Proceedings

A Visual Approach to Sketched Symbol Recognition

Tom Y. Ouyang, Randall Davis

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Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence. Pages 1463-1467.

Abstract

There is increasing interest in building systems that can automatically interpret hand-drawn sketches. However, many challenges remain in terms of recognition accuracy, robustness to different drawing styles, and ability to generalize across multiple domains. To address these challenges, we propose a new approach to sketched symbol recognition that focuses on the visual appearance of the symbols. This allows us to better handle the range of visual and stroke-level variations found in freehand drawings. We also present a new symbol classifier that is computationally efficient and invariant to rotation and local deformations. We show that our method exceeds state-of-the-art performance on all three domains we evaluated, including handwritten digits, PowerPoint shapes, and electrical circuit symbols.Tom Y. Ouyang, Randall Davis

Tom Y. Ouyang, and Randall Davis. 2009. A Visual Approach to Sketched Symbol Recognition. In Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence, IJCAI-09. IJCAI, 1463–1467. https://ijcai.org/proceedings/2009/245
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