evaluate op• Data kinds: points → table
• Call: import fullseye as fs; fs.ledger.sphere_probing_error(points, calibrated_diameter, exclude_fraction=0.003) (to call the implementation directly, import acceptance3d; acceptance3d.sphere_probing_error(points, calibrated_diameter, exclude_fraction=0.003); from the registry, opsacceptance.get("sphere_probing_error"))
• GPU: none (CPU reference implementation only)
Computes the probing errors of form PF and size PS from the point cloud of a sphere (table).
> The detailed description below is the original text — the summary and the headings are translated.
Probing error of form (PF) and of size (PS) from the point cloud of one calibrated sphere.
ガウスの最小二乗で半径自由の球を当て(代数解を初期値に Gauss-Newton)、半径方向の偏差が最大の点を floor(exclude_fraction · N) 個まで除いて当て直す。pf = R_max − R_min(除外後の点の、当てた中心からの距離の範囲)、ps = 2R − calibrated_diameter(符号つき: 大きく測れば正)。A free-radius least-squares sphere is fitted, at most floor(exclude_fraction*N) points with the largest radial deviation are dropped and the sphere refitted; pf is the range of radial distances, ps the signed diameter error. Definitions as described in Carfagni et al. 2019 (doi:10.3390/s19030489) for VDI/VDE 2634 Part 2 — the normative text is not reproduced; this is not a conformance claim.
返す dict: pf、ps、diameter、radius、center (3,)、residual_rms、n_points、n_used、n_excluded、exclude_fraction、calibrated_diameter。単位は入力の点の単位のまま。
限界: 球冠しか見えない点群(片側から撮った球)では半径と中心が相関し、PS は雑音に敏感になる(見えている角度が小さいほど)。residual_rms が雑音の目安。
Raises ValueError: 点が (N, 3) でない・10 点未満・非有限、同一平面上(球が定まらない)、calibrated_diameter が正でない、exclude_fraction が [0, 0.05] の外。
• optical_3d_acceptance family guide
• Sample-data catalog (download URLs / licences) — 2-D uses skimage.data (BSD/public domain) plus synthetic images; 3-D lists download URLs for real data sources (Stanford, PDS, …).
• Operator provenance and references — the sources of the research/methods this op family came from.
• The canonical algorithm (author, year) and its uses are named in the family usage guide above.
• poc_3d_sensor_modalities — py -3.11 examples/poc_3d_sensor_modalities.py
table as input)acceptance_verdict · acceptance_scan · virtual_acceptance_test · acceptance_error_budget
evaluate)sphere_spacing_error · plane_flatness_error · acceptance_verdict
*Provenance: acceptance3d.py — ACCEPTANCE operator registry. This per-op note is generated by tools/opdocs.py md (do not hand-edit).*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.