CN104742802A - Drunken driving detection system and method based on multiple sensors and video recognition technology - Google Patents
Drunken driving detection system and method based on multiple sensors and video recognition technology Download PDFInfo
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Abstract
The invention relates to a drunken driving detection system and method based on multiple sensors and a video recognition technology. The system comprises a central processing module, an alcohol sensor module, a signal processing module, a GPS module, a camera module, a voice module, a GSM module and a display and control module. Facial images are obtained and recognized through a camera, and whether the phenomenon that other people replace a driver to start an automobile so as to pass through the detection exists or not is judged; in the driving process of the automobile, the image analysis of the driver in the driving process is obtained to judge whether the driver drinks or not in combination with the multi-sensor alcohol detection; after it is detected that the driver drinks, an alarm signal is given out, automobile lock-up control is conducted, a voice prompt is given out, and the alcohol drinking behavior and the current position information of the driver are sent to relatives and friends of the driver through short messages. According to the drunken driving detection system and method, the multiple sensors and the video recognition technology are integrated to detect the alcohol drinking behavior of the driver, replacement detection and alcohol drinking detection in the driving process can be achieved, and the recognition accuracy is improved.
Description
Technical field
The invention belongs to sensor detection and control field, relate to a kind of drunk driving checking system based on multisensor and video identification technology and method.
Background technology
2007, Volvo just proposed the concept that vehicle-mounted alcohol detects, and was proposed the technology of a " drunken driving locking (Alcoguard) " by name.More current vehicle-mounted alcohol test system is adopted and is carried out alcohol concentration measurement in this way.Its weak point is:
Detecting by blowing facing to detector, cannot judge whether that non-driver is for air blowing problem;
Drunk recognition accuracy is low, and can not provide drunk information;
When detecting drunken driving and after locking vehicle, lacking the effective way and method that provide on-the-spot relief information.
Summary of the invention
In order to overcome the above-mentioned shortcoming existed in existing drunk driving detection technique, the invention provides a kind of Intelligent Recognition drunk person, drunk evidence is provided, the drunk driving checking system of tracking drunk driving vehicle.
The present invention takes following technical scheme for achieving the above object.
Based on a drunk driving checking system for multisensor and video identification technology, comprising:
Central processing module, alcohol sensor module, signal processing module, GPS module, camera module, voice module, gsm module, display and control module.Wherein
Central processing module: the output information according to signal processing module judges alcohol concentration; Receive GPS module output information, obtain the current geographic coordinate of automobile, retrieval built-in electronic map, obtains geographical location information; Receive the graphicinformation from camera module, driver identity is identified and driving behavior is judged; Control voice module and send information of voice prompt to chaufeur; Control gsm module and send note to prestored mobile phone number, the report state of chaufeur and the geographical location information of automobile; Control display and control module send status displaying information and provide switching mode controlling quantity, and switching mode controlling quantity can be used for locking Current vehicle.
Alcohol sensor module: for gathering the alcohol concentration signal of diverse location in operator's compartment, and give signal processing module by alcohol concentration signal.Alcohol sensor module comprises multiple sensor, is arranged on respectively on each seat in operator's compartment, comprises main driving seat alcohol sensor, front passenger's seat alcohol sensor, rear left seat alcohol sensor and rear right seat alcohol sensor.
Signal processing module: for receiving the output signal from alcohol sensor module, and it is amplified and filter shape, output signal is delivered to central processing module.
GPS module: for obtaining the longitude and latitude data of current car position, and deliver to central processing module.
Camera module, is arranged on operator's saddle front, for gathering the image to chaufeur facial image and driving behavior, and image is delivered to central authorities process mould process.
Gsm module: under the control of central processing module, send note to kith and kin, the report status information of chaufeur and the geographical location information of automobile.
Voice module: under the control of central processing module, send information of voice prompt to chaufeur.
Display and control module, under the control of central processing module, output display information and switching mode controlling quantity, switching mode controlling quantity can be used for locking Current vehicle.
Apply the method that described system carries out detecting to comprise: the facial image obtained by camera is identified, judge whether to exist other people and substitute the driver that drinks and start automobile so that the phenomenon by detecting.Automobile in the process of moving, obtains the graphical analysis of chaufeur in driving procedure by camera, in conjunction with multisensor alcohol detection, judges whether chaufeur exists the drinking behavior in driving procedure.After detecting and there is drinking behavior, send alerting signal, can be used for the lock-in control of automobile, voice message is provided to drunk drivers, the drinking behavior of chaufeur and current location information are sent to kith and kin by note, be convenient to contact and rescue.
Compared with prior art, the present invention has the following advantages:
(1) the present invention is by being arranged on operator's saddle front camera, can detect whether to have people and substitute alcohol detection and start automobile, when the chaufeur of having drunk after automobile starting goes the phenomenon that drives a car again.
(2) the present invention installs alcohol sensor by diverse location in operator's compartment, and the drinking behavior that fusion multisensor and video identification technology complete in driving procedure detects, and achieves the monitoring to chaufeur drinking behavior in driving procedure.
(3) when detecting that driver is drunk, can send warning signal, sending the status information of chaufeur and the geographical location information of automobile to its kith and kin simultaneously, facilitate kith and kin to contact chaufeur and implement on-the-spot relief.
Accompanying drawing explanation
Fig. 1 is the composition frame chart of system of the present invention;
Fig. 2 is the diagram of circuit of the method for the invention.
Detailed description of the invention
Provide a specific embodiment below.
Drunk driving based on multisensor and video identification technology detects an alarm system, and composition as shown in Figure 1, comprising:
Central processing module 1, alcohol sensor module 2, signal processing module 3, GPS module 4, camera module 5, voice module 6, gsm module 7, display and control module 8.Wherein
Central processing module 1: the controlling calculation center being system, the output information according to processing signals processing module 3 measures alcohol concentration.Receive GPS module 4 output information, obtain current geographic coordinate, retrieval built-in electronic map, obtains geographical location information.Receive the graphicinformation from camera module 5, identify driver identity and driving behavior is judged.Control voice module 6 and send information of voice prompt to chaufeur.Control gsm module 7 and send note to prestored mobile phone number, the report status information of chaufeur and the geographical location information of automobile.Control display and control module 8 send status displaying information and provide switching mode controlling quantity, and switching mode controlling quantity can be used for locking Current vehicle.
Central processing module 1 by CPU, memory device, the compositions such as Flash module.Embedded type CPU selects ARM series CPU, as S3C2410 or Cortex-A8.Memory device mould comprises dynamic memory, as K4S561632C-TC75, and nonvolatile memory, as NOR type U-K9F1208UDM-YC80, and the memory module that NAND FLASH SST39LF160 memory module one or a combination set of is formed.Flash module be used for store data, prevent power down, reset time obliterated data.
Alcohol sensor module 2: for gathering the alcohol concentration signal of diverse location in operator's compartment, and alcohol concentration signal is delivered to signal processing module 3.Alcohol sensor module 2 comprises 4 alcohol sensors, is arranged on respectively on each seat in operator's compartment, comprises main driving seat alcohol sensor, front passenger's seat alcohol sensor, rear left seat alcohol sensor and rear right seat alcohol sensor.
Signal processing module 3: receive the output signal from alcohol sensor module 2, amplifies described signal and delivers to central processing module after filter shape.Signal processing module 3 comprises low-pass filter, amplifier and A/D.
Gsm module 4: under the control of central processing module 1, sends note to kith and kin, the report status information of chaufeur and the geographical location information of automobile, facilitates kith and kin to contact chaufeur and implements on-the-spot relief.
Camera module 5: be arranged on operator's saddle front, completes the collection of action behavior in chaufeur facial image and driving procedure, and image is delivered to signal processing module 3.
Voice module 6: send drunk phonetic warning signal under central processing module 1 controls.
GPS module 7: the vehicle position information detected is delivered to central processing module 1.
Display and control module 8, under the control of central processing module 1, output display information and switching mode controlling quantity, switching mode controlling quantity can be used for locking Current vehicle.
The diagram of circuit that drunk driving detects as shown in Figure 2, comprises the following steps:
Step 1, judges whether that there is alternative alcohol detection starts motor vehicle behavior.
Step 1.1, the standard time of the latitude and longitude information containing vehicle location and current Greenwich is delivered to central processing module 1 by GPS module 7.Central processing module 1 extracts latitude and longitude information, by retrieving its built-in electronic map data base, obtains the geography information of current location.Extract GMT greenwich mean time information, and be converted to Beijing time.
Step 1.2, obtains the chaufeur graphical information before and after automobile start by camera, and carries out image comparison, judge whether to there is alternative detection behavior.
Step 1.3, judges whether current driver's drinks.
Step 1.4, if there is replacement behavior, or current driver's is drunk.Send SMS message according to the Mobile Directory Number prestored in central processing module 1.Short message comprises chaufeur current state information and current location information also contains timestamp.
Step 1.5, exports the information of voice prompt prestored in central processing module 1, as: detect that chaufeur exists drinking drive behavior, and by SMS notification kith and kin; Display current state, as: show that lamp flicker refers to; Export car locking control signal.
Step 2, detects chaufeur and whether there is drinking behavior in vehicle traveling process.
Step 2.1, in vehicle traveling process, by camera repeated obtain driver behavior graphical information, completes image comparison, provides the conclusion that whether there is drinking behavior.The end step 2.1 when conclusion is for existing drinking behavior.The present embodiment repetition time is 1s.
Step 2.2, central processing module 1 receives the information of GPS module 7, extracting latitude and longitude information, by retrieving its built-in electronic map data base, obtaining the geography information of current location.Extract GMT greenwich mean time information, and be converted to Beijing time.
Step 2.3, sends SMS message according to the Mobile Directory Number prestored in central processing module 1.Short message comprises chaufeur current state information and current location information also contains timestamp.
Step 2.4, exports the information of voice prompt (information of voice prompt can be: detected that chaufeur exists drinking drive behavior, and passes through SMS notification kith and kin) that central processing module 1 prestores.Display current state (flashing indicator light).Provide car locking control signal.
Claims (3)
1. the drunk driving checking system based on multisensor and video identification technology, it is characterized in that comprising: central processing module (1), alcohol sensor module (2), signal processing module (3), GPS module (4), camera module (5), voice module (6), gsm module (7), display and control module (8); Wherein
Central processing module (1): the controlling calculation center being system, the output information according to processing signals processing module (3) measures alcohol concentration; Receive the output information of GPS module (4), obtain current geographic coordinate, retrieval built-in electronic map, obtains geographical location information; Receive the graphicinformation from camera module (5), identify driver identity and driving behavior is judged; Control voice module (6) and send information of voice prompt to chaufeur; Control gsm module (7) and send note to prestored mobile phone number, the report status information of chaufeur and the geographical location information of automobile; Control display and control module (8) send status displaying information and output switch type controlling quantity, and switching mode controlling quantity can be used for locking Current vehicle;
Alcohol sensor module (2): for gathering alcohol concentration signal, and alcohol concentration signal is delivered to signal processing module (3);
Signal processing module (3): receive the output signal from alcohol sensor module (2), amplifies described signal and delivers to central processing module (1) after filter shape; Signal processing module (3) comprises low-pass filter, amplifier and A/D;
Gsm module (4): under the control of central processing module (1), sends note to kith and kin, the report status information of chaufeur and the geographical location information of automobile;
Camera module (5): be arranged on operator's saddle front, completes the collection of action behavior image in chaufeur face and driving procedure, and image is delivered to signal processing module (3);
Voice module (6): send drunk phonetic warning signal under central processing module (1) controls;
GPS module (7): the vehicle position information detected is delivered to central processing module (1);
Display and control module (8), under the control of central processing module (1), output display information and switching mode controlling quantity, switching mode controlling quantity can be used for locking Current vehicle.
2. a kind of drunk driving checking system based on multisensor and video identification technology according to claim 1, it is characterized in that, described alcohol sensor module (2) employing 4 alcohol sensors be arranged in operator's compartment on each seat gather the alcohol concentration signal of diverse location in operator's compartment, comprise main driving seat alcohol sensor, front passenger's seat alcohol sensor, rear left seat alcohol sensor and rear right seat alcohol sensor.
3. application rights requires that described in 1, system carries out a method for drunk driving detection, is characterized in that, comprises lower step:
Step 1, judges whether that there is alternative alcohol detection starts motor vehicle behavior;
Step 1.1, the standard time of the latitude and longitude information containing vehicle location and current Greenwich is delivered to central processing module (1) by GPS module (7); Central processing module (1) extracts latitude and longitude information, by retrieving its built-in electronic map data base, obtains the geography information of current location; Extract GMT greenwich mean time information, and be converted to Beijing time;
Step 1.2, obtains the chaufeur graphical information before and after automobile start by camera, and carries out image comparison, judge whether to there is alternative detection behavior;
Step 1.3, judges whether current driver's drinks;
Step 1.4, if there is replacement behavior, or current driver's is drunk; Send SMS message according to the Mobile Directory Number prestored in central processing module (1); Short message comprises chaufeur current state information and current location information also contains timestamp;
Step 1.5, central processing module (1) exports the information of voice prompt prestored, and controls gsm module (4) and sends note to kith and kin; Display and control module (8) show current state under central processing module (1) controls, and export car locking control signal;
Step 2, detects chaufeur and whether there is drinking behavior in vehicle traveling process;
Step 2.1, in vehicle traveling process, by camera repeated obtain driver behavior graphical information, completes image comparison, judges whether to there is drinking behavior; If there is drinking behavior end step 2.1;
Step 2.2, central processing module (1) receives the information of GPS module (7), extracting latitude and longitude information, by retrieving its built-in electronic map data base, obtaining the geography information of current location; Extract GMT greenwich mean time information, and be converted to Beijing time;
Step 2.3, sends SMS message according to the Mobile Directory Number prestored in central processing module (1); Short message comprises chaufeur current state information and current location information also contains timestamp;
Step 2.4, central processing module (1) exports the information of voice prompt prestored, and controls gsm module (4) and sends note to kith and kin; Display and control module (8) show current state under central processing module (1) controls, and export car locking control signal.
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