Client Technical Brief: Drone-Based Hyperspectral Corrosion Classification
Dashboard ini dipadankan dengan technical brief: hyperspectral survey digunakan sebagai inspection layer baharu untuk mengesan surface corrosion indicators, coating degradation, salt deposits, marine growth dan priority zones untuk targeted close-up/NDT inspection. Output ini menyokong keputusan inspection dan maintenance; ia bukan pengganti wall-thickness, CUI atau structural integrity assessment.
Resonon Pika L VNIR
400–1000 nm • 281 bands • 2.7 nm
Inspection Gap
Visual-only survey can miss early coating breakdown, salt deposit and oxidation indicators. HSI adds spectral evidence before targeted access work.
Spectral Fingerprint
RGB sees colour; multispectral sees selected bands; hyperspectral creates hundreds of narrow-band reflectance fingerprints for material separation.
Claim Control
Dashboard classifies surface indicators and priority zones. Critical wall-loss, CUI and structural integrity must be validated by NDT and corrosion engineer review.
Pilot Methodology
Client-ready workflow from class definition to corrosion intelligence package.
Define Classes
Agree classes, acceptance criteria and report format.
Build Library
Coating, rust stages, salt, wetness, marine growth.
UAV Acquisition
Pika L capture with calibration and RGB context.
Ground Truth
Inspector label, close-up photo, UT / RBI tie-in.
ML Validation
SVM, RF, XGBoost, 1D-CNN; F1 and confusion matrix.
Deliver Package
Maps, confidence, priority NDT and executive report.
Total Area Inspected
12,450 m²
Corrosion Detected
8.7%
Severe Hotspots
3
NDT Points Req.
22
Asset Corrosion Risk Index
Severity Breakdown (Area m²)
Structural Digital Twin + Real Platform Reference
Interactive 3D offshore asset model matched with real corrosion reference extracted from the attached technical brief.
Location
Recommended Action
Extracted Real Reference
Offshore Corrosion / Splash-Zone Evidence
Used as real-world visual context for the digital twin hotspot placement and inspection evidence panel.
Digital Twin Layer Stack
Client Disclaimer
Digital twin heatmaps support inspection prioritisation only. Final corrosion mechanism and integrity decision require certified inspector/NDT confirmation.
Hyperspectral Overlay Viewer
Compare visual RGB inspection with AI-generated spectral anomaly maps.
Drag slider to compare RGB vs Spectral Analysis
Dummy Spectral Analysis Output
RGB visual dibandingkan dengan dummy spectral interpretation, spectral signatures dan classification summary untuk konsep client presentation.
Material Spectral Signature Viewer
Analysis of reflectance across 400-1000 nm wavelengths.
Heavy Rust / Coating Breakdown
"This pixel has high similarity with the registered corrosion library signature."
Action: Requires UT Validation
Corrosion Classification Ledger
AI categorisation of surface conditions based on spectral data.
| Class ID | Surface Condition | Severity | Confidence | Area (m²) | Recommended Action |
|---|
NDT Validation Planning
Targeted points requiring physical Non-Destructive Testing based on AI flags.
| Point ID | Location | AI Flag | Recommended NDT | Priority | Status | Action |
|---|
Maintenance Priority Matrix
Actionable intelligence for maintenance scheduling.
Execution Phases
Urgent Inspection & NDT
Within 7 days. Focus on Riser Supports and Splash Zones identified as Severe.
Re-coating Review & Prep
Within 30 days. Address areas showing Early Coating Degradation before rust initiates.
Routine Monitoring
Schedule in next 6-month cycle. Monitor intact coating areas and light marine growth.
Severity vs Confidence
Historical Timeline Monitoring
Track corrosion progression across inspection cycles.
Corrosion Area
8.7%
Risk Index
72/100
Severe Hotspots
14
"Significant progression in splash zone corrosion observed. Recommended immediate NDT intervention."
Executive Report Centre
Generate and export actionable intelligence summaries.