raw_dead_pixel_mask — GFX2D isp op

• 資料種類:image2d → image2d

• 呼叫: import fullseye as fs; fs.ledger.raw_dead_pixel_mask(raw, threshold=0.1)(要直接呼叫實作,import gfx2d; gfx2d.raw_dead_pixel_mask(raw, threshold=0.1);從台帳取用則 opsgfx2d.get("raw_dead_pixel_mask"))

用法

壞點圖:與全部 8 個同色鄰域朝同一方向偏離超過閾值的像素。

> 以下的詳細說明為原文 —— 摘要與標題已翻譯。

"Every neighbour, same sign" is what separates a defect from an edge: at an

edge some same-colour neighbours are on the pixel's own side. The rule is

the one openISP documents for its DPC stage; here it is pattern-free

because same-colour neighbours are simply the pixels two steps away.

Ground truth: dead pixels planted in a smooth frame are recovered exactly

(no misses, no false alarms) while a hard edge produces none.

Raises `ValueError: bad *raw* or a *threshold* outside (0, 1]`.

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)

• raw_to_display_isp — py -3.11 examples/raw_to_display_isp.py

型別可銜接的下一個運算子(可接受 image2d 作為輸入)

shadow_cast_2d · dither · raw_black_level · raw_dead_pixel_correct · lens_shading_gain · lens_shading_correct · raw_apply_gains · raw_demosaic_bilinear

同類別(isp)

raw_black_level · raw_dead_pixel_correct · lens_shading_gain · lens_shading_correct · awb_gains · rgb_apply_gains · raw_apply_gains · raw_demosaic_bilinear

*Provenance: gfx2d.py — GFX2D 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.