[CST-2] Neural Computing / Vision

[Timothy Hospedales]

Hi,
 The NC notes have a bullet point about Zero-Crossings in visual codes
being a counter example to Marr's theory. Does anyone know/remember
why this is so?

 IF your zero-crossings are edge information then it seems in line
with Marr's 2D primal sketch contains edge information.

Thanks,
Tim