specular_coefficient_map — SPECULAR `dichromatic` op

• 資料種類:rgbimage → image2d

• 呼叫:import specularity; specularity.specular_coefficient_map(image_rgb, illuminant_rgb=(1.0, 1.0, 1.0), body_rgb=None, max_rank_ratio=0.1, max_negative_frac=0.02)(或 opsspecular.get("specular_coefficient_map"))

用法

二色性模型中純量的界面(鏡面)係數。→ (H, W)。

> 以下的詳細說明為原文 —— 摘要與標題已翻譯。

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*).

詳細使用指南

• specular_photometric 族使用指南

參考(範例資料・文獻)

• 範例資料目錄(下載 URL / 授權) —— 2-D 用 skimage.data(BSD/公有領域)加合成圖,3-D 給出真實資料源(Stanford/PDS 等)的下載 URL。

• 運算子來歷與參考文獻 —— 該運算子族所依據的研究/方法出處。

• 演算法的正典(作者・年份)與用途見上面的族使用指南。

可執行的範例(實際呼叫該運算子並已驗證的樣例)

• specular_photometric — py -3.11 examples/specular_photometric.py

型別可銜接的下一個運算子(可接受 `image2d` 作為輸入)

polarization_render

同類別(`dichromatic`)

specular_diffuse_split · specular_free_transform · illuminant_from_dichromatic_planes

*Provenance: specularity.py — SPECULAR 運算子登記表。本條目由 tools/opdocs.py md 自動產生(請勿手動編輯)。*

specular_coefficient_map — SPECULAR dichromatic op

用法