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圖像來源，AFP via Getty Images
。关于这个话题，safew官方版本下载提供了深入分析
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.
2.4 Leaky ReLU / Parametric ReLU（PReLU）