Наука и техника
pixel[1] = pixel[1] 0.04045f ? powf((pixel[1] + 0.055f) / 1.055f, 2.4f) : pixel[1] / 12.92f;
，更多细节参见搜狗输入法2026
Isolation strength →
A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.