Applying constraints to enforce users' intentions in free-hand 2-D sketches
Intelligent Systems Engineering
Analysis of Engineering Drawings: State of the Art and Challenges
GREC '97 Selected Papers from the Second International Workshop on Graphics Recognition, Algorithms and Systems
Implicit geometric constraint detection in freehand sketches using relative shape histogram
SBIM '07 Proceedings of the 4th Eurographics workshop on Sketch-based interfaces and modeling
Line Drawing Interpretation
Combining geometry and domain knowledge to interpret hand-drawn diagrams
Computers and Graphics
Automated freehand sketch segmentation using radial basis functions
Computer-Aided Design
| Hi-index | 0.00 |
In this paper, we study the segmentation of sketched engineering drawings into a set of straight and curved segments. Our immediate objective is to produce a benchmarking method for segmentation algorithms. The criterion is to minimise the differences between what the algorithm detects and what human beings perceive. We have created a set of sketched drawings and have asked people to segment them. By analysis of the produced segmentations, we have obtained the number and locations of the segmentation points which people perceive. Evidence collected during our experiments supports useful hypotheses, for example that not all kinds of segmentation points are equally difficult to perceive. The resulting methodology can be repeated with other drawings to obtain a set of sketches and segmentation data which could be used as a benchmark for segmentation algorithms, to evaluate their capability to emulate human perception of sketches.