Crafting GCPs

Introduction

  This lab consisted of creating GCPs which will be used in the field for future labs. The materials used to create the GCPs include a heavy hard plastic, spray paint, canvas cloths, a plywood stencil, and a table saw. To make the GCPs, first the heavy plastic material was cut into about 2 ft by 2 ft squares using the table saw. Then, the plywood stencil was used to create a bright pink "X" on the GCP so it easily identified when processing the imagery. After the "X" was painted on, or when at least half of the "X" was painted on, then a number was painted on the GCP using a bright yellow spray paint. Lastly, time was allotted to allow the paint to dry.
  Below are some pictures taken while creating the GCPs. The GCPs were created in Professor Joe Hupy's garage. In total, 16 GCPs were created, and about one hour was taken to make them.

Fig 10.0: Example of a GCP before painting

Fig 10.1: GCP with half of the "X" painted

Fig 10.2: Painting on the numbers 

Fig 10.3: Allowing the GCPs to dry when finished