343 results about "Night driving" patented technology

A light control and display technology applicable to light redirection and projection with the capacity, in a number of embodiments modified for particular applications, to produce managed light, including advanced images. Applications include miniature to very large scale video displays, optical data processing, 3-dimensional imaging, and lens-less vision enhancement for poor night-driving vision, cataracts and macular degeneration.

A thermal torch (12) comprises an infrared camera (22) and a visible light emitter (28, 26) arranged so as to illuminate hot objects with visible light. This projection of visible light onto the scene, rather than observing it at infrared wavelengths converted to visible light by a display screen, makes viewing the scene more natural. Applications include medical imaging equipment, night driving systems, stage lights, and security lights. The profile of the beam of visible light can be modulated with a beam profiler (26) which may be a LCD. The infrared camera (22) and visible projector (28,26) may be bore-sighted to facilitate overlying of the visible projected image onto the scene.

The present invention discloses a vehicular tilt-sensing method and an automatic headlight leveling system using the same. The method of the present invention comprises steps: using an image capture device to capture an image of the road and obtain at least one instantaneous lane marking line from the image; extending the instantaneous lane marking lines afar to obtain an instantaneous vanishing point; establishing an instantaneous horizontal line passing through the instantaneous vanishing point; calculating from the image the displacement between a datum horizontal line and the instantaneous horizontal line; and calculating the tilt angle with the displacement and the focal length of the image; using the tilt angle to generate a control signal to control level adjusting controllers to adjust headlights, whereby the headlights can provide optimized illumination to enhance night driving safety on a rugged road or in the case that the vehicle is unevenly loaded.

A motor vehicle lighting system comprises a lighting switch having a daylight signaling position and two night driving illumination positions, with a running light (or headlight) having a discharge lamp cooperating with a reflector to produce a night driving beam essentially without any cut-off. The running light has a discharge lamp cooperating with a reflector to produce a night driving beam which essentially has no cut-off. The system includes a means such as an absorbent element which, when the lighting switch is put in its daylight signaling position, diverts a fraction of the light intensity of the emitted beam so as to produce a beam of reduced intensity as compared with the same lamp powered under the same conditions.

Objects associated with fixation regions are used to support training tasks that are characterized by operation within a dynamic 3D environment, problem-solving that involves user multi-tasking, fast decisions, heavy workloads, potential for unexpected events, and the need for high-performance skills. The invention is ideally suited to measure the nuances associated with maintaining situation awareness in such tasks where dynamic 3D environments that support problem solving with high cognitive fidelity have already been developed. Potential training application areas include urban warfighting, night vision goggle use, aircraft piloting, helicopter operation, remote control of vehicles and robots, night driving, air traffic control, and quarterback decision-making.

The invention discloses an aid decision making system for a vehicle insurance rate in a big data era. The system comprises a data collection and processing module, a driving behavior analysis module in a big data platform, and a vehicle insurance rate decision making module. Driving Beidou/GPS data of a driver is collected according to a vehicle-mounted Beidou/GPS positioning system; a driving behavior of the driver is analyzed according to the data; and fatigue driving, night driving, overspeed driving, overload driving and fast acceleration and deceleration of the driver are analyzed. The driving behavior of the driver is evaluated by analyzing the data, and the driving behavior is scored, thereby providing information for vehicle insurance rate establishment.

The invention relates to an automobile front view intelligent anti-dazzling system based on electrochromism glass. The automobile front view intelligent anti-dazzling system based on the electrochromism glass comprises a human eye positioning device used for capturing the position of the eyes of a driver, and a light source positioning device used for identifying the space position of each point in front of an automobile. Both the human eye positioning device and the light source positioning device are connected with a processing module, the processing module is connected with a drive module, and the drive module sends out electric signals to control an electrochromism glass driver to drive the electrochromism glass to conduct anti-dazzling treatment. The system has the beneficial effects that by the adoption of the provided anti-dazzling system, the space positions of a strong light source and the human eyes are determined through infrared signals and image information, the variable and light-transmitting electrochromism glass is electrically controlled, accurate light shading is achieved through the dot matrix technology, the view of other regions in front of the driver is not disturbed when dizziness prevention is achieved, danger is effectively prevented from happening, and meanwhile the requirement for the larger than 75% of transmittance stipulated by an automobile night driving safety technology standard is met as well.

The present invention is embodied in an eyewear lens with at least two controlled, limited visible light blocking filters that attenuate its transmittance spectrum. More specifically, in the present invention, the eyewear lens attenuates limited amounts of light in at least two visible wavelength regions via controlled, limited blocking filters, wherein the overall luminous transmittance is at least 75%. The at least two controlled, limited blocking filters have their peak blocking wavelengths in the region of 410-500 nm and 530-620 nm, respectively. In a preferred embodiment, the minimum transmittance that occurs within the 410-500 nm region is ≧55% and the minimum transmittance that occurs within the 530-620 nm region is ≧65%. In another preferred embodiment, the eyewear lens comprises an anti-reflective coating on its inner surface (the eye-side of the lens).

The invention is suitable for the technical field of computer application, and provides an image enhancement method and device. The method comprises the following steps: obtaining a to-be-processed image photographed by a preset camera on a vehicle under a first illumination value; inputting the to-be-processed image into a pre-trained image enhancement model for processing to obtain a target image corresponding to a second illumination value; and displaying the target image on a preset display on the vehicle. An image enhancement model is obtained according to pre-training; carrying out imageenhancement on the to-be-processed image obtained in the low-illumination environment; according to the image enhancement method and device, the target image with high contrast and brightness is obtained and displayed on the display, so that a driver of the vehicle is assisted in checking the road surface state corresponding to the to-be-processed image, the image enhancement effect and accuracyare improved, and it is guaranteed that the driver can drive safely during night driving.

The invention relates to an adaptive head light for automobile. To an integrated head light for automobile that assembles both a high beam light and a low beam light with a reflector inside a single outer housing, a rotational axis on upper side and lower side of an auxiliary lamp reflector is formed separately as a whole; mount the rotational axis in an axle seat formed inside the outer housing as a whole to make the auxiliary lamp rotatory right and left; on the side of the rotational axis, an integrated rotating gear is formed; a driving shaft of a motor inside the outer housing that can rotate in positive and negative direction is provided with a drive gear; the drive gear is engaged with the rotating gear to make the auxiliary lamp reflector rotatable; an encoder is mounted on a direction spiral shaft to sense rotate angle of a steering wheel; signal of the encoder is input into a main control apparatus; the motor control the positive and negative rotation based on control signal output by the main control apparatus. Effect of the invention lies in enhancing judgment by means of automobile steering lighting while expanding scope of the head light irradiation, and enhancing security while drive at night.

An embodiment of the invention discloses a collision early warning method and system, a vehicle-mounted rearview mirror and a storage medium. The method comprises the following steps: when an intelligent rearview mirror determines that a vehicle meets a night driving condition, acquiring a real-time image in front of the vehicle by a first infrared camera; if the intelligent rearview mirror recognizes a barrier in front of the vehicle from the real-time image, acquiring the distance from the barrier to the vehicle; and carrying out collision early warning by the intelligent rearview mirror according to the acquired distance and the real-time speed of the vehicle. According to the embodiment of the invention, it determines that the vehicle runs at night through the intelligent rearview mirror, the real-time image in front of the vehicle is acquired to recognize the barrier in front of the vehicle, collision early warning is carried out according to the distance between the barrier and the vehicle and the real-time speed of the vehicle, thus, a driver can judge potential collision danger when drives the vehicle at night, then the system can give an alarm for the driver, and the safety of night driving is improved.

The invention belongs to the technical field of road marks and aims at providing a night continuously self-luminous and highly-reflective road mark. The production method of the night continuously self-luminous and highly-reflective road mark comprises combining cementing materials, curing agent, filler, paint, reflective materials, luminous materials and glass beads at a certain ratio, and then spreading the materials layer by layer on a road surface. The night continuously self-luminous and highly-reflective road mark can achieve continuous self-illumination, and with the highly-reflective materials, provide better reflective effects, thereby meeting the original standard requirements on properties such as non-sticking drying time, pressure resistance, wear resistance and chromaticity, and meanwhile, achieving higher reflective performance and better energy storage effects compared with traditional marks; the night continuously self-luminous and highly-reflective road mark can achieve continuous self-illumination, so that, during night driving and within the light range of car lamps, the night continuously self-luminous and highly-reflective road mark is higher in reflective performance, clearer in marking, wider in view field and capable of ensuring driving safety; besides, through self-illumination in the range where car light cannot reach, the night continuously self-luminous and highly-reflective road mark can indicate the heading direction for drivers to reduce accidents.

A system and method is presented for the enhancement of a user's vision using a head-mounted device. The user is presented with an enhanced view of the scene in front of them. One system and method reduces the glare from lights or the sun. Another system and method provides increased contrast for the darkest parts of a scene.

The invention provides a natural color night vision realization method based on a single band infrared image. The method is characterized by providing a characteristic vector which is based on multi-scale and spatial context information and used for analyzing pixel points. The method comprises the following steps of: training a characteristic-vector-based natural color model by adopting a sample study method first; and then, establishing the color distribution of an infrared night vision image by using the trained natural color model to realize a process of automatic colorization. The method has the advantages that: the method can work in a single band infrared image wherein a conventional night vision image colorization method cannot work, and the single band infrared image can be endowed with natural color automatically so as to improve the accuracy and the efficiency of target identification and scene understanding. The method can be applied to various types of civil and military systems such as a night driving assisting system of a vehicle, a video monitoring system, a military target tracking and identifying system and the like.

The invention discloses an on-state judging method of headlights on full beam of night-driving cars based on morphological characteristics. The on-state judging method includes: step 1, capturing images which can obviously judge headlight shapes, step 2, performing binarization processing on the captured images, step 3, performing erosion processing on the images subjected to binarization processing, step 4, labelling the effect images subjected to erosion processing, step 5, eliminating connected domain of the labeled images in a small area, step 6, performing connected domain merge processing on the effect images subjected to small-area connected domain elimination, step 7, detecting headlight array shapes, and step 8, judging on-states of headlights of the same car. The on-state judging method can judge the on-state of the headlights on full beam of the night-driving cars based on the morphological characteristics.

The invention discloses a vehicular night curve auxiliary and vision enhancing device, which comprises a follow-up steering illuminating subsystem, an infrared night viewing subsystem, an embedded processing control platform and an LCD (liquid crystal display) screen. The embedded processing control platform is used for acquiring and transmitting vehicular state information and calculating control quantity of the follow-up steering illuminating subsystem to control the follow-up steering illuminating subsystem, and further used for acquiring and processing video signals of the infrared night viewing subsystem. The embedded processing control platform is respectively connected with a vehicular CAN (controller area network) and the follow-up steering illuminating subsystem through CAN bus interfaces, and further connected with an infrared CCD (charge coupled device) camera through a video transmission cable/interface. The embedded processing control platform is connected with the LCD screen. By means of full utilization of the automobile electronic technique and the microelectronic technique and completely technical combination, the visual field is expanded for a driver driving at night, hazardous situation perceptual ability of the driver under adverse conditions can be improved, and accordingly night driving safety can be improved.

This invention relates to a sort of auxiliary system of the car night drive with multi-wavelength automatic transfer, and it consists of the variable wavelength infrared illuminating system, the hyperfocal distance wavelength automatic transfer system, the hyperfocal distance infrared imaging optical system, the infrared imaging and signal processing system, the ECU which has the wavelength automatic transfer control export, and the projection or screen and the object clew system. The illuminating wavelength of the variable wavelength infrared illuminating system is changed by the ECU which has the wavelength automatic transfer control export, at the same time it changes the corresponding infrared window which has the protection cladding and it enters the optical filter box of the hyperfocal distance infrared imaging optical system in order to obstruct the disturbance of the opposite lamp-house and to advance infrared illuminating condition of the road, so it realizes the imaging in focus in order to debase the accident rate and to advance the security of the car. It can select the different imaging wavelength automatically when the congener car encounters. This invention can apply the even more complicated road condition, its low cost and systematization and compaction can be used for the night drive auxiliary system of the motor vehicles.

The invention discloses a mobile Internet based night driving pedestrian prompt assistant system. The system includes pedestrian carried subsystems and vehicle-mounted subsystems. The pedestrian carried subsystems are carried by pedestrians. The vehicle-mounted subsystems are arranged on vehicles. The vehicle-mounted subsystems and the pedestrian carried subsystems are connected to mobile Internet. The mobile Internet based night driving pedestrian prompt assistant system of the invention is different from a conventional vehicle-mounted sensor based night driving assistant system, is introduced with the mobile Internet, greatly gets rid of the restriction of environment conditions, can deal with various situations of sudden appearance of pedestrians in the front of vehicles during night driving, provides drivers with effective prompts and assistance in various forms of coordination, and can effectively avoid collision accidents between people and vehicles during night driving caused byunclear perception of drivers.

The invention discloses a night driving safety auxiliary system. The night driving safety auxiliary system comprises a laser transmitter and an optical image capturing device, wherein the laser transmitter is installed on the front end of a car body to form a given angle; the optical image capturing device is installed on the top of the car body to correspond to the laser transmitter, and the optical image capturing device is further connected with a spectrum recognition unit. A light track of structural light presented on the pavement and transmitted by the laser transmitter to the pavement in front of the car body is transmitted to the spectrum recognition unit after being collected by the optical image capturing device, so that the pavement situation in front of the car body can be recognized in real time, warning of different degrees is transmitted to a driver or the driving of the vehicle is interfered through software according to the different road conditions, protruded obstacles or concave holes can be avoided in time, and the night driving safety potential danger can be eliminated.

The invention provides a method and device for dynamically and horizontally adjusting a vehicle headlamp. The method includes the steps that height variation values of a car body front axle and a car body rear axle are obtained and calculated; car body angle variation values corresponding to the height variation values of the car body front axle and the car body rear axle are calculated; headlamp light height variation values are calculated according to the height variation values of the car body front axle and the car body rear axle; light angle variation values corresponding to the headlamp light height variation values are calculated; a headlamp adjusting distance is calculated according to the car body angle variation values, the light angle variation values and the vertical distance between a headlamp adjusting motor mechanism and a headlamp reflection cover fixing shaft; and the headlamp is adjusted according to the adjusting distance. By means of the method and device, the precision of dynamically and horizontally adjusting the headlamp of a vehicle can be effectively improved, and safety of night driving is improved.

The invention discloses an automatic vehicle illumination control system and a control method. The automatic vehicle illumination control system comprises a headlamp controlled by a horizontal drive motor and a vertical drive motor, wherein both the horizontal drive motor and the vertical drive motor are controlled by a control module ECU; the control module ECU is connected with a vehicle speed sensor, a steering wheel angle sensor, a front-wheel vehicle body height sensor and a rear-wheel vehicle body height sensor; the horizontal drive motor and the vertical drive motor are adopted simultaneously, calculation is performed by the control module ECU according to multiple parameters including a brake distance, a vehicle speed, a steering wheel angle, front vehicle body height and rear vehicle body height, comprehensive and accurate control of the headlamp is realized, the accident rate during night driving is reduced greatly, and the driving safety is improved obviously; the system is simple in structure, convenient to mount and low in cost, the sensors have comprehensive functions although only a few sensors are adopted, and the requirements for the headlamp during driving at a curve and on a slope at night can be completely met.

The invention discloses a dark-night driving lamplight automatic switching device and a switching method. The dark-night driving lamplight automatic switching device comprises an image collecting device, an image analyzing and judging device, a main controller, a trigger switch, a high-beam headlight and low-beam headlight switching controller and a power supply, wherein the image collecting device is connected with the image analyzing and judging device; the main controller is connected with the image analyzing and judging device and the high-beam headlight and low-beam headlight switching controller; the main controller is also connected with the power supply through the trigger switch. By using the dark-night running lamplight automatic switching device and the switching method, the accuracy of recognizing lamplight is high; the switching speed is quick.