Struct FpnNeck

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pub struct FpnNeck { /* private fields */ }

Expand description

Feature Pyramid Network lateral + top-down pathway (inference-mode, NHWC).

Reduces each backbone level to out_channels via 1x1 conv, then top-down merges with 2x nearest-neighbor upsample + element-wise add + 3x3 smoothing.

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impl FpnNeck

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pub fn new( in_channels: &[usize], out_channels: usize, ) -> Result<Self, ModelError>

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pub fn forward(&self, features: &[Tensor]) -> Result<Vec<Tensor>, ModelError>

Forward: features is a list of backbone feature maps from finest to coarsest. Returns FPN outputs at the same spatial resolutions.

Auto Trait Implementations§

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impl UnwindSafe for FpnNeck

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