Anisotropic Lp Poisson Disk Sampling for NPR Image with Adaptively Shaped Pieces

Tao WANG  Zhongying HU  Kiichi URAHAMA  

IEICE TRANSACTIONS on Information and Systems   Vol.E96-D   No.6   pp.1406-1409
Publication Date: 2013/06/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E96.D.1406
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Computer Graphics
non-photorealistic rendering,  poisson disk sampling,  anisotropic distance,  stippling images,  paper mosaics,  

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A non-photorealistic rendering technique is presented for generating images such as stippling images and paper mosaic images with various shapes of paper pieces. Paper pieces are spatially arranged by using an anisotropic Lp poisson disk sampling. The shape of paper pieces is adaptively varied by changing the value of p. We demonstrate with experiments that edges and details in an input image are preserved by the pieces according to the anisotropy of their shape.