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147results about How to "Reduce traffic accidents" patented technology

Detecting system and detecting method for fatigue driving of driver

The invention discloses a detecting system and a detecting method for fatigue driving of a driver, and belongs to the technical fields of image processing and pattern recognition. The system comprises a human face localization module, a human eye state judging module, a mouth state judging module and a fatigue determining module, wherein the human face localization module is connected with the human eye state judging module and the mouth state judging module for communication; the determining result is sent to the fatigue determining module. The detecting method comprises the following steps: 1, localizing and detecting the human face; 2, judging the human eye state; 3, judging the mouth state of the driver; 4, judging the mental state of the driver. The detecting system and the detecting method combine two obvious facial characteristics of the driver, namely the human eyes and the human mouth, for complex judging; compared with recognition detection using a single method, the method provided by the invention has a higher recognition accuracy; through determining the mental state of the driver, the driver under fatigue state is reminded to stop the vehicle for rest, so that traffic accidents are effectively reduced, and the safety of life and property is strongly guaranteed.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Navigation-based early warning method, terminal devices and server

The invention provides a navigation-based early warning method, terminal devices and a server, which is applied to a vehicle early warning system. The vehicle early warning system comprises a first terminal device, a second terminal device and the server. The method comprises the steps that the first terminal device reports the position information of a first vehicle to the server; the position information of the first vehicle is used by the server to determine the status information of at least one second vehicle; the distance between the second vehicle and the first vehicle is within a preset range; the status information, which is transmitted by the server, of at least one second vehicle is received; the second vehicle in the blind zone of the first vehicle is determined, wherein the distance between the second vehicle and the first vehicle is less than safety distance; and when at least one second vehicle is in the blind zone of the first vehicle, and the distance between the second vehicle and the first vehicle is less than safety distance, an early warning alert is issued. According to the embodiment of the invention, the second vehicle can be precisely identified, wherein the distance between the second vehicle and the first vehicle is less than safety distance; and corresponding measures are taken in time to reduce traffic accidents.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Internet of Vehicles intelligent vehicle-mounted information terminal and information interaction method

The invention discloses an Internet of Vehicles intelligent vehicle-mounted information terminal, which comprises a central processor module, an information acquisition module, a display module, a communication module, a positioning module, a storage module and a voice module in mutual connection. The invention also discloses an information interaction method among the Internet of Vehicles intelligent vehicle-mounted information terminals. a first vehicle-mounted information terminal triggers at least one second vehicle-mounted information terminal surrounding to build a first relationship with the first vehicle-mounted information terminal through a communication module and triggers to build a second relationship with at least one third vehicle-mounted information terminal, the first vehicle-mounted information terminal performs information interaction in a corresponding relationship type with at least one second vehicle-mounted information terminal or the third vehicle-mounted information terminal respectively, the information interaction range of the vehicle-mounted terminal can be expanded, more vehicles can thus perform vehicle-mounted information interaction intelligently, different information interaction with a different vehicle-mounted terminal can be carried out, and thus, a more intelligent function is provided on the basis of sharing of multiple pieces of information.
Owner:东莞市信瑞智能科技有限公司 +1

System and method of guiding highway safety vehicle speed in foggy environment for intelligent connected vehicle

The invention provides a system for guiding a highway safety vehicle speed in a foggy environment for intelligent connected vehicle, which comprises a road-side device arranged at the road side and a vehicle-mounted device arranged in a vehicle, and a vehicle speed guiding module, wherein the vehicle-mounted device is used for acquiring the visibility information of the road in real time, the visibility information and the real-time operation state of the vehicle are sent to the road-side device through a wide area wireless communication technology, and the best vehicle speed sent by the road-side device is received and serves as reference for a driver; the road-side device comprises an information communication module for communicating with the vehicle-mounted device by using a network communication mode; and the vehicle speed guiding module is used for calculating and analyzing the best vehicle speed according to the real-time operation state information of each vehicle on the road section and the visibility information, and the best vehicle speed is sent to all vehicles on the road section via the information communication module. According to the real-time operation state information provided by each vehicle and the visibility information, the best vehicle speed is calculated for the driver as reference, and traffic accidents due to an overlarge vehicle speed can be avoided.
Owner:WUHAN UNIV OF TECH

Guidance method for refueling stopping position

The invention relates to a guidance method for a refueling stopping position. The method comprises the following steps: S1) a vehicle to be refueled is guided by a fixed notice board according to an own required oil product type to enter a corresponding refueling waiting area to be queued for waiting; S2) a video detector in the corresponding refueling waiting area carries out vehicle body image data collection on the vehicle and sends the vehicle body image data to a control terminal; S3) each vacancy sensor detects whether other vehicles are stopped on a corresponding stopping position or not, parking place state data is generated, and the parking place state data is sent to the control terminal in real time; S4) the control terminal carries out comprehensive analysis and processing on the vehicle body image data, a required oil product type, the parking place state data and the like to match a proper stopping position for the vehicle; S5) the control terminal judges whether the stopping position suitable for the vehicle is matched or not; S6) when the stopping position suitable for the vehicle is matched, stopping position information is sent to a corresponding display screen, vehicle guidance work is finished, and next vehicle guidance work is begun; S7) when the stopping position suitable for the vehicle is not matched, information of please waiting is sent to the corresponding display screen, and matching is continuously carried out.
Owner:FUZHOU UNIVERSITY

Information output method and device

The embodiment of the application discloses an information output method and device. A specific implementation way of the method comprises the following steps: acquiring a target video in which the current driving process of a target driver is recorded; inputting the target video to a pre-trained deep learning model to obtain a predicted fatigue driving occurrence time slot of the target driver, wherein the deep learning module is used for representing a corresponding relation between the video in which the current driving process of the driver is recorded and the predicted fatigue driving occurrence time slot of the driver; determining whether the predicted fatigue driving occurrence time slot of the target driver is in the preset time slot range; and outputting the predicted fatigue driving occurrence time slot of the target driver in response to the situation that the predicted fatigue driving occurrence time slot of the target driver is determined in the preset time slot range. Through the information output method disclosed by the embodiment of the invention, the fatigue driving occurrence time slot of the driver can be predicted, and the predicted fatigue driving occurrence time slot is output, thereby contributing to reduce the traffic accident caused by fatigue driving.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Vehicle-mounted communication device and method based on DSRC and Beidou satellite

The invention provides a vehicle-mounted communication device and method based on the DSRC and Beidou satellite and belongs to the technical field of vehicle-mounted communication technology. The device comprises a Beidou satellite positioning unit, a wireless transmitting and receiving unit, a vehicle-mounted processing unit and a touch displaying unit. The Beidou satellite positioning unit is used for acquiring the vehicle location information and transmitting and receiving short messages; the wireless transmitting and receiving unit is used for transmitting or receiving vehicle-vehicle or vehicle-road data packages; the vehicle-mounted processing unit is used for processing and predicating the location and speed information of the vehicle currently so as to judge whether the colliding risk exits or not, if yes, the vehicle-mounted processing unit alarms or reminds a user; the touch displaying unit is used for receiving the operating command of the user to perform the corresponded operation. By means of the technical scheme, full control of the vehicle can be implemented, vehicle and driver assistance and traffic management are performed effectively, abnormality can be detected and found timely, traffic accidents are reduced, and safety of driving and traffic can be improved.
Owner:四川九洲投资控股集团有限公司

Automatic answering method for mobile phones

The invention relates to an automatic answering method for mobile phones, which comprises the following steps: (1) when a call is incoming, the mobile phone automatically gets through connection and plays a prompt speech which indicates that the callee drives for a caller; (2) if an emergency call key of the caller is detected by the mobile phone within the emergency call key detection waiting time, a prompt speech of an incoming emergency call is played to the native phone; and otherwise, the mobile phone automatically cuts off the connection to finish processing; (3) and if an answering key of the native phone is detected within the answering key detection waiting time, the mobile phone establishes a talking connection with the caller to carry out normal conversation; and otherwise, the mobile phone plays a prompt speech, which indicates that the callee rejects answering the call, to the caller, and the mobile phone automatically cuts off the connection to finish processing. The invention has the advantage of reasonable design, solves the trouble that the driver is not convenient to answer the phone while driving, reduces the traffic accidents caused by energy dispersion when the driver answers the phone during driving, and ensures the personnel safety of both the driver and other people.
Owner:天津市朗日中天科技发展有限公司

Vehicle face recognition method based on deep learning

The present invention provides a vehicle face recognition method based on deep learning. The method comprises the steps of: obtaining an image, and constructing a driver data set; constructing a model: extracting visual features and semantic features, and forming a feature processing model; training the feature processing model; optimizing an experiment result according to a test result, and transmitting the optimized feature processing model to a total control terminal; and installing a warning lamp and a camera on a vehicle, and uploading a driver's operation condition to the total control terminal in real time, wherein the total control terminal determines whether the drive breaks driving rules or not according to the optimized feature processing model, when the drive breaks driving rules, the total control terminal emits signals to excite the warning lamp to prompt the driver to perform legal driving. Through real-time analysis of face change, the vehicle face recognition method extracts face features to detect whether there is violation operation or not and perform analysis and comparison with a data set, once behaviors of violating laws and rules are discovered, such as fatigue driving and call answering, watching of a mobile phone, alarm can be automatically emitted to timely stop the drivers' illegal behaviors so as to reduce the possibility of generation of traffic accidents.
Owner:TIANJIN UNIV

Automobile safety pre-warning system and method

The invention discloses an automobile safety pre-warning system and method. An ultrasonic information collection system is used for monitoring relative movement trends and relative positions of objects around a vehicle; an A/D converter is used for processing the information of the ultrasonic information collection system and then transmitting the processed information to a main controller; a steering lamp state detection device is used for judging the action intention of a driver in the vehicle running process; a parking detection system determines the state of an automobile by detecting states of a brake pedal and a hand brake so that the main controller selects a corresponding algorithm for calculation; a UPS power supply supplies power to the whole system; the main controller calculates the input information to judge whether alarming is needed or not; and an alarming system reminds the driver of paying attention to dangers by using physical information such as sounds, lights, touches and so on. According to the automobile safety pre-warning system and method, the driver and passengers can be helped to found dangerous situations in advance, the possibility of occurrence of collision accidents can be effectively reduced, and the traffic safety problems are solved. And meanwhile, according to the automobile safety pre-warning system and method, useless dangerous information can be effectively eliminated to avoid unnecessary alarming and distraction of the driver.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Traffic management method for assisting right-turn vehicle to avoid pedestrians

InactiveCN107507460AReduce traffic accidentsAnti-collision systemsTraffic restrictionsTraffic accidentTransport accidents
The traffic management method for assisting a right-turn vehicle to avoid pedestrians includes a computer image processing part and a single-chip microcomputer. The computer is connected with the single-chip microcomputer through a serial port of the single-chip microcomputer. The single-chip microcomputer is connected with a roadblock control center and a traffic signal lamp through interfaces of the single-chip microcomputer. The method comprises the following steps: A. a camera is used to collect required information; B. video information collected in the step A is read into an image processing system; C. a kinetic equation is used to predict the time when a car arrives in a conflict zone; D. that whether the time interval between cars reaching the conflict zone is greater than a time threshold, if yes, a step (E) is carried out, otherwise, the step (A)is carried out; and E. the single-chip microcomputer sends an instruction to the roadblock control center, roadblocks rise, the cars are suspended until after the passage of pedestrians, then the roadblocks are dropped and the cars pass. The method has the following beneficial effects: the algorithm is simple and the control is not complicated; and the method helps the right-turn vehicle drivers to develop civilized habits of avoiding pedestrians and effectively reduces the occurrence of traffic accidents.
Owner:SHANDONG JIAOTONG UNIV

Safety warning device for lighting warning of blind areas of truck

InactiveCN107839590AReduce traffic accidentsPrevent pedestrians and vehicles from enteringAcoustic signal devicesOptical signallingTruckEngineering
A safety warning device for light warning in the blind area of ​​a truck is provided. The vibration-damping fastening plate is fixed on the outside of the right rear chassis of the truck, and a mounting seat is fixed on the outer wall of the vibration-damping fastening plate. The light and voice warning device under the device is adapted and connected with the power drive device. After the power drive device drives the light and voice warning device to rotate, the light and voice warning device sequentially irradiates the blind area of ​​the truck to form a warning light area, and at the same time, the voice reminds pedestrians and vehicles. Stop outside the warning light zone. In the present invention, after the light and voice warning device is driven to rotate by the power driving device arranged on the vibration-reducing fastening plate, the light and voice warning device sequentially irradiates the blind area of ​​the truck to form a warning light area, and at the same time, the voice reminds pedestrians and vehicles to stop at the warning area. Outside the light area, it achieves the purpose of safety reminder, provides a safe steering environment for trucks, and reduces the occurrence of traffic accidents when trucks turn.
Owner:BAOJI UNIV OF ARTS & SCI

Portable dynamic detection method and system for braking performance of automobile wheels

The invention discloses a portable dynamic detection method and system for braking performance of automobile wheels. The method comprises steps as follows: three-dimension acceleration of the wheels is sensed by triaxial accelerometers of wheel testing modules, and a braking detection signal is sensed by a pedal force sensor; the signal is output by a wheel tangential acceleration sensor, wheel signal characteristic quantity is extracted through wavelet transformation noise reduction treatment and short-time Fourier transform operation, and rotating period, rotating frequency and angular velocity of the wheels are obtained; braking distance, speed and initial braking speed of an automobile body as well as wheel braking deceleration are calculated according to angular velocity parameters ofthe wheels; inequality of braking deceleration balance of the left and right wheels is calculated according to wheel braking deceleration parameters; MFDD (mean fully developed braking deceleration)is calculated according to initial baking spedd and braking distance parameters of the automobile body; braking coordination time is calculated according to the braking detection signal and MFDD parameters. The system comprises the wheel detection modules, round movable hub catch plates, the pedal force sensor and an in-vehicle central control module.
Owner:FOSHAN NANHAI HONGSHENG VEHICLE INSPECTION EQUIP
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