摘要:
A device for redundant object detection includes a stereo camera having two image sensors, a first processor for detecting objects by stereo image evaluation of image data from the two image sensors, and a second processor for classifying the detected objects by evaluation of image data from at least one of the two image sensors. A method and a program for such object detection and classification are also provided.
摘要:
A driver assistance system for motor vehicles has a sensor device for measuring data about the environment of the vehicle, at least two assistance functions, and a data processing device, which analyzes the measured data and generates at least one specific environmental hypothesis for each assistance function, which provides output data in a form prepared for the corresponding assistance function, at least one environmental hypothesis which has a structure divided into a plurality of partial hypotheses being predefined in the data processing device, and the partial hypotheses having such a logical relationship with one another that output data of one partial hypothesis flow into the generation of the other partial hypothesis, and at least two assistance functions directly or indirectly use a shared partial hypothesis.
摘要:
A method and a device for controlling automatic emergency braking of a motor vehicle to reduce the severity of a collision of a vehicle with an object, the position and/or speed of the object with respect to the host vehicle being determined via an object detection device, and this information being sent to a collision detection device which ascertains whether a collision with an object is imminent and, on detecting a collision, triggers emergency braking and ascertains a collision instant, emergency braking being terminated after the period of time until the determined collision instant has elapsed.
摘要:
A method and device are provided for measuring distance and relative speed of a plurality of objects with the aid of an FMCW radar, transmitted signals being reflected by objects, and the reflected signals being received and mixed with the transmitted signals. A combination of distance and relative speed values is assigned to the mixer output frequencies of each frequency ramp for each object, and the distance and relative speed of a possible object are determined from points of intersection of a plurality of distance and relative speed combinations. The apparent (unreal) objects are eliminated by modifying the frequency slope of at least one frequency ramp according to the random principle in a subsequent measurement cycle.
摘要:
A portable data storage configuration has a card base and a display device, the display device being fixed to the card base. The display device is only partially connected to the card base by the fixed connection. This mounting technique results in that almost no lateral or shear forces act on the display device.
摘要:
A method and a device for estimating the coefficient of friction by a 3D camera. The 3D camera records at least one image of the vehicle's surroundings. The image data of the 3D camera is used to produce a height profile of the road surface in the entire space ahead of the vehicle. Based on the height profile, the local coefficient of friction of the road surface that is to be expected in the space ahead of the vehicle is estimated.
摘要:
A method for classifying objects into obstacles and non-obstacles for a vehicle is described. The vehicle comprises a sensor for covering the surroundings that detects stationary and moving objects in a scene in front of a vehicle. Where required, the path of the motion of the objects is tracked. The method provides one or several observers, wherein one observer classifies an object according to predetermined features and contributes to an overall classification result when there are several observers. An observer detects the path of the motion of vehicles in the surroundings of at least one stationary object and classifies the stationary object in dependence thereon.
摘要:
A method for predicting object movements in a driver assistance system of a motor vehicle, in which the movements of objects located periodically by a locating device (12) are precalculated by dynamic modeling of the objects, characterized in that a plurality of dynamic models (16) are held in readiness which are based on different hypotheses about the object, and that the models are selected and/or weighted as a function of the situation in accordance with the correctness probability (P1, P2) of the hypotheses for the prediction.
摘要:
A method and a device for controlling at least one object detection sensor for a motor vehicle, the at least one sensor being switchable between a plurality of operating modes; a plurality of functions for evaluating the objects detected, using the object detection sensor, being able to access randomly the at least one sensor and a switchover between the operating modes being selected as a function of the instantaneously accessing assistance functions, and a coordinator is provided between the function evaluation devices and the at least one sensor; each function accessing the at least one sensor transmits to the coordinator a biasing probability distribution function, respectively, and the at least one sensor transmits to the coordinator a detection probability density function for each operating mode that is able to be activated, and the coordinator selects the most suitable operating mode for each function accessing the at least one sensor.
摘要:
A radar system for motor vehicles, having a radar sensor and an evaluation device for measuring distances and relative velocities of objects in the surrounding field of the vehicle, and a collision detection device, which, on the basis of the measured distances and relative velocities, recognizes an imminent collision and delivers data on the expected time of collision and the impact velocity to a precrash system. The radar sensor is switchable by the collision detection device to a velocity measurement mode in which a more precise measurement of the relative velocity is made.