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DESIGN OF CODE IN AFFINE-INVARIANT SPATIAL MASK
DESIGN OF CODE IN AFFINE-INVARIANT SPATIAL MASK
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机译：仿射不变空间掩码中的代码设计
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摘要
PROBLEM TO BE SOLVED: To provide a method for generating codes for a code mask.SOLUTION: A plurality of symbols may be arranged in an n1×n2 symbol structure, where n1 and n2 are integer values. A plurality of codewords may be defined from different overlapping k1×k2 windows within the symbol structure, where co-linear and spatially overlapping windows define unique codewords 120, and the codewords are unique in a first direction of the symbol structure but are repeated in a second direction that is perpendicular to the first direction. Also provided are a plurality of the symbol structures as a code mask 104, where symbols in two adjacent k1×k2 windows are selected so as to avoid codeword aliasing of codewords in the two adjacent k1×k2 windows.SELECTED DRAWING: Figure 1
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