26 results about "City street" patented technology

The invention discloses a multi-fractal-based urban green vision rate dynamic evolution mode identification method. The method comprises the following steps: S100, acquiring urban street green vision rate data; s200, acquiring urban multi-scale walking isochronous circle data, and acquiring walking reachable areas within 5 minutes, 10 minutes, 15 minutes and 20 minutes through an API (Application Program Interface) of an OpenRouteService platform on the basis of an urban road network; s300, identifying a dynamic evolution mode of the green vision rate; and S400, identification result demonstration, including spatial distribution of a green vision rate dynamic evolution mode, key threshold identification and spatial structure differentiation, is used for assisting urban greening structure optimization and scientific intervention strategy formulation. According to the method, the problems of staticization, single scale and insufficient structure expression in the existing urban street view green visual rate analysis are solved.

The application discloses a flood simulation method based on urban infrastructure and a device thereof, and the method comprises the following steps: collecting street view images of a city, wherein the street view images comprise street view data collected from different urban infrastructures at different angles and different times; classifying and processing the street view data according to the types of the infrastructures, and extracting urban infrastructure data; fusing the infrastructure data and terrain data of the city to obtain fused terrain data of the city; dividing catchment areas of the city based on the fused terrain data and extracting water system data, and establishing a flood simulation model based on urban infrastructure according to the water system data, so that the influence of urban street networks, fence systems, buildings and other infrastructures on urban flood processes is fully considered, the simulation accuracy of a city rainstorm flood model is improved, and urban flood disasters are reduced.

The utility model provides a self-rolling reconnaissance ball for city street battle, which belongs to the technical field of spherical robots and comprises a ball body provided with a containing cavity and a reconnaissance hole; the bracket is rotatably connected with the ball body and is positioned in the accommodating cavity; the camera is connected with the bracket; the driving assembly comprises a gear ring, a gear and a first motor, the gear ring is connected with the support, the gear is connected with the first motor and meshed with the gear ring, and the first motor is connected with the support; and the power supply element is connected with the bracket. The beneficial effects of the utility model are that the first motor drives the gear to rotate and drives the sphere to move relative to the support through the gear ring, so that flexible movement is realized, and the camera can shoot clear pictures; the self-rolling investigation ball for the city street battle can autonomously move in a complex city street battle environment and carry out reconnaissance.

The application provides a multifunctional folding table for a tree pool of a smart city, and belongs to the technical field of urban public facilities and municipal engineering. The multifunctional folding table for the tree pool of the smart city comprises a plurality of support columns arranged around a tree trunk. The plurality of support columns are provided with an auxiliary mechanism. A lifting mechanism for driving the auxiliary mechanism is arranged in the support columns. A compensation assembly is arranged at the bottom of the support columns. An adjusting assembly is arranged at the bottom of the support columns. The compensation assembly and the adjusting assembly are transmissionally connected. The tree pool is used as a carrier, a three-layer rest layer is arranged, and functions such as a rest bench, a storage table top and a fence protection are integrated. The independent structure does not need to be newly added. The tree pool space idle problem is solved without changing the land attribute of the tree pool and affecting the growth of the tree, and the utilization rate of the urban street public space is significantly improved.

The present application relates to the technical field of plant intelligent identification, and particularly relates to a method for intelligently identifying pollen-allergic plants based on a YOLO network. The method comprises the following steps: collecting video data of pollen-allergic plants in the air in urban streets, and constructing an image data set of pollen-allergic plants in the air; using LabelImg software to label the categories of pollen-allergic plants in the air in the images in the image data set of pollen-allergic plants in the air, and automatically generating an.xml file; training and optimizing a YOLOv8 model, saving the best weight file after training, and obtaining a YOLO intelligent identification model for pollen-allergic plants in the air; inputting video data to be detected or pictures to be detected, detecting the video data, and outputting corresponding target detection results. The method of the present application is used for identifying pollen-allergic plants in urban streets, and provides a reference for urban community layout, selection of greening tree species, and community configuration, and has the characteristics of high identification accuracy.

1. Name of this design product: Road Crack Sealing and Maintenance Vehicle. 2. Application of this design: This design belongs to the field of road repair equipment and is used for road repair in various working conditions such as urban streets, elevated tunnels and bridges, highways, cement and coal mines, docks and ports, metal smelting, warehouses and runways. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: street lamp (bamboo rhyme). 2. The use of the design product: for the fixation and display of outdoor lighting and road traffic signs in urban streets, parks, squares, pedestrian streets, residential areas, tourist attractions, commercial areas, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention discloses an urban street space safety prediction method based on human-vehicle collision risk assessment, and belongs to the technical field of smart city and public safety. The problems that existing urban street space safety prediction is low in efficiency and poor in evaluation accuracy are solved. According to the method, standardized dynamic-static security features of a target city are obtained, and an undirected graph model is established in combination with a topological structure of streets of the target city; fitting distribution of feature data of each node in the undirected graph model by using a Gaussian mixture model, and optimizing potential function parameters of the undirected graph model through maximum likelihood estimation to obtain a target city street safety probability graph model; establishing a domain adaptive graph neural network, adding a local sample of a target city to train and adjust the graph neural network, and obtaining a street safety assessment model suitable for the target city; and inputting parameters of the street safety probability graph model of the target city into the street safety evaluation model to realize street space safety prediction of the target city. The method is suitable for urban street space safety prediction.

1. The name of the design product: street lamp (open of Davidia involucrata Baill). 2. The use of the design product: for the fixation and display of outdoor lighting and road traffic signs in urban streets, parks, squares, pedestrian streets, residential areas, tourist attractions, commercial areas and other places. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

A kind of urban street view information retrieval method, comprising the following steps: S100, street view data acquisition, by Google map API interface, obtain a city full city street view image information and its corresponding geographic latitude and longitude information;S200, street view image visual feature extraction and quantization, the visual feature of street view image is extracted and quantitatively analyzed multidimensionally, constructs comprehensive visual representation system, wherein including: visual entity representation, visual impression representation and visual field structure representation three big categories;S300, the formation of street view data comprehensive training and intelligent search system, the street view visual representation system data set is comprehensively trained using self-organizing mapping neural network algorithm, constructs structured, visual street view feature distribution diagram, forms the core system of intelligent search system;S400, the use of intelligent search system, including street view visual information retrieval, visual display and interactive exploration.Provide intuitive, efficient city street view data query and analysis service.

The invention discloses an urban street quality optimization method and device, a medium and equipment, and the method comprises the steps: obtaining road network data, street scene picture data, interest point data, remote sensing data and community housing rental and sale price data of a to-be-analyzed region, and taking the data as a data set; constructing a street quality index system, and calculating the quality index of each feature in the street quality index system according to the data set; determining the factor weight of each quality index according to the importance score of each quality index for the housing price; according to the accumulative local effect graph of each quality index and the housing price, calculating the optimal interval of each street quality factor construction; and according to the difference value and the factor weight between the current construction situation of each street and the optimal interval, identifying a to-be-improved area of the street quality and an improvement time sequence of each street. According to the scheme, the universality and diversity of the samples can be improved, the working efficiency is improved, large-scale refined street quality evaluation can be conveniently achieved, and the improvement time sequence of the street quality is determined.

The application provides a kind of city drainage pipe network clogging real-time analysis method based on street monitoring, to solve the problem that city rainwater pipe network siltation is difficult to be found in time, siltation position and degree are difficult to determine, professional pipe network monitoring equipment is expensive, and real-time analysis and diagnosis are difficult, the present application combines existing city street monitoring and convolutional neural network (CNN) real-time calculation flood situation, using city rain flood model, monte carlo method, back propagation neural network (BP) coupling model for pipe network siltation and position real-time judgment analysis, in addition, the city drainage pipe network clogging real-time analysis method based on street monitoring provided by the application does not need professional equipment, does not need to add hardware equipment, and can realize real-time calculation of city rainwater pipe network siltation position and degree prediction.

1. The name of the design product: street lamp (moon guitar). 2. The use of the design product: for the fixation and display of outdoor lighting and road traffic signs in urban streets, parks, squares, pedestrian streets, residential areas, tourist attractions, commercial areas, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention discloses an optimal touring path optimization selection method for an urban landmark group based on behavior preference, and the method comprises the steps: obtaining urban landmark positions and urban road network data, calculating the shortest touring path in all touring sequences, and taking the shortest touring path as an alternative path; the selection identification degree of the alternative paths is calculated, and sightseeing visual angle attraction evaluation is carried out; acquiring urban bus station data, and carrying out bus connection accessibility evaluation on alternative paths; urban street building distribution and function attribute data are obtained, and interface function richness evaluation of alternative paths is carried out; acquiring point density data of the urban population, and evaluating the visit space vitality of the alternative paths; and finally, on the basis of user behavior preference requirements, comprehensive weighted evaluation is carried out from four dimensions, and the path with the highest comprehensive score is determined as the optimal recommended path. According to the invention, a more comprehensive and personalized urban landmark group touring path can be generated.

This invention discloses a method for optimizing the allocation of urban street green space resources based on lidar, relating to the field of urban planning and management. The method includes: acquiring lidar point cloud data of a target urban street area, preprocessing and classifying it, and extracting vegetation point clouds representing street trees; calculating shape parameters reflecting the external characteristics of street trees, and quantity parameters reflecting the volume and visual greenness of the green space; constructing a comprehensive greening index reflecting the combined relationship between the shape and quantity parameters, and determining key thresholds for matching the shape and quantity parameters through a piecewise linear regression model; and based on the key thresholds, classifying each street within the target urban street area into different types, generating corresponding green space resource optimization allocation strategies. This method achieves collaborative analysis of the shape and quantity indicators of urban street greening, and, based on objective thresholds, classifies them to generate differentiated and human-centered green space resource optimization allocation strategies.

1. The name of the design product: street lamp (fire dance). 2. The use of the design product: for the fixation and display of outdoor lighting and road traffic signs in urban streets, parks, squares, pedestrian streets, residential areas, tourist attractions, commercial areas, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application discloses a kind of based on behavior simulation severe cold city life activity street ice and snow road surface traffic efficiency evaluation method, belong to severe cold city traffic planning and simulation technical field.Step one: build micro heterogeneous ice and snow road surface environment model;Step two: establish the motion logic of agent based on "speed-friction" coupling;Step three: implantation based on finite state machine FSM fall trigger mechanism;Step four: execute the attribute mutation logic of "dynamic obstacle" of falling individual;Step five: based on collision time algorithm TTC simulation secondary congestion;Step six: multi-dimensional index evaluation of traffic efficiency.The present application is aimed at the problems existing in the evaluation of micro pedestrian simulation technology in severe cold city street, such as road surface attribute homogenization, lack of mutation logic of individual motion state, and inability to restore the space blocking effect after pedestrian falls.

1. Name of the product in this design: Streetlight (Soaring High). 2. Application of this design: for the fixing and display of outdoor lighting and road traffic signs in urban streets, parks, squares, pedestrian streets, residential areas, tourist attractions, commercial districts and other places. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

A spectacle eyewear device and methods for using a spectacle eyewear device to attenuate glare experienced by a person while driving a car during nighttime hours. The lenses of the spectacle eyewear device provide spatially non-uniform light attenuation using an optical filtering material that is gradiently disposed along an gradient axis oriented between 10 degrees to 30 degrees away from the vertical axis of the lenses. In some variations the average visible light transmittance in a first quadrant of the lenses is less than 30 percent and is greater than 70 percent in a second quadrant. In some variations the lenses comprise a selectively disposed blue-light reflective coating. In some variations the spectacle eyewear device is configured for use on urban city streets and freeways. In some variations the spectacle eyewear device is configured for use on country roads and two-lane highways.

This invention relates to the fields of ecological environment monitoring and bioacoustics, specifically disclosing a method for monitoring the distribution of bird activity in urban streets based on the intensity of bird calls. This method simultaneously collects multi-channel audio and video data from street areas, uses visual information to identify non-bird dynamic sound sources and constructs a spatial sound source mask model, and combines beamforming technology to directionally focus the audio signal and attenuate interference frequencies. Subsequently, it detects bird call events and calculates their intensity, correlates them with spatial positioning information to generate a spatiotemporal distribution map of bird activity intensity, and verifies the validity of the call events through video verification. This invention improves the signal-to-noise ratio and monitoring accuracy through audio-visual fusion and a closed-loop verification mechanism, achieving highly reliable and high spatial resolution monitoring of urban bird activity distribution.

The invention relates to the technical field of computer vision and artificial intelligence, in particular to an urban street scene representation method based on multilevel semantic tag enhancement, which comprises the following steps: acquiring an urban street scene image, and constructing a street physical semantic feature model based on visual elements; constructing a street space semantic feature model based on the visual elements; constructing a street function semantic feature model based on the interest points; and constructing a street scene representation model based on the graph convolutional neural network. According to the method, the problems of single semantic granularity and single semantic type in urban street scene representation in an existing method are solved.

The invention provides an ecological environment-friendly cool street pavement structure and a construction method thereof. The street pavement structure sequentially comprises a heat reflection coating, a colored pervious concrete surface layer, a graded broken stone base layer, a water storage layer and a concrete bottom plate from top to bottom, concrete side plates are arranged on the two sides of the concrete bottom plate, and waterproof geotechnical cloth is laid between the concrete bottom plate and the water storage layer and on the inner walls of the two concrete side plates; a water inlet and a water outlet are formed in the two ends of the advancing direction of the street pavement structure respectively, the water inlets are located at the bottom of the graded broken stone base and the top of the water storage layer, the water outlets are located at the bottom of the water storage layer and the top of the concrete bottom plate, and a water inlet pipe communicated with the water inlets and a water drainage pipe communicated with the water outlets are arranged in the water storage layer. Through the synergistic effect of water stored by the water storage layer for evaporative heat dissipation and heat reflected by the colored pervious concrete surface layer, pavement cooling is achieved, the urban heat island effect is relieved, and the ecological environment of urban streets is improved.

The utility model discloses an urban old street replaceable signage display device which comprises a supporting frame, the supporting frame comprises a transparent plate and a supporting plate connected with the transparent plate, the supporting plate is connected with a wall body, an installation space is formed between the supporting plate and the transparent plate, and the transparent plate is arranged in the installation space. The bottom of the supporting plate is provided with a mounting opening penetrating through the supporting plate, the mounting opening is communicated with the mounting space, the display panel is arranged in the mounting space, a limiting assembly is arranged in the mounting space, the limiting assembly is suitable for being connected with the display panel so as to be suitable for fixing the display panel, and a sealing assembly is arranged in the mounting space. The sealing assembly is located at the mounting opening, the sealing assembly comprises a connecting mechanism and a cover plate, the connecting mechanism is suitable for being connected with the cover plate and the inner wall of the mounting opening, the display plate is arranged in the supporting frame in an inserted connection mode, the display plate is prevented from making contact with the outside, the display plate is limited through the limiting assembly, and stability is improved.

The present disclosure relates to a method, device and medium for analyzing the space perception of urban streets, the method comprising: obtaining, by a processor, urban road network vector data and building contour vector data of each urban street, wherein the building contour vector data contains building height information; determining the street space width, the building height along the street, the street space aspect ratio, the building interface continuity along the street and the building volume along the street of each urban street; comparing the determined street space width, the building height along the street, the street space aspect ratio, the building interface continuity along the street and the building volume along the street of each urban street with a first preset range of street space width, a second preset range of building height along the street, a third preset range of street space aspect ratio, a fourth preset range of building interface continuity along the street and a fifth preset range of building volume along the street, respectively, to determine whether the space perception of each urban street meets the planning expectation of the urban street.

This utility model discloses a waterproof sealing component for a city street lighting controller, relating to the field of waterproof sealing technology for controllers. The utility model includes a main body and a sealing component, which comprises a first sealing mechanism and a second sealing mechanism. By setting up the sealing component, a sealing strip is inserted into a sealing groove, forming multiple interlocking seals that enhance the sealing performance at the connection between the cover and the housing, ensuring the normal operation of the controller in harsh environments such as humidity and rain. The insertion rod and slot provide precise guidance for the cover during installation, ensuring that the cover can accurately engage with the main body, avoiding sealing problems caused by installation deviations, and improving installation efficiency and quality. Bolts are screwed into the first and second threaded holes to firmly fix the cover to the main body. Tightening the bolts exerts downward pressure on the cover, and because the sealing strip is slightly longer than the sealing groove, it is further compressed within the sealing groove.