Where to draw the line?

Heping Sheng, John Wilder and Dirk B Walther

PLOS ONE, 2021, vol. 16, issue 11, 1-16

Abstract: We often take people’s ability to understand and produce line drawings for granted. But where should we draw lines, and why? We address psychological principles that underlie efficient representations of complex information in line drawings. First, 58 participants with varying degree of artistic experience produced multiple drawings of a small set of scenes by tracing contours on a digital tablet. Second, 37 independent observers ranked the drawings by how representative they are of the original photograph. Matching contours between drawings of the same scene revealed that the most consistently drawn contours tend to be drawn earlier. We generated half-images with the most- versus least-consistently drawn contours and asked 25 observers categorize the quickly presented scenes. Observers performed significantly better for the most compared to the least consistent half-images. The most consistently drawn contours were more likely to depict occlusion boundaries, whereas the least consistently drawn contours frequently depicted surface normals.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0258376

DOI: 10.1371/journal.pone.0258376

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