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[QWH+06]  Manga Colorization

Qu:2006:MC (Article)
Author(s)Qu Y., Wong T.T. and Heng P.A.
Title« Manga Colorization »
JournalACM Transactions on Graphics, Proceedings of ACM SIGGRAPH 2006 (Boston, MA, July 30--August 3, 2006)
Volume25
Number3
Page(s)1214--1220
Year2006

Abstract
This paper proposes a novel colorization technique that propagates color over regions exhibiting pattern-continuity as well as intensity-continuity. The proposed method works effectively on colorizing black-and-white manga which contains intensive amount of strokes, hatching, halftoning and screening. Such fine details and discontinuities in intensity introduce many difficulties to intensity-based colorization methods. Once the user scribbles on the drawing, a local, statistical based pattern feature obtained with Gabor wavelet filters is applied to measure the pattern-continuity. The boundary is then propagated by the level set method that monitors the pattern-continuity. Regions with open boundaries or multiple disjointed regions with similar patterns can be sensibly segmented by a single scribble. With the segmented regions, various colorization techniques can be applied to replace colors, colorize with stroke preservation, or even convert pattern to shading. Several results are shown to demonstrate the effectiveness and convenience of the proposed method.

BibTeX code
@article{Qu:2006:MC,
  optpostscript = {},
  number = {3},
  month = jul,
  author = {Yingge Qu and Tien-Tsin Wong and Pheng-Ann Heng},
  optkey = {},
  optannote = {},
  localfile = {papers/Qu.2006.MC.pdf},
  optkeywords = {},
  doi = {http://doi.acm.org/10.1145/1141911.1142017},
  optciteseer = {},
  journal = SIGGRAPH2006,
  opturl = {},
  volume = {25},
  optwww = {},
  title = {{M}anga {C}olorization},
  abstract = {This paper proposes a novel colorization technique that propagates
              color over regions exhibiting pattern-continuity as well as
              intensity-continuity. The proposed method works effectively on
              colorizing black-and-white manga which contains intensive amount
              of strokes, hatching, halftoning and screening. Such fine details
              and discontinuities in intensity introduce many difficulties to
              intensity-based colorization methods. Once the user scribbles on
              the drawing, a local, statistical based pattern feature obtained
              with Gabor wavelet filters is applied to measure the
              pattern-continuity. The boundary is then propagated by the level
              set method that monitors the pattern-continuity. Regions with open
              boundaries or multiple disjointed regions with similar patterns
              can be sensibly segmented by a single scribble. With the segmented
              regions, various colorization techniques can be applied to replace
              colors, colorize with stroke preservation, or even convert pattern
              to shading. Several results are shown to demonstrate the
              effectiveness and convenience of the proposed method.},
  pages = {1214--1220},
  year = {2006},
}

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