CN103220583A - System and method for detecting user fatigue degree based on smart television - Google Patents
System and method for detecting user fatigue degree based on smart television Download PDFInfo
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Abstract
The invention relates to the field of a smart television, and discloses a method for detecting user fatigue degree based on the smart television. The method detects the fatigue degree of a user, and controls the smart television to do corresponding actions so as to remind the user to rest in time and avoid generating resource waste during booting while the user sleeps. The method comprises the following steps of after capturing facial images by an infrared camera built-in the front end of the smart television, reflecting different image gray values of 850nm and 940nm wavelength infrared rays under the condition of detecting that the retina and the other positions of the face are in the same illuminance, so as to exactly position eyes of the user; and judging and analyzing the eyes of the user in ream time, detecting the closing states of the eyes, judging the fatigue degree of the detected user, and starting timed poweroff and reminding functions of the television according to set rules. Furthermore, the invention discloses a corresponding system for detecting the user fatigue degree based on the smart television, and the system is suitable for the smart television.
Description
Technical field
The present invention relates to the intelligent television field, specifically, relate to a kind of system and method that utilizes that technology such as recognition of face, eyes location, image processing and PERCLOS (Percent Eye Closure) value calculating realizes based on the detection human fatigue degree of intelligent television.
Background technology
In recent years, the development of intelligent TV was own through like a raging fire, and increasing technology has obtained on TV using and realized, intellectuality is doomed to become the TV industry interior development trend coming years.Emerging in an endless stream of notions such as speech recognition, gesture identification, cloud TV also attracted all big enterprises and user's concern, how to allow TV is intelligent more to become very powerful and exceedingly arrogant topic.If the intelligent television terminal equipment can be combined with face recognition technology, fatigue state by the testing staff, and activation TV timing shutdown function, thereby the prompting user should in time have a rest, the wasting of resources that can avoid injury that current social people cause health because of bad habit such as sleep evening and start sleep to produce.Therefore, propose a kind of fatigue detecting system and method, be necessary very much based on intelligent television.
Summary of the invention
Technical problem to be solved by this invention is: the system and method that proposes a kind of detection human fatigue degree based on intelligent television, degree of fatigue to the user detects, and control intelligent television and make relevant action, thereby remind the user in time to have a rest, avoid the wasting of resources of starting shooting and sleeping and producing.
The scheme that the present invention solves the problems of the technologies described above employing is: the system based on the detection human fatigue degree of intelligent television comprises:
The facial image capture module is used to utilize the built-in camera of intelligent television front end that people's face is carried out Dynamic Recognition, and the image of discerning is transferred to the human eye locating module;
The human eye locating module is used for by detecting retina and facial other position under the situation of same light illumination, and different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
Image processing module is used to cooperate the human eye locating module to finish image subtraction, eye position tracking, the compensation of eyes area and computing function;
Human eye closure state analysis module is used to calculate the shared time scale value of eyes closed state within a certain period of time, and this value is transferred to data comparison module;
Data comparison module is used for the time scale value that will obtain from human eye closure state analysis module and the tired threshold limit value of presetting and compares, and comparative result is fed back to data processing module;
Whether data processing module is used for sending to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the instruction of prompt facility.
Further, described human eye closure state analysis module by the record eyes open, closed number of times and the moment of beginning and end thereof, adopt the PERCLOS computational methods to calculate the shared time scale value in total gate time of eyes closed state within a certain period of time.
Further, whether described data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the concrete grammar of the instruction of prompt facility is: if in the comparing result, the time scale value is greater than default tired threshold limit value, then sends to television set and regularly closes and the instruction of prompt facility; Otherwise, then do not send command adapted thereto to television set.
In addition, another object of the present invention is to, propose a kind of method of the detection human fatigue degree based on intelligent television, this method may further comprise the steps:
A. the facial image capture module carries out Dynamic Recognition to people's face, and the image of discerning is transferred to the human eye locating module;
B. the human eye locating module is by detecting retina and facial other position under the situation of same light illumination, and different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
C. image processing module cooperates the human eye locating module to finish image subtraction, eye position tracking, the compensation of eyes area and computing function;
D. human eye closure state analysis module calculates the shared time scale value of eyes closed state within a certain period of time, and this value is transferred to data comparison module;
E. data comparison module will compare from human eye closure state analysis module time scale value of obtaining and the tired threshold limit value of presetting, and comparative result is fed back to data processing module;
F. whether data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the instruction of prompt facility.
Further, in the steps d, described human eye closure state analysis module by the record eyes open, closed number of times and the moment of beginning and end thereof, adopt the PERCLOS computational methods to calculate the shared time scale value in total gate time of eyes closed state within a certain period of time.
Further, among the step f, whether described data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the concrete grammar of the instruction of prompt facility is: if in the comparing result, the time scale value is greater than default tired threshold limit value, then sends to television set and regularly closes and the instruction of prompt facility; Otherwise, then do not send command adapted thereto to television set.
The invention has the beneficial effects as follows: the fatigue strength to the intelligent television user detects in real time, the ratio value that accounts for the tale time when the time of eyes closed within a certain period of time of calculating is during greater than default tired threshold limit value, judge the current fatigue state that is in of user, then send to television set and regularly close and the instruction of prompt facility by data processing module, the prompting user needs in time to have a rest, also avoided because the wasting of resources that the start sleep produces, the solution of the present invention also is the another expansion to the intelligent television function in addition, thereby promotes the market competitiveness of intelligent television.
Description of drawings
Fig. 1 is the system configuration schematic diagram based on the detection human fatigue degree of intelligent television among the present invention;
Fig. 2 is the method flow diagram based on the detection human fatigue degree of intelligent television among the embodiment.
Embodiment
The present invention proposes a kind of system and method for the detection human fatigue degree based on intelligent television, and user's degree of fatigue detects, and the control intelligent television makes relevant action, thereby reminds the user in time to have a rest, the wasting of resources that the sleep of avoiding starting shooting produces.The solution of the present invention can be summarized as follows: by the built-in infrared camera of intelligent TV set front end, after capturing facial image, by detecting retina and facial other position under the situation of same light illumination, different to 850nm and 940nm wavelength infrared reflection gradation of image value, and accurately locate people's eyes.Thereby the eyes to the people carry out real-time discriminatory analysis, detect the closure state of human eye, judge detected personnel's degree of fatigue, and open TV according to the rule of setting and regularly close and prompt facility.
Referring to Fig. 1, the system based on the detection human fatigue degree of intelligent television among the present invention comprises following part:
A, facial image capture module:, under the condition of infrared and visible light fusion, people's face is carried out Dynamic Recognition by the built-in infrared camera of intelligent TV set front end;
B, human eye locating module: by detecting retina and facial other position under the situation of same light illumination, different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
C, image processing module: mainly finish image subtraction, eye position tracking, the compensation of eyes area and calculating etc.;
D, human eye closure state analysis module: calculate the shared time scale of eyes closed within a certain period of time by PERCLOS;
E, data comparison module: be used for the time scale value that to obtain from human eye closure state analysis module and the tired threshold limit value of presetting and compare, comparative result is fed back to data processing module; Here " tired threshold limit value " also is the preset ratio value that accounts for total time the eyes closed state time, should be worth desirable 0.15 in the present invention;
F: data processing module: receive comparison result from fatigue detecting system sent, opening TV according to the rule of setting regularly closes and prompt facility: if in the comparing result, the time scale value is greater than default tired threshold limit value, then sends to television set and regularly closes and the instruction of prompt facility; Otherwise, then do not send command adapted thereto to television set, continue to detect the human fatigue degree.
Realize in this example based on the flow process of the method for the detection human fatigue degree of intelligent television referring to Fig. 2, it comprises:
1, people's face is caught: promptly by the built-in infrared camera of intelligent TV set front end, under the condition of infrared and visible light fusion people's face is carried out Dynamic Recognition;
2, human eye location: promptly by detecting retina and facial other position under the situation of same light illumination, different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
3, image processing: promptly cooperate the human eye locating module to finish image subtraction, eye position tracking, the compensation of eyes area and computing function, specifically, the eye position and the calculating eyes area that are exactly the detected personnel of real-time tracking (by the number of the white pixel in the compute location zone, calculate the eyes area; When eyes were opened fully, white pixel was maximum, and when eyes are fully closed the area minimum), and constantly revise the relative variation of eyes and the eyes area change that causes with the checkout equipment distance;
4, analyze the human eye closure state: promptly by the record eyes open, closed number of times and the moment of beginning and end thereof, adopt the PERCLOS computational methods to calculate the shared time scale value (representing with Q among Fig. 2) in total gate time of eyes closed state within a certain period of time;
5, numerical value contrast: eyes closed state shared time scale value Q in total gate time compares with the tired threshold limit value of presetting in the certain hour that is about to calculate by the PERCLOS computational methods, and tired threshold limit value default in this example gets 0.15;
6, data processing: receive comparing result,, need in time to have a rest, then send and regularly close and the instruction of prompt facility to television set if Q greater than 0.15, judges that then the active user is in fatigue state; Otherwise, then do not send command adapted thereto to television set, continue to detect user's fatigue state.
Claims (6)
1. based on the system of the detection human fatigue degree of intelligent television, it is characterized in that, comprising:
The facial image capture module is used to utilize the built-in camera of intelligent television front end that people's face is carried out Dynamic Recognition, and the image of discerning is transferred to the human eye locating module;
The human eye locating module is used for by detecting retina and facial other position under the situation of same light illumination, and different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
Image processing module is used to cooperate the human eye locating module to finish image subtraction, eye position tracking, the compensation of eyes area and computing function;
Human eye closure state analysis module is used to calculate the shared time scale value of eyes closed state within a certain period of time, and this value is transferred to data comparison module;
Data comparison module is used for the time scale value that will obtain from human eye closure state analysis module and the tired threshold limit value of presetting and compares, and comparative result is fed back to data processing module;
Whether data processing module is used for sending to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the instruction of prompt facility.
2. the system of the detection human fatigue degree based on intelligent television as claimed in claim 1, it is characterized in that, described human eye closure state analysis module by the record eyes open, closed number of times and the moment of beginning and end thereof, adopt the PERCLOS computational methods to calculate the shared time scale value in total gate time of eyes closed state within a certain period of time.
3. the system of the detection human fatigue degree based on intelligent television as claimed in claim 1 or 2, it is characterized in that, whether described data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the concrete grammar of the instruction of prompt facility is: if in the comparing result, the time scale value is greater than default tired threshold limit value, then sends to television set and regularly closes and the instruction of prompt facility; Otherwise, then do not send command adapted thereto to television set.
4. based on the method for the detection human fatigue degree of intelligent television, it is characterized in that this method may further comprise the steps:
A. the facial image capture module carries out Dynamic Recognition to people's face, and the image of discerning is transferred to the human eye locating module;
B. the human eye locating module is by detecting retina and facial other position under the situation of same light illumination, and different to 850nm and 940nm wavelength infrared reflection gradation of image value are separated eyes part and face remainder, carry out the human eye location;
C. image processing module cooperates the human eye locating module to finish image subtraction, eye position tracking, the compensation of eyes area and computing function;
D. human eye closure state analysis module calculates the shared time scale value of eyes closed state within a certain period of time, and this value is transferred to data comparison module;
E. data comparison module will compare from human eye closure state analysis module time scale value of obtaining and the tired threshold limit value of presetting, and comparative result is fed back to data processing module;
F. whether data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the instruction of prompt facility.
5. the method for the detection human fatigue degree based on intelligent television as claimed in claim 4, it is characterized in that, in the steps d, described human eye closure state analysis module by the record eyes open, closed number of times and the moment of beginning and end thereof, adopt the PERCLOS computational methods to calculate the shared time scale value in total gate time of eyes closed state within a certain period of time.
6. as the method for claim 4 or 5 described detection human fatigue degree based on intelligent television, it is characterized in that, among the step f, whether described data processing module sends to television set according to the comparative result decision of obtaining from data comparison module and regularly closes and the concrete grammar of the instruction of prompt facility is: if in the comparing result, the time scale value is greater than default tired threshold limit value, then sends to television set and regularly closes and the instruction of prompt facility; Otherwise, then do not send command adapted thereto to television set.
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| CN108388342A (en) * | 2018-02-11 | 2018-08-10 | 广东欧珀移动通信有限公司 | Electronic device, apparatus control method and Related product |
| CN110363132A (en) * | 2019-07-09 | 2019-10-22 | 北京字节跳动网络技术有限公司 | Biopsy method, device, electronic equipment and storage medium |
| CN110363132B (en) * | 2019-07-09 | 2021-08-03 | 北京字节跳动网络技术有限公司 | Living body detection method, living body detection device, electronic apparatus, and storage medium |
| WO2021073187A1 (en) * | 2019-10-17 | 2021-04-22 | 深圳创维－Rgb电子有限公司 | Television and television control method and control device thereof, and readable storage medium |
| CN113449670A (en) * | 2021-07-09 | 2021-09-28 | 浙江正元智慧科技股份有限公司 | Drowsiness detection method based on human eye state |
| CN113449670B (en) * | 2021-07-09 | 2022-04-15 | 浙江正元智慧科技股份有限公司 | Drowsiness detection method based on human eye state |
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