2019
DOI: 10.1007/s11042-019-7311-3
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A complete hand-drawn sketch vectorization framework

Abstract: Vectorizing hand-drawn sketches is a challenging task, which is of paramount importance for creating CAD vectorized versions for the fashion and creative workflows. This paper proposes a complete framework that automatically transforms noisy and complex hand-drawn sketches with different stroke types in a precise, reliable and highly-simplified vectorized model.The proposed framework includes a novel line extraction algorithm based on a multi-resolution application of Pearson's cross correlation and a new unbi… Show more

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Cited by 21 publications
(18 citation statements)
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“…Numerous later works have been proposed following this same basic cluster-and-replace framework for vector graphics [Liu et al 2018[Liu et al , 2015Ogawa et al 2016;Orbay and Kara 2011;Shesh and Chen 2008]. Another line of work simultaneously vectorizes and simplifies a raster image of a sketch [Bessmeltsev and Solomon 2019;Donati et al 2019;Favreau et al 2016;Kim et al 2018;Noris et al 2013;Parakkat et al 2018]. This is a more challenging problem, as parametric data is unavailable for the input curves.…”
Section: Related Workmentioning
confidence: 99%
“…Numerous later works have been proposed following this same basic cluster-and-replace framework for vector graphics [Liu et al 2018[Liu et al , 2015Ogawa et al 2016;Orbay and Kara 2011;Shesh and Chen 2008]. Another line of work simultaneously vectorizes and simplifies a raster image of a sketch [Bessmeltsev and Solomon 2019;Donati et al 2019;Favreau et al 2016;Kim et al 2018;Noris et al 2013;Parakkat et al 2018]. This is a more challenging problem, as parametric data is unavailable for the input curves.…”
Section: Related Workmentioning
confidence: 99%
“…Vectorization algorithms for clean line drawings typically rely on 1-skeleton or raw image gradient to extract curve directions, endpoints, junctions, and connectivity [Bo et al 2016;Donati et al 2017Donati et al , 2019Najgebauer and Scherer 2019;Noris et al 2013]. Noris et al [2013] vectorize clean digital line drawings via a global approach to topology.…”
Section: Input Bitmapmentioning
confidence: 99%
“…Moreover, the handwriting pressure was divided into 4 levels, and the pressure level corresponding to a randomly selected frame was obtained using the constructed rounding function and normalized to satisfy the requirement of initial simplification. Donati et al [32] created a "simulated" dataset called an inverse dataset. The strokes pressure in this dataset was applied to the start and end portions of each trait (first-last VOLUME 9, 2021 10%), which was lower to satisfy the requirement of real traits and data lightweight.…”
Section: ) Simplify Trajectory Using Pressure Informationmentioning
confidence: 99%