Fish on the slide

 作者:潘临粒     |      日期:2019-03-06 06:02:00
How do you weigh a live, wriggling fish? At the moment, fish farmers separate the fish using a machine with different sized chutes, rather like a coin sorter. But Emanuele Trucco of Heriot-Watt University in Edinburgh has developed a more precise system that can work out the weight of a fish by taking digital snapshots of it as it slides down a single transparent chute (Applied Artificial Intelligence, vol 15, p 735). The system is calibrated by photographing and weighing large batches of fish,