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Title
Vertex Guards in a Subclass of Orthogonal Polygons
Author
Ana Mafalda Martins, Ant?nio Leslie Bajuelos
Vol. 6 No. 9 pp. 102-108
Keywords
Computational Geometry, Art Gallery Problem and Theorem, Orthogonal polygons, Spiral polygons
Watermark Embedded in Polygonal Line for Copyright Protection of Contour Map
Xu Zhou, Yu Ren, Xuezeng Pan
Vol. 6 No. 7 pp. 202-205
Digital watermark, Contour map, Polygonal line, Parameterized circle, Hypothesis test