FIELD: measuring equipment.
SUBSTANCE: device comprises: a receiver to receive the first scene image from the image sensor of the image capturing device having a coded aperture, the image sensor is located outside the focal plane for the scene object; a detector to detect two image objects in the image corresponding to the shadow image of the scene object; a distance evaluation unit to determin the distance to the scene object in response to displacement of two image objects in the image; and a light source to illuminate the scene. The light source has a characteristic adapted to release the optical characteristics of the scene object, and the light source is located substantially on the optical axis of the image capturing device. The characteristic is one of: the light source position; the frequency light distribution emitted by the light source; the spatial light distribution emitted by the light source.
EFFECT: ensuring the optical characteristics of the scene object.
23 cl, 16 dwg
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