Table 5 Key symbols and operations
Symbol | Meaning |
|---|---|
\(F\in {{\mathbb{R}}}^{H\times W\times C}\) | Decoder feature map at a given scale |
S ∈ [0, 1]H×W×1 | BSM salience/boundary probability map |
\({Z}^{(S)}\in {{\mathbb{R}}}^{H\times W\times 2}\) | Student two-class logits; \(\widehat{Y}={\rm{softmax}}({Z}^{(S)})\) |
YSAM | Pseudo-mask from SAM (binary); B( â‹… ) gives its thin boundary |
ψ( ⋅ ) | 1 × 1 projection for channel alignment |
Dilate/Erode | Morphological operators with a 3 × 3 square structuring element |
Thin( â‹… ) | Morphological thinning to unit-pixel width |
⊙ | Hadamard product |
