45 results about "Night driving" patented technology

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.

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 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 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.

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.

The application discloses a light control method and system for preventing glare of a motorcycle lamp, and the method comprises the following steps: acquiring multiple modal sensing data in front of the motorcycle in real time when the motorcycle is running; determining corresponding running state parameters of the motorcycle according to the sensing data; identifying the data of a coming vehicle object in front of the motorcycle according to the sensing data based on a target recognition algorithm; determining a light shielding strategy of the motorcycle according to the running state parameters and the data of the coming vehicle object; and the light shielding strategy is used to determine the luminous intensity parameters of at least one area of the lamp of the motorcycle. It can be seen that the application can realize intelligent light self-adaptive control driven by front perception, improve the safety of night driving and the protection effect of oncoming vehicles, and reduce the risk of accidents caused by unshielded glare.

1. The name of the design product: night driving anti-glare telescopic strip sun visor. 2. The use of the design product: for anti-glare of left opposite car high beam during night driving. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention is suitable for the technical field of urban intelligent illumination and traffic vision safety control, and provides an illumination glare suppression control method and system fused with a vision model, and the method comprises the steps: judging whether a current road surface wet reflection coefficient is in a road surface wet reflection coefficient range corresponding to an optimal interval or not if the optimal interval exists; if yes, the illumination control parameters of the high-curvature road section are kept unchanged; and if not, calling a predefined visual response prediction model, and performing prediction calculation by iteratively adjusting the illumination control parameters under the current road surface wet reflection coefficient, so that the driving visual response comprehensive index output by the model falls into the index range corresponding to the optimal interval. According to the method, reverse optimization of the visual effect under the condition that the humidity cannot be changed is achieved, the phenomena of dazzle light and elevated fence boundary blurring caused by high-curvature road section fence reflection are effectively restrained, and night driving safety and visual comfort are remarkably improved.

The utility model belongs to the technical field of motorcycle lamp, concretely relates to an automatic adjusting lamp of motorcycle, including front casing and rear casing, the front end face of front casing is equipped with the transparent cover, is formed with the installation cavity between front casing and rear casing, is provided with the mounting seat in the installation cavity, is provided with the light module on the mounting seat, the both ends inboard of rear casing are equipped with the connecting rod respectively, the head of connecting rod is formed with the ball head, the both ends of mounting seat are equipped with the sleeve respectively, the rotation cavity that is inserted into the rotation connection of ball head is set up in the sleeve, the middle part of the outside of rear casing is equipped with the power source, and the output end of power source is connected with the mounting seat, the utility model discloses the rotation of mounting seat is controlled to adjust the pitch angle of light module through the power source, thereby realizes the distance far and near of the adjustment of light irradiation, realizes the distance far and near of the irradiation distance of dynamic adjustment light according to the difference of the fast and slow of speed, improves the safety of night driving.

The invention discloses a meeting dazzling reminding and light control method based on vehicle-mounted visible light communication, and belongs to the technical field of intelligent vehicle lamps. According to the method, a convolutional neural network is utilized to detect a front vehicle and an illumination area, and a millimeter-wave radar acquires position information in real time. By establishing light attenuation models in different weather environments, the fused light intensity is compared with a dazzling light intensity threshold, a dazzling vehicle is judged, and a dazzling grade is generated. The central control unit encodes the light intensity proportion needing to be adjusted according to the dazzling level and transmits the light through the headlamp light with the specific frequency. A dazzling vehicle collects a light source image through a vehicle-mounted camera and decodes the light source image, the brightness of a headlamp is adjusted in a self-adaptive mode according to decoding information, and meanwhile a driver is reminded to pay attention to changes of illumination intensity and range through a voice module and other modules. Real-time communication with the dazzling vehicle is established through visible light communication, the problem that the opposite side cannot be reminded due to dazzling during vehicle meeting at night is effectively solved, and the driving safety at night is improved.

The utility model relates to the technical field of motorcycle spotlights, in particular to a white laser motorcycle spotlight which comprises a spotlight body, and a spotlight chamber and a control chamber are arranged in the spotlight body. The white laser module is arranged in the lamp chamber and used for emitting white laser outwards; the PCB is arranged in the control chamber and is electrically connected with the white laser module; and the light distribution structure is arranged in the lamp chamber, is positioned on a white laser path emitted by the white laser module and is used for carrying out light distribution on the white laser. According to the white laser motorcycle spotlight, a farther irradiation distance can be achieved, the safety of night driving is improved, compared with a traditional light source, white laser can achieve higher brightness and improve energy efficiency under lower power consumption, and the white laser motorcycle spotlight is suitable for a motorcycle in a severe environment or running at a high speed. And particularly, a better lighting experience is provided at night or under extreme weather conditions.

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.

The application belongs to the field of target detection, and particularly relates to a traffic scene target detection method and system based on knowledge enhanced deep learning, which comprises the following steps: acquiring a traffic scene image to be detected; establishing a single-stage target detection model and training the same; inputting the acquired traffic scene image to be detected into the trained single-stage target detection model to obtain two-dimensional target coordinates of target objects in the image and corresponding category results, and completing target detection. The application improves the detection accuracy of the network on the occluded target by establishing a single-stage target detection model, combining co-occurrence relationship and introducing a dynamic convolution layer. The objects on the road are detected by the target detection, which can assist driving in combination with the automobile system, and greatly improves the safety of night driving.

The application relates to an intelligent vehicle lamp control method for dynamically changing the illumination area of a matrix vehicle lamp, wherein the Fast R-CNN convolutional neural network is used to acquire the position information of a front vehicle, and a millimeter wave radar is used to acquire the distance and azimuth angle information of the front vehicle; an RBF neural network model is used to predict the extinguished lamp bead area of a fixed LED matrix module and the rotating direction and angle of a movable LED matrix module; a central controller ECU changes the high and low levels of the output of a PWM controller and the pulse output of a PLC controller to respectively adjust the brightness of the lamp bead area in the fixed LED matrix module, the rotating direction and angle of the movable LED matrix module, and the light compensation of the extinguished lamp bead area of the fixed LED matrix module, so that a larger illumination area is achieved. The application solves the problem of the light blind area generated by the traditional matrix LED vehicle lamp when meeting vehicles; the safety visual field demand of the driver at night is met, and the night driving safety is improved.

The invention relates to the technical field of construction safety protection, in particular to a municipal road and bridge construction safety protection device which comprises a guardrail plate, a reflective patch is arranged on the front end face of the guardrail plate, rotating shafts are arranged at the bottoms of connecting bases, positioning columns are arranged on the two sides of the guardrail plate, and a weight box used for adding balance weight is arranged at the bottom of the rear end face of the guardrail plate. A lifting fence plate for lifting adjustment is arranged at the top of the guardrail plate; according to the municipal road and bridge construction safety protection device, the guardrail plate with the first steel wire mesh is arranged to be matched with the reflective patch, the light reflection effect in the night driving process is improved, the two positioning columns with the inclined supporting rods and the guardrail plate are rotationally connected through the rotating shafts and the rotating holes on the connecting bases, multi-direction rotating adjustment between the guardrail plate and the positioning columns is achieved, and the safety of the municipal road and bridge construction is improved. The bottom of the inclined supporting plate is matched with a second fixing base, a first fixing base at the bottom of the positioning column is matched, the lifting fence plate with a second steel wire net is matched, the position of the lifting fence plate is fixed through fastening bolts, and people are prevented from climbing over the low guardrail plate.

Embodiments of the present application relate to a vehicle light adjustment method and device, electronic equipment and a storage medium. The current vehicle speed, current road condition information and driver driving parameter information are obtained; the target light detection distance is determined according to the current vehicle speed, current road condition information and driver driving parameter information; the target light irradiation angle is determined according to the target light detection distance, and the irradiation angle of the vehicle light is adjusted to the target light irradiation angle. Embodiments of the present application improve the intelligence of light adjustment and improve the safety of night driving.