"To understand the relationship between behavior and brain one has to begin by defining the function, or computational…"

"Vision is a process that produces from images of the external world a description that is useful to the viewer and no…"

"A representation is a formal system for making explicit certain entities or types of information, together with a spe…"

"The critical act in formulating computational theories turns out to be the discovery of valid constraints on the way …"

"The primitives of a representation are the most elementary units of shape information available in a representation."

"The abstract properties of this mapping are defined precisely, and its appropriateness and adequacy for the task at h…"

"In order to understand bird flight, we have to understand aerodynamics; only then does the structure of feathers and …"

"[If] we can experimentally isolate a process and show that it can still work well, then it cannot require complex int…"

"When David Marr at MIT moved into computer vision, he generated a lot of excitement, but he hit up against the proble…"

"I am not sure that Marr would agree, but I am tempted to add learning as the very top level of understanding, above t…"