36 results about "Pedestrian" patented technology

The invention relates to the technical field of indoor location and navigation and specifically relates to an indoor pedestrian locating system for counting steps based on magnetic field features and accelerated velocity information. The indoor pedestrian locating system comprises a magnetic field and accelerated velocity sensor data acquisition module, an accelerated velocity sensor step counting module, a magnetic field projection module, a magnetic field database training module, an inert sensor and magnetic field fusion module, a geomagnetic matching locating module and an outputting module. According to the indoor pedestrian locating system disclosed by the invention, magnetic field information and accelerated velocity information can be obtained by the magnetic field and accelerated velocity sensor data acquisition module; a magnetic field intensity sequence of a pedestrian in moving can be obtained by the accelerated velocity sensor step counting module, the magnetic field projection module and the inert sensor and magnetic field fusion module; magnetic field data are matched in the geomagnetic matching locating module and the magnetic field database training module to obtain locating results; thus, location can be achieved without installing extra signal emission equipment.

The invention provides a pedestrian collision lower limb protection device. The pedestrian collision lower limb protection device comprises a first buffer block, a first telescopic device, a second buffer block, a second telescopic device, an installation bracket, a pedestrian detector and a central controller. The installation bracket is used for being installed on the front portion of an automobile. The first telescopic device is installed on the upper portion of the installation bracket. One end of the first telescopic device is connected with the installation bracket, and the other end of the first telescopic device is connected with the first buffer block. The second telescopic device is installed on the lower portion of the installation bracket. One end of the second telescopic device is connected with the installation bracket, and the other end of the second telescopic device is connected with the second buffer block. The central controller is electrically connected with the first telescopic device, the second telescopic device and the pedestrian detector, receives information transmitted by the pedestrian detector and transmits instructions to the first telescopic device and the second telescopic device. According to the pedestrian collision lower limb protection device, pedestrians with different heights can be well protected during man-automobile collision accidents.

The invention discloses a system and a method of monitoring illegal traffic parking in a yellow grid line area. The system comprises a high-definition camera, a light supplement lamp, an industrial control computer, network equipment and a computer monitoring system. The camera and the light supplement lamp are arranged on a portal frame of a monitored road section. The industrial control computer is arranged inside a roadside power supply box. The high-definition camera and the light supplement lamp are electrically connected with the industrial control computer through network cables. The industrial control computer is electrically connected with the computer monitoring system through the network equipment via a network cable. The industrial control computer receives shooting data of the high-definition camera and meanwhile identifies the license plates of illegally parking vehicles. The system has the beneficial effects that interference of trees, pedestrians and other motor vehicles is effectively filtered by selecting a binary morphology algorithm during an image segmenting and identifying process; and great anti-noise performance is achieved. By adopting an optimized image processing method, the system can monitor illegal parking behaviors in yellow grid line areas of four lanes simultaneously. The system achieves a high recognition rate, high accuracy and high real-time performance.

The invention discloses a construction method of mutilevel overpass scaffold, comprising the following steps: building a bottom layer scaffold provided with steel frame doorways for vehicles and pedestrians to pass, checking and installing a deformation monitoring system, and carrying out a load pressure test on the bottom layer scaffold; building at least two layers of bridge scaffolds on the bottom layer scaffold, building box girder doorways for bridge construction on the bridge scaffold, installing the deformation monitoring system on the box girder doorway and carrying out comprehensive load test. The bottom layer scaffold is provided with the steel frame doorway so as to meet the passing demand of big traffic flow; each layer of the middle part can be provided with the mutually crossed box girder doorways in the same plane and can be provided with the mutually crossed box girder doorways in the vertical direction, therefore optionally carrying out construction according to requirements; the whole scaffold only needs to be built and removed once, not only shortening the building and removing time of the scaffold but also reducing the risk of building and removing the scaffold; and each level of bridge can be constructed at the same time, and therefore, the construction period is short and the construction cost is low.

The invention relates to a roadway flood protection and traffic barrier which provides a smooth upper surface for vehicles, pedestrians, etc. and is thin enough to be mounted to the surface of an existing roadway or parking garage ramp, for example. A hinge mechanism is disclosed which facilitates the provision of a smooth roadway surface as well as a tight seal. A locking strut is provided that keeps the gate panels raised even in case of air pressure loss and which is remotely controllable.

The invention provides a pedestrian real-time detection method based on video. At the detection stage, a calibrated binocular camera is used for acquiring the video, and a disparity map of each frame of image is calculated; each image is divided into a background region and a non-background region through the disparity map; a candidate region, needing detection, of a current frame is determined through a previous-frame detection result, a region which is the non-background region and the candidate region at the same time serves as a region needing detection, and only the region needing detection is detected in the following process. The characteristics of pedestrians can be rapidly and accurately detected, compared with a traditional HOG and other modes, the method is lower in complexity and higher in speed, and can meet real-time and accurate detection requirements.

The embodiment of the invention discloses a building entrance determination method and device based on pedestrian track plotting. The method comprises the steps that GPS positioning information and pedestrian track plotting records sent by a mobile terminal are acquired; longitude and latitude coordinates of a determined positioning point are obtained according to the GPS positioning information,and the access track including the determined positioning point is obtained according to the pedestrian track plotting record; the longitude and latitude coordinates of an intersection point corresponding to the intersection point of the entrance and exit track and the building contour are obtained according to the position relationship between the building contour and the determined positioning point in the map and the longitude and latitude coordinates of the determined positioning point; the obtained longitude and latitude coordinates of the intersection points are clustered to obtain longitude and latitude coordinates of key points on a building entrance and an entrance longitude and latitude coordinate range; and the longitude and latitude coordinates of the key points and the longitude and latitude coordinate range of the entrance are recorded for automatically identifying the building entrance. The identification accuracy is high, and reliable basis is provided for positioning.

The invention discloses a community road indication method. Directions are given on the basis of a guiding device arranged at a predetermined location in a community, the guiding device comprises an adjustable a guiding mark and a certain monitoring area; the community road indication method includes: judging whether pedestrians are in the monitoring area or not, and if yes, acquiring image information of the pedestrians; comparing the image information of the pedestrians with pre-stored household information or visitor information and judging whether any household information or visitor information in the household information or visitor information matches the image information of the pedestrians or not; determining destination of the pedestrians according to a judgment result; controlling the guiding mark to point to the direction of the destination of the pedestrians according to the destination of the pedestrians.

The invention relates to a cross-mirror pedestrian trajectory tracking method and system, an electronic device and a storage medium. An image collection device captures a portrait image, and forms first-level structural information according to the portrait image, a timestamp and the position information of the image collection device; a site server obtains the first-level structured information of the multiple image acquisition devices in the site range, obtains the portrait recognition confidence coefficient of the target pedestrian according to the first-level structured information, judges whether the portrait recognition confidence coefficient is larger than a face absolute confidence threshold value or not, and if the judgment result is yes, stores the first-level structured information in a target ID corresponding to the target pedestrian, and obtains second-level structured information from multiple pieces of first-level structured information of the target ID; and a cloud server obtains the second-level structured information of the plurality of site servers, and integrates the plurality of pieces of second-level structured information according to the timestamps and the position information of the image acquisition device to obtain the pedestrian real-time trajectory corresponding to the target ID, thereby improving the precision and real-time performance of pedestrian trajectory tracking.

An embodiment of the present invention relates to the technical field of image processing and discloses a pedestrian image quality evaluation method, an electronic device, and a computer-readable medium. The method comprises a step of separately determining a first score and a second score of an image to be evaluated, wherein the first score is positively correlated with the completeness of a pedestrian image included in the image to be evaluated, and the second score is negatively correlated with the blur degree of the image to be evaluated, and a step of determining a target score accordingto the first score and the second score, wherein the target score is an image score of the image to be evaluated. In the invention, the quality of the image to be evaluated is determined according tothe completeness of the pedestrian image included in the image to be evaluated and the blur degree of the image to be evaluated, and the quality of the pedestrian image can be evaluated reasonably andobjectively.

The invention provides a pedestrian re-identification method for generating by using a target posture, and belongs to the field of computer vision. According to the method, the generative adversarialnetwork is utilized to generate the target pedestrian in the specific posture under the condition of giving the target posture and the pedestrian, the posture is normalized, and then the influence ofthe posture on the pedestrian is eliminated. Specifically, the method is divided into two parts: (1) generating pedestrians in a given posture by utilizing a generative adversarial network under the condition of the given target posture and the pedestrians; (2) performing feature extraction through a feature extraction network by utilizing the generated pedestrian with the target posture and the pedestrian with the real target posture, and then performing feature fusion on the pedestrian with the target posture and the pedestrian with the real target posture to form a feature vector; and carrying out the same operation on the real target posture pedestrian, so that two feature vectors are obtained; finally, performing distance measurement on the obtained feature vector, and combining information of a pedestrian camera. Further the identification performance is improved.

The invention discloses a test method for indicating efficiency of a pedestrian mark in a comprehensive transportation junction. The test method comprises the following steps: (1) selecting a pedestrian streamline in a junction; (2) arranging a plurality of task points in the selected pedestrian streamline and dividing the pedestrian streamline into a plurality of sections by the task points; (3) defining indicating efficiency index zs of the pedestrian mark; (4) measuring the length of each of the sections; (5) recruiting a plurality of testers; (6) establishing a pedestrian path-finding test recording table for the comprehensive transportation junction; (7) performing a pedestrian path-finding test in the junction, wherein the test is divided into two stages: in a first test stage, simulating a pedestrian going through a totally strange junction environment, and in a second test stage, simulating the pedestrian walking at a normal walking speed after knowing the environment very well, and taking as a contrast set for the first stage test; (8) calculating the indicating efficiency index zs of the pedestrian mark according to the data acquired through the test. The test method can be used for objectively quantizing and evaluating the guiding efficiency of a pedestrian mark system in the comprehensive transportation junction.

The invention belongs to the technical field of streetlamps, and particularly relates to a streetlamp capable of monitoring illegal activities on roads. The streetlamp comprises a lamp cover, an illuminating lamp and a lamp pole. A sampling monitor is arranged in the middle of the upper half part of the front face of the lamp pole, and a speed measurement device is arranged in the middle of the front face of the lamp pole. The speed measurement device and the sampling monitor are in series connection and are electrically connected with a power source through a control chip. A buzzer is arranged on the lower half part of the front face of the lamp pole and is connected with adjacent traffic lights through the control chip. When the traffic lights change from green to yellow, the control chip controls the buzzer to give out an alarm, and warnings are given to pedestrians and drivers. The sampling monitor monitors the condition of road traveling and the condition of the pedestrians at any time, and the speed measurement device is used for measuring the traveling speed of drivers; when the traveling speed measured by the speed measurement device exceeds the set maximum speed, the control chip controls the sampling monitor to conduct sampling. Accordingly, the warnings are given to the pedestrians and the drivers, and the probability of running the red light is reduced; furious driving vehicles are also recorded, so that the streetlamp can assist the traffic police in handling the problem of illegal activities on roads.

The invention discloses a road-occupying operation monitoring method based on target detection and pedestrian tracking, and the method comprises the following steps: setting the position of a target monitoring region according to a video image obtained by a road monitoring camera, and carrying out the continuous image extraction of an input video stream according to a preset period, using the trained target detector to detect the lane occupying behavior; when the target detector detects that a road occupying behavior exists in the video image, starting to detect people appearing in the video image, and when people are detected, starting pedestrian tracking, and recording each person appearing in the video image and a movement track of each person; and analyzing the pedestrian trajectory data in the video stream, judging whether the pedestrian trajectory data accords with the road-occupying operation behavior characteristics or not, if so, triggering an alarm, and if not, ignoring the road-occupying behavior. According to the invention, by combining the moving track information of the person appearing in the monitoring scene, the road-occupying operation behaviors are automatically and accurately analyzed, researched and judged, temporary lane occupation and road-occupying operation events can be effectively distinguished, and the false alarm rate is reduced.

The invention relates to the technical field of municipal road environment protection construction, in particular to a greening trimming device for municipal road environment protection. By adopting the greening trimming device for municipal road environment protection, the dust raising phenomenon during trimmingof a greening lawn can be alleviated, the surrounding environment is improved, and theeffect of protecting pedestrians passing by, an environment protection effect and the usage reliability are improved; meanwhile, the positions of cutting blades can be adjusted as required, so that it is convenient to control the height of the trimmed greening lawn, the adaptive capacity is improved, and the usage limitation is reduced; garbage such as grass blades can be correspondingly disposedduring trimming, the subsequent workload and the labor intensity are reduced, and the usability is improved. The greening trimming device for municipal road environment protection includes a vehiclebody, multiple groups of motors and multiple groups of cutting blades and further includes a water tank, a shunt pipe and multiple groups of electric spray nozzles, wherein the output ends of the electric spray nozzles are all aligned with the cutting blades; the greening trimming device further includes two sets of retractable motors, a connection plate, a placement box, auxiliary parts, a baffledoor, an exhaust fan, an input square tube, a smashing part and a feeding hopper.

The invention discloses a guardrail with a movable function and for rail traffic construction. The guardrail comprises a plurality of connection units and a plurality of support units, and two adjacent support units are connected by a connection unit; the connection units comprise stop levers and stop ropes, both ends of each stop lever are rotatably connected with rotating blocks through bearings, and a threaded rod is fixedly connected to one end, away from each stop lever, of each rotating block; and the support units comprise cylindrical bases, the upper surfaces of the bases are fixedly connected with frustums, the outer side wall of each frustum is fixedly connected with two symmetrical mounting bases and a lacing hole formed in one side of each mounting base and a connecting rod arranged on the other side of each mounting base, spherical support seats are fixedly connected to the top ends of the frustums, the outer side walls of the support seats are provided with threaded holes, and each stop lever is connected with the threaded holes in the two adjacent support units through the threaded rods at both ends. The guardrail with the movable function and for the rail traffic construction is simple in structure, easy to install, fix and dismantle, and can remind pedestrians and vehicles by reflecting light from reflectors at night.

The invention discloses an intelligent street lamp management and control system which comprises a main control module, a remote monitoring center and a storage module, and further comprises a power supply module, an environmental parameter acquisition module, a video monitoring module, a brightness sensing module, a pedestrian and vehicle sensing module, a street lamp brightness adjusting module,a communication module and a street lamp module which are mounted on a street lamp pole. According to the invention, the road surface condition can be monitored in real time, the intelligence, automation and comprehensiveness of the whole management and control system are greatly improved, and the system has high practical value and wide application prospect.

The invention relates to a sinkable buffer type hood hinge. The sinkable buffer type hood hinge comprises a hinge base, a hinge leaf, a hinge arm and a locking structure, wherein the hinge base is used for being fixedly connected with a vehicle body, and a track groove is formed in the hinge base; the hinge leaf is connected with the hinge base in a pivoted mode, a connecting pin is arranged on the hinge leaf, the connecting pin penetrates through the track groove, and when the hinge leaf rotates relative to the hinge base, the connecting pin moves in the track groove; one end of the hinge arm is used for being fixedly connected with an engine hood, and the other end of the hinge arm is connected with the hinge leaf in a pivoted mode; and the locking structure is assembled on the hinge base and used for locking or unlocking the connecting pin. According to the sinkable buffer type hood hinge, a certain collapse space is provided, pedestrians are prevented from making direct hard point contact with the hinge structure, and the collision damage value of pedestrian protection heads is reduced; and on the other hand, due to the fact that the whole hinge part is not damaged in the sinking process, the hinge part can be repeatedly used and does not need to be replaced again.

The invention relates to a building energy consumption monitoring and management system which comprises a plurality of lighting areas, a plurality of lighting lamps arranged in each lighting area anda pedestrian volume data collector, and further comprises a control module. The control module comprises a time control module, a control unit and a display. The control unit is electrically connectedwith the lighting lamp in the lighting area. The invention further relates to a monitoring method, a building energy consumption monitoring management system is included, a remote background is further included, the control module further comprises a wireless signal transmission module, and the wireless signal transmission module is electrically connected with the control unit. And the control module is used for processing the data signals acquired by the pedestrian volume data acquisition device and comparing the data signals with the data signals acquired by the light acquisition device soas to adjust the brightness in the building. By means of the control module, energy consumption can be saved to the maximum extent, and convenience and practicability are achieved.

The invention discloses a solar lighting lamp with an automatic cleaning function. The solar lighting lamp comprises a lamp holder, a first connection rod, a photovoltaic panel, a connection seat a fixing rod, an electric extensible rod and a roller, a sound receiver is arranged on the right side of the outside of the lamp holder, a PLC is arranged on the right side of the outside of the lamp holder and positioned above the sound receiver, a storage battery is arranged on the left side of the outside of the lamp holder, the first connection rod is mounted on the left side of the outside of thelamp holder, a fixing seat is arranged at the end of the right side of the electric extensible rod, a rotating rod is arranged on the left side of the outside of the roller, and the roller is rotatably connected with a bearing through the rotating rod. By arranging the sound receiver, the PLC, a second connection rod, a servo motor, the fixing rod, the electric extensible rod and the roller, theproblem that great inconvenience is brought to pedestrians caused by the fact that lighting is affected and lighting position of an existing solar lighting lamp cannot be adjusted as the existing solar lighting lamp does not have an automatic cleaning function is solved.

A rail arrangement for rail vehicles furnished with flanged wheels. To reduce the risk of accident existing in connection with grooved rails, particularly for cyclists and pedestrians, a rail arrangement is provided including a. a rail (2) having a rail head (3), a rail web (4) and a rail base (5), the rail head (3) having a drive rail (6), a guide rail (7) and a rail groove (8) lying therebetween; and b. a filler profile (9) arranged in the rail groove (8).