Christopher Herot implements the Sezgin/Stahovich corner finder more than 25 years before they do. Or did he? I see a citation by Negroponte and Taggart in '71 called HUNCH-an experiment in sketch recognition. Maybe it really was more like 30 years before and not necessarily Herot.
In my estimation, Herot's real contribution in this paper is the exploration of context and user-guided recognition. Herot discusses training the corner finder to be parameterized for a single user. For example, if the user draws a square and tells STRAIN that she has done so, then STRAIN can be adjusted until it finds exactly five corners (including both endpoints).
Herot talks about representing sketches in a context-free structure. This reminds me of LADDER, whose Lisp-like language can probably be parsed by a simple push-down automata. Okay, that's just a fancy way of saying that HUNCH and LADDER consider the context of a sketch in very similar ways.
No comments:
Post a Comment