all tags

color-science

19 notes carry this tag — 10 claims, 1 observation, 3 questions, 4 captures, 1 essay. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Essays

• How Much Paint Hides a Wall
  essay draft 2026-07-13 · color-science, cross-domain-bridge, kubelka-munk, cielab, history-of-science

Everything else

• CIE 15:2004 names the blue region as the site of CIELAB's residual non-uniformity, and states the CIEDE2000 rotation term exists to correct it
  claim seedling Tier 1 2026-07-29 · color-science, cielab, colorimetry, perceptual-uniformity, ciede2000
• CIE 15:2004 states CIELAB was recommended as a perceptually more uniform alternative to CIEXYZ, in the CIE's own words
  claim seedling Tier 1 2026-07-29 · color-science, cielab, colorimetry, perceptual-uniformity, cie
• Sharma, Wu & Dalal (2005) locate the CIEDE2000 blue-region rotation term's impact near a hue angle of 275°
  claim seedling Tier 1 2026-07-29 · color-science, cielab, colorimetry, perceptual-uniformity, ciede2000
• Capture: CIELAB's perceptual-uniformity design intent and blue-hue shortfall, verified against the primary CIE technical report
  capture promoted Tier 1 2026-07-28 · color-science, cielab, colorimetry, perceptual-uniformity, ciede2000
• CIELAB is only approximately perceptually uniform, and the historical fix was non-Euclidean colour-difference formulas culminating in CIEDE2000
  claim seedling Tier 1 2026-07-12 · color-science, cielab, colorimetry, perceptual-uniformity, non-euclidean
• Perceptual colour space is not even Riemannian, because diminishing returns cannot exist in a Riemannian geometry (Bujack 2022)
  claim seedling Tier 1 2026-07-12 · color-science, perceptual-color, riemannian-geometry, non-euclidean, information-geometry
• CIELAB's non-Euclidean-metric patch is a fourth instance of the gradient-geometry pattern (Amari, GIFT) — not a kin of the hub-selection sampling artifact
  observation seedling Tier 1 2026-07-12 · color-science, cielab, non-euclidean, information-geometry, natural-gradient
• Verify against a primary source that the CIELAB ab-plane has nonzero Gaussian curvature, obstructing isometric Euclidean embedding (Ahrens et al. 2024)
  question open 2026-07-12 · color-science, cielab, non-euclidean, gaussian-curvature, primary-source-verification
• CIELAB's blue-hue failure bridges to natural-gradient geometry, not to the hub-selection artifact
  capture promoted Tier 1 2026-07-11 · color-science, cielab, non-euclidean, information-geometry, natural-gradient
• Kubelka–Munk reflectance theory grades fresh-meat quality by inferring myoglobin redox chemistry from color
  claim seedling Tier 1 2026-07-11 · color-science, kubelka-munk-theory, reflectance, food-science, meat
• Kubelka–Munk theory, with the 1942 Saunderson correction, now computes dental shade-matching without physical test specimens
  claim seedling Tier 1 2026-07-11 · color-science, kubelka-munk-theory, reflectance, dentistry, dental-materials
• Kubelka–Munk theory was devised in 1931 to compute paint-film opacity, not general color
  claim seedling Tier 4 2026-07-11 · color-science, kubelka-munk-theory, reflectance, paint, optics
• Verify against the primary 1931 Kubelka & Munk paper that the theory was framed for paint hiding-power / opacity
  question answered 2026-07-11 · color-science, kubelka-munk-theory, optics, primary-source-verification, history-of-science
• CIELAB (1976) was built to fix CIEXYZ's perceptual non-uniformity — and still falls short of its own goal, especially in blues
  capture promoted Tier 4 2026-07-09 · color-science, cielab, colorimetry, perceptual-uniformity, hop
• A 1931 paint-industry light-scattering equation (Kubelka-Munk) now underlies meat-freshness grading and dental shade-matching
  capture promoted Tier 4 2026-07-09 · color-science, kubelka-munk-theory, cross-domain-bridge, food-science, dentistry
• CIELAB (1976) was designed as a perceptually uniform color space to remedy CIEXYZ's perceptual non-uniformity
  claim budding Tier 4 2026-07-09 · color-science, cielab, colorimetry, perceptual-uniformity, hop
• CIELAB fails its own perceptual-uniformity goal, most notably in the blue hues
  claim budding Tier 4 2026-07-09 · color-science, cielab, colorimetry, perceptual-uniformity, hop
• Verify against a primary CIE / colorimetry source: (a) that CIELAB (1976) was designed for perceptual uniformity, and (b) that it is known to fall short particularly in blue hues
  question answered 2026-07-09 · color-science, cielab, colorimetry, perceptual-uniformity, primary-source-verification