AQC1079 | NAN-COL000642

Nanopublication — Computational Image Analysis - AQC1079

Watercolor Study in D Minor No. 4

Claim 1: Computational Image Analysis - AQC1079

The artwork Watercolor Study in D Minor No. 4 (AQC1079) [1] by Arnaud Quercy [2] underwent comprehensive computational analysis [3] on 2026-07-13. Method: k-means clustering with 10 colors extracted. Metrics documented: color distribution, texture analysis, brightness/contrast, spatial patterns.

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: 1895x2527 pixels. Analysis date: 2026-07-13.

A) Color Analysis

Rank Color Hex % Family Name
1 AA7544 13.7 orange peru
2 B69976 13.1 orange rosybrown
3 824006 13.0 orange russet
4 B58658 12.8 orange indianred
5 A1652E 12.2 orange burnt sienna
6 985210 11.7 orange russet
7 C4AA88 9.2 yellow-orange tan
8 1E0C03 6.6 red-orange very dark gray
9 5B3A2F 4.0 orange dark brown
10 3C2317 3.8 orange very dark orange

Color Families:

Family %
orange 84.2
yellow-orange 9.2
red-orange 6.6

B) Texture Analysis

Metric Value
Global Roughness 0.171
Mean Local Roughness 0.022
Roughness Uniformity 0.014
Edge Density 0.062
Mean Gradient Magnitude 0.164
Gradient Variance 0.033
Gradient Smoothness 0.0
Directional Coherence 0.001
Pattern Complexity 0.137
Pattern Repetition 1.0
Detail Frequency Ratio 0.629
Spatial Variation 0.139
Texture Consistency 0.597

C) Brightness & Contrast Analysis

Metric Value
Mean Brightness 0.444
Brightness Variance 0.171
Brightness Uniformity 0.615
Brightness Skewness -0.575
Brightness Entropy 7.317
Rms Contrast 0.171
Michelson Contrast 1.0
Weber Contrast 0.691
Mean Local Contrast 0.022
Contrast Uniformity 0.289
Dynamic Range 0.882
Effective Dynamic Range 0.584
Shadow Percentage 25.033
Midtone Percentage 67.976
Highlight Percentage 6.991
Shadow Clipping 0.015
Highlight Clipping 0.0
Tonal Balance 0.104
Fine Contrast 0.013
Medium Contrast 0.027
Coarse Contrast 0.039
Multiscale Contrast Ratio 0.325
Edge Contrast 0.164
Contrast Clustering 0.403

D) Spatial Distribution Analysis

Metric Value
Spatial Coherence 0.747
Color Clustering 0.586
Color Transition Smoothness 0.571
Transition Uniformity 0.747
Sharp Transition Ratio 0.1
Transition Directionality 0.002
Mean Saturation 0.634
Saturation Variance 0.055
Low Saturation Ratio 0.049
Medium Saturation Ratio 0.563
High Saturation Ratio 0.388
Saturation Clustering 0.998
Hue Concentration 0.992
Complementary Balance 0.0
Analogous Dominance 0.999
Temperature Bias 0.999

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. (2026). Watercolor Study in D Minor No. 4 - Catalogue Raisonné. https://arnaudquercy.art/en/catalogue-raisonne/AQC1079.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/2025/09/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)

acdc90b1d7057a41571a112b3eb59a8968024201f5b0ce1339c0a79afd996791

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