Unverified50% confidenceFactExact time
The residual block formula is y = x + F(x); during backpropagation, the gradient passes through the "1" in (1 + dF/dx), providing a shortcut for gradients to flow directly to earlier layers.
1
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50%
Confidence
Long-term
Relevance
8/22/2026
First Seen
Sources
ResNet残差连接为何有效？深层网络退化问题实验复现
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