When a maximum color difference ΔE_max before optimization is larger than a threshold Th like K ink, a grid point is basically optimized so that an interval between grid points may be narrowed. Kインクのように最適化前の最大色差ΔE_maxの方が閾値Thよりも大きい場合、基本的に格子点の間隔を狭めるように格子点が最適化する。 - 特許庁
On the other hand, when the maximum color difference ΔE_max before optimization is smaller than the threshold Th like lc ink, the grid point is basically optimized so that the interval between the grid points may be widened. 一方、lcインクのように最適化前の最大色差ΔE_maxの方が閾値Thよりも小さい場合、基本的に格子点の間隔を広げるように格子点が最適化する。 - 特許庁
Namely, optimization is performed so that as the ink has a larger original color difference ΔE, a density of grid points becomes higher at a smaller ink amount side, and as the ink has a smaller original color difference ΔE, the density of the grid point becomes higher at a larger ink amount side. すなわち、もとの色差ΔEが大きいインクほど少インク量側に格子点の密度が高くなり、もとの色差ΔEが小さいインクほど多インク量側に格子点の密度が高くなるように最適化を行う。 - 特許庁