paper op• Data kinds: image2d → image2d
• Call: import annotate; annotate.annotate_panel_label(img, letter='a', corner='lt', margin=8, style='paren', font_size=16, color='neutral', box_alpha=0.72, text_color=None, box_color=None, scheme='okabe_ito', font_path=None) (or opsannotate.get("annotate_panel_label"))
Returns an image (image2d): a panel letter `(a)/(b)` placed in a corner.
> The detailed description below is the original text — the summary and the headings are translated.
`letter は 1 文字('a')か 0 始まりの番号(0 → a)。style` で
`(a) / a) / a / A` を選ぶ。
Raises
------
ValueError
未知の corner / style、文字が画像に収まらない。
• figure_annotation family guide
• dataset_conventions — 学習データセット規約の知識 — COCO / YOLO / VOC と外観検査での落とし穴
• Sample-data catalog (download URLs / licences) — 2-D uses skimage.data (BSD/public domain) plus synthetic images; 3-D lists download URLs for real data sources (Stanford, PDS, …).
• Operator provenance and references — the sources of the research/methods this op family came from.
• The canonical algorithm (author, year) and its uses are named in the family usage guide above.
• (none yet)
image2d as input)text_box · arrow · leader_line · label_points · crosshair · legend_box · color_bar · scale_bar
paper)annotate_leader_layout · annotate_leader · annotate_markers · annotate_legend · annotate_dimension_layout · annotate_dimension · annotate_angle_layout · annotate_angle
*Provenance: annotate.py — ANNOTATE operator registry. This per-op note is generated by tools/opdocs.py md (do not hand-edit).*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.