views op• データ種: lightfield → image2d
• 呼び出し: import fullseye as fs; fs.ledger.lf_epi(lf, axis='u', index=0, view=None) (実装を直接呼ぶなら import lightfield; lightfield.lf_epi(lf, axis='u', index=0, view=None)、台帳から引くなら opslightfield.get("lf_epi"))
Epipolar-plane image — the slice whose line slope is the disparity.
An EPI is what makes a light field different from a pile of photographs: fix one image row and one angular row, and every scene point traces a *straight line* whose gradient dx/du is exactly its slope s. Occlusion becomes one line crossing in front of another, which is why EPI methods handle it better than window matching.
• axis="u" (horizontal): fix v = view (default: the centre row, (V-1)//2) and image row y = index; returns E[u, x] of shape (U, W).
• axis="v" (vertical): fix u = view and image column x = index; returns E[v, y] of shape (V, H).
Raises ValueError: *lf* not a valid light field, unknown *axis*, *index* outside the spatial extent, *view* outside the angular extent.
• サンプルデータ カタログ(DL URL / ライセンス) — 2-D は skimage.data(BSD/public)+ 合成、3-D は実データ源(Stanford/PDS 等)の DL URL。
• 演算子の来歴・参考文献 — この op 族の元になった研究/手法の出典。
• アルゴリズムの正典(著者・年)と用途は上記ファミリ使い方ガイドに記載。
• lightfield_depth — py -3.11 examples/lightfield_depth.py
• poc_lightfield_depth — py -3.11 examples/poc_lightfield_depth.py
image2d を入力に取れる)lf_from_mla · lf_disparity_to_depth · lf_all_in_focus
views)lf_subaperture · lf_center_view · lf_views
*Provenance: lightfield.py — LIGHTFIELD operator registry. この per-op ノートは tools/opdocs.py md が自動生成(手編集しない)。*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.