1. Method for detecting target objects by means of a first sensor device containing at least one first sensor and a second sensor device containing at least one second sensor, wherein the second sensor can be aligned by means of a control device in different spatial directions, with the following process steps: a) target objects are detected by means of the first sensor device, b) for the target objects respectively at least one first target parameter is determined, c) at least a part of the target objects is stored with the at least one first target parameter and information on the spatial direction of the target object relative to the position of the second sensor, d) the stored target objects are assessed based on target parameters and assessment criteria stored thereon and a highest priority target object is determined thereby, e) the second sensor is aligned to the highest priority target object determined in step d) and a sensor signal of the second sensor to the target object is obtained, f) by automatic evaluation of the sensor signal obtained on a target object in the second sensor at least one further target parameter is extracted, g) the steps d) through f) are carried out repeatedly, optionally with the addition of newly added target objects according to a) through c).