数字半色调中的广义半像方
Generalized Semimagic Squares for Digital Halftoning
摘要:
完成Aronov et al.的关于用于数字半色调的零差异矩阵的研究,我们确定所有(m,n,k,l),对于这些(m,n,k,l),可以将mn个连续整数放在m × n板(具有环绕)上,使得每个k × l区域保持相同的和。对于其中一种不可能的情况,我们给出了一种探试法来寻找具有小偏差的矩阵。
英文摘要:
Completing Aronov et al.'s study on zero-discrepancy matrices for digital halftoning, we determine all (m, n, k, l) for which it is possible to put mn consecutive integers on an m-by-n board (with wrap-around) so that each k-by-l region holds the same sum. For one of the cases where this is impossible, we give a heuristic method to find a matrix with small discrepancy.
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