> Everyone joining a lower ranked institution thinks the same - they’ll simply go to one of the top labs!
They do? Generally you know what group or lab you're joining before you start your PhD, since university administrators want to know who's paying for your salary.
> This is like saying every med student can choose to become exactly what specialist they want.
No, but having a computer vision expert as your advisor, presenting conference papers on computer vision, and writing your dissertation on computer vision increases your odds of getting a post doc doing research in computer vision.
They do? Generally you know what group or lab you're joining before you start your PhD, since university administrators want to know who's paying for your salary.
> This is like saying every med student can choose to become exactly what specialist they want.
No, but having a computer vision expert as your advisor, presenting conference papers on computer vision, and writing your dissertation on computer vision increases your odds of getting a post doc doing research in computer vision.