SA-BENCH

SA-BENCH is the benchmark dataset released with “Beyond Pixels: Benchmarking and Reward-Based Assessing Framework for Visual Spatial Aesthetics.”

It evaluates the spatial aesthetics of interior images along four dimensions:

• distortion
• harmony
• layout
• lighting

The dataset contains 17,768 annotated examples across four spatial-aesthetic dimensions, with image assets and human annotations for training and evaluation.

Dataset Details

Dataset Description

SA-BENCH is designed for image quality and aesthetic assessment of interior scenes. It focuses on spatial aesthetics rather than generic image appeal, and provides dimension-specific annotations for:

• distortion: geometric distortion, deformation, alignment errors, and material realism
• harmony: style consistency, color coordination, and overall visual coherence
• layout: spatial arrangement, balance, and positional relationships of key elements
• lighting: illumination quality, shadow realism, light-source consistency, and atmosphere

Dataset Sources

• Repository: this Hugging Face dataset repository
• Associated paper: Beyond Pixels: Benchmarking and Reward-Based Assessing Framework for Visual Spatial Aesthetics
• Code and model release: SA-IQA

Dataset Structure

SA-BENCH/
├── LICENSE
├── README.md
├── annotations/
│   ├── distortion_2k_train.csv
│   ├── distortion_2k_test.csv
│   ├── distortion_2k_full.csv
│   ├── harmony_7k_train.csv
│   ├── harmony_7k_test.csv
│   ├── harmony_7k_full.csv
│   ├── layout_6k_train.csv
│   ├── layout_6k_test.csv
│   ├── layout_6k_full.csv
│   ├── lighting_3k_train.csv
│   ├── lighting_3k_test.csv
│   ├── lighting_3k_full.csv
│   └── *_prompt{1,2,3,4}.jsonl
└── images/
    ├── distortion/images/
    ├── harmony/images/
    ├── layout/images/
    └── lighting/images/

Data Fields

The CSV annotation files contain:

• id: image identifier
• {dimension}_score_*: individual human annotation scores
• {dimension}_score_mos: mean opinion score
• {dimension}_score_mos_int: integer-rounded MOS label used for prompt-response generation
• model: source generation model, when available for that dimension

The JSONL prompt files contain:

• query: prompt text
• response: target textual quality label
• images: image path list used by the accompanying SA-IQA codebase

The JSONL images values intentionally keep the SA-BENCH/ prefix, for example SA-BENCH/images/distortion/images/distortion_1025.jpg. This matches the expected layout when the dataset directory is used together with the SA-IQA code from the parent project directory. When loading files from inside the Hugging Face dataset repository root directly, strip the leading SA-BENCH/ prefix or prepend the parent directory accordingly.

Data Splits

Each dimension provides train, test, and full CSV splits:

Dimension	Subset	Description
distortion	2,226	Spatial distortion quality
harmony	6,741	Style and color harmony quality
layout	5,556	Spatial layout quality
lighting	3,245	Lighting quality

Together they form a 17,768-example benchmark.

Usage

The CSV files can be loaded directly through the Hugging Face Dataset Viewer using the metadata configurations above. Prompt-based JSONL files are also included for reproducibility and direct use with SA-IQA training/evaluation scripts.

For standard evaluation in this release, use the prompt4 files with the released sa-iqa-prompt4 model.

Intended Use

SA-BENCH is intended for:

• non-commercial research on image quality assessment
• benchmarking spatial aesthetic assessment methods
• training and evaluating multimodal models for interior-image quality prediction
• reward-model research for image generation and selection

Limitations

• The dataset focuses on interior-scene imagery and may not generalize to portraits, landscapes, or general artistic images.
• Scores reflect the annotation protocol used for this benchmark and should not be treated as universal aesthetic judgments.
• Users should evaluate fairness, safety, and domain suitability before applying models trained on this dataset to new data.

License

SA-BENCH is released under the Apache License 2.0. See LICENSE for the full license text.

Citation

If you use SA-BENCH, please cite:

@inproceedings{gao2025beyond,
  title={Beyond Pixels: Benchmarking and Reward-Based Assessing Framework for Visual Spatial Aesthetics},
  author={Gao, Yuan and Song, Jin and Fei, Yiyun and Li, Gongzhe and Yang, Ruigao},
  booktitle={CVPR 2025 Workshop},
  year={2025}
}