19 results about "Tailgating" patented technology

Systems, methods, models, and training data for models are discussed, for determining vehicle positioning, and in particular identifying tailgating. Simulated training images showing vehicles following other vehicles, under various conditions, are generated using a virtual environment. Models are trained to determine following distance between two vehicles. Trained models are used to in detection of tailgating, based on determined distance between two vehicles. Results of tailgating are output to warn a driver, or to provide a report on driver behavior.

Systems, methods, models, and training data for models are discussed, for determining vehicle positioning, and in particular identifying tailgating. Simulated training images showing vehicles following other vehicles, under various conditions, are generated using a virtual environment. Models are trained to determine following distance between two vehicles. Trained models are used to in detection of tailgating, based on determined distance between two vehicles. Results of tailgating are output to warn a driver, or to provide a report on driver behavior.

Systems, methods, models, and training data for models are discussed, for determining vehicle positioning, and in particular identifying tailgating. Simulated training images showing vehicles following other vehicles, under various conditions, are generated using a virtual environment. Models are trained to determine following distance between two vehicles. Trained models are used to in detection of tailgating, based on determined distance between two vehicles. Results of tailgating are output to warn a driver, or to provide a report on driver behavior.

A device may obtain video data associated with a driving event involving a first vehicle. The device may determine a vanishing point associated with the video data and may construct a cone of impact of the first vehicle based on the vanishing point. The device may detect a second vehicle within the cone of impact and may analyze the subset of video frames to determine a distance between the first vehicle and the second vehicle. The device may determine a speed of the first vehicle during a time period associated with a subset of video frames. The device may determine a headway score, representative of a severity associated with the first vehicle being within a proximity threshold of the second vehicle during the time period, based on the distance and the speed. The device may determine an occurrence of a tailgating event based on the headway score.

The invention relates to an intelligent network connection vehicle risk avoiding method and system for a mountain area low-grade road longitudinal slope curve road section. The method comprises the steps of collecting information of the mountain area road longitudinal slope curve road section; then fusing the various collected information by adopting a BEV Fusion model, and converting the information into unified BEV visual angle information; performing time sequence modeling and information completion by adopting a Transform model, constructing a unified BEV representation space, and obtaining all perception information; on the basis of perceived information, the possible obstacles on the road are comprehensively considered, multiple sub-scenes such as active avoidance, tailgating and interweaving are adopted for reverse driving between other participants and the CAV due to the narrow road, and the adaptability of the CAV in the complex traffic scene is improved; meanwhile, for possible interleaving conflicts, a dynamic interaction, prediction and safety risk avoiding decision comprehensive model is used, interaction and path decision optimization between the CAVs and other traffic participants are achieved, and the road passing efficiency and the safety level are improved.

The utility model relates to the technical field of barrier gates, and discloses a barrier gate detection device capable of preventing car following, which comprises a speed brake, two groups of control devices are mounted on the upper surface of the speed brake, a barrier gate cross rod is mounted on one group of control devices, an induction camera is mounted on the other group of control devices, and the barrier gate cross rod is connected with the induction camera. A man-proof mechanism is arranged on one side of the barrier gate cross rod, and a ground box embedded into the ground is mounted on the lower surface of the speed brake; through cooperation of the barrier gate cross rod, the anti-people mechanism, the speed brake and the ground barrier device, signal feedback is rapidly conducted on vehicle passing through a photoelectric sensor, so that a motor is controlled to be rapidly started, a connecting plate drives the ground barrier plate to rise to block a next vehicle, the vehicle is prevented from escaping from the gate along with the vehicle, and rapid detection of vehicle entering and exiting is facilitated; and the blocking effect of the barrier gate is improved through the anti-people mechanism, pedestrians are prevented from passing through the gap between the barrier gate and the ground, and potential safety hazards are reduced.

To accurately detect the approach of another moving body such as tailgating.SOLUTION: In the drive recorder 1, the control unit 9 detects another vehicle by detecting the non-changing area NC in which the amount of change is equal to or less than the reference value between the consecutive images obtained by continuously capturing the area behind the host vehicle, and detects that another vehicle is approaching the host vehicle when the non-changing area NC overlaps the area in the image obtained by capturing the area behind the host vehicle indicating a position closer to the host vehicle than the first threshold value. Then, the speed information acquisition unit acquires the moving speed of the host vehicle, and controller 9 changes the first threshold according to the moving speed of the host vehicle.SELECTED DRAWING: Figure 1

The invention relates to the technical field of video monitoring processing, and particularly discloses a video monitoring method and system for barrier gate car following prevention, and the method comprises the following steps: extracting a foreground target in a video frame; extracting a target residual area based on the mirror surface highlight area of the foreground target; generating a complete contour model of the foreground target based on the target residual region; determining a position point of the complete contour model in each video frame, and connecting the position points to form a motion track of the foreground target; and sorting the foreground targets according to the sequence of the foreground targets appearing in the monitoring area, obtaining motion tracks A1 and A2 of two adjacent foreground targets in the sorting, and judging whether a car following behavior exists or not based on the motion tracks A1 and A2. According to the invention, the accuracy of car following judgment is improved.

The utility model relates to the technical field of entry and exit gate, and disclose a prevent following's entry and exit gate, including right gate body, installation cover, gate and left gate body, the right gate body and left gate body between constitute the human passage. This kind of prevent following's entry and exit gate, through adopting double gate body: right gate body, left gate body constitute closed human passage, through rotating gate and carousel gate pole form double dynamic intercept structure, realize mechanical linkage's prevent following control, the gate of right gate body rotates open and shut along the pivot, cooperate the triangular mobile seat drive three gate poles of left gate body with 135 degree interval synchronous rotation, form the staggered type traffic control, effectively block personnel following or drill through, installation cover through the contraction joint sleeve joint pivot, combine fastening bolt one realizes quick assembly and readjustment, adapt different specifications pivot's while ensuring gate rotation concentricity, spring flexible connection installation cover, can buffer external force impact and reduce long -term wear and tear.

The present invention provides a vehicle dispatch management device that manages vehicle dispatch in response to a user's vehicle dispatch request. The device is provided with: a vehicle dispatch planning unit that creates a vehicle dispatch plan for a user vehicle to be dispatched to the user, on the basis of the vehicle dispatch request; and a vehicle travel monitoring and control unit that monitors and controls the travel of the user vehicle along a travel route indicated by the vehicle dispatch plan, in accordance with travel management information. The vehicle travel monitoring and control unit is provided with: a travel management information acquisition unit that acquires the travel management information from the user vehicle; a tailgating detection unit that detects tailgating by another vehicle with respect to the user vehicle and determines the degree of danger of the detected tailgating as a relative level value; and a user protection operation control unit that controls the user vehicle to perform a prescribed user protection operation according to the level value for the degree of danger of the tailgating.

The invention discloses a parallel tailgating steering traffic guidance method, system, device and equipment, which are used for improving the traffic efficiency of tailgating steering. The method comprises the following steps: acquiring a tailgating steering signal state; according to the tailgating steering signal state, guiding equipment corresponding to the opened first tailgating steering preset parking space is controlled, and the use state of the opened first tailgating steering preset parking space is guided; the first tailgating steering preset parking space is arranged on a steering lane adjacent to the tailgating steering lane, and the first tailgating steering preset parking space is communicated with the tailgating steering lane; the position or size of the first tailgating steering preset parking space is determined according to the vehicle steering motion space.

To protect a user from tailgating against a vehicle in which the user is riding.SOLUTION: A vehicle allocation management device according to the present invention includes a vehicle travel monitoring control unit that monitors and controls the travel of a user vehicle according to travel management information obtained from the user vehicle. The vehicle travel monitoring control unit includes: a tailgating detection unit that detects tailgating by other vehicles against the user vehicle; an emergency call issuing unit that issues an emergency call to a security-related organization in response to the tailgating; a security vehicle location information acquisition unit that acquires location information of a security vehicle of the security-related organization; and a merge point selection unit that extracts candidate merge points for the user vehicle and the security vehicle to merge based on the location information indicated by the travel management information of the user vehicle and the location information of the security vehicle, selects the candidate merge points at which the security vehicle can arrive before the user vehicle as the merge point, and notifies the security vehicle of the merge point.SELECTED DRAWING: Figure 4

Systems, methods, models, and training data for models are discussed, for determining vehicle positioning, and in particular identifying tailgating. Simulated training images showing vehicles following other vehicles, under various conditions, are generated using a virtual environment. Models are trained to determine following distance between two vehicles. Trained models are used to in detection of tailgating, based on determined distance between two vehicles. Results of tailgating are output to warn a driver, or to provide a report on driver behavior.

Systems and methods are provided for programmatically verifying an origin of abnormal driving. Some examples of abnormal driving may include aggressive driving (e.g., tailgating, cut-in lane, etc.), distracted driving (e.g., swerving, delayed reaction, etc.), and reckless driving (e.g., green light running, lane change without signaling, etc.). For example, the systems and methods may receive an identification of a second vehicle performing abnormal driving from an ego vehicle; initiate a verification process of the identification of the abnormal driving; access driving data associated with an origin of the abnormal driving, wherein the driving data includes the ego vehicle and the second vehicle; using the driving data, determine a confirm or deny decision regarding the identification of the second vehicle from the ego vehicle; and provide the confirm or deny decision.

Systems, methods, models, and training data for models are discussed, for determining vehicle positioning, and in particular identifying tailgating. Simulated training images showing vehicles following other vehicles, under various conditions, are generated using a virtual environment. Models are trained to determine following distance between two vehicles. Trained models are used to in detection of tailgating, based on determined distance between two vehicles. Results of tailgating are output to warn a driver, or to provide a report on driver behavior.

The application relates to the technical field of intelligent security and access control, in particular to an access control method for preventing tailing applied to an AB door structure, which binds a personalized portable number of people label value M for each user, and takes the M value as a dynamic threshold for buffer number verification, replacing the rigid rules of a fixed number threshold or comparison of the number of entering people in the prior art. The method enables the access control system to flexibly determine the number of people to release according to the specific authority of the currently authenticated user, strictly implements the basic security strategy of preventing tailing, provides a legal channel for reasonable accompanying needs, and achieves a good balance between safety and convenience.

The utility model relates to the technical field of access control devices, and discloses a face recognition anti-following access control device. Comprising a machine box and a face recognition panel, the face recognition panel is fixedly connected to the upper surface of the machine box, a fixing shaft is fixedly connected to the interior of the machine box, a sleeve movably sleeves the shaft wall of the fixing shaft, a first baffle and a second baffle are fixedly connected to the sleeve wall of the sleeve, a rotating rod is rotatably connected to the interior of the machine box, and the rotating rod is fixedly connected to the interior of the machine box. The rod wall of the rotating rod is fixedly sleeved with a gear. The output shaft of the motor rotates to drive the rotating rod to rotate, the rotating rod rotates to stir the teeth to move through the gear, the sleeve is driven to rotate along the shaft wall of the fixing shaft, the first baffle and the second baffle can be driven to swing, and the first baffle can be opened in time to release people; meanwhile, the second baffle swings along with the first baffle to realize closing, so that a following person can be prevented from following to pass through the access control, and potential safety hazards are reduced.

Systems and methods are provided for programmatically verifying an origin of abnormal driving. Some examples of abnormal driving may include aggressive driving (e.g., tailgating, cut-in lane, etc.), distracted driving (e.g., swerving, delayed reaction, etc.), and reckless driving (e.g., green light running, lane change without signaling, etc.). For example, the systems and methods may receive an identification of a second vehicle performing abnormal driving from an ego vehicle; initiate a verification process of the identification of the abnormal driving; access driving data associated with an origin of the abnormal driving, wherein the driving data includes the ego vehicle and the second vehicle; using the driving data, determine a confirm or deny decision regarding the identification of the second vehicle from the ego vehicle; and provide the confirm or deny decision.

A driver assistance device (100) designed to be installed in a vehicle, comprising: an image acquisition unit (111, 112) designed to capture an image of another vehicle driving behind the one vehicle equipped with the driver assistance device (100); a close-range determination unit (102) designed to determine, on the basis of the image captured by the image acquisition unit (111, 112), whether the other vehicle is following closely behind the first vehicle; a continuity determination unit (103) configured to determine whether a dense approach, as determined by the dense approach determination unit (102), was carried out continuously; an information provision unit (106) configured to provide a driver of one vehicle with information about the other vehicle when the continuity determination unit (103) determines that the close following was carried out continuously; and wherein the driver assistance device (100) is designed to determine, on the basis of the image captured by the image acquisition unit (111, 112), whether the tailgating of the other vehicle has ceased; and with a memory (121) designed to store the information about the other vehicle therein, wherein the driving assistance device (100) is configured to store the information about the other vehicle in the memory (121) if the other vehicle overtakes the first vehicle and the close following of the other vehicle has ended, , and wherein the driving assistance device (100) is configured not to store the information about the other vehicle in the memory (121) if the close following of the other vehicle has ended, and the other vehicle has changed course or the other vehicle maintains a specific distance from the first vehicle.