tb_lf_subaperture — 2D typed op

• 数据种类:lightfield → image

• 调用:fullseye.apply(img, "tb_lf_subaperture", a=0.5, b=0.5)(2-D 的模型是一张图 + 两个标量旋钮 a,b∈[0,1])

用法

一个子孔径视图——透过瞳孔上一个点所看到的图像。

> 以下的详细说明为原文 —— 摘要与标题已翻译。

Returns a copy of `L[v, u] as a plain (H, W)` 2-D image, so every

other fullseye image operator applies to it unchanged. Indices are

not wrapped: a negative or out-of-range index is a `ValueError`, not a

silent Python wrap-around to the opposite corner of the pupil (which is the

single easiest way to get a mirrored disparity sign downstream).

Raises `ValueError`: *lf* not a valid light field, and *v* / *u* not

an int in `[0, V) / [0, U)`.

Typed bridge of the lightfield op `lf_subaperture into the 2-D evolution registry: the same implementation, called under the op(v, a, b) convention. This op has no tunable parameter; a and b` are unused.

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。

可运行的示例(实际调用该算子并已验证的样例)

• (暂无)

类型可衔接的下一个算子(可接受 image 作为输入)

identity · gaussian · mean_box · bilateral · unsharp · median · min_filter · max_filter

同类别(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 算子登记表。本条目由 tools/opdocs.py md 自动生成(请勿手工编辑)。*

© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.