摘要:
An imaging system for use in an exterior or interior of a vehicle comprises a camera having an image sensor with an associated optical path and viewing area and an infrared filter associated with the image sensor for automatically selectively attenuating infrared radiation according to light conditions of the viewing area. The imaging system can further comprise a selectively acutable supplemental illumination system comprising at least one light source for providing supplemental illumination to the viewing area of the camera.
摘要:
Provided are systems and methods for providing a stabilized color management system in a solid state lighting panel. Methods according to some embodiments include receiving, in the microcontroller, a color management reference value corresponding to a color characteristic of the solid state lighting panel and adjusting a control mode of the microcontroller responsive to the color management reference value.
摘要:
Methods of controlling a display including a backlight unit having a plurality of solid state light emitting devices are disclosed. The methods include receiving a target color point for the display, measuring a temperature associated with the display, generating a compensated target color point in response to the measured temperature, and setting a color point of the backlight unit to produce the compensated target color point.
摘要:
A headlamp control system for a vehicle includes an imaging array sensor, which has a field of view forward of the vehicle, and a control that processes images captured by the imagine array sensor. The control is operable to detect light sources in the field of view and to determine an activity level in the field of view in response to a quantity of light sources detected. The control is operable to control a headlamp of the vehicle in response to identification of at least one of a headlamp of another vehicle and a taillight of another vehicle and in response to the activity level. The control may be operable to process the captured images to detect lane markers or precipitation in the field of view and may control a steering system of the vehicle or a wiper motor of the vehicle in response to such image processing.
摘要:
A rearview vision system for a vehicle includes an image capture device mounted at the rear of the vehicle and having a field of view directed rearwardly of the vehicle. A display system is viewable by a driver of the vehicle. The display system displays a rearward image output of the image capture device. A graphic overlay is superimposed on the rearward image when the gear actuator of the vehicle selects a reverse gear. The graphic overlay may include indicia of the anticipated path of travel of the vehicle. The graphic overlay may be disabled when the gear actuator of the vehicle is not in reverse gear.
摘要:
A vehicle headlamp control method and apparatus includes providing an imaging sensor that senses light in spatially separated regions of a field of view forward of the vehicle. Light levels sensed in individual regions of the field of view are evaluated in order to identify light sources of interest, such as oncoming headlights and leading taillights. The vehicle's headlights are controlled in response to identifying such particular light sources or absence of such light sources. Spectral signatures of light sources may be examined in order to determine if the spectral signature matches that of particular light sources such as the spectral signatures of headlights or taillights. Sensed light levels may also be evaluated for their spatial distribution in order to identify light sources of interest.
摘要:
Methods of controlling a backlight unit including a plurality of solid state light emitting devices include receiving a request to set a color point of the backlight unit at a requested color point, and determining if the requested color point is within an acceptable range. In response to the requested color point being outside the acceptable range, a modified color point is selected in response to the requested color point, and a color point of the backlight unit is set at the modified color point. Corresponding solid state lighting units are also disclosed.
摘要:
Provided are systems and methods for controlling a solid state lighting panel. A system according to some embodiments of the invention includes a controller that provides control signals to current drivers that are configured to provide current to multiple solid state lighting devices. The system also includes a sequence generator that generates a firing sequence for firing multiple strings of slid state lighting devices.
摘要:
An image sensing system for a vehicle includes an imaging sensor having an array of light sensing photosensor elements. The imaging sensor views through the windshield of the equipped vehicle at a region of the windshield that is swept by a windshield wiper of the equipped vehicle. The imaging sensor is operable to capture image data and is operable to capture frames of image data at a plurality of exposure periods. The image sensing system identifies objects in the forward field of view of the imaging sensor via processing of the captured image data by an image processor. The objects identified by the image sensing system may include at least one of (i) headlights of approaching vehicles, (ii) taillights of leading vehicles, (iii) lane markers on a road being traveled by the equipped vehicle, (iv) traffic signs, (v) traffic lights, (vi) stop signs and/or (vii) caution signs.
摘要:
A lighting panel system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting devices. The current supply circuit is configured to supply an on-state drive current to the string of solid state lighting devices in response to a control signal. The current supply circuit includes a charging inductor coupled to the voltage input terminal and an output capacitor coupled to the first output terminal. The current supply circuit is configured to operate in continuous conduction mode in which current continuously flows through the charging inductor while the on-state drive current is supplied to the string of solid state light emitting devices.