| 摘要 |
A size measurement apparatus includes a first light emitter unit 11 for widelyemitting light to an imaging area which may include an object; a second light emitter unit 12 may also be used for emitting light to the same or a second imaging area. An image taking unit 13 obtains a range image which contains distance information on a pixel-by-pixel basis, with pixels being arranged two-dimensionally, the distance information being calculated based on a measured time value for the light emitted from the light emitter units to travel back as a reflected light. An arithmetic control unit 14 is used for controlling light emission from the light emitter units, and for calculating size information of the object based on a synthesized range image obtained by synthesizing multiple range images obtained during light emission from the light emitter units. A further embodiment relates to a laser scanning mechanism for obtaining a range image. |
