Abstract: A vehicular vision system includes at least two cameras disposed at a vehicle. The at least two cameras includes a first camera and a second camera. The first camera is disposed at an in-cabin side of a windshield of the vehicle and views through the windshield forward of the vehicle. Each of the first camera and the second camera includes a first CMOS imaging array having at least one million photosensor elements arranged in rows and columns. The second camera includes an encryptor that encrypts image data that is captured by the second camera. The first camera includes a decryptor that decrypts image data encrypted by the second camera. Image data captured by the first camera and image data captured by the second camera may be processed at an electronic control unit (ECU) for a machine vision system of the vehicle.

Abstract: A vehicular navigation system includes an electronic control unit (ECU) having electronic circuitry and associated software. The ECU is operable to determine routes for a vehicle equipped with the vehicular navigation system based at least in part on map data. The ECU, to route the vehicle from a starting location to an ending location, determines one or more candidate routes from the starting location to the ending location. For each determined candidate route, the ECU determines a respective energy efficiency for travel of the vehicle along the respective determined candidate route based at least in part on environmental temperature data for at least one location along the respective determined candidate route. The ECU selects one of the determined candidate routes for the vehicle to travel along based on the determined respective energy efficiency for travel of the vehicle along each determined candidate route.

Abstract: A vehicular cabin monitoring system includes a radar sensor disposed at a vehicle so as to sense interior of the vehicle. The radar sensor includes at least one transmitter that transmits radio signals, and a plurality of receivers that receive radio signals. The vehicular cabin monitoring system, responsive to processing by a processor of radar data captured by the radar sensor and using a neural network, determines occupancy of a seat of the vehicle. The determined occupancy of the seat of the vehicle includes (i) the seat of the vehicle is not occupied, (ii) the seat of the vehicle is occupied by an adult and (iii) the seat of the vehicle is occupied by a child. The vehicular cabin monitoring system generates an alert responsive to determining that the seat of the vehicle is occupied by a child and that no seat of the vehicle is occupied by an adult.

Abstract: A vehicular camera assembly includes a lens barrel that accommodates a lens. An imager printed circuit board (imager PCB) has an imager aligned with the lens. First and second vias are formed through the imager PCB. First and second connecting pins are electrically connected to a heating device and are received at the first and second vias of the imager PCB. The imager PCB is movable along the first and second connecting pins at least in a direction parallel to a longitudinal axis of the lens barrel. The first and second connecting pins are fixed to the imager PCB at the first and second vias. The heating device is electrically connected to circuitry of the vehicular camera assembly via the first and second connecting pins and, when the heating device is operated via the circuitry of the vehicular camera assembly, the heating device heats the lens.

Abstract: A vehicular sensing system includes a radar sensor that is operable to capture radar data. The radar sensor includes a transmitter that transmits radio signals and a receiver that receives radio signals. The radar sensor is integrated into a seat body or a seatbelt of the vehicle. Electronic circuitry of an electronic control unit includes a data processor for processing sensor data captured by the radar sensor. The vehicular sensing system, responsive to processing of sensor data captured by the radar sensor while an occupant of the vehicle occupies the seat and/or wears the seatbelt, determines a health characteristic of the occupant.

Abstract: A windshield electronics module disposed at a vehicle includes a camera module having a camera housing that accommodates a camera and circuitry. The camera housing includes lower heat dissipating fins and rear heat dissipating fins. A cooling fan assembly is mounted at a lower portion of the camera housing. The cooling fan assembly draws air from an interior cabin of the vehicle via an air intake of the vehicular windshield electronics module and directs the drawn air as airflow (i) in a radial direction with respect to an axis of rotation of the fan blades, and (ii) in an axial direction with respect to the axis of rotation of the fan blades. The cooling fan assembly directs the drawn air as airflow (i) in the radial direction along and between the lower heat dissipating fins, and (ii) in the axial direction along and between the rear heat dissipating fins.

Abstract: A vehicular vision system includes a camera that captures image data. The vehicular vision system, responsive to processing by an image processor of image data captured by the camera, detects a plurality of objects present within the field of view of the camera. The vehicular vision system, responsive to detecting the objects, generates a plurality of intra-hypotheses. The vehicular vision system, responsive to generating the plurality of intra-hypotheses, generates a plurality of inter-hypothesis, with each inter-hypothesis (i) based on at least one of the intra-hypotheses and (ii) representing a respective detected object different from each other inter-hypothesis. The vehicular vision system, responsive to generating the plurality of inter-hypothesis tracks the detected object. The vehicular vision system, responsive to tracking the object, controls a driver assistance system of the vehicle.

Abstract: A vehicular electronic control unit (ECU) includes a printed circuit board (PCB) and a housing that accommodates the PCB. The PCB includes an electronic component that, when electrically operated, generates heat within the housing. Heat dissipating fins extend along an exterior side of the housing. Heat generated within the housing is dissipated via the heat dissipating fins. A shroud extends along the exterior side and covers the plurality of heat dissipating fins. A passageway extends through the shroud. An airflow source is electrically operated to draw air from within a cavity between the shroud and the exterior side of the housing and along and through the passageway and the drawn air flows between the exterior side and the shroud and along and between the heat dissipating fins to dissipate heat from the plurality of heat dissipating fins.

Abstract: A vehicular radar sensing system includes a radar sensor disposed at a vehicle. The radar sensor transmits and receives radio signals. The vehicular radar sensing system, via processing of radar data captured by the radar sensor, detects a plurality of objects present within a field of sensing of the radar sensor. The system determines a plurality of phase delays in the radar data. Phase delays of the plurality of phase delays are associated with respective received radio signals reflected off respective detected objects of the plurality of detected objects. The vehicular radar sensing system determines a common phase delay of the plurality of phase delays that is common among the received radio signals reflected off detected objects. The system, responsive to determining that an amount of performance degradation of the radar sensor based on the blockage is greater than a threshold amount, adjusts a driving assistance system of the vehicle.

Abstract: A vehicular control system includes a vehicle dynamics sensor disposed at a vehicle and capturing vehicle dynamics data representative of a state of motion of the vehicle. The vehicular control system, when the vehicle is at a first location on a road the vehicle is traveling along, determines the state of motion of the vehicle via processing of vehicle dynamics data captured by the vehicle dynamics sensor. The vehicular control system, after the vehicle has traveled along the road from the first location to a second location, predicts a second location of the vehicle based on the state of motion of the vehicle at the first location. The vehicular control system determines a sensitivity of the state of motion of the vehicle to change and corrects the predicted second location of the vehicle based at least in part on a global positioning system of the vehicle.

Abstract: A vehicular integrated ADAS/infotainment module includes first electronic circuitry disposed at a printed circuit board and second electronic circuitry disposed at the printed circuit board. With the vehicular integrated ADAS/infotainment module disposed at a vehicle, the first electronic circuitry at least partially controls an advanced driver assistance system (ADAS) of the vehicle and the second electronic circuitry at least partially controls an infotainment system of the vehicle. A firewall restricts communication from the first electronic circuitry to the second electronic circuitry and the firewall restricts communication from the second electronic circuitry to the first electronic circuitry. A housing at least partially encapsulates the printed circuit board, and the housing is liquid cooled to transfer heat generated by the first electronic circuitry and the second electronic circuitry away from the printed circuit board.

Abstract: A vehicular driving assistance system includes a camera disposed at a vehicle and an electronic control unit (ECU). The vehicular driving assistance system, responsive to processing at the ECU of image data captured by the camera, determines lane markers for a traffic lane along which the vehicle is traveling. The system, using a first Kalman filter and based on the determined lane markers, a lateral lane offset of the vehicle. The vehicular driving assistance system, responsive to processing by the data processor of GPS data, determines, using a second Kalman filter different from the first Kalman filter, a geographical location of the vehicle. The vehicular driving assistance system, based on the determined lateral lane offset of the vehicle and based on the determined geographical location of the vehicle, controls at least one selected from the group consisting of (i) steering of the vehicle and (ii) velocity of the vehicle.

Abstract: A vehicular camera includes first and second imaging sensors respectively capturing first and second image data. Light incident at the camera passes through an optical element to be incident at a polarizing beam splitter (PBS). With the camera disposed at a vehicle, circularly polarized light reflected from an object and backscattered natural light are incident at the camera. First and second portions of the backscattered light respectively have first and second orthogonal polarization states. The circularly polarized light passes through the optical element and is incident at the PBS as linearly polarized light having the first orthogonal polarization state. The PBS directs the linearly polarized light and the first portion of the backscattered light to the first imaging sensor and directs the second portion of the backscattered light to the second imaging sensor. A vehicular vision system detects an object based on processing of the first and second image data.

Abstract: A vehicular vision system includes an electronic control unit (ECU) configured, when installed in a vehicle, to connect via a plurality of coaxial cables of the vehicle with a plurality of vehicular cameras of the vehicle. Each camera is operable to capture image data. The coaxial cables (i) carry image data captured by the respective camera from the respective camera to the ECU, (ii) carries camera control data from the ECU to the respective camera and (iii) connects a DC power supply of the ECU to the respective camera for powering the respective camera. The camera control data is carried by the respective coaxial cable from the ECU to the respective camera at a control data carrier frequency that is lower than an image data carrier frequency at which image data captured by the respective camera is carried by the respective coaxial cable from the respective camera to the ECU.

Abstract: A vehicular vision system includes a rear backup camera and a controller having an image processor. A video display screen is disposed in the vehicle and viewable by a driver of the vehicle. With the vehicular vision system operating in a standard viewing mode, image data captured by the rear backup camera is processed to provide video images representative of a standard view rearward of the vehicle that is within the field of view of the rear backup camera. With the vehicular vision system operating in a cross-traffic viewing mode, image data captured by the rear backup camera is processed at the image processor to provide video images derived from the processed captured image data that are representative of a wider angle view rearward of the vehicle that has a wider angle view than the standard view rearward of the vehicle.

Abstract: A vehicular camera includes an imager printed circuit board (PCB) having an imager disposed at a first side of the imager PCB. A metal lens barrel accommodates a lens having a plurality of lens optics disposed within the metal lens barrel between an inner end and an outer end. The inner end of the metal lens barrel is adhesively bonded to the first side of the imager PCB via an adhesive ring. The adhesive ring is disposed between the inner end of the metal lens barrel and the first side of the imager PCB and circumscribes the imager at the first side of the imager PCB to enclose a region between the imager PCB and the lens, whereby the imager is disposed within the enclosed region between the imager PCB and the lens accommodated by the metal lens barrel.

Abstract: A vehicular vision system includes a camera disposed at a vehicle and viewing rear of the vehicle, and an electronic control unit (ECU) having an image processor for processing image data captured by the camera. The vehicular vision system, responsive to processing by the image processor of image data captured by the camera, determines an individual has moved within a threshold distance of the rear of the vehicle. The vehicular vision system, responsive to determining that the individual has moved within the threshold distance of the vehicle, determines whether the individual is an authorized user of the vehicle. Responsive to at least to determining that the individual is an authorized user of the vehicle, a powered rear lift gate mechanism of the vehicle opens a rear lift gate of the vehicle to allow the user access to the interior of the vehicle.

Abstract: A method for calibrating a radar system includes disposing the radar sensor at a vehicle and disposing an object at a first location relative to the vehicle. Using sensor data captured by the radar sensor with the object at the first location, a first location of the object relative to the radar sensor is determined. The object is moved along an intended principal axis of sensing for the radar sensor from the first location to a second location. Using sensor data captured by the radar sensor with the object at the second location, a second location of the object relative to the radar sensor is determined. Using the first determined location of the object and the second determined location of the object, a misalignment of the radar sensor is determined. The radar system is calibrated based at least in part on the misalignment.

Abstract: A vehicular radar sensing system includes a radar sensor that includes a radiation slot sheet, a wave port sheet, and a waveguide sheet sandwiched between the radiation slot sheet and the wave port sheet. The sheets are joined together. The radiation slot sheet includes at least one transmitter that transmits radio signals and at least one receiver that receives radio signals. The waveguide sheet guides the transmitted radio signals from the radiation slot sheet to the wave port sheet and guides reflected radio signals from the wave port sheet to the radiation slot sheet. The transmitted radio signals are provided to the environment via at least one wave port of the wave point sheet. The reflected radio signals are received from the environment at the at least one wave port.

Abstract: A vehicular camera assembly includes a printed circuit board (PCB) and a camera housing having a first housing portion with a lens barrel that accommodates a lens. An imager at the PCB faces the lens. At least one of (i) the PCB is attached at the first housing portion via a thermally conductive adhesive and (ii) the lens barrel is attached at the first housing portion via the thermally conductive adhesive. The PCB is thermally conductively connected to the first housing portion and, while the vehicular camera assembly is electrically operated to capture image data, heat generated within the camera housing is drawn away from the PCB at least in part through the thermally conductive adhesive and the front housing portion.