CN104460985B - One kind continues backlight approach, system and terminal automatically based on recognition of face - Google Patents
One kind continues backlight approach, system and terminal automatically based on recognition of face Download PDFInfo
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- CN104460985B CN104460985B CN201410572376.XA CN201410572376A CN104460985B CN 104460985 B CN104460985 B CN 104460985B CN 201410572376 A CN201410572376 A CN 201410572376A CN 104460985 B CN104460985 B CN 104460985B
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- face
- backlight
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- terminal
- successful
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
Abstract
The present invention provides one kind and continues backlight approach, system and terminal automatically based on recognition of face.Comprise the following steps：When terminal detects the distance between face and terminal screen less than preset value, terminal screen backlight, which lights and sets backlight, closes the cycle；When backlight closes cycle arrival, the human face image information of acquisition and the face characteristic information stored are compared the terminal, if the match is successful, enter next backlight and close the cycle；Face datection number of times in terminal statistics preset period of time, face the match is successful number of times and the Face datection number of times, the face according to acquisition the match is successful number of times, according to preset strategy, obtain face the match is successful rate；Terminal closes period modulation Policy Table according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight, the backlight closing cycle after being adjusted.The one kind provided according to the present invention continues backlight approach, system and terminal automatically based on recognition of face, and there is provided a kind of flexible delay automatic backlight breath screen scheme so that the experience of user is greatly promoted.
Description
Technical field
Backlight approach, system are continued based on recognition of face automatically the invention belongs to field of intelligent control, more particularly to one kind
And terminal.
Background technology
Prior art discloses a kind of method of control display screen automatic backlight, comprise the following steps：A. in automatic backlight
Ticket reserving time before breath screen opens camera；B. the image that camera is obtained is ashed；C. by the image two-value after ashing
Change；D. whether made a reservation in the image after analysis of binary face organ or object；If e. make a reservation face organ or
Object, delay automatic backlight breath screen, if not provided, return to step b is arrived up to the automatic backlight breath screen time.
Such scheme does not provide a kind of flexible delay automatic backlight breath screen scheme so that the experience of user is dropped significantly
It is low.
The content of the invention
The present invention provides one kind and continues backlight approach, system and terminal automatically based on recognition of face, to solve the above problems.
The present invention provides one kind and continues backlight approach automatically based on recognition of face.The above method comprises the following steps：
When terminal detects the distance between face and terminal screen less than preset value, terminal screen backlight is lighted and set
Backlight closes the cycle；
When backlight closes cycle arrival, the terminal believes the human face image information of acquisition and the face characteristic of storage
Breath is compared, if the match is successful, enters next backlight and closes the cycle；
Face datection number of times, face the match is successful number of times and examined in terminal statistics preset period of time according to the face of acquisition
Number of times, the face the match is successful number of times are surveyed, according to preset strategy, face is obtained the match is successful rate；
Terminal closes period modulation according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Policy Table, the backlight after being adjusted closes the cycle.
The present invention also provides one kind and continues back light system, including terminal, strategy controller automatically based on recognition of face；Its
In, the terminal is joined directly together with the strategy controller；
The terminal, when being less than preset value for detecting the distance between face and terminal screen, terminal screen backlight
Light and set backlight and close the cycle；When being additionally operable to backlight and closing the cycle and reach, the terminal is by the human face image information of acquisition
It is compared with the face characteristic information of storage, if the match is successful, enters next backlight and close the cycle；It is additionally operable to system
Count Face datection number of times in preset period of time, face the match is successful number of times and according to the Face datection number of times of acquisition, the people
Face the match is successful number of times, according to preset strategy, obtains face the match is successful rate；
The strategy controller, for providing face the match is successful rate scope to the terminal and backlight closes period modulation
Policy Table；
The terminal, is additionally operable to according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Period modulation Policy Table is closed, the backlight after being adjusted closes the cycle.
The present invention also provides one kind and continues backlight terminal, including detection module, comparison module, system automatically based on recognition of face
Count computing module, adjusting module；Wherein, the detection module is connected by the comparison module with the statistics computing module；
The comparison module is connected by the statistics computing module with the adjusting module；
The detection module, when being less than preset value for detecting the distance between face and terminal screen, terminal screen
Backlight lights and sets backlight and closes the cycle and send the backlight closing cycle to the comparison module；
The comparison module, when closing cycle arrival for backlight, by described in the human face image information of acquisition and storage
Face characteristic information is compared, if the match is successful, enters next backlight and closes the cycle；
The statistics computing module, the match is successful for counting Face datection number of times, face in preset period of time number of times and root
According to the Face datection number of times, the face the match is successful the number of times of acquisition, according to preset strategy, face is obtained the match is successful rate
And the match is successful that rate is sent to the adjusting module by the face of acquisition；
The adjusting module, for according to the face of acquisition the match is successful rate, face the match is successful rate scope and the back of the body
Light closes period modulation Policy Table, and the backlight after being adjusted closes the cycle.
Compared to prior art, the one kind provided according to the present invention continues backlight approach, system automatically based on recognition of face
And there is provided a kind of flexible delay automatic backlight breath screen scheme for terminal so that the experience of user is greatly promoted.
Pass through following scheme：When backlight closes cycle arrival, trigger image in the terminal progress Face datection, terminal and sweep
Retouch module to be scanned the face, obtain human face image information, by the human face image information of acquisition and the people of storage
Face characteristic information is compared, if the match is successful, enters next backlight and closes the cycle, it is to avoid the waste of electricity, increase
Stand-by time.
Pass through following scheme：Terminal according to the Face datection number of times, the face of acquisition the match is successful number of times, according to
Preset strategy, the process for obtaining face the match is successful rate is：Face the match is successful rate=face the match is successful number of times/Face datection
Number of times, closes period modulation Policy Table according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight, obtains
Backlight after adjustment closes the cycle, greatly improves the experience of user.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
What Fig. 1 showed the embodiment of the present invention 1 continues backlight approach flow chart based on recognition of face automatically；
What Fig. 2 showed the embodiment of the present invention 2 continues backlight system construction figure based on recognition of face automatically；
What Fig. 3 showed the embodiment of the present invention 3 continues backlight terminal structure figure based on recognition of face automatically.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
What Fig. 1 showed the embodiment of the present invention 1 continues backlight approach flow chart, including following step based on recognition of face automatically
Suddenly：
Step 101：Terminal obtains and stores face characteristic information；
The mode that terminal obtained and stored face characteristic information is：Image scanning module periodic scanning face characteristic in terminal
Information and stored or terminal from third party entity (for example：Image processor) in obtain and face characteristic information and deposited
Storage.
Step 102：When terminal detects the distance between face and terminal screen less than preset value, terminal screen backlight is bright
Rise and set backlight and close the cycle；
When range sensor in terminal detects the distance between face and terminal screen less than the first preset value, triggering
Terminal screen backlight, which lights and sets backlight, closes the cycle.
The backlight closing cycle can flexibly set in actual application, for example：Backlight closes cycle T=120 second.
Step 103：Backlight close the cycle reach when, the terminal by the human face image information of acquisition with storage the people
Face characteristic information is compared, if the match is successful, enters next backlight and closes the cycle；
When backlight is closed the cycle and reached, trigger the terminal and carry out in Face datection, terminal image scanning module to described
Face is scanned, and obtains human face image information, and the human face image information of acquisition and the face characteristic information of storage are entered
Row is compared, if the match is successful, is entered next backlight and is closed the cycle.
Step 104：Face datection number of times in terminal statistics preset period of time, face the match is successful number of times and according to the institute of acquisition
Face datection number of times, the face are stated the match is successful number of times, according to preset strategy, obtain face the match is successful rate；
Terminal is according to the Face datection number of times, the face of acquisition the match is successful number of times, according to preset strategy, obtains
The process of face the match is successful rate is：
Face the match is successful rate=face the match is successful number of times/Face datection number of times.
Step 105：Terminal is closed according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Period modulation Policy Table, the backlight after being adjusted closes the cycle.
It is as shown in table 1 that face the match is successful rate scope and backlight close period modulation Policy Table：
| Face the match is successful rate scope (X) | Backlight closes period modulation strategy |
| The preset value of X >=second | (1+ faces the match is successful rate) × T |
| 0 ＜ X the second preset values of ＜ | Face the match is successful rate × T |
Table 1
T can flexibly be set in actual application, for example：T=120 seconds；Second preset value can be according to reality
Situation is flexibly set, for example：90%.
Terminal obtains face the match is successful rate scope and backlight is closed the mode of period modulation Policy Table and included：Terminal itself
Storage face the match is successful rate scope and backlight close period modulation Policy Table or terminal obtains face from strategy controller
Rate scope that the match is successful and backlight close period modulation Policy Table.
Citing is carried out below to be described in detail：
Mobile phone is taken pictures to the face of Zhang San in advance by camera, stores the face characteristic information or mobile phone of Zhang San
From third party entity (for example：Video camera) the middle face characteristic information for obtaining Zhang San.When the face of Zhang San is close to mobile phone, mobile phone
In range sensor when detecting the distance between face of Zhang San and mobile phone screen and being less than 0.3 meter, the triggering mobile phone screen back of the body
Light, which rises and sets backlight, closes cycle T=120 second.
When backlight is closed 120 seconds cycles and reached, triggering mobile phone carries out Face datection, and image scanning module is to described in mobile phone
Face is scanned, and obtains human face image information, and the human face image information of acquisition and the face characteristic information of storage are entered
Row is compared, if the match is successful, is entered next backlight and is closed the cycle.
Mobile phone statistics preset period of time is (for example：3600 seconds) interior Face datection number of times 10 times, face the match is successful number of times 8 times,
Then obtain face the match is successful rate=8/10=80%.
Mobile phone understands that the backlight closing after adjust is all according to the face of acquisition the match is successful rate (80%) with reference to table 1
Phase is：0.8T.
What Fig. 2 showed the embodiment of the present invention 2 continues backlight system construction figure based on recognition of face automatically, including terminal,
Strategy controller；Wherein, the terminal is joined directly together with the strategy controller；
The terminal, when being less than preset value for detecting the distance between face and terminal screen, terminal screen backlight
Light and set backlight and close the cycle；When being additionally operable to backlight and closing the cycle and reach, the terminal is by the human face image information of acquisition
It is compared with the face characteristic information of storage, if the match is successful, enters next backlight and close the cycle；It is additionally operable to system
Count Face datection number of times in preset period of time, face the match is successful number of times and according to the Face datection number of times of acquisition, the people
Face the match is successful number of times, according to preset strategy, obtains face the match is successful rate；
The strategy controller, for providing face the match is successful rate scope to the terminal and backlight closes period modulation
Policy Table；
The terminal, is additionally operable to according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Period modulation Policy Table is closed, the backlight after being adjusted closes the cycle.
Wherein, the terminal is additionally operable to obtain and store face characteristic information.
What Fig. 3 showed the embodiment of the present invention 3 continues backlight terminal structure figure based on recognition of face automatically, including detection mould
Block, comparison module, statistics computing module, adjusting module；Wherein, the detection module passes through the comparison module and the statistics
Computing module is connected；The comparison module is connected by the statistics computing module with the adjusting module；
The detection module, when being less than preset value for detecting the distance between face and terminal screen, terminal screen
Backlight lights and sets backlight and closes the cycle and send the backlight closing cycle to the comparison module；
The comparison module, when closing cycle arrival for backlight, by described in the human face image information of acquisition and storage
Face characteristic information is compared, if the match is successful, enters next backlight and closes the cycle；
The statistics computing module, the match is successful for counting Face datection number of times, face in preset period of time number of times and root
According to the Face datection number of times, the face the match is successful the number of times of acquisition, according to preset strategy, face is obtained the match is successful rate
And the match is successful that rate is sent to the adjusting module by the face of acquisition；
The adjusting module, for according to the face of acquisition the match is successful rate, face the match is successful rate scope and the back of the body
Light closes period modulation Policy Table, and the backlight after being adjusted closes the cycle.
Compared to prior art, the one kind provided according to the present invention continues backlight approach, system automatically based on recognition of face
And there is provided a kind of flexible delay automatic backlight breath screen scheme for terminal so that the experience of user is greatly promoted.
Pass through following scheme：When backlight closes cycle arrival, trigger image in the terminal progress Face datection, terminal and sweep
Retouch module to be scanned the face, obtain human face image information, by the human face image information of acquisition and the people of storage
Face characteristic information is compared, if the match is successful, enters next backlight and closes the cycle, it is to avoid the waste of electricity, increase
Stand-by time.
Pass through following scheme：Terminal according to the Face datection number of times, the face of acquisition the match is successful number of times, according to
Preset strategy, the process for obtaining face the match is successful rate is：Face the match is successful rate=face the match is successful number of times/Face datection
Number of times, closes period modulation Policy Table according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight, obtains
Backlight after adjustment closes the cycle, greatly improves the experience of user.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. one kind continues backlight approach automatically based on recognition of face, it is characterised in that comprise the following steps：
When terminal detects the distance between face and terminal screen less than preset value, terminal screen backlight lights and sets backlight
The closing cycle；
When backlight closes cycle arrival, the terminal is compared the human face image information of acquisition and the face characteristic information stored
It is right, if the match is successful, enter next backlight and close the cycle；
Face datection number of times in terminal statistics preset period of time, face the match is successful number of times and according to the Face datection of acquisition
Several, described face the match is successful number of times, according to preset strategy, obtains face the match is successful rate；
Terminal closes period modulation strategy according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Table, the backlight after being adjusted closes the cycle.
2. according to the method described in claim 1, it is characterised in that：Terminal detects face and the distance between terminal screen is small
When preset value, terminal screen backlight is lighted and also included before setting the backlight closing cycle：
Terminal obtains and stores face characteristic information.
3. method according to claim 2, it is characterised in that：The mode that terminal obtained and stored face characteristic information is：
Image scanning module periodic scanning face characteristic information and stored or terminal obtains people from third party entity in terminal
Face characteristic information is simultaneously stored.
4. according to the method described in claim 1, it is characterised in that：Range sensor in terminal detects face and end panel
When the distance between curtain is less than the first preset value, triggering terminal screen backlight, which lights and sets backlight, closes the cycle.
5. according to the method described in claim 1, it is characterised in that：When backlight closes cycle arrival, trigger the terminal and carry out
Image scanning module is scanned to the face in Face datection, terminal, human face image information is obtained, by the people of acquisition
Face image information is compared with the face characteristic information stored, if the match is successful, enters next backlight and closes the cycle.
6. according to the method described in claim 1, it is characterised in that：Terminal is according to the Face datection number of times of acquisition, described
Face the match is successful number of times, according to preset strategy, the process for obtaining face the match is successful rate is：Face the match is successful rate=face
The match is successful number of times/Face datection number of times.
7. method according to claim 6, it is characterised in that：Terminal is according to the face of acquisition the match is successful rate, people
Face the match is successful rate scope and backlight close period modulation Policy Table, and the process in the backlight closing cycle after being adjusted is：
If the face the match is successful rate is more than or equal to the second preset value, the backlight after adjustment closes the cycle and is：(1+ faces
Rate that the match is successful) × T；
If the face the match is successful rate is less than the second preset value, the backlight after adjustment closes the cycle and is：The match is successful for face
Rate × T；Wherein, T is constant.
8. according to the method described in claim 1, it is characterised in that：Terminal obtains face the match is successful rate scope and backlight is closed
The mode of period modulation Policy Table includes：Terminal itself storage face the match is successful rate scope and backlight close period modulation strategy
Table or terminal obtain face the match is successful rate scope from strategy controller and backlight closes period modulation Policy Table.
9. one kind continues back light system automatically based on recognition of face, it is characterised in that including terminal, strategy controller；Wherein, institute
Terminal is stated to be joined directly together with the strategy controller；
The terminal, when being less than preset value for detecting the distance between face and terminal screen, terminal screen backlight is lighted
And set the backlight closing cycle；When being additionally operable to the arrival of backlight closing cycle, the terminal is by the human face image information of acquisition with depositing
The face characteristic information of storage is compared, if the match is successful, enters next backlight and closes the cycle；When being additionally operable to count default
Face datection number of times, face the match is successful number of times and matched into section according to the Face datection number of times, the face of acquisition
Work(number of times, according to preset strategy, obtains face the match is successful rate；
The strategy controller, for providing face the match is successful rate scope to the terminal and backlight closes period modulation strategy
Table；
The terminal, is additionally operable to be closed according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Period modulation Policy Table, the backlight after being adjusted closes the cycle.
10. one kind continues backlight terminal automatically based on recognition of face, it is characterised in that including detection module, comparison module, statistics
Computing module, adjusting module；Wherein, the detection module is connected by the comparison module with the statistics computing module；Institute
Comparison module is stated by the statistics computing module with the adjusting module to be connected；
The detection module, when being less than preset value for detecting the distance between face and terminal screen, terminal screen backlight
Light and set backlight and close the cycle and send the backlight closing cycle to the comparison module；
The comparison module, when closing cycle arrival for backlight, by the human face image information of acquisition and the face characteristic of storage
Information is compared, if the match is successful, enters next backlight and closes the cycle；
The statistics computing module, the match is successful for counting Face datection number of times, face in preset period of time number of times and according to obtaining
The Face datection number of times, the face the match is successful number of times, according to preset strategy, obtain face the match is successful rate and will
The match is successful that rate is sent to the adjusting module for the face obtained；
The adjusting module, for being closed according to the face of acquisition the match is successful rate, face the match is successful rate scope and backlight
Closed cycle phase adjustable strategies table, the backlight after being adjusted closes the cycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572376.XA CN104460985B (en) | 2014-10-23 | 2014-10-23 | One kind continues backlight approach, system and terminal automatically based on recognition of face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572376.XA CN104460985B (en) | 2014-10-23 | 2014-10-23 | One kind continues backlight approach, system and terminal automatically based on recognition of face |
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| Publication Number | Publication Date |
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| CN104460985A CN104460985A (en) | 2015-03-25 |
| CN104460985B true CN104460985B (en) | 2017-09-26 |
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ID=52907178
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| CN201410572376.XA Active CN104460985B (en) | 2014-10-23 | 2014-10-23 | One kind continues backlight approach, system and terminal automatically based on recognition of face |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375539A (en) * | 2015-07-21 | 2017-02-01 | 中兴通讯股份有限公司 | Missed incoming call reminding method and apparatus and called terminal |
| CN106406714A (en) * | 2015-08-03 | 2017-02-15 | 中兴通讯股份有限公司 | Method and device for automatically regulating screen backlight |
| CN106067043A (en) * | 2016-06-01 | 2016-11-02 | 重庆中科云丛科技有限公司 | A kind of performance test methods and system |
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| CN103019381A (en) * | 2012-12-14 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method for controlling automatic backlight of display screen |
| CN103578445A (en) * | 2012-07-27 | 2014-02-12 | 富泰华工业（深圳）有限公司 | Electronic device for adjusting screen resolution or brightness and screen adjustment method thereof |
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| CN102594999A (en) * | 2012-01-30 | 2012-07-18 | 郑凯 | Method and system for performing adaptive mobile phone energy conservation through face identification |
| CN103578445A (en) * | 2012-07-27 | 2014-02-12 | 富泰华工业（深圳）有限公司 | Electronic device for adjusting screen resolution or brightness and screen adjustment method thereof |
| CN103019381A (en) * | 2012-12-14 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method for controlling automatic backlight of display screen |
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