| 摘要 |
<p>Electro-optical device (10) for counting persons or other, comprising at least a unit for the acquisition (11) of three-dimensional images by means of the indirect measurement of the time of flight of light impulses emitted towards the persons, or other, to be counted, at least a unit for the emission (12) of the light impulses, and at least a processing unit (13) able to process the three-dimensional images detected by the acquisition unit (11), to count the persons present in the field of vision of the acquisition unit (11) and to determine the directions of the streams of movement of the persons.</p> |
