The invention relates to a method and a system (100) for preparing data on dynamic spatial scenarios (10), to a computer-supported method, to a system (200) for training artificial neural networks (1), to a computer-supported method, and to a system (300) for analyzing sensor data. A display (20) is generated of a time curve of an angular sector covered by another object (12, 12a, 12b, 12c) from the perspective of an ego object (11a). The time curve is ascertained from sensor data, and the sensor data is suitable for characterizing a dynamic spatial scenario (10) with respect to the ego object (11a) and at least one other object (12, 12a, 12b, 12c).
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