CN102594999A - Method and system for performing adaptive mobile phone energy conservation through face identification - Google Patents
Method and system for performing adaptive mobile phone energy conservation through face identification Download PDFInfo
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- CN102594999A CN102594999A CN2012100207084A CN201210020708A CN102594999A CN 102594999 A CN102594999 A CN 102594999A CN 2012100207084 A CN2012100207084 A CN 2012100207084A CN 201210020708 A CN201210020708 A CN 201210020708A CN 102594999 A CN102594999 A CN 102594999A
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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
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- 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
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Abstract
The invention discloses a method for realizing adaptive mobile phone energy conservation. The method comprises the following steps of: making a mobile phone enter an intelligent electricity-saving state; sampling and taking photos in front of the mobile phone through a mobile phone camera at intervals to obtain images; and judging whether a human face is in the images or not by a human face identification technology; if a human face image is obtained, performing step 104, i.e. judging whether the identified human face meets a requirement or not, if so, performing step 105, i.e. keeping a motion state, and temporarily shielding electricity-saving operation, otherwise, performing step 106, i.e. entering an electricity-saving mode and waiting for arousing. The scheme has the advantages that: the recognition rate is higher, the power consumption is more accurately controlled (i.e. when to adjust the frequency of a central processing unit (CPU), whether a backlight is turned on or not, whether a system is in a stand-by state or not, and the like). The user experience is higher, and the phenomenon that data loss is caused by energy conservation at the time that the energy should not be saved is avoided.
Description
Technical field
The present invention relates to a kind ofly carry out self-adapted to mobile phone method for saving energy and system, relate in particular to through face recognition technology and realize self-adapted to mobile phone power-economizing method and system through recognition of face.
Background technology
At present, smart mobile phone is more and more universal, and the function of mobile phone is more and more, and the platform of mobile phone is more and more stronger, and the user more and more relies on mobile phone and participates in various application, mobile phone become in the life must obligato interchange instrument.For example people often utilize mobile phone to participate in communication (IM) in time, play the interactive network recreation, receive various Push information, participate in interactive question and answer, or the like.
Yet a very significant problem is; The battery flying power of mobile phone is not caught up with and is used diversification and complicated step; The control of the energy consumption of mobile phone becomes a big hot research problem with energy-conservation, because the restriction of the finite sum flying power of power consumption control has seriously hindered the process that mobile phone becomes alternative fully notebook computer and other equipments for surfing the net.How to let limited battery flying power not waste as far as possible, thereby can support the application that more more complicacies need long-time power supply, become a focus.
Existing solution is mostly according to the input of mobile phone, keyboard for example, the activity of touch-screen; Judge whether to adopt energy-saving scheme, for example in the time of frequency key pressing, let operating handset at " optimum performance " state, and when having no input in a period of time; Let operating handset in energy-saving mode, for example screen backlight is closed, the processor frequency reducing; The mode of this behavior pattern and input condition according to the people can be to a certain degree the unnecessary battery electric quantity of reduction, yet that its exists is significantly not enough:
1) forecasting inaccuracy is difficult to the correct following operating position of mobile phone in a short time of judging according to input current and a period of time before;
2) user experience is bad, such as thinking how to write 30 seconds of just stopping in short, is just preparing to continue, and finds that mobile phone gets into energy-saving mode;
3) be difficult to according to the actual conditions of using more intelligence thinner arrange energy-conservation grade to mobile phone, can only be 2 kinds of grades, or economize on electricity, peak performance.
Summary of the invention
To the defective of the problems referred to above and existing solution, the present invention proposes a kind of self-adapted to mobile phone power-economizing method, step 101: mobile phone gets into the intelligent energy-saving state; Step 102: mobile phone cam adversary's machine face area sampling is at interval taken pictures, and obtains to take pictures image; Step 103: utilize face recognition technology to judge in the image of taking pictures whether people's face is arranged; If, then obtain facial image and get into step 104, whether the people's face that identifies meets the demands; If, then get into step 105, keep running status, temporarily shield power save function; Otherwise get into step 106: get into the energy-saving mode wake-up waiting.
In addition, the invention allows for a kind of self-adapted to mobile phone energy conserving system and comprise: the intelligent energy-saving starting drive makes mobile phone get into the intelligent energy-saving state; Camera is used for adversary's machine face area sampling at interval and takes pictures, and obtains to take pictures image; Face identification device utilizes face recognition technology to judge to take pictures in the image whether people's face is arranged, if having then obtain facial image; The facial image verifying attachment, whether the people's face that when having facial image, identifies meets the demands; Keep running gear, when people's face meets the demands, keep running status, temporarily shield power save function; When people's face did not meet the demands, intelligent electric-saving device was activated, and got into the energy-saving mode wake-up waiting.
Based on face recognition technology, utilize the camera and the face recognition technology of mobile phone, whether judges practical mobile phone, and not only leans on the input of keyboard or touch-screen.
The advantage of this scheme is:
1. discrimination is higher, controls power consumption (such as the frequency of when adjusting CPU, whether backlight is opened, and system is standby, or the like) more accurately.
2. better user experience can not occur should not be energy-conservation the time energy-conservationly, causes loss of data.
Accompanying drawing is described
In conjunction with reference to accompanying drawing and ensuing detailed description, the present invention will be more readily understood, the structure member that wherein same Reference numeral is corresponding same, wherein:
Fig. 1 is according to first embodiment of the present invention flow chart;
Fig. 2 is according to the second preferred embodiment flow chart of the present invention;
Fig. 3 is according to the 3rd preferred embodiment flow chart of the present invention;
Fig. 4 is according to the 4th preferred embodiment flow chart of the present invention;
Fig. 5 is according to the 5th preferred embodiment flow chart of the present invention;
Fig. 6 is according to first embodiment of the present invention system block diagram.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, below in conjunction with accompanying drawing and embodiment the present invention done further detailed explanation.
The input of why at first analyzing through simple judgement keyboard or touch-screen can not well judge whether to get into power save mode.
This mainly is because there is the occasion of some mobile phone application, does not need frequent especially keyboard or the input of other peripheral hardwares, such as seeing e-book, see a film, or the like.The main points that we pay close attention to are; Do not need frequent peripheral hardware input though these are used, they still need pass to people's (vision that need export to the people is in other words caught) to information, briefly; Except making a phone call and listening to the music, most mobile phone operations all need be used mobile phone screen.Making a phone call and listening to the music then is the program (make a phone call to get into energy-saving mode, get into energy-saving mode and listen to the music) that judges whether to need to get into economize on electricity very easily.
Overwhelming majority situation are not when the user sees screen when, and most of situation just really needs energy-conservation, when doing power consumption control (power-saving measures of economize on electricity maximum is exactly close screen backlight).
On the other hand; Current face recognition technology is quite ripe, and so-called recognition of face has two types, and a kind of is whether certain zone of recognition image has people's face; Typical application is some digital cameras; Inside the judgement picture that they can be real-time nobody's face is arranged, thereby take setting (comprising focusing, exposure compensating or the like) (for example introducing the website of the IXUS of Canon series camera) according to the photometric parameter in the zone that has people's face automatically.Second kind is to utilize recognition of face to do authentication, this similar fingerprint recognition, and just the input source of identification is people's face (that is, can discern persona certa's face of input in advance).
With reference to figure 1, it shows the flow chart among first embodiment of the present invention.
Step 101: mobile phone gets into the intelligent energy-saving state, can be the cellphone subscriber through selecting this function, and mobile phone gets into the intelligent energy-saving state or after record is not expired the regular hour to the timer accumulative total of mobile phone operation, mobile phone entering intelligent energy-saving state; Mobile phone meeting initialization camera, and other preparations, this function is a background function, promptly can not influence the cellphone subscriber and carry out other operations.
Step 102: mobile phone cam adversary's machine face area sampling is at interval taken pictures, and obtains to take pictures image.
Step 103: utilize face recognition technology to judge in the image of taking pictures whether people's face is arranged, the recognition of face of mentioning here mainly is identification: whether have people's face, available existing techniques in realizing.
If, then obtain facial image and get into step 104, whether the people's face that identifies meets the demands, and judges preferably whether the zone at people's face place satisfies the requirement of " watching mobile phone screen ".
If, then get into step 105, keep running status, temporarily shield power save function.
Otherwise get into step 106: getting into the energy-saving mode wake-up waiting, is similarly with traditional mobile phone here in fact, and just in traditional scheme, getting into energy-saving mode is to lean on simple timer to trigger, and the present invention triggers through recognition of face.
With reference to figure 2, it shows the flow chart among second embodiment of the present invention.This flow chart is the preferred version of step 104 among Fig. 1.
Step 201: the one or more General Face Image that read the preliminary election storage.
Step 202: whether the facial image that identifies coincide with one or more General Face Image of storage in advance, meets the demands if coincide then think, does not meet the demands if misfit then think.
Preferably, also can store one or more specific facial images, thereby the facial image of identification is compared with this specific image.
With reference to figure 3, it shows the flow chart among the 3rd embodiment of the present invention.This flow chart is the preferred version of step 104 among Fig. 1.
Step 301: start people's face and continue timer.
Step 302: when timer time arrives, execution in step 102 and step 103 once more.
Step 303: if can also identify people's face, just think to meet the demands, otherwise think and do not meet the demands.
With reference to figure 4, it shows the flow chart among the 4th embodiment of the present invention.This flow chart is the preferred version of step 104 among Fig. 1.
Step 401: according to predetermined interval execution in step 102 and step 103 once more.
Step 402: after repeating pre-determined number, can both detect people's face at every turn, then think then to think to meet the demands, otherwise think and do not meet the demands.
With reference to figure 5, it shows the flow chart among the 5th embodiment of the present invention.This flow chart is the preferred version of step 104 among Fig. 1.
Step 501: image and facial image carry out graphical analysis to taking pictures; Obtain at least one in the following analysis result: whether facial image has suitable size; Whether in the image of taking pictures, occupy suitable position; Whether the angle on facial image above-below direction and mobile phone plane is less than predetermined value; Whether the angle on facial image left and right directions and mobile phone plane is less than predetermined value, and whether eyes open in the facial image, and whether the axial angle of visual direction of eyes and camera is less than predetermined value in the facial image.
Step 502: when above-mentioned one or more analysis results do not satisfy, then think not meet the demands, otherwise think and meet the demands.
Fig. 6 is the system block diagram according to first embodiment of the invention.A kind of self-adapted to mobile phone energy conserving system comprises: the intelligent energy-saving starting drive makes mobile phone get into the intelligent energy-saving state; Camera is used for adversary's machine face area sampling at interval and takes pictures, and obtains to take pictures image; Face identification device utilizes face recognition technology to judge to take pictures in the image whether people's face is arranged, if having then obtain facial image; The facial image verifying attachment, whether the people's face that when having facial image, identifies meets the demands; Keep running gear, when people's face meets the demands, keep running status, temporarily shield power save function; When people's face did not meet the demands, intelligent electric-saving device was activated, and got into the energy-saving mode wake-up waiting.
Above-mentioned explanation has fully disclosed embodiment of the present invention.It is pointed out that any change that technical staff's specific embodiments of the invention of being familiar with this field is done does not all break away from the scope of claims of the present invention.Correspondingly, the scope of claim of the present invention also is not limited only to said embodiment.
Claims (14)
1. self-adapted to mobile phone power-economizing method is characterized in that comprising:
Step 101: mobile phone gets into the intelligent energy-saving state;
Step 102: mobile phone cam adversary's machine face area sampling is at interval taken pictures, and obtains to take pictures image;
Step 103: utilize face recognition technology to judge in the image of taking pictures whether people's face is arranged;
If, then obtain facial image and get into step 104, whether the people's face that identifies meets the demands;
If, then get into step 105, keep running status, temporarily shield power save function;
Otherwise get into step 106: get into the energy-saving mode wake-up waiting.
2. method as claimed in claim 1, wherein meeting the demands in the step 104 is meant and satisfies the requirement that the user is watching mobile phone screen.
3. like any method among the claim 1-2, wherein step 104 specifically comprises:
Step 201: the one or more General Face Image that read the preliminary election storage;
Step 202: whether the facial image that identifies coincide with one or more General Face Image of storage in advance, meets the demands if coincide then think, does not meet the demands if misfit then think.
4. like any method among the claim 1-3, wherein step 104 specifically comprises:
Step 301: start people's face and continue timer;
Step 302: when people's face continues timer time and arrives, execution in step 102 and step 103 once more;
Step 303: if can also identify people's face, just think to meet the demands, otherwise think and do not meet the demands.
5. like any method among the claim 1-4, wherein step 104 specifically comprises:
Step 401: according to predetermined interval execution in step 102 and step 103 once more;
Step 402: after repeating pre-determined number, can both detect people's face at every turn, then think then to think to meet the demands, otherwise think and do not meet the demands.
6. like any method among the claim 1-5, wherein step 104 specifically comprises:
Step 501: image and facial image carry out graphical analysis to taking pictures; Obtain at least one in the following analysis result: whether facial image has suitable size; Whether in the image of taking pictures, occupy suitable position; Whether the angle on facial image above-below direction and mobile phone plane is less than predetermined value; Whether the angle on facial image left and right directions and mobile phone plane is less than predetermined value, and whether eyes open in the facial image, and whether the axial angle of visual direction of eyes and camera is less than predetermined value in the facial image;
Step 502: when above-mentioned one or more analysis results do not satisfy, then think not meet the demands, otherwise think and meet the demands.
7. like any method among the claim 1-6; Wherein step 101 specifically comprises: the cellphone subscriber is through selecting the intelligent energy-saving function; Mobile phone gets into the intelligent energy-saving state or after record is not expired the regular hour to the timer accumulative total of mobile phone operation, mobile phone entering intelligent energy-saving state.
8. self-adapted to mobile phone energy conserving system is characterized in that comprising:
Intelligent electric-saving device makes mobile phone get into the intelligent energy-saving state;
Camera is used for adversary's machine face area sampling at interval and takes pictures, and obtains to take pictures image;
Face identification device utilizes face recognition technology to judge to take pictures in the image whether people's face is arranged, if having then obtain facial image;
The facial image verifying attachment, whether the people's face that when having facial image, identifies meets the demands;
Keep running gear, when people's face meets the demands, keep running status, temporarily shield power save function;
When people's face did not meet the demands, intelligent electric-saving device was activated, and got into the energy-saving mode wake-up waiting.
9. system as claimed in claim 8, wherein meeting the demands in the facial image verifying attachment is meant and satisfies the requirement that the user is watching mobile phone screen.
10. like any system among the claim 8-9, wherein the facial image verifying attachment specifically comprises:
Read the device of one or more General Face Image of preliminary election storage;
First judgment means, whether the facial image that identifies coincide with one or more General Face Image of storage in advance, meets the demands if coincide then think, does not meet the demands if misfit then think.
11. like any system among the claim 8-10, wherein the facial image verifying attachment specifically comprises:
Start the device that people's face continues timer;
When people's face continued timer time arrival, adversary's machine face area sampling was taken pictures once more, obtained to take pictures image; Utilize face recognition technology to judge to take pictures in the image whether people's face is arranged, if having then obtain facial image;
Second judgment means if can also identify people's face, is just thought to meet the demands, otherwise thinks and do not meet the demands.
12. like any system among the claim 8-11, wherein the facial image verifying attachment specifically comprises:
Camera arrangement at interval, according to predetermined interval once more adversary's machine face area sampling take pictures, obtain to take pictures image; Utilize face recognition technology to judge to take pictures in the image whether people's face is arranged, if having then obtain facial image;
The 3rd judgment means, be used for the repetition pre-determined number after, can both detect people's face at every turn, then think then to think to meet the demands, otherwise think and do not meet the demands.
13. like any system among the claim 8-12, wherein the facial image verifying attachment specifically comprises:
Image analysis apparatus; Image and facial image carry out graphical analysis to taking pictures; Obtain at least one in the following analysis result: whether facial image has suitable size; Whether in the image of taking pictures, occupy suitable position, whether the angle on facial image above-below direction and mobile phone plane is less than predetermined value, and whether the angle on facial image left and right directions and mobile phone plane is less than predetermined value; Whether eyes open in the facial image, and whether the axial angle of visual direction of eyes and camera is less than predetermined value in the facial image;
The 4th judgment means when above-mentioned one or more analysis results do not satisfy, is then thought not meet the demands, otherwise thinks and meet the demands.
14. like any system among the claim 8-13; Wherein the intelligent energy-saving starting drive specifically comprises: the cellphone subscriber is through selecting the intelligent energy-saving function; Mobile phone gets into the intelligent energy-saving state or after record is not expired the regular hour to the timer accumulative total of mobile phone operation, mobile phone entering intelligent energy-saving state.
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Application publication date: 20120718 |