Abstract:
The application provides a method of calibrating at least two cameras of a vehicle. The vehicle has a reference frame. The method comprises taking an image of a scene by each camera. The ground plane of the vehicle is then determined according to features of the image. An origin point of the vehicle reference frame is later defined as being located on the determined ground plane. A translation of a reference frame of the camera is afterward determined for aligning the camera reference frame with the vehicle reference frame.
Abstract:
The present invention relates to an enhanced image calibration and monitoring apparatus and method for calibrating and monitoring an imaging of a camera of a vehicle. A predetermined light pattern is emitted by a lighting unit, for instance a headlight of a vehicle. The headlight of the vehicle may be configured as a digital light processing projector or a liquid crystal display projector. The emitted light pattern is projected at least partly in the field of view of a camera. After capturing the emitted light pattern by this camera, the image data provided by the camera are analysed in order to determine calibration or monitoring parameters of the camera. In this way, an automated calibration and monitoring of an optical system may be obtained. By using the headlights of the vehicle for emitting the light pattern, no further light sources are required. Hence, the costs for such a calibration and monitoring can be reduced.
Abstract:
Die Erfindung betrifft ein Kamerasystem (2) für ein Fahrzeug, mit einer in einer Blickrichtung (B) orientierten Optik (4), die eine sauber zu haltende Oberfläche (5) umfasst, dadurch gekennzeichnet, dass die Optik (4) in einer separaten, ringförmigen Fassung (6) gehalten ist, die zur Erzeugung eines Luftstroms (12) ausgebildet ist, der im Betrieb vor der Optik (4) ausgebildet und in Blickrichtung (B) orientiert ist.
Abstract:
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zur Überwachung einer äußeren Abmessung eines Fahrzeugs, insbesondere einer Veränderung der äußeren Abmessung aufgrund einer äußeren Fahrzeugbeladung.
Abstract:
Kamerasystem für ein Fahrzeug (1) mit mehreren Fahrzeugkameras (2) zur Erzeugung von Kamerabildern, die Bereiche der Umgebung des Fahrzeuges (1) wiedergeben, wobei sich die Sichtbereiche der Fahrzeugkameras (2) zumindest teilweise überlappen, und bei Ausfall eines von einer Fahrzeugkamera (2) übertragenen Kamerabildes durch eine Berechnungseinheit (4) das ausgefallene Kamerabild zumindest teilweise auf Basis von übrigen zumindest teilweise überlappenden Kamerabildern der übrigen Fahrzeugkameras (2) in Abhängigkeit von Kameraparametern (KP) der übrigen Fahrzeugkameras (2) rekonstruiert wird.
Abstract:
A method and a device for image stabilization of an image sequence of one or more cameras of a car are disclosed. Images of the surroundings of a car are recorded and image points of the recorded images are projected to a unit sphere, wherein the projection comprises applying a lens distortion correction. For each of the one or more cameras, a vanishing point is calculated using the projected image points on the unit sphere and a motion of the vanishing point on the unit sphere is tracked. The motion of the vanishing point is used to calculate a corrected projection to a ground plane.
Abstract:
A parking assistance system (1) for a vehicle (VEH) comprising surround sensors (2) adapted to provide sensor data of the vehicle's surrounding; internal sensors (5) adapted to detect a seat occupancy, SO, of passenger seats within the passenger room (PR) of the vehicle (VEH); a data memory (6) storing a vehicle data model, VDM, of the vehicle (VEH) including positions of vehicle doors (VDs) in the vehicle's chassis; a processing unit (3) adapted to process the sensor data received from the surround sensors (2) to calculate an occupancy grid map, OGM, of the vehicle's surrounding and further adapted to calculate disembarking distances for the vehicle doors (VDs) depending on the vehicle data model, VDM, the occupancy grid map, OGM, and the detected seat occupancy, SO.
Abstract:
A method and a camera system for improving the contrast of a camera image comprising an evaluation of the brightness distribution of the image and application of a contrast correction function to the image. In order to improve the contrast for difficult lighting conditions the spatial brightness distribution is determined, whereas the contrast correction function is varied depending on the spatial brightness distribution.
Abstract:
A method and device for determining an ego-motion of a vehicle. Respective sequences of consecutive images are obtained from a front view camera, a left side view camera, a right side view camera and a rear view camera and merged. A virtual projection of the images to a ground plane is provided using an affine projection. An optical flow is determined from the sequence of projected images, an ego-motion of the vehicle is determined from the optical flow and the ego-motion is used to predict a kinematic state of the car.
Abstract:
A surround view system (2) for a vehicle (1) is provided which comprises a plurality of image capture devices (5, 6, 7, 8) for capturing a surround view of the environment in the vicinity of the vehicle (1) for display to a driver. At least one of the image capture devices (8) is configured to be detachably attached to the vehicle (1). The surround view system (2) also includes image processing means (9) for processing the images captured from the plurality of image capture devices (5, 6, 7, 8) and an image display means (10) for displaying the surround view. At least one of the image capture devices (8) is configured to wirelessly transmit the captured image for processing by the image processing means (9).