AQC0536 | NAN-COL000399

Nanopublication — Computational Image Analysis - AQC0536

Ab Major 9 - Research on Harmony - Variation 4

Claim 1: Computational Image Analysis - AQC0536

K-means clustering (10 colors) performed on artwork Ab Major 9 - Research on Harmony - Variation 4 (AQC0536) [1] by Arnaud Quercy [2] on 2025-10-03, according to IDS-CMP-2025 [3]. Documentation includes: color families, texture roughness, brightness distribution, spatial coherence.

Context

Analysis performed according to IDS-CMP-2025 [3] includes four metric categories: (a) Color distribution via k-means (10 colors), (b) Texture analysis using Haralick features, (c) Brightness and contrast measurements, (d) Spatial pattern characterization. Source image: 2132x2843 pixels. Analysis date: 2025-10-03.

A) Color Analysis

Rank Color Hex % Family Name
1 C96370 23.6 red-orange indianred
2 0A307C 15.9 violet indigo
3 0E0F26 14.8 violet very dark purple
4 B75663 12.2 red-orange burnt sienna
5 040F46 11.5 violet very dark purple
6 071C5D 7.2 violet very dark purple
7 2E2F4A 5.1 violet dusty mauve
8 C77C8F 4.9 red rosybrown
9 D5C9CA 2.5 white lightgray
10 695158 2.3 red dimgray
11 8791A6 0.3 blue-violet lightslategray [Accent]
12 523C2C 0.3 orange dark brown [Accent]
13 957487 0.3 red-violet dusty mauve [Accent]
14 504231 0.3 yellow-orange dark brown [Accent]

Color Families:

Family %
violet 54.4
red-orange 35.9
red 7.2
white 2.5
blue-violet 0.3
orange 0.3
red-violet 0.3
yellow-orange 0.3

Accent Colors:

Hex Family Name Chroma
8791A6 blue-violet lightslategray 12.0
523C2C orange dark brown 15.7
957487 red-violet dusty mauve 16.8
504231 yellow-orange dark brown 13.3

B) Texture Analysis

Metric Value
Global Roughness 0.211
Mean Local Roughness 0.014
Roughness Uniformity 0.016
Edge Density 0.074
Mean Gradient Magnitude 0.113
Gradient Variance 0.026
Gradient Smoothness 0.0
Directional Coherence 0.15
Pattern Complexity 0.118
Pattern Repetition 1.0
Detail Frequency Ratio 0.644
Spatial Variation 0.183
Texture Consistency 0.248

C) Brightness & Contrast Analysis

Metric Value
Mean Brightness 0.301
Brightness Variance 0.211
Brightness Uniformity 0.299
Brightness Skewness 0.368
Brightness Entropy 6.871
Rms Contrast 0.211
Michelson Contrast 1.0
Weber Contrast 0.884
Mean Local Contrast 0.015
Contrast Uniformity 0.0
Dynamic Range 1.0
Effective Dynamic Range 0.533
Shadow Percentage 55.385
Midtone Percentage 41.818
Highlight Percentage 2.797
Shadow Clipping 0.0
Highlight Clipping 0.002
Tonal Balance 0.0
Fine Contrast 0.007
Medium Contrast 0.019
Coarse Contrast None
Multiscale Contrast Ratio 1.0
Edge Contrast 0.113
Contrast Clustering 0.752

D) Spatial Distribution Analysis

Metric Value
Spatial Coherence 0.783
Color Clustering 0.721
Color Transition Smoothness 0.706
Transition Uniformity 0.84
Sharp Transition Ratio 0.1
Transition Directionality 0.166
Mean Saturation 0.647
Saturation Variance 0.06
Low Saturation Ratio 0.055
Medium Saturation Ratio 0.536
High Saturation Ratio 0.409
Saturation Clustering 1.0
Hue Concentration 0.479
Complementary Balance 0.004
Analogous Dominance 0.56
Temperature Bias -0.057

Methodology

This analysis employs standardized computational methods for objective image characterization. Color extraction uses k-means clustering algorithm. Texture analysis applies Haralick feature extraction. Brightness metrics include mean, variance, and distribution analysis. Spatial patterns are characterized through coherence and clustering measurements. All methods are deterministic and reproducible. Analysis performed by Ideamorphic Studies' computational imaging systems.

References

  1. [1] Quercy, A. (2024). Ab Major 9 - Research on Harmony - Variation 4 - Catalogue Raisonné. https://arnaudquercy.art/en/catalogue-raisonne/AQC0536.html
  2. [2] Quercy, A. (2025). ORCID https://orcid.org/0009-0000-2662-7790
  3. [3] Quercy, A. (2026). Computational Image Analysis Standard. https://ideamorphism.org/en/measurements/2025/11/ids-cmp-2025-computational-image-analysis-standard-5dq9.html

Epistemic profile

Claim typecomputational analysis
Voicethird person
Epistemic statusempirical measurement
Methodologycomputational analysis
Certaintyhigh

Checksum (SHA-256)

6171ef186133c0584a293357aa6313102f67c7779d8d06f983d1ef4a52fb129f

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