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EricChenWei/
neural-dqs

Name: neural-dqs
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Neural DQS — Dataset Quality Score Predictor

Predicts post-training mAP@0.5 from 6 dataset-level features, before training any model.

CV Pearson r = 0.929 (n=96, p<0.001) on the Neural DQS Benchmark.

Model Description

A Ridge(α=1.0) regression with StandardScaler + PolynomialFeatures(degree=2) operating on a 6-dimensional feature vector extracted from a computer vision dataset.

Feature Vector: f(D) ∈ ℝ⁶

Feature	Symbol	Description
Annotation Quality	AQ	`0.6 × completeness + 0.4 × bbox geometry`
Image Quality	IQ	`√(blur_score × noise_cleanliness)`
CLIP Diversity	CD	Mean pairwise cosine distance (ViT-B/32)
Lighting Diversity	LD	Normalized brightness entropy
Pose Diversity	PD	Normalized aspect-ratio entropy
Class Balance	CB	`1 − Gini coefficient`

Architecture

f(D) ∈ ℝ⁶
  → StandardScaler
  → PolynomialFeatures(degree=2)  → ℝ²⁸
  → Ridge(α=1.0)
  → predicted mAP@0.5

Performance

Metric	Value
CV Pearson r (k=5)	0.929
CV R²	0.854
Train Pearson r	0.970
Training samples	96

SHAP feature importance (mean |φ|):

CD (CLIP Diversity): 0.0765 ← strongest
IQ (Image Quality): 0.0211
AQ (Annotation Quality): 0.0142

Usage

python

import joblib
import numpy as np
from huggingface_hub import hf_hub_download

model_path = hf_hub_download("EricChenWei/neural-dqs", "neural_dqs_model.pkl")
model = joblib.load(model_path)

# Feature vector: [AQ, IQ, CD, LD, PD, CB]
features = np.array([[0.80, 0.46, 0.49, 0.46, 0.83, 0.92]])
predicted_map50 = model.predict(features)[0]
print(f"Predicted mAP@0.5 = {predicted_map50:.4f}")

Extract features with Auto Dataset Builder

python

from models.dqs.feature_extractor import extract_features

feats = extract_features(image_dir="path/to/images", label_dir="path/to/labels")
f = [feats.annotation_quality, feats.sharpness, feats.clip_diversity,
     feats.lighting_diversity, feats.pose_diversity, feats.class_balance]

predicted_map50 = model.predict([f])[0]

Training Data

EricChenWei/neural-dqs-benchmark — 96-variant COCO128 degradation benchmark.

GitHub: ericchen931209/auto-dataset-builder

Citation

bibtex

@software{chen2026adb,
  author  = {Chen, Yu-Wei},
  title   = {Auto Dataset Builder: An LLM-Assisted Framework for
             Automatic Dataset Construction with Neural Dataset Quality Scoring},
  year    = {2026},
  url     = {https://github.com/ericchen931209/auto-dataset-builder},
  license = {MIT}
}

EricChenWei/neural-dqs