techdeep-diveMIT 6.7960 Deep Learning 導讀2026年8月30日正則化實戰——Weight Decay、Dropout、Batch Norm 與標籤平滑｜MIT 6.7960 主題單元正則化不只是防過擬合——Weight Decay、Dropout、BN、Label Smoothing 的機制與組合策略一次看懂#mit-67960#deep-learning#pytorch#regularization#weight-decay#dropout#batch-norm#label-smoothing