Tracing Versus Freehand for Evaluating Computer-Generated Drawings
, “Tracing Versus Freehand for Evaluating Computer-Generated Drawings”, ACM Transactions on Graphics, 2021. Downloads: 
tracing-vs-freehand.pdf
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tracing-vs-freehand.pdf
(read important copyright information before downloading)
Abstract:
Dataset, code, and presentation videos are available at https://zachzeyuwang.github.io/tracing-vs-freehand.