How to Draw Three People in a Botanical Garden
نویسنده
چکیده
AARON is a program designed to investigate the cognitive principles underlying visual representation. Under continuous development for fifteen years, it is now able autonomously to make “freehand” drawings of people in garden-like settings. This has required a complex interplay between two bodies of knowledge: objectspecific knowledge of how people are constructed and how they move, together with morphological knowledge of plant growth: and procedural knowledge of representational strategy. AARON’s development through the events leading up to this recently-implemented knowledgebased form is discussed as an example of an “expert’s system” as opposed to an “expert system.” AARON demonstrates that, given appropriate interaction between domain knowledge and knowledge of representational strategy, relatively rich representations may ’ result from sparse information. Figure 1: AARON drawing, 1987 846 Invited Talks From: AAAI-88 Proceedings. Copyright ©1988, AAAI (www.aaai.org). All rights reserved. Brother Giorgio is a 12th Century scholar-monk whose task it is to record what is known of the world’s geography, and hc is currently making a map of Australia, an island just off the coast of India. Since an essential part of map-making involves representing the animals of the country, he is making a drawing of a kangaroo. Now Brother Giorgio has never seen a kangaroo. But he understands from what he has been told that the kangaroo is a large rat-like creature with a pouch, and with an exceptionally thick tail. And he draws it accordingly (figure
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