Per-render QC certificate
White-Background Standardizer
This certificate reports the measured quality of one specific shoe render — its own numbers, not a set average.
QC certificate
White-Background Standardizer
wbs-049
Background compliance
target ≥ 95% PDP pass
95.1%
pass
n=1 ·
BiRefNet_lite (transformers 4.52.4) + numpy 2.4.6 ·
pipeline v3.0 · set shoes-v3 ·
measured 2026-06-13
Color fidelity (ΔE 2000)
target ≤ 2.0 ΔE (imperceptible)
0.61 ΔE
pass
n=1 ·
BiRefNet_lite (transformers 4.52.4) + colour-science 0.4.7 ·
pipeline v3.0 · set shoes-v3 ·
measured 2026-06-13
Frame occupancy
target ≥ 85% of frame (Amazon spec)
79.8%
below target
n=1 ·
BiRefNet_lite (transformers 4.52.4) + numpy 2.4.6 ·
pipeline v3.0 · set shoes-v3 ·
measured 2026-06-13
Silhouette preservation
target ≥ 0.90 shape IoU
0.989 IoU
pass
n=1 ·
BiRefNet_lite (transformers 4.52.4) + numpy 2.4.6 ·
pipeline v3.0 · set shoes-v3 ·
measured 2026-06-13
Perceptual drift (LPIPS)
target threshold pending calibration
0.102
n=1 ·
piq.LPIPS (mask-aligned crop) 0.8.0 ·
pipeline v3.0 · set shoes-v3 ·
measured 2026-06-13