82 results about "Night driving" patented technology

The invention provides a scene adaptive projection vehicle lamp system based on deep reinforcement learning and a control method, and relates to the technical field of intelligent vehicle lamps and automatic driving perception systems. Comprising a multi-modal sensing module, a feature fusion module, a strategy generation module and an execution module. The multi-mode sensing module is used for collecting environment state data and performing primary processing to form an environment data information flow; the feature fusion module is used for generating a unified environment feature vector for the environment data information flow; the strategy generation module is used for receiving the environment feature vector and generating a vehicle lamp adjustment strategy through multi-layer neural network calculation; evaluating a result obtained by executing the vehicle lamp adjustment strategy based on the vehicle lamp, and optimizing strategy parameters of the strategy network based on a PPO algorithm; the execution module is used for controlling the vehicle lamp according to the vehicle lamp adjustment strategy output by the strategy network. The intelligent level of the vehicle lamp is remarkably improved, and the system is widely applied to night driving assistance, urban interaction prompt and low-visibility driving scenes.

The invention discloses a night driving low-illumination image glare suppression method, and relates to the technical field of image processing, and the method comprises the following steps: collecting a night road scene and a glare image, and fusing the night road scene and the glare image to generate a data set; according to the method, an improved Uform network structure is adopted, efficient sampling is achieved through a deep separable convolution and pixel rearrangement (Pixel Shuffle) module, and local details and structure information are extracted by means of local context awareness (LCAWin-Transform); a glare area is accurately positioned through a gating position attention module in combination with position codes and context information; and adopting background loss, glare loss and reconstruction loss to jointly train the network, recovering background details and predicting glare. The problem of glare interference caused by a strong light source under the complex illumination condition at night can be effectively solved, the image definition and perception reliability are remarkably improved in an intelligent driving assistance system, driving safety is guaranteed, and the method has good engineering practical value and popularization prospects.

The invention discloses an ADB headlamp networking system based on intelligent sensing and a control method. The ADB headlamp networking system comprises a sensing layer, a network layer, a decision-making layer and an execution layer. The sensing layer collects vehicle surrounding environment data through a multi-mode sensor group, and outputs a structured sensing result after fusion processing of a sensing processing unit; the network layer realizes information interaction between a vehicle and surrounding vehicles, roadside infrastructures and a cloud platform, and performs encryption and identity authentication on transmission data; after the decision-making layer receives the related information, a control instruction of an ADB headlamp is generated through rule matching, reinforcement learning optimization and multi-vehicle collaborative decision-making; and the execution layer adjusts light according to the control instruction and feeds back an execution state to the decision layer to form closed-loop control. The control method comprises the steps of environment perception, networking interaction, intelligent decision making and execution feedback, multi-mode intelligent perception, networking information interaction and multi-vehicle cooperative illumination are achieved, lamplight can be dynamically adjusted according to different scenes, and the safety and comfort of vehicle night driving are improved.

The invention belongs to the technical field of vehicle risk assessment, and discloses a vehicle accident risk prediction method and device, a storage medium and computer equipment. The method comprises the following steps: acquiring operation parameters of a plurality of vehicles, including load data, operation road type, gradient data, vehicle speed, driving behavior data, night driving time proportion, active safety configuration data, operation weather data, accident frequency and fault frequency; determining a plurality of risk assessment features; taking the risk assessment features as a training set, training a random forest model, and taking the random forest model as an accident risk prediction model when the performance of the random forest model reaches a preset requirement; and inputting the risk assessment features of the to-be-predicted vehicle into the accident risk prediction model, obtaining a survival function output by multiple trees of the accident risk prediction model, and determining the accident occurrence probability of the to-be-predicted vehicle within a preset duration according to the survival function. And the accident risk of the vehicle can be accurately predicted by using the multi-dimensional operation data of the vehicle.

The invention provides an automobile lamp self-adaptive adjusting method and system based on machine vision, and belongs to the technical field of automobile lighting and intelligent visual recognition. The method comprises the following steps: acquiring an environment image in front of a vehicle through a vehicle-mounted camera, and preprocessing the acquired environment image; performing target detection and semantic segmentation on the preprocessed image based on a deep learning model, and identifying targets and road structures at least including vehicles, pedestrians and lane lines; generating a corresponding illumination control strategy according to the identification result and the current state information of the vehicle; and according to the illumination control strategy, an LED matrix lamp group is controlled to carry out partition illumination adjustment, and self-adaptive control over the light beam shape, the brightness and the illumination range is achieved. According to the invention, accurate identification of multiple targets such as vehicles, pedestrians, road structures and the like can be realized, the light beam distribution is dynamically adjusted according to a real-time scene, and the safety and comfort of night driving are remarkably improved.

The application provides a point of interest recommendation method and device, electronic equipment and computer readable storage medium, wherein the method comprises: in response to an instruction of starting a map application, if a target user is currently in a night driving state, first preference information of a user type to which the target user belongs is called; according to current environment information of the target user and historical environment information of other users of the user type to which the target user belongs, the other users of the user type are clustered, second preference information of other users similar to the target user is determined based on the first preference information; first candidate places are determined according to the second preference information and current location information of the target user; in response to a search instruction of a user, second candidate places are determined according to the first candidate places corresponding to the search instruction; accurate target places meeting preset requirements are screened out from the second candidate places according to current time information; and related information of the accurate target places is output. The method improves the calculation speed.

The invention discloses an intelligent vehicle lamp illumination system and a control method thereof. The intelligent vehicle lamp illumination system comprises a lens, an LED lamp panel and a reflective bowl. The LED lamp further comprises a reflecting part, the reflecting part is arranged on the front portion of the LED lamp panel, the tail end of the reflecting bowl covers the reflecting part, the reflecting part is provided with a plurality of reflecting groove holes distributed in an array mode, the reflecting groove holes penetrate through the reflecting part, one ends of the reflecting groove holes correspond to lamp beads on the LED lamp panel, four arc-shaped faces are arranged in the reflecting groove holes, and each arc-shaped face is in a wavy texture shape. The illumination intensity and range are improved through the light reflecting groove holes in the light reflecting piece, a powerful light source can be well provided for the self-adaptive illumination system, and the light and shade area contrast of the illumination light type is more obvious; according to the control method, the defects of an existing self-adaptive lighting system can be optimized and overcome, the performance of adjusting the light and dark areas of the light pattern of the self-adaptive lighting system is improved, and a stable lighting scheme is provided for night driving.

The utility model discloses a motorcycle projection lamp which comprises a projection lamp module, a connecting module and a signal control module, the projection lamp module comprises an outer shell, a heat dissipation support and a plurality of MLA projection modules, the heat dissipation support is provided with a plurality of installation planes, the horizontal projection included angle of every two adjacent installation planes is a, and the horizontal projection included angle of every two adjacent installation planes is a. The plurality of MLA projection modules are respectively installed on the plurality of installation planes, the projection included angle between the adjacent MLA projection modules is a, the shell sleeves the outer sides of the heat dissipation support and the MLA projection modules, the shell is provided with a plurality of transparent windows, and projection light of the MLA projection modules can pass through the transparent windows; the projection lamp of the motorcycle can project pictures on the ground, the effect of increasing the ground width during night driving is achieved, the steering indication function is added, meanwhile, the multiple MLA projection modules are adopted, included angle projection arrangement is conducted, two picture patterns in the front and back of a motorcycle body are achieved, and large-size patterns from the motorcycle body to the ground are achieved.

The utility model discloses a binocular night vision goggles for protecting objective lenses, which relates to the technical field of night vision devices and comprises a goggles bracket, night vision goggles and objective lens sheaths. And the night vision goggles are rotationally connected to the lower part of the goggle frame and provided with objective lenses at one end and eyepieces at the other end. The objective lens sheath is clamped and fixed outside the objective lens, and a light reducing lens is arranged in the objective lens sheath, so that the objective lens is prevented from being damaged by strong light, and testing and internal state observation are not hindered. The objective lens sheath is composed of an end cover, a clamping ring, a support, a through hole and a light reducing lens, the end cover is provided with a sliding groove and a clamping groove to stably clamp the objective lens, the clamping ring is fixed outside the night vision goggles, the support is n-shaped to avoid the convex portion of the objective lens, and the through hole facilitates observation and testing. According to the night vision goggles, the durability and the use safety are improved, the maintenance and test process is simplified, and the night vision goggles are suitable for various scenes such as military, law enforcement, outdoor exploration and night driving.

The utility model relates to a rotating handle and steering lamp mounting structure, which belongs to the technical field of electric bicycles and comprises a steering handle, rotating handles are mounted at two ends of the steering handle, steering lamp supports are mounted on the two rotating handles, and steering lamps are mounted on the steering lamp supports. The steering handle comprises a holding handle and a limiting shell arranged on one side of the holding handle, the limiting shell is provided with a fixing shell through screws, the steering lamp is installed on the steering handle by being connected with the steering lamp support, and therefore a novel steering lamp installation structure is formed, and the problem that the distance between the steering lamps is insufficient is solved; the steering lamp support adopts a stamping part, and is simple in structure, high in strength and low in manufacturing cost; according to the rotating handle, the anti-deflection fixing pin is arranged, the fixing mode of a steering lamp can be improved through the structure, the safety performance of night driving is improved, and the product quality can be greatly improved.

Disclosed are methods and apparatus that use specially tinted eyeglasses that may be used to block or diffuse light from the headlights of oncoming traffic or trailing traffic reflected in side mirrors, while also allowing the wearer to see dark areas outside and inside the vehicle. Lenses are provided that have shading on the left and / or right sides of each lens leaving a large unshaded or clear vertical area in the middle of each lens, running from the top of each lens to the bottom. In use, when a driver or passenger wearing the eyeglasses while traveling at night or in the dark encounters bright light from oncoming traffic, or bright light reflected in side mirrors, they may turn their head slightly to the left or to the right in order to use the left and / or right shaded areas of the lenses to reduce or block the light, and are still able to see dark areas outside and inside the vehicle through the unshaded central area.

The invention discloses an ADB vehicle lamp double-area cooperative control method and system based on the Internet of Vehicles, and relates to the technical field of intelligent networked vehicle self-adaptive light cooperative control, and the method comprises the steps: building an Internet of Vehicles information fusion mechanism, fusing the obtained vehicle information with the data collected by A vehicle equipment, forming an environment perception data set, and carrying out the recognition of the environment perception data set; dividing a road on the basis of an environment perception data set formed after fusion, secondarily obtaining real-time state information of the vehicle A and vehicles except the vehicle A on the basis of an illumination control rule algorithm and an illumination control rule algorithm on the basis of the illumination control rule, judging the divided areas of the road, and completing ADB vehicle lamp double-area cooperative control. According to the method, the sensing range is effectively expanded, the adaptability in a complex traffic scene is enhanced, the system response speed and the calculation efficiency are improved, linkage adjustment of lighting strategies of the vehicle and other vehicles is achieved, the night driving safety and comfort are improved, and the method has good application prospects and popularization value.

The invention belongs to the technical field of vehicle insurance assessment, and discloses a vehicle operation risk assessment method and device, computer equipment and a storage medium. An accident record of a to-be-evaluated vehicle and driving behavior characteristic data of a driver are acquired, and the driving behavior characteristic data comprise bad driving behavior frequency, night driving duration, fatigue driving duration, load data, speed data and dangerous driving behavior frequency; determining a plurality of risk evaluation parameters based on an accident record and the driving behavior characteristic data; determining the risk level of each risk evaluation parameter according to a preset risk level division standard; and inputting the risk evaluation parameters and the corresponding risk levels into a risk evaluation model to obtain an estimated operation risk value of the to-be-evaluated vehicle, the risk evaluation model being constructed based on a dendritic cell algorithm. And the operation risk of the heavy-duty truck can be estimated more accurately.

The invention discloses an intelligent visual protection method, device and equipment for relieving glare of a vehicle high beam and a storage medium, and relates to the technical field of new energy automobiles, and the intelligent visual protection method comprises the steps that vehicle front image information and vehicle relative motion information are obtained; on the basis of the image information in front of the vehicle, point-shaped intense light sources exceeding a predefined light field intensity threshold value are recognized, and point-shaped intense light source information is determined; predicting a projection protection area of a corresponding point-shaped intense light source on a transparent component of the vehicle based on the point-shaped intense light source information and the vehicle relative motion information, and determining projection protection area information; and controlling at least one matrix type dimming unit in a vehicle transparent component to adjust the light transmittance based on the projection protection area information. According to the method and the device, the point-shaped strong light source exceeding the threshold value is identified, the projection area on the vehicle transparent component is predicted, and the corresponding matrix dimming unit is controlled to adjust the light transmittance, so that glare is dynamically shielded, precise visual protection is realized, and the night driving safety is improved.

This invention discloses a method, apparatus, device, and storage medium for controlling vehicle headlight brightness. The method includes the following steps: determining the required total brightness change of the headlights on both sides of the vehicle based on the target brightness difference between the two headlights; determining the brightness adjustment ratio of the two headlights based on the target brightness difference and the total brightness change; calculating a first adjustment amount of the brightness of the two headlights according to the brightness adjustment ratio and the total current limit of the headlight system; correcting the first adjustment amount based on the calculated brightness scaling ratio to obtain a second adjustment amount of the brightness of the two headlights; and updating the current brightness of the two headlights based on the previous brightness value of the two headlights and the second adjustment amount, so as to control the two headlights to gradually change synchronously to their respective target brightness. This application can effectively avoid the glare problem caused by sudden brightness changes and significantly improve the safety and visual comfort of night driving.

The invention relates to the technical field of self-adaptive headlamp systems, in particular to a self-adaptive headlamp control system based on a Vision Transform and a vehicle. The invention discloses an adaptive headlamp control system based on a Vision Transform. The adaptive headlamp control system comprises an input module, an output module and a control module, wherein the input module is used for acquiring road images and vehicle dynamic parameters; the preprocessing module is used for partitioning and denoising the image, and synchronizing and filtering sensor data; the feature extraction module is used for extracting global visual features through a multi-head self-attention mechanism of a Vision Transform; the multi-modal data fusion module performs weighted fusion on the visual features and the dynamic parameters of the vehicle; the decision generation module calculates vehicle lamp direction, range and brightness parameters according to the fusion features; the output module adjusts the vehicle lamp state through the execution mechanism. And the feedback module optimizes the control strategy in real time. According to the system, through the global perception capability of the Vision Transform and multi-modal data fusion, accurate and adaptive light control is realized, and the night driving safety is significantly improved.

The present application provides a kind of vehicle headlamp device, which can reduce the fatigue of driver when driving at night;The present application has left light unit (2L), right light unit (2R) and control device (3) to the front of vehicle and irradiate high beam light distribution pattern (HP);Control device (3) controls left light unit (2L), right light unit (2R) based on the data of shading range (A1) obtained in vehicle camera device (4), forms shading range (A1) in high beam light distribution pattern (HP), and forms bright-dark transition range (A2) in the 4 edges of the whole periphery of shading range (A1);Therefore, according to the present application, when driving at night, the fatigue of driver can be reduced.

The application provides a high beam adaptive control method, system, device and medium, relates to the technical field of vehicle lighting control, and the method comprises the following steps: acquiring the driving environment of a target vehicle, and generating a first light scheme of a high beam; in combination with the first vehicle feature of the target vehicle and the second vehicle feature of an oncoming vehicle, and the distance between the target vehicle and the oncoming vehicle, generating an adjustment index of the high beam, adjusting the first light scheme according to the adjustment index, and generating a second light scheme; in combination with the driving time length of the driver of the target vehicle, the blink frequency of the driver and the pupil change rate, generating a visual fatigue parameter of the driver, calculating the light sensitivity coefficient of the driver according to the visual fatigue parameter; in combination with the visual fatigue parameter and the driving environment, generating a driving risk coefficient, and in combination with the driving risk coefficient and the light sensitivity coefficient, adjusting the second light scheme to generate a target light scheme. The application has the technical effect that the safety of night driving is ensured.

The invention belongs to the technical field of road traffic noise reduction, and discloses a sound barrier assembly structure and a sound barrier manufacturing method.The sound barrier assembly structure comprises a bottom layer panel, a transparent window layer and a top layer panel which are sequentially connected from bottom to top, the bottom layer panel, the transparent window layer and the top layer panel are arranged in an equal-width mode, and the transparent window layer comprises a support and a transparent window panel; according to the scheme, the movable baffle capable of vertically moving is integrated in the top layer panel, so that the sound barrier keeps daylighting and permeability of the light-transmitting layer in the daytime and automatically covers the light-transmitting layer at night, the overall sound insulation performance is remarkably improved, and the influence of road noise on surrounding residents is effectively reduced; meanwhile, a photovoltaic panel is arranged on the outer side of the top arc-shaped plate, a low-brightness soft light LED lamp strip is arranged on the inner side of the top arc-shaped plate, a servo motor and a lamp tube are driven to operate through the photovoltaic panel, multifunctional integration of energy self-sufficiency, dynamic sound insulation and night soft light illumination is achieved, the environmental adaptability of the sound barrier is improved, direct light of vehicle lamplight to a residential building is reduced, and the service life of the sound barrier is prolonged. And road attractiveness and night driving safety are both considered.

The application is suitable for the field of intelligent driving, and provides a front light light self-adaptive active adjustment method, the method acquires vehicle motion parameters and environment data in real time through V2V technology, inputs the preprocessed data through coordinate conversion into an LSTM network, outputs a three-level warning classification based on a dynamic time to collision (DTTC) formula, then executes light strategies with different frequencies, brightness and colors, calculates projection parameters and controls light inclination, and corrects acceleration and warning threshold in combination with road curvature, slope and weather factors. The application solves the problems of high false alarm rate of static threshold, rough hierarchical warning and disconnection between V2V and light control in the prior art, realizes dynamic warning in complex scenes, improves night driving safety, and is suitable for intelligent automobile light control systems.

A method for providing information to an occupant of a vehicle includes training a machine learning algorithm to receive a nighttime image as an input and produce an enhanced image as an output. The method also includes capturing the nighttime image of an environment surrounding the vehicle using a camera of the vehicle. The method also includes enhancing the nighttime image using the machine learning algorithm to produce the enhanced image. The method also includes identifying an object of interest in the enhanced image using a computer vision algorithm. The method also includes notifying the occupant of the vehicle about the object of interest.

The invention discloses a control method of a vehicle spraying system and the vehicle spraying system.The vehicle spraying system comprises a spraying assembly and a vehicle body part located above a hub of a vehicle, the vehicle body part is provided with a through hole, and the spraying assembly comprises a first nozzle and a second nozzle which are different in spraying kinetic energy; the first nozzle and the second nozzle are used for spraying mist in the spraying assembly out of the through hole in the direction from the inner surface of the vehicle body part to the outer surface of the vehicle body part, the control method comprises the steps that a target scene where the vehicle is located is obtained, and the target scene is one of a welcome scene, a night driving scene and a rapid acceleration scene; a corresponding target nozzle is determined based on the target scene, the target nozzle is controlled to spray, and the target nozzle comprises at least one of the first nozzle and the second nozzle. According to the technical scheme, the driving safety of the vehicle in a specific environment can be improved, and the function of auxiliary heat dissipation of the vehicle is achieved.

The invention discloses a vehicle lane changing light blanket generation method and system. The method comprises the steps of obtaining body posture data of a driver; determining a first vehicle side deviation rate and a second vehicle side deviation rate of the vehicle according to the first lane line information of the current lane of the vehicle; determining a running track and a running track curvature of the vehicle according to the running state data of the vehicle; according to the body posture data, the first vehicle side deviation rate, the second vehicle side deviation rate and the moving trajectory curvature, determining a target lane into which the vehicle is about to change the lane; determining a plurality of target control points on the target lane and the moving trajectory; a light blanket track is generated according to the multiple target control points, and the target vehicle lamp is controlled to project on the ground according to the light blanket track to form a curve light blanket. According to the invention, the running track and lane changing intention of the vehicle can be represented through the light blanket when the vehicle begins to change the lane and does not intrude into the side lane, and the safety of night driving is improved.

The application discloses a driver behavior recognition method and system based on skeleton and semantic information mixing, and relates to the technical field of driver behavior recognition. The driver behavior recognition method based on semantic information and skeleton information is fused through a spatial soft attention mechanism based on driver skeleton key points to recognize driver behavior. First, a spatial soft attention module based on driver skeleton key point information is designed. The module gives greater weight to the semantic information of the driver's hands and head, and suppresses global background information, so as to improve the performance of extracting semantic features related to driver behavior. Then, a hybrid network based on driver skeleton and semantic information is designed to extract semantic and temporal features related to driver behavior recognition. In addition, in the task of recognizing driver behavior at night, adaptive histogram equalization and transfer learning methods are introduced to solve the problem of low brightness and small amount of night driving data.

The invention relates to a control method and system for preventing irradiation of a high beam and a vehicle, and relates to the technical field of vehicle illumination safety, and the control method comprises the following steps: obtaining a light source parameter of a current light source, a distance between an emission vehicle of the current light source and a current vehicle, and a position parameter of the current light source relative to the current vehicle; obtaining a dazzling risk coefficient of the current light source through an established dazzling risk assessment model according to the light source parameters, the distance and the position parameters; when the vehicle is in the night driving condition, whether the current light source is a dangerous light source is judged according to the dazzling risk coefficient; and when the current light source is the dangerous light source, executing a corresponding anti-dazzling response action according to the size of the dazzling risk coefficient. By constructing an evaluation model fusing light source parameters, position parameters and distance parameters, scientific and accurate judgment of the dazzling risk of the light source of the high beam is achieved, and corresponding anti-dazzling measures are taken according to the dazzling risk caused by the current light source to a driver.

The utility model provides an automobile steering and reversing auxiliary lighting system which comprises a front spotlight and a rear spotlight which are installed on the side face of an automobile and a control circuit, the control circuit comprises a light sensing element and a light sensing controller, and the front spotlight, the rear spotlight, the light sensing element and the light sensing controller are arranged on the side face of the automobile. The light sensing controller receives a steering signal or a backing signal of an automobile and controls the front spotlight and the rear spotlight to be turned on or turned off according to the steering signal or the backing signal and a signal of the light sensing element. The auxiliary lighting system for steering and backing up of the automobile can light road conditions of an automobile head and two sides of a rear wheel, and improves safety of the automobile running at night.

The embodiment of the invention provides a control method of a vehicle-mounted screen, a controller, a vehicle and a medium. The method comprises the steps that when it is determined that a light damage area caused by a vehicle-mounted screen exists on a main driving side vehicle window and / or a co-driving side vehicle window of a vehicle, a driving concentration mode is entered; and in the driving concentration mode, dynamically controlling the turn-on and turn-off of at least one target vehicle-mounted screen in the vehicle in real time based on the vehicle-mounted screen watching demand of the driver. The method is used for realizing on-demand acquisition of screen information by people in a vehicle while eliminating screen reflection interference, and the effect of remarkably improving night driving safety and interactive experience is achieved.

This utility model proposes a curved luminous screen for vehicle instrument panels, including an instrument body, which comprises an instrument shell, a mounting plate, and an OLED self-emissive screen. The mounting plate has a mounting cavity, and a control component is disposed between the mounting plate and the instrument shell. A glass cover is disposed on the mounting plate. The OLED self-emissive screen includes a liquid crystal display module, which comprises a polarizing film, a glass encapsulation layer, a low-temperature polycrystalline silicon layer, and a graphite sheet layer arranged sequentially. The use of an OLED self-emissive screen in the vehicle instrument panel only requires power to the illuminated pixels, resulting in 40%-50% lower power consumption than LCD. This is particularly suitable for extending the range of new energy vehicles. Furthermore, the self-emissive nature of OLED pixels allows for a contrast ratio of up to one million to one, with near-pure black, reducing light pollution, especially during nighttime driving, and improving the readability of instrument information. OLED covers the DCI-P3 wide color gamut, with superior color saturation and reproduction compared to LCD, making warning icons, navigation maps, and other details on the instrument panel clearer.

The invention provides a lamplight anti-dazzling method and system and a vehicle, and belongs to the field of vehicle lamplight, and the lamplight anti-dazzling method comprises the steps that initial optical information of a target light source is acquired; the initial optical information is processed based on a visual perception model, an optical parameter set of the target light source is obtained, and the optical parameter set comprises optimized optical information of at least one kind of light; and inputting the optical parameter set into an external light source module to enable the external light source module to emit a corresponding target light source. According to the technical scheme, the light of the front vehicle tail lamp is analyzed and recognized in real time, the specific compensation light is generated and projected according to the color complementation principle, the specific compensation light is fused and counteracted with the original red light on the visual level, and therefore the dazzling feeling is reduced, the visual comfort level is improved, and night driving safety is guaranteed.