unit is at meterBefore calculating Δ E* value, determine the L in the second average of calculating2*、a2And b *2* whether value is respectively predeterminedFace experience value range L (L1, L2), a (a1, a2) and the scope of b (b1, b2) in, and asL in described the second average of fruit2*、a2And b *2* any value be not at predetermined face experience value range LIn the scope of (L1, L2), a (a1, a2) and b (b1, b2), posture analysis unit returns to environmentPicture does not comprise the result of face, and does not continue to carry out the calculating of Δ E* value.
5. control a method backlight for wireless communication terminal, described method comprises, when radio communication eventuallyEnd in the time of talking state, with cycle predetermined time carry out following steps:
From the anterior shooting environmental picture of wireless communication terminal;
Determine user's facial pose according to the environment picture of taking;
Execution control backlight according to definite facial pose to wireless communication terminal,
Wherein, the definite facial pose of described basis comprises the execution control backlight of wireless communication terminal:If determine that user's facial pose is front face attitude, make the backlight in opening shape of wireless communication terminalState, if determine that user's facial pose is side face attitude, makes the backlight in closing of wireless communication terminalClose state,
Wherein, the described environment picture according to shooting determines that the step of user's facial pose comprises:
The environment picture of shooting is converted to the CIELAB color space that international lighting association proposes, to getL, a of each pixel and b value in the environment picture that must take, and pixel flat in computing environment pictureAll L, a and b values, are expressed as and have average L value for L1*, average a value is a1And average b value *For b1* the first average,
The environment picture of CIELAB color space is carried out to mean filter, with each picture of calculation of filteredL, a of pixel and b value,
From the part that intercepts the pre-sizing of central authorities through the environment picture of mean filter as normal pictures, andAnd calculate average L, a and the b value of pixel in the normal pictures intercepting, be expressed as and there is average L value and be L2*, average a value is a2* and average b value be b2* the second average,
Calculate the poor Δ E* of the first average and the second average by following formula:
ΔE* ab＝[(ΔL*)2+(Δa*)2+(Δb*)2]1/2，
If determine that the Δ E* calculating is greater than predetermined judgment threshold, determine that current facial pose is front faceAttitude, if determine that the Δ E* calculating is not more than predetermined judgment threshold, determines that current facial pose isSide face attitude.
6. method as claimed in claim 5, is characterized in that, described cycle predetermined time is less than nothingThe time that automatically locks of line communication terminal or background light time.
7. method as claimed in claim 5, is characterized in that, wireless communication terminal uses preposition shootingDevice shooting environmental picture, and preposition camera head is worked under low power consumpting state.
8. method as claimed in claim 5, is characterized in that, before calculating Δ E* value, determinesL in the second average of calculating2*、a2And b *2* value whether respectively predetermined face experience value range L (L1,L2), in the scope of a (a1, a2) and b (b1, b2), and if the L in described the second average2*、a2And b *2* any value be not at predetermined face experience value range L (L1, L2), a (a1, a2) and bIn the scope of (b1, b2), return to the result that environment picture does not comprise face, and do not continue to carry outThe calculating of Δ E* value.
9. method as claimed in claim 8, described in make the backlight in open mode of wireless communication terminalComprise: if wireless communication terminal is backlight in open mode, do not carry out adjustment processing backlight,And described in the backlight of wireless communication terminal comprised in closed condition: if the back of the body of wireless communication terminalLight, in closed condition, is not carried out adjustment processing backlight.
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| CN105988580A (en) * | 2015-04-28 | 2016-10-05 | 乐视移动智能信息技术（北京）有限公司 | Screen control method and device of mobile terminal |
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| CN101697563A (en) * | 2009-10-26 | 2010-04-21 | 宇龙计算机通信科技(深圳)有限公司 | Power saving method for mobile terminal and mobile terminal |
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| CN102404448B (en) * | 2011-09-07 | 2013-11-27 | 惠州Tcl移动通信有限公司 | Mobile terminal screen control method and mobile terminal |
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| CN101697563A (en) * | 2009-10-26 | 2010-04-21 | 宇龙计算机通信科技(深圳)有限公司 | Power saving method for mobile terminal and mobile terminal |
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