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DrawFromDrawings: 2D Drawing Assistance via Stroke Interpolation with a Sketch Database.

Yusuke Matsui, Takaaki Shiratori, Kiyoharu Aizawa

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    DrawFromDrawings assists 2D drawing with visual feedback from a sketch database. This system offers novel stroke suggestions and deformations, enhancing artistic creation and speeding up composition.

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    Area of Science:

    • Computer Graphics
    • Human-Computer Interaction
    • Digital Art

    Background:

    • Traditional art education relies on imitation and emulation.
    • Digital drawing tools often lack intuitive guidance for complex stroke creation.
    • Interactive systems can bridge the gap between user input and desired artistic output.

    Purpose of the Study:

    • To introduce DrawFromDrawings, an interactive system for 2D drawing assistance.
    • To enable users to leverage a database of sketch images for feedback.
    • To explore novel stroke generation and feedback mechanisms in digital art creation.

    Main Methods:

    • Utilizing a database of sketch images for user reference.
    • Detecting as-long-as-possible (ALAP) stroke segments and correspondences between user and reference sketches.
    • Implementing stroke-level interpolation by parameterizing user, reference, and warped reference strokes based on region of interest (ROI) shapes.
    • Offering two feedback modes: suggestive (overlay) and deformation (replacement).

    Main Results:

    • User studies confirmed that stroke interpolation can generate diverse strokes with varying shapes and complexity.
    • Suggestive feedback facilitated idea development while preserving the user's stroke style.
    • Deformation feedback accelerated the completion of sketch compositions.

    Conclusions:

    • DrawFromDrawings provides effective visual feedback for 2D drawing assistance.
    • The system's interpolation and feedback mechanisms support both creative exploration and efficient sketching.
    • Interactive drawing systems can significantly enhance the digital art creation process.