Rehabilitation Monitoring Using Drones and Remote...

22
Rehabilitation Monitoring Using Drones and Remote Sensing Sam Atkinson September 2018 Case Studies, Field Validation and Lessons Learnt

Transcript of Rehabilitation Monitoring Using Drones and Remote...

Page 1: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Rehabilitation Monitoring Using Drones and Remote Sensing

Sam Atkinson

September 2018

Case Studies, Field Validation and Lessons Learnt

Page 2: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

1. Background

2. Use cases

– Construction and earthworks

– Routine compliance monitoring

– Investigations and problem identification

3. Field validation results

4. Lessons learnt

Presentation Outline

Page 3: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Enabling Technologies

Page 4: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

A suite of metrics to manage and assess rehabilitation performance

Rehabilitation Performance Metrics

Landform Geometry Landform Stability

Vegetation

Page 5: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Rehabilitation Performance Metrics

Page 6: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Landform Construction

Crest Bund Height

Batter Angle

Imagery

Elevation Model

Page 7: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Landform Construction

Page 8: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Landform Construction

Page 9: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Landform Construction

Page 10: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Routine Monitoring

9 ha waste rock dump Isolate vegetation

Page 11: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Routine Monitoring

2016 Change 2016 to 2018

Page 12: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Routine Monitoring

2016 Change 2016 to 2018

2016

2018

2016

2018

Page 13: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Routine Monitoring

Page 14: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Routine Monitoring

Page 15: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

In Use – Problem ID and Investigation

Providing multiple information sources for expert interpretation

Page 16: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Aerial surveys using drones are repeatable and accurate

Validation Testing – Drone surveys

RMSE: 0.03 m

Page 17: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Validation Testing - Vegetation Height

1.7 m 1.4 m12.4 m 11.5 m

RMSE (Below 5m): 0.35 m

RMSE (Overall): 0.87 m

RMSE (Above 5m): 0.89 m

Page 18: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Validation Testing – Gully Depth

RMSE (Overall) : 0.16 m

RMSE (0.0 – 0.25 m) : 0.06 mRMSE (0.25 – 0.5 m) : 0.12 mRMSE (0.5 – 1.0 m) : 0.20 mRMSE (1.0m +) : 0.26 m

Page 19: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

Validation Testing - Bunds

RMSE: 0.09 m

Page 20: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

The quality of input data is critical

Lessons Learnt

Two datasets, same specs

‐ Resolution = 3 cm‐ Accuracy +/- 5 cm‐ Same data types

Page 21: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

It’s hard to reliably get good results from drones

Lessons Learnt

‐ Equipment failures‐ Part cloudy‐ Too windy‐ Sun angles‐ Regulation‐ Processing

parameters

Page 22: Rehabilitation Monitoring Using Drones and Remote Sensingriawa.com.au/.../uploads/2018/09/Sam-Atkinson-Rehab-Monitoring-Dr… · Drones and Remote Sensing Sam Atkinson September 2018

The best ideas for innovation are had by practitioners

Lessons Learnt