Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
（一）组织、胁迫、诱骗不满十六周岁的人或者残疾人进行恐怖、残忍表演的；
。夫子对此有专业解读
If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :
结语：从"淘金热"到"炼金术"AI产业链正在经历一场深刻的转型，从喧嚣的“淘金热”转向务实的“炼金术”：早期的混乱与暴富，属于“卖铲子的”硬件企业和“讲故事的”初创公司，但长期的超额收益，终将属于那些能把AI技术转化为真金白银、实现可持续盈利的企业。