Mark Willis's Blog (5)

Creating Digital Elevation Models from Low Altitude Photographs

A free tutorial on creating Digital Elevation Models (DEMs) from Photosynth point clouds is now available online.  The tutorial focus on using mostly free and Open Source software to create detailed georeferenced 3D models from low altitude aerial photographs that have been processed in Structure from Motion (SfM) software like that…


Added by Mark Willis on December 30, 2010 at 10:11am — 12 Comments

Introducing Palentier: An Open Source Aerial Mapping Application

Palentier processes aerial photographs collected from a camera aboard a MikroKopter, or similar Unmanned Aerial System (UAS) then scales, orients and projects the images to real world mapping systems. It does this by analyzing the telemetry data from the UAS and merging it with the aerial photographs. The resulting data is then superimposed for viewing in Google…


Added by Mark Willis on September 28, 2010 at 11:30am — 19 Comments

Aerial Mapping with multicopter

Hello all, I've been toying around with the MikroKopter Hexakopter as a tool for aerial mapping and photogrammetry. After a few weeks of learning the ins and outs of the system, I finally had some time on the weekend to test the system for mapping.

In short, we placed Ground Control Points (GCPs) around a man-made ponding area at roughly ten meter intervals (~40 x 30 m in total…


Added by Mark Willis on June 8, 2010 at 10:00am — 29 Comments

Drones to help track US border in summer

On a visit to El Paso this weekend, I noticed this article on front page of the El Paso Times concerning US border drone use.

One interesting tid bit, "Perez said the Department of Homeland Security and members of Congress have been frustrated with the FAA because it has been slow in approving the department's request for…


Added by Mark Willis on May 19, 2010 at 3:09pm — 4 Comments

Volunteers for aerial photography of Gulf oil spill needed

The folks over at Grass Roots Mapping are looking for people with low altitude aerial photography skills to help map the BP oil spill in the Gulf of Mexico.

Volunteer at their website…


Added by Mark Willis on May 10, 2010 at 11:30am — 9 Comments


Season Two of the Trust Time Trial (T3) Contest 
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here

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