CN106792177A - A kind of TV control method and system - Google Patents
A kind of TV control method and system Download PDFInfo
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- CN106792177A CN106792177A CN201611231297.8A CN201611231297A CN106792177A CN 106792177 A CN106792177 A CN 106792177A CN 201611231297 A CN201611231297 A CN 201611231297A CN 106792177 A CN106792177 A CN 106792177A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4882—Data services, e.g. news ticker for displaying messages, e.g. warnings, reminders
Abstract
The invention discloses a kind of TV control method and system, the method includes：When televise TV programme when, detection TV before whether there is face；When there is face, recognition of face is carried out to face, to determine whether to have carried out the user of information gathering；When being when having carried out the user of information gathering by recognition of face, the length or width of imaging size of the detection face in image；From the distance between the size and TV of the image of each user for gathering in advance and people corresponding relation, the distance between size and TV and the people of the face image of user corresponding relation is obtained；Using the corresponding relation for getting, the distance between the length or width calculation TV and face of the imaging size in the image of user；Whether judging distance is more than or equal to the permission distance threshold of the user being previously obtained, if it is not, then sending the prompting for increasing TV and the distance between face.
Description
Technical field
The present invention relates to intelligent appliance field, more particularly to a kind of TV control method and system.
Background technology
With the development of network technology, people can watch the resources of movie ＆ TV by network, this extreme enrichment text of people
Metaplasia is lived.But, the numerous of TV resource also generate many negative impacts to being in the child in muddled period.Many children
Son is crazy about TV, and the first thing that classes are over goes back home daily is exactly to see TV, has greatly delayed the school grade of child.There is tune
Look into and find that 99% children like seeing TV that their interest to TV are far better than music etc. of reading a book, play games, listen.Just reach
Child's result in year early just when having risen " videophile ".Father and mother are to moil the mosts of the time of one day, accompany child
The time of son is all child's usually Home Alone after coming off duty, and often the autocontrol force and discrimination power of child all in into
For a long time, the plot of some on TV may be imitated, so as to move towards the life direction of mistake.Meanwhile, if child sinks for a long time
Drown in TV, physiology and psychology can also be affected.Also, in daily, parent because work it is busy the reason for, often
Child, child often are had no time to attend in view of self-control is poor, frequent close-range TV view.
At present, existing TV control system, some utilization eyeballs and pupil identification kinsfolk, this technology need to take
Biometric apparatus are carried, relatively costly, in family's actual scene, small eyeball and pupil image are very to identification
Big technical barrier, and this system needs to re-assembly existing system.In anti-closely viewing, carry at present all
It is infrared inductor, in addition to increasing the cost of purchase infrared equipment, because this equipment can sense to all live bodies, multiple
Miscellaneous home scenarios produce the probability of erroneous judgement very big (for example, pet is judged by accident), and passage over time also has the problem of ageing equipment
Along with.
Old state's inscription《Intelligent television control system》What is proposed is to recognize kinsfolk using eyeball, and algorithm is by collection, knowledge
Not, inquiry, recommendation, control, interaction, broadcasting, management module are constituted.During normal use, in advance by the eye of kinsfolk
Ball characteristic information is stored in intelligent television and registered, and assigns different user rights.Acquisition module is obtained by camera
The eyeball characteristic information at family is taken, the eyeball characteristic information that then will be collected is sent to identification module, identification module passes through eye
The analysis of ball identification technology obtains the corresponding user type of eyeball characteristic information, and eyeball identification technology can only be directed to the anti-of biological living
Penetrate and be identified, photo, video cannot be identified, it is to avoid cause to assign the access right of mistake because of photo or video,
The child of family is prevented to be not belonging to the authority of child using some using the photo of keeper, by the result queries of identification module
The corresponding user right information of class of subscriber, can push away after having confirmed authority information according to the viewing record and user type of user
Relevant information is recommended, and according to the interactive operation between the output control user of enquiry module and intelligent television.
What the such scheme of old state's inscription was proposed is to recognize kinsfolk using eyeball, it is necessary to be set using the bio-identification of specialty
Standby, cost is higher, and identification technology is relative complex, it is difficult to be applicable general family.In addition, the superfine people of Wang Xing《Intelligence
Can TV control method and device》TV control is realized using fingerprint, fingerprint has imitation property, and in staff perspiration, decortication
In the case of rate of false alarm it is very high；What Yang Mao et al. was delivered《TV control method and TV control system》Adopted by the shooting on TV
The pupil information of the people of acquisition means collection viewing TV is simultaneously processed to obtain pupil value, by the pupil value of the acquisition and institute
The pupil value critical field for stating the people of normal viewing TV is compared, and corresponding TV control operation is carried out according to comparative result,
Volume, video screen brightness, video screen display font size or dormancy shutdown of intelligent television etc. are controlled, but without reality
The technology operability of border scene；Monarch's Yu Wen《It is anti-closely to see control device of the tv》With the victory of fourth million《Control device of the tv》It is by red
It is outer to wait inductor to realize the sensing of live body, but cannot be distinguished by the pet in family and kinsfolk, and when people stand up through
Cross TV or people lies in sofa and sees that TV (pin is close from TV) will also result in erroneous judgement, False Rate is higher；Xu Xiang swallows《TV control
Method and system processed》, it is analyzed come the viewed status to user by the body contour image for detecting user, with identifying user
Sitting behavior and reminded, such that it is able to avoid user because in unconsciously long-time sitting to body caused by it is bad
Influence, watches under people can get up to move and ignores system without actual directiveness, while also can be to people's (TV in practice
Fan) think continuously to finish watching a complete film (《A Fanda》) produce interfere.
In addition, when long-time nobody watches TV, in addition it is also necessary to can automatically make television standby, to realize more excellent section
Electrical efficiency.At present, many technical schemes are to pre-set certain duration, and providing economize on electricity more than duration reminds, this duration
Setting can not simultaneously meet the demand of kinsfolk, and can frequently occur economize on electricity prompting in the time of having a rest, cause to be stranded to user
Disturb, the efficiency of economize on electricity is very low.For example, Huang Hongji《TV control method and associated television》Whether detection human eye eyelid closes is sentenced
Disconnected people has slept, and carries out economize on electricity setting, and in the tracking technique of family's Scene realization eyelid, the difficulty of realization is very high；Li Ying
Person of outstanding talent's et al.《TV control method and device》, record television plays the playing duration of TV programme, if the playing duration is big
When the first preset duration, then the TV is closed, the method sets machinery, it is impossible to meet the need of differentiation between kinsfolk
Ask.
Accordingly, it would be desirable to a kind of more accurate, stabilization method and system for preventing close-range TV view.
The content of the invention
In order to solve the problems, such as to prevent kinsfolk's close-range TV view in the prior art, it is proposed that a kind of TV control
Method and system.
According to an aspect of the invention, there is provided a kind of TV control method, methods described includes：
When televise TV programme when, detection TV before whether there is face；
When there is face, recognition of face is carried out to face, to determine whether to have carried out the user of information gathering；
When being when having carried out the user of information gathering by recognition of face, imaging size of the detection face in image
Length or width；
From the distance between the size of the image of each user of advance collection and TV and people corresponding relation, obtain
The distance between the size and TV of the face image of the user and people corresponding relation；
Using the corresponding relation for getting, the length or width gauge of the imaging size in the image according to the user
Calculate the distance between TV and face；
Judge whether the distance is more than or equal to the permission distance threshold of the user being previously obtained, if it is not, then hair
Go out to increase the prompting of TV and the distance between face.
Wherein, methods described also includes the step of carrying out information gathering to user：
The distance of user distance TV is received, and detects imaging of the face of the user at the distance in image
The length or width of size；
Age information and television sizes information according to user generate the permission distance threshold.
Wherein, the length or width calculation TV and face of imaging size of the face in image according to detection it
Between distance include：
The distance between TV and face are calculated based on following formula：Wherein LIt is realIt is the TV for calculating
With the distance of face, FIt is realIt is the length or width of imaging size of the face of detection in image, LMarkIt is that described information is adopted
The distance of the kinsfolk and TV, F in collection stepMarkIt is the face detected in described information acquisition step in image
It is imaged the length or width of size.
Wherein, methods described also includes：
If it is determined that when the distance is more than or equal to the permission distance threshold, then being calculated according to the distance and playing electricity
Depending on image parameter and/or audio parameter that program will be used, and based on the described image parameter and/or the audio parameter for calculating
Play TV programme.
Wherein, methods described also includes：
When televise TV programme when, and when there is face before being not detected by TV, to being not detected by face
Time carries out timing, and when the time for being not detected by face the very first time threshold value of setting is exceeded, sending is carried out at economize on electricity
The prompting of reason.
Wherein, after the prompting for sending node processing, also include：
Time to not receiving to the response of the prompting carries out timing, when the sound not received to the prompting
When the time answered exceedes the second time threshold of setting, TV is set to enter standby mode.
According to another aspect of the present invention, a kind of TV control system is additionally provided, the system includes：
Face detection module, for when televise TV programme when, detection TV before whether there is face；
Face recognition module, for when the face detection module detects the presence of face, face knowledge being carried out to face
Not, determining whether to have carried out the user of information gathering；
Face image-forming module, for being the user that has carried out information gathering by recognition of face when the face recognition module
When, the length or width of imaging size of the detection face in image；
Computing module, the size for the image of each user from advance collection is right with the distance between people with TV
In should being related to, the distance between size and TV and the people of the face image of user corresponding relation is obtained, using obtaining
The corresponding relation got, the length or width calculation TV of the imaging size in the image according to the user and face it
Between distance；
Judge module, for judging whether the distance is more than or equal to the permission of the user being previously obtained apart from threshold
Value；
Prompting sends module, for judging permission distance threshold of the distance less than the user when the judge module
When, send the prompting for increasing TV and the distance between face.
Wherein, the system also includes：
Receiver module, the distance of user and TV, the age information of user and TV chi when being gathered for receive information
Very little information；
The face image-forming module is additionally operable to be detected at this after the receiver module receives distance of the user with TV
The length or width of imaging size of the face in image at distance；
The computing module is additionally operable to generate the permission distance according to the age information and television sizes information of user
Threshold value.
Wherein, the computing module is additionally operable to calculate the distance between TV and face based on following formula：
Wherein LIt is realIt is the distance of the TV and face for calculating, FIt is realIt is imaging size of the face of detection in image
Length or width, LMarkIt is the distance of the kinsfolk and TV in described information acquisition step, FMarkIt is described information acquisition step
The length or width of imaging size of the face of middle detection in image.
Wherein, the computing module is additionally operable to when the distance is judged more than or equal to the permission distance threshold, root
Calculated according to the distance and play image parameter and/or audio parameter that TV programme will be used；
And the system also includes：Playing module, for playing electricity based on the image parameter and/or audio parameter that calculate
Depending on program.
Wherein, the system also includes：
Timing module, for when televise TV programme when, and when the face detection module is not detected by TV
Before when there is face, the time to being not detected by face carries out timing, and setting is exceeded when the time for being not detected by face
During very first time threshold value, notify that the prompting sends module and sends the prompting for carrying out economize on electricity treatment.
Wherein, the timing module is additionally operable to carry out timing to the time not received to the response of the prompting, works as institute
State and do not receive when exceeding the second time threshold of setting to time of the response of the prompting, notify that TV enters standby mould
Formula.
TV control method and system in the present invention, the camera carried by TV, according to the two dimension of recognition of face
Information, calculates the depth information of its current scene, provides beholder's viewing ratio, and according to the reality of current home member
Border viewing distance, font, brightness, the saturation degree of adjustment display screen that adjust automatically video screen shows, adjusts the volume of TV
(heighten/turn down).If conversely, algorithm judges that current distance is not suitable for watching TV, warning prompt can be provided to beholder, from
And the distance that kinsfolk watches TV is little by little constrained, that cultivates health sees television habits.Meanwhile, family TV one is headed straight for
The situation of unmanned viewing can be filtered effectively, and the effect of reduction family expense has also been reached while economizing on resources.
Distance perspective based on recognition of face of the invention is answered, well in the case of the identity for identifying current live body, together
When give different home member distinctionsization viewing ratio feedback.Face knowledge is carried out using the camera of TV
Not, recognizer precision, accuracy rate are high, without equipment cost, to the load scene strong adaptability of family.Current recognition of face is calculated
Method is more ripe than fingerprint, pupil, eyeball identification technology, and accuracy rate is higher, and the anti-interference for illumination, noise is more stable, and
Carry whole system to be more convenient, without adding new equipment, can fast and easily carry whole system.Recognition of face of the invention away from
From sensing, the distance perspective compared to infrared inductor should can more meet the demand of different home member.Face recognition technology is ripe,
Any scene all has applicability, without any equipment cost, accesses existing camera device, and system access is simply square
Just.
In addition, the power-saving module based on face of the invention, is the startup economize on electricity of dynamic self adaptation, can meet whole
The demand of family, and be intelligent portable, electric energy is higher.This power-saving module based on recognition of face is more solid than setting
The algorithm fixed time, electric energy is more excellent.
For above-mentioned phenomenon, the present invention proposes a kind of method of effective control TV viewing habits, cultivates house person
Correct viewing custom.The present invention is the TV control system based on face recognition technology, by the face for gathering kinsfolk
Image, generates the characteristic vector of face, ultimately forms the face database of family.According to the image that camera is gathered, face knowledge is carried out
Not, the identity of kinsfolk is recognized, the feedback of the viewing ratio of different members is given.With the development of image technique, people
Face identification technology has reached its maturity, compared to the accuracy of identification that fingerprint has irreplaceability and Geng Gao, and current face
Recognizer is more stablized to objective environments such as light, noises, many financial circles be all proposed payment based on recognition of face and
Balance system, the reliability of bright its method of sequitur.With the upgrading of domestic hardware facility, face recognition algorithms can be used as embedded
The forms such as module, SDK modules, there is provided face recognition technology.At present, the TV of family's purchase is all equipped with camera, and the present invention is only
The image stream of current device need to be accessed, other modules need not do any change.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of TV control method of the invention；
Fig. 2 is camera acquisition schematic diagram of the invention；
Fig. 3 is kinsfolk's information gathering flow chart of the invention；
Fig. 4 is the derivation schematic diagram of calculating TV of the invention and face distance
Fig. 5 is the specific embodiment of TV control method of the invention；
Fig. 6 is the schematic diagram of TV control system of the invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Need
Illustrate, in the case where not conflicting, the feature in embodiment and embodiment in the application can mutually be combined.
The invention provides a kind of TV control method.As shown in figure 1, the method includes：
Step 101, when televise TV programme when, detection TV before whether there is face；
Step 102, when there is face, recognition of face is carried out to face, to determine whether to have carried out information gathering
User；
Wherein, the user for carrying out information gathering can be that often to watch the kinsfolk of the TV can also infrequently see
See the non-family members of the TV, such as guest etc..
Step 103, when being when having carried out the user of information gathering by recognition of face, detection face in image into
As the length or width of size；
Step 104, closes from the size of the image of each user of advance collection is corresponding with the distance between TV and people
In system, the distance between size and TV and the people of the face image of user corresponding relation is obtained；
Step 105, using the corresponding relation for getting, the length of the imaging size in the image according to the user
The distance between or width calculation TV and face；
Step 106, judges whether above-mentioned distance is more than or equal to the permission distance threshold of the user being previously obtained, if
No, then sending increases the prompting of TV and the distance between face.
Sending at step 104 increases the prompting of TV and the distance between face, can be with the electricity of normal display
Form depending on ejecting dialog on picture, it is also possible to except ejection dialogue does not show normal television image outside window, to force user,
Such as kinsfolk backs to the viewing distance of permission.
It should be noted that, it is necessary to perform the step of carrying out information gathering to user before recognition of face is carried out：Receive
User distance TV distance (distance can by user according to information gathering when actual range be input in TV) and
The length or width of imaging size of the face of the user at the distance in image are detected, and according to the age of user
Information and the generation of television sizes information allow distance threshold.
According between the length or width calculation TV and face of imaging size of the face for detecting in image
Distance includes calculating the distance between TV and face based on following formula：
Wherein LIt is realIt is the distance of the TV and face for calculating, FIt is realIt is imaging size of the face of detection in image
Length or width, LMarkIt is the distance of the kinsfolk with TV of collection in information gathering step, FMarkIn being information gathering step
The length or width of imaging size of the face of detection in image.
Fig. 2 shows the schematic diagram that the camera on TV is acquired to the face of user.Wherein, subscriber station is in shooting
Head front, 201 represent camera in figure, and 202 represent TV, and face is apart from camera when 203 expressions are acquired to user
Distance, 204 represent the acquisition range of camera.
Fig. 3 shows the idiographic flow that information gathering is carried out to user.Wherein, in step 301, face collection is performed,
I.e. as shown in Fig. 2 subscriber station is in front of camera；In step 302, receive user distance TV distance, and this away from
The length or width of imaging size of the face detected from place in image, and store above-mentioned distance and imaging size
Length or width are in user information database；In step 303, the age information and television sizes information of the user according to collection
The permission distance threshold of each user is calculated, generation is directed to the permission distance threshold of each user and is saved in user information database.Example
Such as, the permission distance threshold of the user being calculated is：Father is 2.4 meters, and mother is 2.2 meters, and son is 2.8 meters, Nv Ershi
2.6 meters.
Fig. 4 shows the derivation of above-mentioned formula 3, that is, calculate the derivation of distance between TV and face.By Fig. 4
Understand：
Wherein, L1And L2It is the horizontal range of different faces collection image distance cameras, H1And H2It is camera in people
Face diverse location gathers the real space of image highly, F1And F2It is the figure in the corresponding face of above-mentioned each horizontal level in imaging
Pixel as in, W is the picture traverse of actual imaging.Thus, can obtain：
Wherein, LIt is realIt is the distance of TV to be calculated and face, FIt is realIt is that imaging of the face of detection in image is big
Small length or width, LMarkIt is the distance of the user with TV of collection in information gathering step, FMarkIn being information gathering step
The length or width of imaging size of the face of detection in image.
In addition, the TV control method also includes：After the prompting for increasing the distance between TV and face is sent, the cycle
Property ground calculate the distance between TV and face and whether judge above-mentioned distance more than or equal to allowing distance threshold, if it is,
Then stop sending the prompting for increasing TV and the distance between face.If above in addition to being pointed out except ejection dialog, also
Stop the normal television image of display, then after stopping sending prompting in this step, continue display TV picture.
In addition, the TV control method also includes：If it is determined that when above-mentioned distance is more than or equal to distance threshold is allowed, then
Calculated according to above-mentioned distance and play image parameter and/or audio parameter that TV programme will be used, and based on the image ginseng for calculating
Number and/or audio parameter play TV programme.Wherein, image parameter can include but is not limited to font that video screen shows,
Brightness, saturation degree of display screen etc.；Audio parameter can include but is not limited to volume, stereo etc..
The TV control method also includes economize on electricity process step：When televise TV programme when, and when being not detected by
When there is face before TV, the time to being not detected by face carries out timing, and setting is exceeded when the time for being not detected by face
During very first time threshold value, the prompting for carrying out economize on electricity treatment is sent.Further, it is also possible to not receiving to the response of the prompting
Time carries out timing, when do not receive the second time threshold of setting is exceeded to time of the response of the prompting when, make TV
Into standby mode.Very first time threshold value can be the time value between such as -1 hour 20 minutes, and the second time threshold can be with
It is the time value between such as -10 minutes 2 minutes.
Fig. 5 is flow chart according to a particular embodiment of the invention, and user therein is, for example, kinsfolk.
Step 501, carries out information gathering to kinsfolk, store each kinsfolk apart from the distance of TV and this away from
The length or width of imaging size of the face detected from place in image, and the permission being calculated is apart from threshold
Value；
Step 502, when playing TV programme, face is whether there is before detection TV；
Step 503, when there is face, recognition of face is carried out to face, determines whether to have carried out the family of information gathering
Front yard member, step 504 is performed when being identified as having carried out the kinsfolk of information gathering, otherwise performs step 506；
Step 504, facial image is gathered by camera, based on the use obtained from the user information database that information gathering is generated
The distance between the size of the face image at family and TV and people corresponding relation come calculate between TV and face away from
From, judge whether the distance is more than or equal to the permission distance threshold of the kinsfolk of storage, if performing step 506,
Step 505 is performed if not；
Step 505, sends the prompting for increasing the distance between TV and face, and periodically calculate TV and face it
Between distance and judge above-mentioned distance whether more than or equal to allow distance threshold, i.e. return to step 504；
Step 506, normal play TV, and the figure that broadcasting TV programme will be used is calculated according to the distance of TV and face
As parameter and/or audio parameter, and TV programme are played based on the image parameter and/or audio parameter for calculating；
Whether step 507, the face before detection TV disappears, if otherwise performing step 503, if it is performs step
508；
Step 508, carries out economize on electricity treatment, and the time to being not detected by face carries out timing, when face is not detected by
Between when exceeding the very first time threshold value of setting, such as 30 minutes, the prompting of the treatment that economize on electricity is sent, and to not receiving response
Time carry out timing, when do not receive response time exceed setting the second time threshold when, such as 2 minutes, make TV
Into standby mode.
Present invention also offers a kind of TV control system.As shown in fig. 6, the TV control system includes：
Face detection module 601, for when televise TV programme when, detection TV before whether there is face；
Face recognition module 602, for when face detection module 601 detects the presence of face, face being carried out to face
Identification, to determine whether to have carried out the user of information gathering；
Face image-forming module 603, for being the user that has carried out information gathering by recognition of face when face recognition module 602
When, the length or width of imaging size of the detection face in image；
Computing module 604, between the size and TV and people for the image of each user from advance collection away from
In corresponding relation, the distance between size and TV and the people of the face image of user corresponding relation, profit are obtained
With the corresponding relation for getting, the length of the imaging size in the image according to the user or width calculation TV and people
The distance between face；
Judge module 605, for judging whether the distance is more than or equal to the permission distance of the user being previously obtained
Threshold value；
Prompting sends module 606, for judging permission distance threshold of the above-mentioned distance less than user when judge module 605
When, send the prompting for increasing TV and the distance between face.
The system also includes：
Receiver module 607, the distance of user and TV, the age information of user and TV when being gathered for receive information
Dimension information；
Face image-forming module 603 is additionally operable to be detected after the receiver module 607 receives distance of the user with TV
The length or width of imaging size of the face in image at the distance；
Computing module 604 is additionally operable to according to the age information and television sizes information of user the generation permission apart from threshold
Value.
Computing module 604 is additionally operable to calculate the distance between TV and face based on following formula：
Wherein LIt is realIt is the distance of the TV and face for calculating, FIt is realBe detection face in image
In imaging size length or width, LMarkIt is the distance of the kinsfolk and TV in information gathering step, FMarkIt is that information is adopted
The length or width of imaging size of the face detected in collection step in image.
Wherein, computing module 604 is additionally operable to send module 606 and send in prompting increase distance between TV and face
After prompting, periodically calculate the distance between TV and face and whether judging distance is more than or equal to permission distance threshold；
Whether prompting sends module 606 and is additionally operable to judge above-mentioned distance more than or equal to permission distance when computing module 604
During threshold value, stopping sends the prompting for increasing TV and the distance between face.
Wherein, computing module 604 is additionally operable to when above-mentioned distance is judged more than or equal to distance threshold is allowed, according to above-mentioned
Distance is calculated plays image parameter and/or audio parameter that TV programme will be used；
And the system also includes：Playing module 608, for being played based on the image parameter and/or audio parameter that calculate
TV programme.
The system also includes：
Timing module 609, for when televise TV programme when, and when face detection module 601 is not detected by electricity
During depending on preceding there is face, the time to being not detected by face carries out timing, and the of setting is exceeded when the time for being not detected by face
During one time threshold, notify that prompting sends module 606 and sends the prompting for carrying out economize on electricity treatment.
Timing module 609 is additionally operable to carry out timing to the time not received to the response of the prompting, when not receiving
When time to the response of the prompting exceedes the second time threshold of setting, notify that TV enters standby mode.
In TV control method of the invention and system, employ based on face recognition technology apart from induction technology.
It is primarily based on facial image, television sizes, personal information and the viewing distance of kinsfolk's typing, adaptive generation recognition of face
Storehouse and permission distance threshold；Secondly, in the actually detected viewing TV to kinsfolk, can be according to the face size, mark demarcated
The length or width of the actual imaging size in fixed actual range and the current face's image for detecting, are carried out current
Viewing distance calculating, with the permission distance threshold contrast for calculating before, provide current home member viewing TV distance
Feedback guidance.In addition, additionally using the economize on electricity treatment technology based on recognition of face.Set time compared to before frequently provides section
The mode that electricity is reminded, the present invention can in real time, dynamically detect currently whether someone, in viewing TV, knows according to face in real time
Other result makes optimal economize on electricity time point, and provides the treatment measures of economize on electricity, and electric energy is higher.
On identification, existing identification technology has fingerprint recognition, bio-identification.Fingerprint does not have uniqueness, can imitate
The property made is stronger, and discrimination is relatively low in the case of hand is perspired, peeled.Bio-identification has iris recognition, the equipment cost of identification
All higher, the technical difficulty coefficient of identification is larger, and is not suitable for the home scenarios of complexity.At present, low cost, discrimination are high
Identification technology be namely based on the face recognition technology of image, existing face recognition technology mature has been able to identification
Face under live body, different angles, illumination condition.Kinsfolk's identification based on recognition of face of the invention, not only need not
Extra purchase equipment, additionally it is possible to convenient access system is relatively more convenient.For preventing close-range TV view, carried in the past
Infrared inductor, is all fixed range detection live body, and for having the less family of pet and parlor, False Rate is higher, sense
Answering the sensitivity of device can gradually reduce over time.And the distance measurement algorithm of face is based on, discrimination is higher, and algorithm
Performance will not also be changed over time, then complicated home environment also can adapt to.Further, recognized according to current face
Head portrait pixel, the permission distance threshold of kinsfolk can be inquired about, recommend optimal viewing distance to different kinsfolk.
TV control system of the invention can be generalized on various sizes of television equipment with parallel, it is not necessary to do any change.In addition,
For the treatment that TV economizes on electricity, the single solution for diverse problems compared to fixed duration is set, it is impossible to meet the demand of different home member, and timing is long
Frequent economize on electricity remind both hello prolixity, optimal economize on electricity treatment is not reached again.Power-saving module based on recognition of face, when not fixed
Between limitation, can any time be left in kinsfolk, the very first time makes optimal economize on electricity treatment, can hommization ground,
Efficient saving household electricity.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within protection scope of the present invention.
It should be noted that herein, term " including ", "comprising" or its any other variant be intended to non-row
His property is included, so that article or equipment including a series of key elements not only include those key elements, but also including not having
There are other key elements being expressly recited, or it is this article or the intrinsic key element of equipment also to include.Without more limits
In the case of system, the key element limited by sentence " including ... ", it is not excluded that in the article or equipment including the key element
Also there is other identical element.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those within the art that, technical scheme can be modified
Or equivalent, without deviating from the spirit and scope of technical solution of the present invention, all should cover in claim model of the invention
In the middle of enclosing.
Claims (12)
1. a kind of TV control method, it is characterised in that methods described includes：
When televise TV programme when, detection TV before whether there is face；
When there is face, recognition of face is carried out to face, to determine whether to have carried out the user of information gathering；
When being when having carried out the user of information gathering by recognition of face, the length of imaging size of the detection face in image
Or width；
From the distance between the size of the image of each user of advance collection and TV and people corresponding relation, obtain described
The distance between the size and TV of the face image of user and people corresponding relation；
Using the corresponding relation for getting, length or the width calculation electricity of the imaging size in the image according to the user
Depending on the distance between with face；
Judge whether the distance is more than or equal to the permission distance threshold of the user being previously obtained, if it is not, then sending increasing
Power-up regards the prompting with the distance between face.
2. the method for claim 1, it is characterised in that methods described also includes carrying out user the step of information gathering
Suddenly：
The distance of user distance TV is received, and detects imaging size of the face of the user at the distance in image
Length or width；
Age information and television sizes information according to user generate the permission distance threshold.
3. method as claimed in claim 1 or 2, it is characterised in that the imaging of face according to detection in image is big
The distance between small length or width calculation TV and face include：
The distance between TV and face are calculated based on following formula：Wherein LIt is realIt is the TV and people for calculating
The distance of face, FIt is realIt is the length or width of imaging size of the face of detection in image, LMarkIt is described information collection step
The distance of the kinsfolk and TV, F in rapidMarkIt is imaging of the face of detection in described information acquisition step in image
The length or width of size.
4. method as claimed in claim 3, it is characterised in that methods described also includes：
If it is determined that when the distance is more than or equal to the permission distance threshold, then being calculated according to the distance and playing TV Festival
Image parameter and/or audio parameter that mesh will be used, and played based on the described image parameter and/or the audio parameter for calculating
TV programme.
5. method as claimed in claim 4, it is characterised in that methods described also includes：
When televise TV programme when, and when there is face before being not detected by TV, the time to being not detected by face
Timing is carried out, when the time for being not detected by face the very first time threshold value of setting is exceeded, sending carries out treatment of economizing on electricity
Prompting.
6. method according to claim 5, it is characterised in that after the prompting for sending node processing, also include：
Time to not receiving to the response of the prompting carries out timing, is not received to the response of the prompting when described
When time exceedes the second time threshold of setting, TV is set to enter standby mode.
7. a kind of TV control system, it is characterised in that the system includes：
Face detection module, for when televise TV programme when, detection TV before whether there is face；
Face recognition module, for when the face detection module detects the presence of face, recognition of face being carried out to face, with
Determine whether to have carried out the user of information gathering；
Face image-forming module, for being when having carried out the user of information gathering by recognition of face when the face recognition module, inspection
Survey the length or width of imaging size of the face in image；
Computing module, for the size pass corresponding with the distance between TV and people of the image of each user from advance collection
In system, the distance between size and TV and the people of the face image of user corresponding relation is obtained, using getting
Corresponding relation, between the length or width calculation TV and face of the imaging size in the image according to the user
Distance；
Judge module, for judging whether the distance is more than or equal to the permission distance threshold of the user being previously obtained；
Prompting send module, for when the judge module judge the distance be less than the user permission distance threshold when,
Send the prompting for increasing TV and the distance between face.
8. TV control system as claimed in claim 7, it is characterised in that the system also includes：
Receiver module, the distance of user and TV, the age information of user and television sizes letter when being gathered for receive information
Breath；
The face image-forming module is additionally operable to be detected in the distance after the receiver module receives distance of the user with TV
The length or width of imaging size of place's face in image；
The computing module is additionally operable to generate the permission distance threshold according to the age information and television sizes information of user.
9. system as claimed in claim 7 or 8, it is characterised in that the computing module is additionally operable to be calculated based on following formula
The distance between TV and face：
Wherein LIt is realIt is the distance of the TV and face for calculating, FIt is realIt is the length of imaging size of the face of detection in image
Or width, LMarkIt is the distance of the kinsfolk and TV in described information acquisition step, FMarkIt is inspection in described information acquisition step
The length or width of imaging size of the face of survey in image.
10. system as claimed in claim 9, it is characterised in that
The computing module is additionally operable to when the distance is judged more than or equal to the permission distance threshold, according to the distance
Calculate and play image parameter and/or audio parameter that TV programme will be used；
And the system also includes：Playing module, for playing TV Festival based on the image parameter and/or audio parameter that calculate
Mesh.
11. systems as claimed in claim 10, it is characterised in that the system also includes：
Timing module, for when televise TV programme when, and deposited before the face detection module is not detected by TV
In face, the time to being not detected by face carries out timing, and the first of setting is exceeded when the time for being not detected by face
During time threshold, notify that the prompting sends module and sends the prompting for carrying out economize on electricity treatment.
12. systems as claimed in claim 11, it is characterised in that
The timing module is additionally operable to carry out timing to the time not received to the response of the prompting, is not received when described
When time to the response of the prompting exceedes the second time threshold of setting, notify that TV enters standby mode.
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| CN201611231297.8A CN106792177A (en) | 2016-12-28 | 2016-12-28 | A kind of TV control method and system |
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Application publication date: 20170531 |