| 摘要 |
The invention relates to a method for detecting the presence and/or volume and/or identity of liquid in a transparent carrier, comprising directing a light source towards the carrier; having a camera record an image of light refracted by the carrier; and deriving information regarding the presence and/or volume of the liquid in the carrier from the recorded image of the light refracted by the carrier. The invention further relates to a device for performing the method as claimed in any one of the claims 1-12, comprising a camera directed towards the carrier; a light source directed towards the carrier; and means for recording an image of light from the light source as refracted by the carrier and captured by the camera. |
