AQC1059 | NAN-COL000622

Nanopublication — Computational Image Analysis - AQC1059

Watercolor Study in Db Major No. 1

Claim 1: Computational Image Analysis - AQC1059

The artwork Watercolor Study in Db Major No. 1 (AQC1059) [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: 1608x2144 pixels. Analysis date: 2026-07-13.

A) Color Analysis

Rank Color Hex % Family Name
1 7C9495 23.8 blue-green lightslategray
2 899FA0 16.3 blue-green lightslategrey
3 4F044F 15.1 red-violet very dark purple
4 6E878C 14.2 blue-green blue gray
5 5C125E 11.4 red-violet indigo
6 68246B 6.4 red-violet purple
7 566C84 4.4 blue-violet grayish purple
8 030204 4.2 black black
9 053C56 3.3 blue grayish purple
10 763719 0.8 orange russet
11 600502 0.3 red-orange very dark red [Accent]
12 441D2A 0.3 red very dark red [Accent]
13 B3A997 0.3 yellow-orange steel gray [Accent]

Color Families:

Family %
blue-green 54.3
red-violet 32.9
blue-violet 4.4
black 4.2
blue 3.3
orange 0.8
red-orange 0.3
red 0.3
yellow-orange 0.3

Accent Colors:

Hex Family Name Chroma
600502 red-orange very dark red 47.2
441D2A red very dark red 21.0
B3A997 yellow-orange steel gray 11.0

B) Texture Analysis

Metric Value
Global Roughness 0.197
Mean Local Roughness 0.022
Roughness Uniformity 0.014
Edge Density 0.093
Mean Gradient Magnitude 0.162
Gradient Variance 0.032
Gradient Smoothness 0.0
Directional Coherence 0.018
Pattern Complexity 0.133
Pattern Repetition 1.0
Detail Frequency Ratio 0.622
Spatial Variation 0.154
Texture Consistency 0.371

C) Brightness & Contrast Analysis

Metric Value
Mean Brightness 0.389
Brightness Variance 0.197
Brightness Uniformity 0.493
Brightness Skewness -0.399
Brightness Entropy 6.703
Rms Contrast 0.197
Michelson Contrast 1.0
Weber Contrast 0.775
Mean Local Contrast 0.022
Contrast Uniformity 0.337
Dynamic Range 0.886
Effective Dynamic Range 0.494
Shadow Percentage 41.111
Midtone Percentage 58.73
Highlight Percentage 0.159
Shadow Clipping 2.056
Highlight Clipping 0.0
Tonal Balance 0.0
Fine Contrast 0.014
Medium Contrast 0.027
Coarse Contrast None
Multiscale Contrast Ratio 1.0
Edge Contrast 0.162
Contrast Clustering 0.629

D) Spatial Distribution Analysis

Metric Value
Spatial Coherence 0.797
Color Clustering 0.713
Color Transition Smoothness 0.581
Transition Uniformity 0.761
Sharp Transition Ratio 0.1
Transition Directionality 0.019
Mean Saturation 0.444
Saturation Variance 0.118
Low Saturation Ratio 0.562
Medium Saturation Ratio 0.108
High Saturation Ratio 0.329
Saturation Clustering 0.996
Hue Concentration 0.609
Complementary Balance 0.025
Analogous Dominance 0.575
Temperature Bias -0.135

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 Db Major No. 1 - Catalogue Raisonné. https://arnaudquercy.art/en/catalogue-raisonne/AQC1059.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)

685fc3b2a498b6443873a790cb3df96647acfcdcf46c9e9050a85749279cbc17

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