background opvideo → videoimport fullseye as fs; fs.ledger.running_gaussian_foreground(video, alpha: 'float' = 0.02, k: 'float' = 2.5, var_init: 'float' = 0.01, selective: 'bool' = True) -> 'np.ndarray' (実装を直接呼ぶなら import videostream; videostream.running_gaussian_foreground(video, alpha: 'float' = 0.02, k: 'float' = 2.5, var_init: 'float' = 0.01, selective: 'bool' = True) -> 'np.ndarray'、台帳から引くなら opsvideostream.get("running_gaussian_foreground"))Adaptive single-Gaussian foreground masks per frame → 0/1 (T, H, W) (video).
Per-pixel mean/variance background (Wren Pfinder); foreground is
> k standard deviations from the mean. The first frame is all background.
py -3.11 examples/video_streaming.pyvideo を入力に取れる)temporal_median_window · moving_average_window · background_subtraction_window · frame_difference_causal · exponential_background · exponential_foreground · running_mean_std · optical_flow_magnitude_stream
background)Provenance: videostream.py — VIDEOSTREAM operator registry. この per-op ノートは tools/opdocs.py md が自動生成(手編集しない)。
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.