Properties of Real-World Digital Logic Diagrams

Authors:
Christine Alvarado;Michael Lazzareschi
Affiliations:
-;-
Venue:
PLT '07 Proceedings of the First International Workshop on Pen-Based Learning Technologies
Year:
2007

Citing 0
Cited 12

Sketch understanding systems

ACM SIGGRAPH 2007 courses
Multi-domain sketch understanding

ACM SIGGRAPH 2007 courses
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ACM SIGGRAPH 2007 courses
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Abstract

Despite the growing number of sketch recognition sys- tems for education, little attention has been paid to how stu- dents actually draw in practice. We examine freely-drawn digital logic diagrams created by students in an electrical engineering class in order to inform the design of a sketch recognition digital circuit simulation tool. Our analysis reveals considerable drawing style variation between stu- dents and that standard drawing style restrictions made by sketch recognition systems to aid recognition generally do not match the way students draw. We identify drawing be- haviors that can aid recognition while placing fewer un- natural constraints on students' drawing styles, and we de- scribe specific recognition tasks whose solutions will lead to more robust free-sketch recognition systems.