invert_funct_1d — ONED function op

• 資料種類:signal → pairs

• 呼叫: import fullseye as fs; fs.ledger.invert_funct_1d(y)(要直接呼叫實作,import funct1d; funct1d.invert_funct_1d(y);從台帳取用則 ops1d.get("invert_funct_1d"))

• 經台帳呼叫的回傳值: fullseye.ledger.invert_funct_1d(...) 只回傳**宣告的 out 型別 pairs 的值**(底層函式還會回傳輔助資訊)。需要被捨棄的部分時,請用 fullseye.ledger.invert_funct_1d.raw(...),或直接呼叫 funct1d.invert_funct_1d。

用法

> 該運算子的說明尚無譯文,以下照原文給出。

Swap the roles of x and y: `x = f^-1(y) (HALCON invert_funct_1d`).

Returns `{"x": y-values sorted ascending, "y": their original indices}`,

i.e. the (y, x) pairs ordered so the new abscissa is monotonic — ready for

`numpy.interp`-style lookup.

Honest limitation: this is a true inverse only when *y* is monotonic. A

non-monotonic function is multi-valued; the sort interleaves its branches

instead of resolving them (ties keep index order — numpy stable-ish

argsort). An empty input returns two empty arrays.

:param y: 1-D function (may be empty).

:returns: dict `{"x": float64 array, "y": float64 array}`.

:raises ValueError: non-1-D / NaN / Inf input.

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)

• poc_veiling_glare — py -3.11 examples/poc_veiling_glare.py

型別可銜接的下一個運算子(可接受 pairs 作為輸入)

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同類別(function)

create_funct_1d_array · create_funct_1d_pairs · smooth_funct_1d_gauss · smooth_funct_1d_mean · derivate_funct_1d · integrate_funct_1d · zero_crossings_funct_1d · local_min_max_funct_1d

*Provenance: funct1d.py — ONED 運算子登記表。本條目由 tools/opdocs.py md 自動產生(請勿手動編輯)。*

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