Contents

1.0 Introduction

2.0 Hardware

2.1 Remotely Piloted Aircraft (RPA)

2.2 Imaging Sensors

2.3 Other Hardware Considerations

2.4 Workstation

3.0 Geometric Accuracy

3.1 Ground Control Points (GCP)

3.2 Real-Time Kinematic (RTK) Workflows

3.3 Post-Processing Kinematic Workflows (PPK)

3.4 Determining Use-Case

4.0 Acquisition Planning

4.1 Takeoff Sites

4.2 Flight Planning Software

4.3 Timing

5.0 Digital Photogrammetric Processing

5.1 Software Choices

5.2 Agisoft Workflow Walk-Throughs

5.2.1 Imagery Organization

5.2.2 Image filtering

5.2.3 Image Alignment

5.2.4 Sparse Cloud Filtering

5.2.5 Depth Map Generation

5.2.6 Depth Map Filtering

5.2.7 Multispectral (MicaSense)

6.0 Photogrammetric Post-Processing

6.1 Software choices

6.1.1 LAStools

6.1.2 lidR

6.2 Workflows/Scripting

6.2.1 Compression

6.2.2 Tiling and Buffering

6.2.3 Noise filtering

6.2.4 Classification

6.2.5 Normalization

6.2.6 Point Cloud Normalization with Co-Occurring LiDAR

6.3 Standard Data Products

6.3.1 Digital Terrain Model/Digital Elevation Model

6.3.2 Canopy Height Model

6.3.3 Standardized Metrics

7.0 Field Data Collection

7.1 Stem Mapping Method 1: Distance and Azimuth

7.1.1 Instrument Calibration

7.1.2 Methods

7.2 Stem Mapping Method 2: Direct-to-Image

8.0 Selected Bibliography of Relevant IRSS Publications

9.0 References