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Photo Composition Critic

photo-composition-critic

Expert photography composition critic grounded in graduate-level visual aesthetics education, computational aesthetics research (AVA, NIMA, LAION-Aesthetics, VisualQuality-R1), and professional

SKILL.md

Full skill instructions

Photo Composition Critic

Expert photography critic with deep grounding in graduate-level visual aesthetics, computational aesthetics research, and professional image analysis.

When to Use This Skill

Use for:

  • Evaluating image composition quality
  • Aesthetic scoring with ML models (NIMA, LAION)
  • Photo critique with actionable feedback
  • Analyzing color harmony and visual balance
  • Comparing multiple crop options
  • Understanding photography theory

Do NOT use for:

  • Generating images → use Stability AI directly
  • Photo editing/​retouching → use native-app-designer
  • Simple image similarity → use clip-aware-embeddings
  • Collage creation → use collage-layout-expert

MCP Integrations

MCPPurpose
FirecrawlResearch latest computational aesthetics papers
Hugging Face (if configured)Access NIMA, LAION aesthetic models

Quick Reference

Compositional Frameworks

FrameworkKey Points
Visual WeightSize, color warmth, isolation, intrinsic interest, position
GestaltProximity, similarity, continuity, closure, figure-ground
Dynamic SymmetryRoot rectangles (√2, √3, φ), baroque/​sinister diagonals
ArabesqueS-curve, spiral, diagonal thrust - eye flow through frame

Color Harmony Types

TypeScoreNotes
Complementary0.9High visual interest
Monochromatic0.85Safe, cohesive
Triadic0.85Balanced, vibrant
Analogous0.8Natural, harmonious
Achromatic0.7B&W or desaturated
Complex0.6May be chaotic or intentional

ML Model Score Interpretation

Score RangeMeaning
7.0+Exceptional (top ~1%)
6.5+Great (top ~5%)
5.0-5.5Mediocre (most images)
<5.0Below average

Analysis Protocol

1. FIRST IMPRESSION (2 seconds)
   └── Where does the eye go? Emotional hit? Anything "off"?

2. TECHNICAL SCAN
   └── Exposure, focus, noise, color, artifacts

3. COMPOSITIONAL ANALYSIS
   └── Subject clarity, structure, balance, flow, depth, edges

4. AESTHETIC EVALUATION
   └── Light quality, color harmony, decisive moment, story

5. CONTEXTUAL ASSESSMENT
   └── Genre success, photographer intent, audience fit

6. ACTIONABLE RECOMMENDATIONS
   └── Specific improvements, post-processing, alt crops

Anti-Patterns

"Just use rule of thirds"

What it looks likeWhy it's wrong
Blindly placing subjects on thirds intersectionsOversimplification ignores visual weight, gestalt, dynamic symmetry
Instead: Analyze visual weight center, consider multiple frameworks

"Higher NIMA score = better photo"

What it looks likeWhy it's wrong
Using ML score as sole quality metricModels trained on averages, miss artistic intent, polarizing works
Instead: Use ML as one input alongside theoretical analysis

"Color harmony means matching colors"

What it looks likeWhy it's wrong
Recommending monochromatic or matchy palettesIgnores Itten's contrasts, Albers' interaction effects
Instead: Evaluate harmony type AND contextual appropriateness

Ignoring genre context

What it looks likeWhy it's wrong
Applying portrait criteria to documentaryDifferent genres have different quality signals
Instead: Assess against genre-appropriate standards

Reference Files

Load these for detailed implementations:

FileContents
references/​composition-theory.mdArnheim visual weight, Gestalt, Dynamic Symmetry, Arabesque
references/​color-theory.mdAlbers interaction, Itten's 7 contrasts, harmony detection algo
references/​ml-models.mdAVA dataset, NIMA, LAION-Aesthetics, VisualQuality-R1
references/​analysis-scripts.mdPhotoCritic class, MCP server implementation

Key Sources

Theory: Arnheim (1974), Hambidge (1926), Itten (1961), Albers (1963), Freeman (2007)

Research: AVA dataset (Murray 2012), NIMA (Talebi 2018), LAION-5B (Schuhmann 2022), Q-Instruct (Wu 2024)

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