Quality Sentinel for AI Training Data

Ensure Annotation Quality at Scale

Detect bias, drift, and inconsistencies in your labeled datasets. LabelCheck AI uses consensus scoring and automated QA to maintain the integrity of your training data.

99.3%
Detection Accuracy
70%
Faster QA Process
92%
Consistency Increase

Core Capabilities

Comprehensive quality assurance for your annotation pipeline

Consensus Scoring

Multi-annotator agreement analysis. Identify outliers and measure inter-rater reliability with Cohen's Kappa, Fleiss' Kappa, and custom consensus metrics.

  • Multi-rater agreement tracking
  • Statistical significance tests
  • Confidence interval calculation

Bias Detection

Automatically discover systematic biases in your dataset. Detect label imbalance, demographic skew, and annotator-specific tendencies before they impact model performance.

  • Class distribution analysis
  • Annotator bias profiling
  • Demographic fairness checks

Drift Monitoring

Track temporal changes in annotation patterns. Detect concept drift, label drift, and quality degradation over time with real-time alerts and trend analysis.

  • Temporal pattern tracking
  • Quality degradation alerts
  • Concept shift detection

Inconsistency Detection

Find conflicting labels and ambiguous samples. Use similarity clustering and embedding analysis to identify contradictory annotations within your dataset.

  • Duplicate detection
  • Contradiction analysis
  • Similarity-based clustering

Why LabelCheck AI?

🎯

Higher Model Accuracy

Clean training data leads to better model performance. Reduce false positives and improve generalization.

Faster Iteration Cycles

Catch quality issues early. Automated QA reduces manual review time by 70%.

💰

Cost Reduction

Minimize re-annotation costs. Fix problems before they propagate through your pipeline.

🔍

Transparency & Trust

Full audit trail and explainability. Know exactly where and why quality issues occur.

How It Works

Four-step quality assurance pipeline

1

Data Ingestion

Import annotations from any format (CSV, JSON, COCO, YOLO). Supports all major annotation platforms.

2

Quality Analysis

Run automated checks for bias, drift, and inconsistencies. Generate consensus scores and quality metrics.

3

Issue Detection

Identify problematic samples with low consensus, high variance, or suspicious patterns.

4

Review & Export

Prioritize samples for re-annotation. Export cleaned datasets with confidence scores.

Interactive Demo

Explore consensus scoring visualization

Sample Dataset

Click on samples to see annotation details

Samples 100
Avg Consensus 0.82
Issues Found 12
High Consensus (≥0.85)
Medium Consensus (0.65-0.84)
Low Consensus (<0.65)

Ready to Improve Your Data Quality?

Start detecting annotation issues before they impact your models.