tid2013_metric_values — IMGMETRICS iqa op

• Data kinds: any × any → any

• Call: import fullseye as fs; fs.ledger.tid2013_metric_values(root, metric: 'str') -> 'np.ndarray' (to call the implementation directly, import iqatid; iqatid.tid2013_metric_values(root, metric: 'str') -> 'np.ndarray'; from the registry, opsimgmetrics.get("tid2013_metric_values"))

Usage

Returns the authors' computed values metrics_values/<metric>.txt (case-insensitive, 3000 lines, no names) as a (3000,) float. The line order is the same as names of tid2013_index. metric is a key of tid2013_published (psnr / psnrc / ssim / mssim …). Raises ValueError: file missing, line count ≠ 3000, non-numeric.

Detailed usage guide

• image_difference_metrics family guide

References (sample data, literature)

• 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.

Runnable examples (verified samples that actually call this op)

• poc_iqa_fsim_gmsd_vif — py -3.11 examples/poc_iqa_fsim_gmsd_vif.py

• poc_iqa_tid2013 — py -3.11 examples/poc_iqa_tid2013.py

Ops the type connects to (they accept any as input)

rgb_to_lab · lab_to_rgb · rgb_to_xyz · xyz_to_lab · delta_e_2000 · delta_e_76 · delta_e_map · mse

Same category (iqa)

luma_limited_u8 · rank_data · rank_spearman · rank_kendall_b · tid2013_published · tid2013_root · tid2013_index · tid2013_evaluate

*Provenance: iqatid.py — IMGMETRICS 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.