125 results about "Stop sign" patented technology

The invention discloses a vehicle illegal parking detection method and system based on dynamic edge calculation. The method comprises the following steps: acquiring information acquired by a mobile edge device, and preprocessing; carrying out full-scene identification; tracking the vehicle to determine whether the vehicle is in a stationary state; when the vehicle is in a static state, determining a parking space area, and when historical image data containing parking space lines can be obtained, intelligently predicting and complementing the parking space lines which may be shielded or missing through a mathematical model established by fusing the parking space lines of the parking space in an analysis result of a current frame and historical parking space line data; determining whether the vehicle is illegally parked, and when the vehicle is illegally parked, determining the illegal parking type of the vehicle in combination with the parking marker in the analysis result; and illegal parking information is formed through combination. By implementing the method provided by the invention, not only can the problems of missed shooting, false shooting and insufficient identification precision in the prior art be overcome, but also accurate classification and real-time monitoring of different types of illegal parking behaviors can be realized.

In one instance, a light weight safety arm is coupled to and extends beyond a stop sign coupled to a motor-driven rotatable mount on an exterior side of a school bus. In another instance, a school bus safety device is disclosed that includes a stop sign portion, an arm portion, and a mounting portion. The arm portion, stop sign portion and mounting portion are cut out together as one piece from a single sheet of material. Other embodiments and variations are further disclosed.

A school bus stop arm and drive unit therefor are disclosed. The stop arm includes a stop sign and a drive unit for moving the stop sign between a retracted position and a deployed position. In some embodiments the stop sign is illuminated. In some embodiments the drive unit includes a controller.

A system may determine, for each frame of a plurality of frames of image data associated with a vehicle, a probability that each frame of the plurality of frames that includes an image of a stop sign is relevant to the vehicle. The system may determine a longest sequence of consecutive frames of the plurality of frames for which the probability satisfies a probability threshold. The system may determine a maximum probability associated with a frame included in the longest sequence of consecutive frames. The system may determine a time window based on a time associated with the frame associated with the maximum probability. The system may determine location data and sensor data for the vehicle based on the time window. The system may determine an occurrence of a stop sign violation based on the location data and the sensor data.

Systems and methods for detecting rolling stops are discussed. A stop sign is first identified in image data at vehicle devices. The image data of the strop sign and movement data for a speed of the vehicle are sent to a management device. The management device can verify presence of the stop sign, and determine whether the vehicle made a complete stop at the stop sign based on the movement data, a threshold speed, and a stop time threshold.

The embodiment of the invention provides an illegal parking detection method and device, equipment and a storage medium. The method is applied to the technical field of vehicle traffic, and comprises the following steps: acquiring a real-time video stream in traffic gate monitoring, and extracting image frames in the real-time video stream according to a preset time interval; parking space identification is carried out based on the image frame, a parking space area detection result is generated, and the range of a no-parking area is extracted reversely; before, after, or simultaneously; vehicle and license plate detection is carried out based on the image frame to obtain current position coordinates and license plate information of the vehicle; according to whether the position coordinates are in the range of the parking forbidding area, whether illegal parking occurs is judged; if yes, a report is automatically generated, and system prompt information with illegal parking signs is generated. In this way, the problems that in traditional illegal parking inspection, the labor cost is too high, and the working efficiency and precision are low can be solved, the labor and material resource cost is reduced, and the working efficiency, management stability and precision are improved.

A school bus stop arm and drive unit therefor are disclosed. The stop arm includes a stop sign and a drive unit for moving the stop sign between a retracted position and a deployed position. In some embodiments the stop sign is illuminated. In some embodiments the drive unit includes a controller.

An analytic routine uses images from a cell phone, dash cam, or other portable electronic device to warn a driver that his / her vehicle is likely go through a red light, or fail to stop or sufficiently slow down at a stop sign or other stop signal. The analytic routine can be calibrated using relative sizes of a target in the first and second images, and apparent size of the target in the second image when at a time when the device is at an estimated or calculated distance to the target. Following calibration, the calibrated analytic routine uses information obtained from a third image to derive an estimated travel time to a second stop signal, and warns the driver to adjust a speed of the vehicle.

A system and method for deploying machine learning models with consistent fixed-point arithmetic processing. A computing device in a vehicle receives a trained machine learning model that was trained using training images processed with fixed-point arithmetic operations. The computing device receives images from a camera and processes the received images using fixed-point arithmetic operations that are consistent with those used during training. The machine learning model is executed using the processed images to detect objects such as vehicles, pedestrians, persons on bikes, stop lights, or stop signs. The computing device may comprise specialized hardware including a graphics processing unit (GPU), digital signal processing hardware decoder, or single-purpose hardware decoder such as an application-specific integrated circuit (ASIC) or field-programmable gate array (FPGA). The system may generate alerts or determine vehicle operation changes based on detected objects, and may operate in surveillance mode when the vehicle is parked.

The invention relates to an ultrahigh frequency RFID-based bus electronic stop board guide system and a guide method thereof, and the method comprises the steps: firstly, deploying an ultrahigh frequency RFID radio frequency unit at a bus electronic stop board end to recognize the identity of a bus waiting passenger at a stop in a real-time and non-contact manner, and determining the individual passenger and the potential or clear bus taking demands of the passenger; the real-time bus information of a line concerned by a passenger is directly pushed to the passenger or is preferentially and highlighted on a stop board, so that the time for the passenger to acquire the required information is greatly shortened, and the accuracy and efficiency of information acquisition are improved; secondly, through real-time statistics and analysis of the number of specific waiting passengers waiting for different routes on the station, the system can dynamically adjust the display priority, frequency and duration of information of each route according to the current actual demand, so that information display is more focused on the instant demand of the passengers, the utilization efficiency of the stop board screen resource is optimized, and the user experience is improved. And the interference of invalid information is reduced.

An analytic routine uses images from a cell phone, dash cam, or other portable electronic device to warn a driver that his / her vehicle is likely go through a red light, or fail to stop or sufficiently slow down at a stop sign or other stop signal. The analytic routine can be calibrated using relative sizes of a target in the first and second images, and apparent size of the target in the second image when at a time when the device is at an estimated or calculated distance to the target. Following calibration, the calibrated analytic routine uses information obtained from a third image to derive an estimated travel time to a second stop signal, and warns the driver to adjust a speed of the vehicle.

An ozone purification catalyst, and a preparation method therefor and an application thereof are provided. The catalyst coating uses macroporous, high specific surface and CeO2 and / or La2O3 modified Al2O3 as the carrier material, and Mn and / or Pd as the active component. The preparation method is to prepare the Al2O3-based material by a sol-gel method, and then to load the active components on the carrier material, and to dry, calcinate and solidify to obtain the ozone purification catalyst. The catalysts as prepared shows a fast and efficient purification of ozone. The complete conversion temperature covers a wide range of temperature. The catalyst has excellent texture performance, high specific surface area and large pore volume, which is beneficial to ozone purification when the car is running at high speed. The particle sizes and colors of the catalyst can be modified according to various requirements. According to the actual application, it can be coated on the radiator fins of automobile water tanks, and any place where coating is allowed in public areas such as urban bus stations, stop signs, kiosks, roadside guardrails, or exterior walls of buildings that is in contact with outdoor air.

The utility model relates to the technical field of bus interaction stop board cleaning, and discloses a bus interaction stop board cleaning device which comprises two lead screws, the two lead screws are sleeved with the same sleeve plate, sliding plates matched with the lead screws are arranged at the positions, where the lead screws penetrate, of the sleeve plate, and cleaning cotton is fixed to one side of the sleeve plate. First racks are fixedly connected to the two ends of the side, close to the cleaning cotton, of the sleeve plate correspondingly, a mounting box is arranged on the side, away from the sleeve plate, of the cleaning cotton, two inserting rods are fixedly connected to the inner wall of the mounting box, the two inserting rods are both sleeved with the same mounting frame, and inserting grooves matched with the inserting rods are formed in the positions, at the inserting rods, of the mounting frame. And a plurality of round rollers are arranged in the inserting grooves, the round rollers are rotationally connected with a mounting frame, second racks are fixedly connected to the two sides of the mounting frame, the second racks are connected with gears in an engaged mode, and the gears are matched with the first racks. The cleaning effect of the cleaning cotton can be guaranteed, and the service life of the cleaning cotton is guaranteed.

This invention relates to the field of public transportation technology, and particularly to a mobile electronic bus stop sign mounted on a bus. The sign includes a terminal device mounted on the right side of the bus. The terminal device is connected to a backend system via a network. The terminal device includes a housing structure with a display screen installed inside. The display screen is electrically connected to a control module installed inside the housing structure. The control module is connected to the backend system network via a communication module. A power module is installed inside the housing structure. The sign can display arrival prediction information for all routes passing through all stops; it can also display more basic information about bus routes, such as route name, direction of travel, first and last bus times, arrival reminders, and next stop reminders; and it can play media information, including videos, pictures, and text. Compared to traditional LED bus stop signs, this invention better meets the waiting needs of passengers and facilitates public transportation.

[Image disponible dans le document PDF, Image available in the PDF document] These active devices [1] are embedded in the passive / active roads details. These details can be signs like the stop, speed, no turning, traffic lights, warning lights and etc. These embedded active devices [1] are not limited to signs it could curve, lanes and etc. All information can be replaced with these predefined devices. Peter [Course title] Road way information detections systems consists of sensors on the autonomous vehicles and devices for the road.

1. The name of this design product: Leather Magnetic Parking Sign (T‑202). 2. Purpose of this design product: used for temporary parking telephone number signs. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of this design product: Electronic bus stop sign (double-sided 32 inches). 2. Purpose of this design product: bus stop sign used to display bus information. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

1. The name of this design product: Electronic bus stop sign (CD style 55 inches). 2. Purpose of this design product: bus stop sign used to display bus information. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

To allow a vehicle user to grasp whether the vehicle user is appropriately behaving for driving.SOLUTION: A control unit of an information processor acquires the position of a temporary stop sign installed at an intersection ahead in the travel direction of a vehicle. The control unit of the information processor determines whether the vehicle has temporarily stopped within a first range as a first driving evaluation. The control unit determines whether the vehicle has traveled at or below a predetermined speed within a second range ahead of the first range in the travel direction as a second driving evaluation. The control unit outputs the results of the first and second evaluations. The first range and the second range are set according to the acquired position of the temporary stop sign.SELECTED DRAWING: Figure 6

This invention relates to the field of smart city technology, and in particular to a method and system for accurately pushing dynamic information from smart city bus stop signs. The method involves constructing a query semantic representation structure by collecting query requests and scene state information, obtaining a joint understanding representation through multi-level semantic association modeling with scene state information, performing scene-constrained multi-hop reasoning in a public transport knowledge association network, filtering and generating candidate answer sequences, calculating scene suitability scores, selecting the optimal answer to generate push content, and collecting interactive feedback to adaptively adjust feature fusion weights to form a closed-loop optimization. This achieves accurate dynamic push of public transport information and improves user experience.

The utility model relates to the technical field of indication board structures, in particular to a parking signal board which comprises a base unit, a signal transmission unit and a signal transmission unit. The rotating unit is rotationally connected to the base unit, a stop mark is arranged on one face of the rotating unit, the rotating unit is provided with a first position and a second position, and when the rotating unit is located at the first position, the plane where the rotating unit is located is parallel to the plane where the base unit is located; when the rotating unit is located at the second position, the included angle between the plane where the rotating unit is located and the plane where the base unit is located is larger than 0. And the fixing unit is arranged on the bottom surface of the base unit, and the fixing unit is used for clamping a track. By means of the parking signal board, the defects that in the prior art, when railway business section blocking construction is conducted, a temporary parking signal board needs to be arranged in a railway business line safety limit, but an existing parking signal board needs to be fixed to a fastener bolt on the outer side of a rail, and the installation and disassembly process is tedious are overcome.

The present invention provides a method that specifically includes: performing target detection on each frame of a bus inspection video using an improved YOLOX algorithm; removing invalid data based on the detection results obtained in step 1; obtaining a usable frame sequence based on the processed detection results obtained in step 2 using an available frame search algorithm; and inputting the usable frame sequence into a DGoogLeNet network to obtain key frames from the bus inspection video. The key frame acquisition algorithm proposed in the present invention can significantly improve the efficiency of anomaly detection for bus stop signs.

The utility model discloses an electronic bus stop board, which relates to the technical field of electronic information and comprises a support structure connected with the ground, symmetrical tripods are fixed at the top of the support structure and serve as top supporting and fixing structures of the electronic bus stop board, and two sides of the tripods are respectively and fixedly connected with side joists which are linearly arranged. A top plate is fixed at the tops of the side joists and the tripod; and a signal transceiving antenna is mounted at the top of the top plate. According to the electronic bus stop board, the information display structures of the electronic bus stop board are respectively arranged on the inner walls of the slope panels, so that waiting information can be prevented from being shielded by waiting passengers, other waiting passengers are prevented from being influenced to watch the waiting information, and a traditional installation mode that an LCD (Liquid Crystal Display) screen is directly connected with the ground is abandoned; the LCD display screen can be prevented from blocking the view of passengers who wait for the bus to observe the coming bus, and the convenience of the passengers to wait for the bus is improved.

The utility model relates to the technical field of municipal propaganda and livelihood equipment, and discloses a bus stop board with deicing equipment. The utility model discloses a bus stop board, and aims to solve the technical problems that in the prior art, the structure is single, in rainy and snowy weather in winter, a passenger waiting area of a bus stop board is often frozen into ice, inconvenience is brought to passengers and buses, the wind and snow resistance of equipment is poor, and various potential safety hazards are probably induced. The information display screen is vertically arranged in front of a waiting space, the windproof fence is vertically arranged behind the waiting space, a photovoltaic panel is mounted above the information display screen, an electric energy output end of the photovoltaic panel is connected with deicing equipment, and the deicing equipment comprises a heating device and an air heater which are arranged below the waiting space. The whole design integrates environmental protection, energy conservation, safety and practicability, can adapt to diversified requirements of urban bus use environments, and is beneficial to improving the service level of urban buses.

The utility model provides a kind of passenger vehicle right side rearview mirror integrated type stop board device, to solve the problem that current stop board is easily blocked, and passenger is difficult to see information. It includes mounting bracket, display panel and anti-glare transparent cover, mounting bracket is located in right side rearview mirror front end, display panel is installed on it, and it is electrically connected with vehicle control system through CAN bus to display line information, anti-glare transparent cover is fixed in rearview mirror and covers display panel. In addition, display panel orientation is 15 °-30 ° outside angle of extension with vehicle direction of advance, center line is 1.8-2.2 meters from ground, and LED electronic screen is used;Mounting bracket is aluminum alloy material, and it contains rotatable pivot and motor, and display panel angle can be adjusted. The device uses the advantage of rearview mirror, reduces shielding, and passenger obtains line information conveniently, and improves ride experience.

The invention relates to the technical field of bus early warning, in particular to an abnormal bus state early warning method and system based on an intelligent electronic stop board. The method comprises the following steps: acquiring real-time operation data and historical operation data of a bus; determining an abnormal state early warning model according to the historical operation data; determining abnormal state early warning information of the public transport vehicle according to the real-time operation data based on the abnormal state early warning model; and sending the abnormal state early warning information to an intelligent electronic stop board for display. Accurate and practical early warning information is provided, and passengers are assisted to make decisions. And the abnormal state early warning information is sent to the intelligent electronic stop board to be displayed, so that the information is ensured to be clearly transmitted, and the perception and trust of passengers on bus services are improved.