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CVGIP: Graphical Models and Image Processing
Thinning algorithms on rectangular, hexagonal, and triangular arrays
Communications of the ACM
Tile rewriting grammars and picture languages
Theoretical Computer Science - The art of theory
Picture languages: tiling systems versus tile rewriting grammars
Theoretical Computer Science - In honour of Professor Christian Choffrut on the occasion of his 60th birthday
Analytical Honeycomb Geometry for Raster and Volume Graphics
The Computer Journal
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DLT'03 Proceedings of the 7th international conference on Developments in language theory
IWCIA'04 Proceedings of the 10th international conference on Combinatorial Image Analysis
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Tile rewriting grammars are a new model for defining picture languages. In this paper we propose hexagonal tile rewriting grammars (HTRG) for generating hexagonal picture languages. Closure properties of HTRG are proved for some basic operations. We compare HTRG with hexagonal tiling systems.