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📦 WP-052b — test(models): Table S9 seg fidelity gate

Research log · Phase 7 — Instance segmentation, v0.2.0

🔗 Depends on WP-052 · Needed by none

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WP-052b — Table S9 fidelity gate

R1 Table S9 was transcribed from the arXiv PDF (page 28) after the HTML rendering proved to truncate before section S5 — worth knowing before trusting any other appendix table read from HTML: n 2.7/9.1, s 10.4/34.2, m 23.6/121.5, l 28.0/139.8, x 62.8/313.5 (M params / B FLOPs).

The params tolerance is ±3%, wider than detection's ±2%, and the widening is argued rather than fitted: the segmentation head's sizing rests on five registered assumptions (A14, A15, A18, A34, A35) instead of published structure. s is the binding scale at +2.5% and every other lands inside ±1.5%.

FLOPs hold ±5% on all five scales under the same 2×MACs convention Table 7 needed (A29). That is corroboration of A29 rather than a second assumption — the convention was fixed on detection and predicted segmentation correctly.

Two gaps in the source worth recording: S9 states neither its FLOP convention nor whether Params denotes the full or the deployed model (E2E and non-E2E share one pair per scale), and unlike Table 7 it attributes no source.