specular_coefficient_map — SPECULAR `dichromatic` op

• 数据种类:rgbimage → image2d

• 调用: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

二色性模型中标量的界面(镜面)系数。→ (H, W)。

> 以下的详细说明为原文 —— 摘要与标题已翻译。

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*).

详细使用指南

• specular_photometric 族使用指南

参考(示例数据・文献)

• 示例数据目录(下载 URL / 许可证) —— 2-D 用 skimage.data(BSD/公有领域)加合成图,3-D 给出真实数据源(Stanford/PDS 等)的下载 URL。

• 算子来历与参考文献 —— 该算子族所依据的研究/方法出处。

• 算法的正典(作者・年份)与用途见上面的族使用指南。

可运行的示例(实际调用该算子并已验证的样例)

• specular_photometric — py -3.11 examples/specular_photometric.py

类型可衔接的下一个算子(可接受 `image2d` 作为输入)

polarization_render

同类别(`dichromatic`)

specular_diffuse_split · specular_free_transform · illuminant_from_dichromatic_planes

*Provenance: specularity.py — SPECULAR 算子登记表。本条目由 tools/opdocs.py md 自动生成(请勿手工编辑)。*

specular_coefficient_map — SPECULAR dichromatic op

用法