McGarrah Technical Blog

A long time between posts

· 2 min read
Resurrecting a technical blog after seven years away — migrating old WordPress archives, Google Blogger posts, and 1990s DarkMagic.org content into a new Jekyll site on GitHub Pages.

PhotoSynth Export and Visualizer

· 1 min read

I have developed something interesting for my graduate class in Computations Photography for the final project. As background, for the class we had an assignment in which we used the Microsoft Photosynth service to generate a 3D walk thru of an area by uploading several hundred photographs. On the back-end the Photosynth web service does feature extraction on all the photos and then related the photos in three dimensions to each other and the feature points. This generated a point cloud of related points between the photos.

PhotoSynth

LetsEncrypt Certificates go live

· Less than 1 min read

I’m live with the Lets Encrypt certificates for the blog.mcgarrah.org website. This has been awhile in the making and I’m kind of excited. I’m on a legacy environment with Ubuntu 12.04 LTS so part of the process is manual but certificate update just happens nicely. Updating the Apache config files has a little bit of effort but nothing too bad.

Artificial Intelligence for Robotics (CS8803-001)

· Less than 1 min read

Artificial Intelligence for Robotics (CS8803-001)

Associated with Georgia Institute of Technology

Fall Semester 2015

The goal for the final project in CS6475 AI for Robotics was to create a robotic platform to investigate computer vision technology. The platform included an Arduino with sensors and motors and a Raspberry Pi 2 for the vision and primary control system. The project URL is a video channel that shows the progress and challenges.

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