Abstract: A camera system of a vehicle includes: a camera within a passenger cabin of the vehicle and configured to capture an image including an occupant of a seat within the passenger cabin; a straight edge detection module configured to detect a straight edge in the image; a score module configured to determine a score for the straight edge, the score corresponding to an optical quality of the camera; and an action module configured to take one or more actions when the score is less than a predetermined value.

Abstract: A camera system of a vehicle includes: a camera within a passenger cabin of the vehicle and configured to capture an image including an occupant of a seat within the passenger cabin; a straight edge detection module configured to detect a straight edge in the image; a score module configured to determine a score for the straight edge, the score corresponding to an optical quality of the camera; and an action module configured to take one or more actions when the score is less than a predetermined value.

Abstract: Antenna structures and assemblies for use in RADAR sensor assemblies and the like. In some embodiments, the assembly may comprise a printed circuit board, an integrated circuit coupled to the printed circuit board on a first surface of the printed circuit board, and an antenna coupled to the printed circuit board on a second surface of the printed circuit board opposite the first surface. A vertical waveguide may extend through the printed circuit board from the integrated circuit to the antenna and may be configured to deliver and/or receive electromagnetic energy between the integrated circuit and the antenna.

Abstract: Waveguide and/or antenna structures for use in RADAR sensor assemblies and the like. In some embodiments, the assembly may comprise a waveguide block comprising a first surface on a first side of the waveguide block and a second surface on a second side of the waveguide block opposite the first side. One or more waveguides may be formed in the waveguide block. One or more antenna slots may be operably coupled with one or more of the waveguides. One or more auxiliary grooves may be positioned adjacent to at least one of the antenna slots and may mimic, or at least substantially mimic, at least one of the one or more antenna slots, such as in length and/or width.

Abstract: Methods and systems for remote child monitoring within a vehicle. In some implementations, the method may comprise method may comprise receiving a signal in a vehicle from a remote device requesting that one or more seats in the vehicle be monitored and monitoring a child within the one or more seats using one or more sensors within the vehicle to attempt to identify a plurality of status indicators relating to the child. Signals received from the one or more sensors may be processed to categorize a current safety state of the child within one of a plurality of safety state categories using the plurality of status indicators. A signal may then be transmitted to the remote device indicative of a real-time safety state of the child within a corresponding safety state category of the plurality of safety state categories.

Abstract: A camera assembly for mitigating red glow is provided. A camera assembly may be configured for attachment to a vehicle. The camera assembly may include an imaging sensor and a light assembly. The imaging sensor may be configured to detect objects within a field of view. The light assembly may be configured to illuminate the field of view. The light assembly may include a light source that comprises a infra-red or near infra-red light emitting diode. The light source may oriented to be hidden from the field of view. A reflective concentrator may be configured to direct light from the light source to the field of view.

Abstract: A camera measurement module is configured to determine one or more first measurements of an occupant of a seat within a passenger cabin of the vehicle based on an image captured using a camera of the passenger cabin; a radar measurement module configured to determine one or more second measurements of the occupant of the seat within the passenger cabin based on radar signals from a radar sensor of the passenger cabin; a measurement module configured to determine one or more third measurements of the occupant of the seat within the passenger cabin based on at least one of: the one or more first measurements of the occupant of the seat; and the one or more second measurements of the occupant of the seat; and a control module configured to selectively take one or more actions based on the one or more third measurements of the occupant.

Abstract: A passive breath sensor is configured to measure an amount of an intoxicant present within a passenger cabin of the vehicle. A camera is configured to capture images including a driver on a driver's seat within the passenger cabin. A baseline module is configured to determine a baseline dimension of a pupil of an eye of the driver based on images from the camera. An eye detection module is configured to determine a present dimension of the pupil of the eye of the driver based on an image from the camera. An intoxication indication module is configured to output an indicator that the driver is intoxicated when both the amount of the intoxicant is at least a predetermined amount of the intoxicant and the present dimension of the pupil of the eye of the driver is greater than the baseline dimension of the pupil by a predetermined amount.

Abstract: Antenna structures and assemblies for use in RADAR sensor assemblies and the like. In some embodiments, the assembly may comprise a plurality of elongated radiating slots formed in a first array, which may extend parallel, or at least substantially parallel, to each another within the first array. The assembly may further comprise a plurality of elongated protrusions formed in a second array, which may extend parallel, or at least substantially parallel, to each another within the second array. In some embodiments, each radiating slot within the first array may similarly extend parallel, or at least substantially parallel, to each elongated protrusion within the second array.

Abstract: A driver monitoring system of a vehicle includes: an infrared (IR) camera configured to, via a windshield, capture an image of a driver on a driver's seat within a passenger cabin of the vehicle; and an IR light source configured to transmit IR light directly toward the driver and the driver's seat.

Abstract: An intoxication detection system of a vehicle includes: a passive breath sensor configured to measure an amount of an intoxicant present within a passenger cabin; a camera configured to capture images including a driver on a driver's seat within the passenger cabin; a radar sensor configured to output radar signals toward the driver's seat and receive signals reflected back to the radar sensor; a baseline module configured to determine baseline parameters for the driver based on images from the camera and the signals received by the radar sensor; and an intoxication indication module configured to output an indicator that the driver is intoxicated when both (a) the amount of the intoxicant is greater than or equal to a predetermined amount and (b) at least one present parameter of the driver is different than a respective one of the baseline parameters for the driver by at least a predetermined amount.

Abstract: A camera measurement module is configured to determine first measurements of an occupant of a seat based on an image captured using a camera within the passenger cabin of the vehicle. A radar measurement module is configured to determine second measurements of the occupant of the seat within the passenger cabin of the vehicle based on radar signals from a radar sensor, A measurement module is configured to determine third measurements of the occupant of the seat within the passenger cabin based on at least one of: the first measurements of the occupant of the seat; and the second measurements of the occupant of the seat. An actuator control module is configured to selectively actuate an actuator of a restraint associated with the seat based on the one or more third measurements of the occupant of the seat.

Abstract: An intoxication detection system of a vehicle includes: a passive breath sensor configured to measure an amount of an intoxicant present within a passenger cabin of the vehicle; a camera configured to capture images including a driver on a driver's seat within the passenger cabin of the vehicle; an intoxication indication module configured to: selectively determine that the driver is intoxicated when the amount of the intoxicant is greater than or equal to a predetermined amount of the intoxicant; trigger performance of a test to confirm whether the driver is intoxicated when the amount of intoxicant is greater than or equal to the predetermined amount of the intoxicant; and selectively indicate that the intoxication of the driver is confirmed when nystagmus is detected in the driver based on images from the camera during performance of the test.

Abstract: A camera control system of a vehicle includes: a camera within a passenger cabin of the vehicle and configured to capture images including an occupant of a seat within the passenger cabin; an overheat module configured to, using a thermal model of the camera, determine a period from a present time when a temperature of the camera is expected to become greater than a predetermined temperature and shut down; and a frame rate module configured to set a frame rate of the camera based on the period, where the camera is configured to capture images at the frame rate.

Abstract: A camera measurement module is configured to determine first measurements of an occupant of a seat based on an image captured using a camera within the passenger cabin of the vehicle. A radar measurement module is configured to determine second measurements of the occupant of the seat within the passenger cabin of the vehicle based on radar signals from a radar sensor, A measurement module is configured to determine third measurements of the occupant of the seat within the passenger cabin based on at least one of: the first measurements of the occupant of the seat; and the second measurements of the occupant of the seat. An actuator control module is configured to selectively actuate an actuator of a restraint associated with the seat based on the one or more third measurements of the occupant of the seat.

Abstract: A sensing system includes a sensor with transmitters and detectors. A light source is optically coupled to a light guide disposed in the field of view of the sensor. The light guide is generally planar and the light source illuminates the light guide from an edge, or side, to illuminate the length of the light guide. A housing for the sensing system has a surface configured to reflect or diffract light from the light source towards the surrounding environment.

Abstract: A camera control system of a vehicle includes: a camera within a passenger cabin of the vehicle and configured to capture images including an occupant of a seat within the passenger cabin; an overheat module configured to, using a thermal model of the camera, determine a period from a present time when a temperature of the camera is expected to become greater than a predetermined temperature and shut down; and a frame rate module configured to set a frame rate of the camera based on the period, where the camera is configured to capture images at the frame rate.

Abstract: RADAR sensor assemblies/modules, particularly those for vehicles. In some embodiments, the assembly may comprise a waveguide comprising a waveguide groove defined by opposing waveguide groove structures. An antenna structure may be operably coupled with the waveguide. A printed circuit board may be operably coupled with the waveguide and may comprise an electrically conductive top layer, an electrically conductive bottom layer, and a substrate positioned in between the electrically conductive top layer and the electrically conductive bottom layer. The electrically conductive top layer may comprise an opening exposing the substrate, which opening may extend along the waveguide groove in between the opposing waveguide groove structures. This configuration may allow for various parameters of the printed circuit board to be modified to tune a performance of a sensor/antenna.

Abstract: Antenna assemblies, such as RADAR sensor antenna assemblies, that incorporate destructive interference elements. In some embodiments, the assembly may comprise one or more waveguides, one or more antenna slots, and a plurality of destructive interference elements. The destructive interference elements may be configured to reduce backscatter radiation by contributing to destructive interference of electromagnetic waves incident upon the destructive interference elements. In some embodiments, the destructive interference elements may be defined and/or exposed by a plate that may be coupled with a waveguide block or another layer/component of the assembly.

Abstract: An example system includes an infrared emitter to output infrared light towards a target, where the infrared light reflects from the target to produce reflected infrared light, and a detector to receive the reflected infrared light and to provide a signal based on the reflected infrared light. The system also includes a lighting system that includes a light emitter to output visible light, a mirror configured (i) to allow the visible light to pass through the mirror and to reflect the reflected infrared light onto the detector, or (ii) to allow the reflected infrared light to pass through the mirror and onto the detector and to reflect the visible light, and one or more optical elements configured to affect the visible light and the reflected infrared light.