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Artificial Neural Networks


Consider humans:

  $\mbox{$\bullet$}$
Neuron switching time ~ .001 second
  $\mbox{$\bullet$}$
Number of neurons ~ 1010
  $\mbox{$\bullet$}$
Connections per neuron ~ 104-5
  $\mbox{$\bullet$}$
Scene recognition time ~ .1 second
  $\mbox{$\bullet$}$
100 inference steps doesn't seem like enough
$\rightarrow$
much parallel computation


Properties of artificial neural nets (ANN's):