表面如此,但是真正的鱼群是不会螺旋状游动的。他们的真正目的其实是相互帮助觅食和躲避掠食者。然而,任何时候只有鱼群中的少数才会会对食物和威胁作出反应。因此,Couzin博士十分想弄明白这些所谓的 领导 是如何影响鱼群的行为的?
He discovered that leadership is extremely efficient. The larger a shoal is, the smaller isthe proportion of it that needs to know what is actually going on for it to feed and avoidpredation effectively. Indeed, having too many leaders with conflicting opinions results inconfusion. At least, that is true in the model. He is now testing it in reality.
他发现,领导力至关重要。鱼群越大,花在捕食和躲避掠食者方面的精力就越少。而事实上,领导太多,意见相左,就会陷入混乱,至少在模拟试验中是这样。现在,他要在真实的环境中开始测试了。
Tracking individual fish in a shoal is hard. Fortunately, advances in pattern-recognitionsoftware mean it is no longer impossible. Systems designed to follow people are now cleverenough not only to track a person in a crowd, but also to tell in which direction his head isturned. Since, from above, the oval shape of a human head is not unlike the oblong body of afish, this software can, with a little tweaking, follow piscine antics, too.
追踪鱼群中的个体十分的困难,幸运的是,外形识别软件的进步意味着它不再成为不可能。人类行为识别系统已经十分的智能化了,不仅能在人群中追踪个体,而且还可以告诉他的头正朝向哪里。从上面看,既然人类头颅的椭圆形状与鱼类长圆型的体型没区别不大,那么,这个软件只需稍加调整便可识别鱼了。
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