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Technical Papers

Sketching & Writing

Wednesday, 27 July, 3:45 pm - 5:35 pm, Anaheim Convention Center, Ballroom E
Session Chair: Karan Singh, University of Toronto

The Sketchy Database: Learning to Retrieve Badly Drawn Bunnies

The Sketchy Database is the first large-scale collection of sketch-photo pairs. Crowd workers sketch 12,500 objects from 125 categories and generate 74,425 sketches. The system trains cross-domain CNNs to embed sketches and photographs, which leads to state-of-the-art sketch-based image retrieval.

Patsorn Sangkloy
Georgia Institute of Technology

Nate Burnell
Brown University

Cusuh Ham
Georgia Institute of Technology

James Hays
Georgia Institute of Technology

Fidelity vs. Simplicity: a Global Approach to Line-Drawing Vectorization

The first line drawing vectorization algorithm that explicitly balances fidelity to the input bitmap with simplicity of the output curves. The global optimization generates few yet accurate curves and disambiguates curve topology at junctions by favoring the simplest interpretations overall.

Jean-Dominique Favreau
INRIA Sophia Antipolis

Florent Lafarge
INRIA Sophia Antipolis

Adrien Bousseau
INRIA Sophia Antipolis

Learning to Simplify: Fully Convolutional Networks for Rough Sketch Cleanup

A novel technique for fully automatic simplification of sketch drawings. By learning a series of convolution operators from a dataset of rough and simplified-sketch drawing pairs, this method overcomes the limitation of existing methods that require vector inputs. It outperforms existing approaches in a user study.

Edgar Simo-Serra
Waseda University

Satoshi Iizuka
Waseda University

Kazuma Sasaki
Waseda University

Hiroshi Ishikawa
Waseda University

Legible Compact Calligrams

Introducing a fully automatic method for generation of legible compact calligrams that provides a balance among conveying the input shape, legibility, and aesthetics.

Changqing Zou
Hengyang Normal University, Simon Fraser University

Junjie Cao
Dalian University of Technology, Simon Fraser University

Warunika Ranaweera
Simon Fraser University

Ibraheem Alhashim
Simon Fraser University

Ping Tan
Simon Fraser University

Alla Sheffer
The University of British Columbia

Hao Zhang
Simon Fraser University

My Text in Your Handwriting

This texture-synthesis method for generating believable handwriting replicates the style of a specific author. In user studies, it is capable of fooling casual observers, and it works on historical figures.

Tom Haines
University College London

Oisin Mac Aodha
University College London

Gabriel Brostow
University College London