typed op• データ種: rgbimage → image
• 呼び出し: fullseye.apply(img, "tb_specular_coefficient_map", a=0.5, b=0.5) (2-D は 1 画像 + 2 スカラつまみ a,b∈[0,1] のモデル)
*図なし: この op は rgbimage を入力に取る。画像から始まる Studio のプログラムでは型が届かないので、下の「実行できる例」で使い方を見ること。*
The scalar interface (specular) coefficient of the dichromatic model. → (H, W).
The same decomposition as :func:specular_diffuse_split, returning the
scalar `m_s(x) instead of the coloured image m_s(x) * G`. That scalar
is what an inspection routine thresholds: it is the amount of light the
surface reflected *as a mirror does*, in the units of the input radiance,
and it is zero wherever the surface behaved as a Lambertian body.
`specular_coefficient_map(...) * illuminant_unit` equals the second return
value of :func:specular_diffuse_split exactly, by construction — the two
operators share one core.
Arguments, guards and honest limits are identical to
:func:specular_diffuse_split — including the fact that the two guards
bound gross violations only.
Raises `ValueError`: exactly the same conditions as
:func:specular_diffuse_split (invalid image, invalid illuminant,
identically zero image, body colour parallel to the illuminant, either
guard firing, fewer than 3 pixels on the uniform-body route, invalid
*body_rgb*).
Typed bridge of the specular op `specular_coefficient_map into the 2-D evolution registry: the same implementation, called under the op(v, a, b) convention. a drives max_rank_ratio (default 0.1) and b drives max_negative_frac` (default 0.02).
• 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。
• (まだありません)
image を入力に取れる)identity · gaussian · mean_box · bilateral · unsharp · median · min_filter · max_filter
typed)tb_points_to_voxel · tb_estimate_point_normals · tb_iss_keypoints · tb_angle_3points · tb_project_points · tb_render_point_depth · tb_statistical_outlier_removal · tb_radius_outlier_removal
*Provenance: ops.py — 2D 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.