CN201114421Y - A digital TV receiver - Google Patents
A digital TV receiver Download PDFInfo
- Publication number
- CN201114421Y CN201114421Y CNU2007201220080U CN200720122008U CN201114421Y CN 201114421 Y CN201114421 Y CN 201114421Y CN U2007201220080 U CNU2007201220080 U CN U2007201220080U CN 200720122008 U CN200720122008 U CN 200720122008U CN 201114421 Y CN201114421 Y CN 201114421Y
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Abstract
The utility model discloses a digital TV receiver which comprises an eye location camera element used for catching the image of the eyes of users, a face location camera element used for catching the image information of the faces of the users, a fatigue detection module used for analyzing the images of of the eyes and faces of the users caught, controlling the motion of the eye location camera element, judging the fatigue state of users, giving an alarm and sending interruption information to a master chip, and an alarm module used for receiving the alarm signals sent by the fatigue detection module and giving an alarm. The digital TV receiver of the utility model adds the fatigue detection system to a common digital TV receiver, thereby monitoring on the fatigue of the users for watching TV is realized in real time. The receiver of the utility model can be arranged on an automobile cockpit, be applied to monitoring the change of eye features of the drivers in real time and give an alarm sound in the event of fatigue as so to avoid traffic accident.
Description
Technical field
The utility model relates to the fatigue detecting technology field, is specifically related to a kind of digital television receiver that is used for fatigue monitoring.
Background technology
Along with people's growth in the living standard, increasing family has TV, and people can cause eye fatigue, hyperemia, livid ring around eye etc. when seeing TV for a long time; Long-term can cause with eye excessively that eyesight descends, blurred vision is unclear, the initiation hypometropia.China has nearly 300,000,000 people's eyes to suffer from myopia or kopiopia, wherein mainly is student and a large amount of people with eye.According to Beijing Tongren Hospital Beijing area primary school and junior middle school student are carried out the myopia investigation, it is 20.2% that the Beijing area pupil suffers from bathomorphic ratio, and the junior school student is 48.18%, this shows, the student is only several years from the primary school to the junior middle school, myopia patient has but turned over one times, and its increasing velocity is suitable fast.The Hangzhou Xihu District is red can hospital do health examination to the student who distinguishes interior 5 primary schools, found that the myopia of student eye of these 5 primary schools surpasses 50%, minimum ability 7 years old, the highest existing 700 degree of the myopia number of degrees.These numerals show that adolescent myopia is to put challenge in face of we head of a family, society, medical personnel.In the control of adolescent myopia, generally take to do eye exercises at present, note eye hygiene, between minimizing is used at the moment etc.Because teenager's self-care ability is poor, these method prevention effects are not obvious.
So, be starved of a kind of digital television receiver at present with kopiopia measuring ability, be used to avoid the program viewing user to cause hypometropia because of eye fatigue.
The utility model content
Cause hypometropia for fear of the program viewing user because of eye fatigue, the utility model provides a kind of digital television receiver with fatigue detecting function.
Digital television receiver of the present utility model, comprise master chip, infrared receiving circuit, described master chip receives the enabling signal from described infrared receiving circuit, and this digital television receiver also comprises: human eye positioning shooting head assembly, the eyes image that is used to catch the user; People's face positioning shooting head assembly is used to obtain user's face image information; The fatigue detecting module is used to analyze user's eye of being caught and face image, the action of the described human eye positioning shooting of control head assembly, judges user's fatigue state and report to the police, send interrupting information to described master chip.
Wherein, described fatigue detecting module comprises: first Video Decoder is used to receive the image information that described human eye positioning shooting head assembly sends and handles; Second Video Decoder is used to receive the image information that described people's face positioning shooting head assembly sends and handles; Random asccess memory is used for temporary transient memory system data; Dsp processor is used for handling in real time and analyzing and control the orientation that described human eye positioning shooting head assembly turns to the eye place from the video data of described first Video Decoder and second Video Decoder and according to the determined eye locations of analysis user face image; The FPGA processor, be used to store described dsp processor initialization data, send the Interrupt Process signal to described master chip; Flash memory is used for the storage system boot.
Wherein, described human eye positioning shooting head assembly comprises: first infrared light supply is used for providing light source to image capture module; First image capture module is used to obtain user's eyes image and is installed in The Cloud Terrace; The one MCU controller, the rotation control signal that is used to receive control signal, sends to The Cloud Terrace from described dsp processor, and the IMAQ of control first image capture module with exchange with the image information of described dsp processor; The Cloud Terrace is used for according to the control signal of a described MCU controller described first image capture module being navigated to user's eye orientation.
Wherein, described people's face positioning shooting head assembly comprises: second infrared light supply is used for providing light source to second image capture module; Second image capture module is used to obtain user's face image; The 2nd MCU controller is used to control described second image capture module collection user's eyes image and carries out image information by second Video Decoder and described dsp processor and exchanges.
Wherein, the image sensor element in described first image capture module adopts CCD imageing sensor or complementary matal-oxide semiconductor.Image sensor element in described second image capture module adopts CCD imageing sensor or complementary matal-oxide semiconductor.
Wherein, described dsp processor links to each other by the RS485 interface with a MCU controller of described human eye positioning shooting head assembly.
Wherein, described digital television receiver also comprises an alarm module, is used to receive the alarm signal of described fatigue detecting module, also generation warning.
Wherein, described alarm module comprises audio decoder and loudspeaker, and described audio decoder connects dsp processor, is used for the audio alarming signal of dsp processor output decoded exporting loudspeaker to.
Compared with prior art, the utility model has been realized the real-time monitoring to television-viewing human fatigue degree by increase a fatigue detecting system in digital television receiver commonly used.The infrared control signal that infrared receiving circuit reception remote controller of the present utility model sends is used to start receiver system of the present utility model, obtain the image information of user's eye in real time and compare judgement by human eye positioning shooting head assembly then, if compare with the eye feature under the normal condition, belong to fatigue state, the fatigue detecting module will start warning.Same, digital television receiver of the present utility model is installed in the car steering cabin, also can be used for monitoring in real time the eye feature variation of human pilot, if fatigue phenomenon is just sent alarm sound, the generation that avoids traffic accident.
Description of drawings
Fig. 1 is a digital television receiver internal structure schematic diagram of the present utility model;
Fig. 2 is the internal structure schematic diagram of human eye positioning shooting head assembly of the present utility model;
Fig. 3 is the cut-away view of people's face positioning shooting head assembly of the present utility model.
Embodiment
Below will describe each preferred embodiment of the present utility model in detail.
As shown in Figure 1, traditional digital television receiver inside comprises master chip 150 and infrared receiving circuit 160, the enabling signal that master chip 150 receives from infrared receiving circuit 160, and infrared receiving circuit 160 receives and sends control signal from remote controller 170.
The utility model is by adding in the inside of traditional digital television receiver: fatigue detecting module 110, human eye positioning shooting head assembly 120, people's face positioning shooting head assembly 130 and an alarm module 140 have made up a digital television receiver 100 with fatigue detecting function, and it can be used for the fatigue state of real-time monitor user ' human eye; The eyes image that human eye positioning shooting head assembly 120 is used to catch the user; People's face positioning shooting head assembly 130 is used to obtain user's face image information; Fatigue detecting module 110 is used to analyze user's eye of being caught and face image, controls described human eye positioning shooting head assembly 120 and take user's eyes images, judge user's fatigue state and report to the police, send interrupting information to described master chip 150 according to analyzing the determined position of human eye of face image; Alarm module 140 is used to receive the alarm signal of fatigue detecting module 110, also generation is reported to the police.The mode of this warning has a variety of, can adopt the mode that presents warning message on display, also can adopt fatigue detecting module 110 to send the mode of alarm sound, perhaps adopts to present the mode that warning message sends alarm sound simultaneously on display.
As shown in Figure 1, described fatigue detecting module 110 comprises: first Video Decoder 114, second Video Decoder 115, random asccess memory 112, dsp processor 118, FPGA (FieldProgrammable Gate Array, field programmable gate array) processor 116, I/O interface 117 and flash memory 111; First Video Decoder 114 is used to receive the image information that human eye positioning shooting head assembly 120 sends and is translated into digital signal, sends into dsp processor 118; Second Video Decoder 115 is used for the image information that recipient's face positioning shooting head assembly 130 sends and is translated into digital signal, sends into dsp processor 118; Random asccess memory 112 is used for temporary transient memory system data; Dsp processor 118 is used for handling in real time and analyzing from the video data of first Video Decoder 114 and second Video Decoder 115 and according to the determined eye locations of analysis user face image controls the orientation that human eye positioning shooting head assembly 120 turns to the eye place; FPGA processor 116 be used to store dsp processor 118 initialization data, send the Interrupt Process signals to described master chip 150; Flash memory 111 is used for the storage system boot.The utility model adopts FPGA to provide initialize routine for DSP, and DSP certainly, adopts a little process chip to realize that simultaneously above-mentioned FPGA and DSP function also are fine as main image processor.Described digital television receiver also comprises alarm module 140, this alarm module 140 comprises audio decoder 141 and loudspeaker 142, audio decoder 141 connects dsp processors 118, is used for the audio alarming signal of dsp processor 118 outputs decoded exporting loudspeaker 142 to.
As shown in Figure 2, described human eye positioning shooting head assembly 120 comprises: first infrared light supply 121, first image capture module 122, a MCU controller 124 and The Cloud Terrace 123, the first infrared light supplies 121 are used for providing light source to image capture module; First image capture module 122 is used to obtain user's eyes image and is installed in The Cloud Terrace 123; The rotation control signal that the one MCU controller 124 is used to receive control signal from dsp processor 118, send to The Cloud Terrace 123, and the IMAQ of control first image capture module 122 exchange with image information with dsp processor 118; The Cloud Terrace 123 is used for according to the control signal of a MCU controller 124 first image capture module 122 being navigated to user's eye orientation.Wherein, dsp processor 118 links to each other by RS485 interface 113 with a MCU controller 124 devices of human eye positioning shooting head assembly 120, in practical operation, human eye positioning shooting head assembly 120 all must have the RS485 interface with fatigue detecting module 110, RS485 compares with RS232 that antijamming capability is stronger, transmission range is farther, so use the RS485 interface at this.
As shown in Figure 3, people's face positioning shooting head assembly 130 comprises: second infrared light supply 131, second image capture module 132 and the 2nd MCU controller 133, the second infrared light supplies 131 are used for providing light source to second image capture module 132; Second image capture module 132 is used to obtain user's face image; The 2nd MCU controller 133 is used to control second image capture module 132 and gathers user's eyes images and carry out image information by second Video Decoder 115 with dsp processor 118 and exchange.The image information that people's face positioning shooting head assembly 130 is obtained is used for the foundation as 120 actions of dsp processor 118 control human eye positioning shooting head assemblies, dsp processor 118 carries out determining after the image processing position of human eye earlier to user's face images, and then send control signal to a MCU controller 124 by RS485 interface 113, rotate and first image capture module 122 is aimed at users' eye by its control The Cloud Terrace 123, be used to obtain user's eyes image.The utility model adopts the structure of two CCD camera assemblies, has increased the flexibility that system uses.
Concrete operations of the present utility model are as follows: at first system power-up resets, 116 pairs of dsp processors of FPGA processor 118 carry out program initialization, then by dsp processor 118 by random asccess memory 112 that the boot in the flash memory 111 is packed into, and finish the initialization of I/O interface 117, then the embedded OS in the flash memory 111 is called in random asccess memory, so far finished basic bootup process.Simultaneously, this embedded OS other video or audio decoder of initialization also.
After basic bootup process finishes, user's face image that dsp processor 118 is captured according to people's face positioning shooting head assembly 130 is determined the position of human eye, dsp processor 118 turns to the eyes of user position by RS485 interface 113 with human eye positioning shooting head assembly 120, gather continuous eye image signal by human eye positioning shooting head assembly 120, become data image signal through first Video Decoder 114, and then carry out calculation process by dsp processor 118, the eye image that collects is carried out image segmentation, the characteristic image of human eye is extracted, according to fatigue detecting algorithm (this fatigue algorithm can adopt related algorithm well known in the prior art), the human eye feature image and the normal eye's characteristic image that extract are compared, judge whether human eye is tired.When detecting the user and tired sign occurs, dsp processor 118 is issued master chip 150 through I/O interface 117 with interrupt signal by FPGA processor 116, master chip 150 is received interrupt signal, digital television receiver 100 warning message will occur and stop received television signal simultaneously, directly makes loudspeaker 142 send alarm sound by audio decoder 141 simultaneously on television screen, thereby will force the user to stop to watch TV programme.Other function of digital television receiver, the user can operate by remote controller as required, and concrete operations belong to prior art, just repeat no more herein.
As shown in Figure 3, after basic bootup process finishes, infrared light supply in people's face positioning shooting head assembly 130 is started working, send the infrared light of centre wavelength 850nm, the face image that second image capture module 132 begins to catch the user, when second image capture module 132 collects user's face mask, second image capture module 132 is a focusing with people's face position, focus, thereby obtain face image clearly, the face image that second image capture module 132 captures outputs to second Video Decoder 115.In force, second image capture module 132 can adopt CCD imageing sensor (CCD) or complementary matal-oxide semiconductor (CMOS).
As shown in Figure 2, when dsp processor 118 by after determining position of human eye at user's face image, send control signal by RS485 interface 113 to a MCU controller 124, the one MCU controller 124 is according to this control signal rotary platform, The Cloud Terrace is turned to the eyes of user position, infrared light supply is started working, send the infrared light of centre wavelength 850nm, the eye image that first image capture module 122 is caught the user, image capture module is focusing with the position of human eye, focus, obtain eye image clearly.The eye image that image capture module captures outputs to first Video Decoder 114.In force, first image capture module 122 also can adopt CCD imageing sensor (CCD) or complementary matal-oxide semiconductor (CMOS).
Device of the present utility model is connected television set or be installed in the car steering cabin, just can realize program viewing user or driver are carried out the real-time monitoring of eye degree of fatigue the generation of the myopia that has caused because of eye fatigue when having avoided watching TV or the traffic accident of driving to cause because of fatigue.
In sum, above-mentioned each concrete illustrate comparatively specifically, can not therefore think restriction to scope of patent protection of the present utility model, scope of patent protection of the present utility model should be as the criterion with claims.
Claims (8)
1, a kind of digital television receiver comprises master chip, infrared receiving circuit, and described master chip receives the enabling signal from described infrared receiving circuit, it is characterized in that described digital television receiver also comprises:
Human eye positioning shooting head assembly, the eyes image that is used to catch the user;
People's face positioning shooting head assembly is used to obtain user's face image information;
The fatigue detecting module is used to analyze user's eye of being caught and face image, the action of the described human eye positioning shooting of control head assembly, judges user's fatigue state and report to the police, send interrupting information to described master chip.
2, digital television receiver according to claim 1 is characterized in that, described fatigue detecting module comprises:
First Video Decoder is used to receive the image information that described human eye positioning shooting head assembly sends and handles;
Second Video Decoder is used to receive the image information that described people's face positioning shooting head assembly sends and handles;
Random asccess memory is used for temporary transient memory system data;
Dsp processor is used for handling in real time and analyzing and control the orientation that described human eye positioning shooting head assembly turns to the eye place from the video data of described first Video Decoder and second Video Decoder and according to the determined eye locations of analysis user face image;
The FPGA processor, be used to store described dsp processor initialization data, send the Interrupt Process signal to described master chip;
Flash memory is used for the storage system boot.
3, digital television receiver according to claim 2 is characterized in that, described human eye positioning shooting head assembly comprises:
First infrared light supply is used for providing light source to image capture module;
First image capture module is used to obtain user's eyes image and is installed in The Cloud Terrace;
The one MCU controller, the rotation control signal that is used to receive control signal, sends to The Cloud Terrace from described dsp processor, and the IMAQ of control first image capture module with exchange with the image information of described dsp processor;
The Cloud Terrace is used for according to the control signal of a described MCU controller described first image capture module being navigated to user's eye orientation.
4, digital television receiver according to claim 2 is characterized in that, described people's face positioning shooting head assembly comprises:
Second infrared light supply is used for providing light source to second image capture module;
Second image capture module is used to obtain user's face image;
The 2nd MCU controller is used to control described second image capture module collection user's eyes image and carries out image information by second Video Decoder and described dsp processor and exchanges.
According to claim 3 or 4 described digital television receivers, it is characterized in that 5, the image sensor element in described first image capture module and second image capture module can adopt CCD imageing sensor or complementary matal-oxide semiconductor.
6, digital television receiver according to claim 3 is characterized in that, described dsp processor links to each other by the RS485 interface with a MCU controller of described human eye positioning shooting head assembly.
7, digital television receiver according to claim 2 is characterized in that, described digital television receiver also comprises an alarm module, is used to receive the alarm signal of described fatigue detecting module, also generation warning.
8, digital television receiver according to claim 7, it is characterized in that, described alarm module comprises audio decoder and loudspeaker, and described audio decoder connects dsp processor, is used for the audio alarming signal of dsp processor output decoded exporting loudspeaker to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201220080U CN201114421Y (en) | 2007-07-27 | 2007-07-27 | A digital TV receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201220080U CN201114421Y (en) | 2007-07-27 | 2007-07-27 | A digital TV receiver |
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| Publication Number | Publication Date |
|---|---|
| CN201114421Y true CN201114421Y (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201220080U Expired - Fee Related CN201114421Y (en) | 2007-07-27 | 2007-07-27 | A digital TV receiver |
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| Country | Link |
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| CN (1) | CN201114421Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959033A (en) * | 2009-07-15 | 2011-01-26 | 日立民用电子株式会社 | Broadcast receiver |
| CN102541087A (en) * | 2011-12-30 | 2012-07-04 | Tcl集团股份有限公司 | Automatic direction adjusting method and system for display device as well as display device |
| CN103220583A (en) * | 2013-03-28 | 2013-07-24 | 四川长虹电器股份有限公司 | System and method for detecting user fatigue degree based on smart television |
| CN108170056A (en) * | 2017-12-28 | 2018-06-15 | 重庆电子工程职业学院 | A kind of interaction drive robot and its control method |
| CN114379563A (en) * | 2020-10-21 | 2022-04-22 | 广州汽车集团股份有限公司 | Safe driving control method and system and storage medium |
-
2007
- 2007-07-27 CN CNU2007201220080U patent/CN201114421Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101959033A (en) * | 2009-07-15 | 2011-01-26 | 日立民用电子株式会社 | Broadcast receiver |
| CN101959033B (en) * | 2009-07-15 | 2013-02-13 | 日立民用电子株式会社 | Broadcasting receiver |
| CN102541087A (en) * | 2011-12-30 | 2012-07-04 | Tcl集团股份有限公司 | Automatic direction adjusting method and system for display device as well as display device |
| CN103220583A (en) * | 2013-03-28 | 2013-07-24 | 四川长虹电器股份有限公司 | System and method for detecting user fatigue degree based on smart television |
| CN108170056A (en) * | 2017-12-28 | 2018-06-15 | 重庆电子工程职业学院 | A kind of interaction drive robot and its control method |
| CN114379563A (en) * | 2020-10-21 | 2022-04-22 | 广州汽车集团股份有限公司 | Safe driving control method and system and storage medium |
| CN114379563B (en) * | 2020-10-21 | 2023-08-08 | 广州汽车集团股份有限公司 | Safe driving control method, system and storage medium thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20150727 |
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| EXPY | Termination of patent right or utility model |