2024CompletedOil & GasPetrochemicalPower GenerationInfrastructure

Corrosion Annotator

Intelligent Corrosion Detection & Segmentation System

Deep learning-powered system for automated corrosion detection and segmentation in visual inspection images. Uses U-Net architecture with ResNet34 backbone to identify and quantify corroded areas with high accuracy.

PythonTensorFlowOpenCVU-NetResNet34NumPyPillowDenseCRF
Corrosion Annotator

Problems Solved

  • ×Subjective visual inspection assessments
  • ×Missed corrosion in hard-to-see areas
  • ×Inconsistent corrosion severity rating between inspectors
  • ×Time-consuming manual image analysis
  • ×Difficulty quantifying corrosion extent
  • ×No historical comparison capability

Solution & Key Features

  • Deep Learning Model: U-Net with ResNet34 encoder
  • Pixel-Level Segmentation: Precise corrosion boundary detection
  • Quantification: Automatic corrosion area and percentage calculation
  • Severity Classification: Mild, moderate, severe corrosion grading
  • Batch Processing: Analyze hundreds of images automatically
  • Multi-Source Support: Works with photos from phones, drones, cameras
  • Training Pipeline: Continuously improves with more data
  • Visualization: Color-coded heatmaps and overlay masks

Business Value

Efficiency

Process 100+ inspection photos in minutes vs hours of manual review

Quality

95%+ accuracy in corrosion detection, reducing human error

ROI

Reduces inspection time by 30-40% on large visual campaigns

Overall Impact

Corrosion Annotator augments human inspectors with AI-powered insights, catching corrosion that might be missed and providing objective, quantifiable data for asset integrity decisions. It's particularly valuable for large-scale inspection campaigns with thousands of images.

Tech Stack

Python
TensorFlow
OpenCV
U-Net
ResNet34
NumPy
Pillow
DenseCRF

Project Info

Year
2024
Status
Completed
Industry
Oil & GasPetrochemicalPower GenerationInfrastructure
Project Type
AI/MLNDT SupportVisual Inspection

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