Galaxy S4 Photogrammetry

The Galaxy S4 is lightweight, loaded with sensors, and has plenty of power/battery life. The S4 is able to run the lightweight Seek Thermal Imaging camera as a USB attachment. With proper software, this device should make a great addition to many UAV.

Specs & Weight

Camera Rear Focal Length	31mm
Camera Rear Resolution	13 MP
Camera Front Resolution	2 MP
Location	AGPS, GLONASS
Weight	130.2g
Size	5.38" x 2.74" x 0.31"
Android	4.4.2+
RAM	2GB
Processor	Quadcore 1.9 Ghz
Disk space	16 GB
Sensors	Accelerometer Barometer Geomagnetic Gyrometer Proximity Temperature Humidity

Project outline

Read in a flight plan from the Mission Planner software.

• Mission Planner
• APM Planner 2.0

Log flight data to SD card.
Transmit sensor and/or video data over the DJI Phantom 2 Vision network via UDP to a laptop.
Use the sensor data to take photos with the 13 MP camera and the Seek Thermal camera simultaneously.
Aerial photography independent of flight apparatus.
Use coffee cans with internal fire as thermal ground control points.
Post processing with Visual SFM/CMPMVS to create orthorectified photos.

Getting Started

• Install Android Developer Studio
• Install Java SDK x64
• Enable Developer Options on Android Phone. Do this by tapping the About Phone 7 times until this menu becomes available.
• Install USB Driver for the Samsung Galaxy S4 SCH-I545
• Develop. Make sure to save work in a Git repository such as Github.