{"type":"ScholarlyArticle","title":"Visual Routines and Visual Search: A Real-Time Implementation and an Automata-Theoretic Analysis","authors":[{"name":"Ian Horswill","slug":"ian-horswill","given":"Ian","family":"Horswill","affiliation":""}],"abstract":"I describe a real- time implementation of Ullman's visual routine processor (VRP) theory of intermediate vision for visual search. The system performs serial self- terminating visual search and computes 2D spatial relations of objects from live color video using low cost hardware. I present a formal model of a VRP with unbounded resources and quantify the amount of external control structure required to solve Horn clauses using the VRP. In discussing the effect of resource limitations I show that contemporary models of biological visual attention are unable to solve surprisingly simple queries. I also describe a novel logic programming system that finds satisfying variable assignments for Horn clause queries using the VRP. The system contains no internal database: all logic variables are directly grounded in the world using VRP queries. Finally, I briefly discuss experiments with natural language interpretation and motor control using the VRP. Experiments on real data are given.","doi":null,"url":"https://ijcai.org/proceedings/1995/8","pdf":"https://ijcai.org/proceedings/1995/0008.pdf","markdown":"https://ijcai.org/proceedings/1995/8.md","bibtex":"https://ijcai.org/proceedings/1995/bibtex/8","volume":{"slug":"1995","title":"Proceedings of the Fourteenth International Joint Conference on Artificial Intelligence","short_title":"IJCAI 1995","url":"https://ijcai.org/proceedings/1995/","year":1995,"location":"Montréal, Québec, Canada","dates":"","editors":"Chris S. Mellish","isbn":"","publisher":"International Joint Conferences on Artificial Intelligence","doi_prefix":""},"section":"Action and Perception","track":"Action and Perception","number":8,"pages":{"first":56,"last":62},"keywords":[],"videos":[],"references":[],"license_note":"Copyright International Joint Conferences on Artificial Intelligence."}