Improvements to the TCVD method to segment hand-drawn sketches

On the Elaboration of Hand-Drawn Sketches

Generation of Slides from Hand-Drawn Sketches

As engineers, we often find ourselves spending a non-trivial amount of time converting sketched diagrams and figures into digital format. A lot of research has been done in conversion of hand-drawn sketches to computer drawings. However, most of it is domain-specific with training templates which must first demonstrate the shapes the user first intends to recognize as suggested by Kara and Stah...

Algorithms for matching hand-drawn sketches

Handling Overtraced Strokes in Hand-Drawn Sketches

Overtracing is the phenomenon in sketching of repeatedly drawing over previously drawn ink. It is a naturally appearing effect and is especially frequent in domains such as architectural drawings. Existing work in sketch recognition focuses on sketches with nonovertraced strokes. In this paper, we describe a method for generating geometric approximations of overtraced strokes in terms of primit...

Clustering Hand-Drawn Sketches via Analogical Generalization

One of the major challenges to building intelligent educational software is determining what kinds of feedback to give learners. Useful feedback makes use of models of domain-specific knowledge, especially models that are commonly held by potential students. To empirically determine what these models are, student data can be clustered to reveal common misconceptions or common problem-solving st...