Papers › Squares that Look Round: Transforming Spherical Images
Squares that Look Round: Transforming Spherical Images
Saul Schleimer, Henry Segerman
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We propose M\"obius transformations as the natural rotation and scaling tools for editing spherical images. As an application we produce spherical Droste images. We obtain other self-similar visual effects using rational functions, elliptic functions, and Schwarz-Christoffel maps.
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