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Visual Odometry Final Project Video

Posted by: Matthew Ahn in Projects MEAM620 1 year, 1 month ago

Localization with stereo imagery

Tags: computer vision meam620
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GPU Accelerated SGP4 Final Report

Posted by: Matthew Ahn in Projects CIS565 GPU 1 year, 1 month ago

Final Project Report

Tags: cuda gpu spg4
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SGP4 14,588 Satellites in Orbit

Posted by: Matthew Ahn in Projects CIS565 GPU 1 year, 2 months ago

GPU Accelerated SGP4 Algorithm. This video shows the orbits of 14,588 different satellites. The satellites positions are in ECI coordinate system. As you can see there is no model of the Earth drawn. That is still to come.

Under the hood, there is a slight issue. Each satellite is propagated with a different epoch. They need to be sync'd initially before I start the propagation.

Tags: cuda gpu spg4 orbit propagation
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SGP4: VANGUARD 1 and VANGUARD 2

Posted by: Matthew Ahn in Projects CIS565 GPU C++ 1 year, 2 months ago

An example of Vanguard 1's and Vanguard 2's positions in ECI.

Tags: cuda gpu spg4 orbit propagation
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SGP4 Progress

Posted by: Matthew Ahn in Projects CIS565 GPU C++ 1 year, 2 months ago

Significant progress porting the SGP4 algorithm to a CUDA implementation. I can read in TLEs, initialize with all the SGP models and propagate forward in time.

Tags: c orbit propagation spg4 gpu
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MEAM 620 RANSAC

Posted by: Matthew Ahn in Projects MEAM620 1 year, 2 months ago

The purpose of this phase of the project was to develop the ransac algorithm in MATLAB.

Tags: meam620 matlab ransac computer vision
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CIS565 Project Midpoint

Posted by: Matthew Ahn 1 year, 2 months ago

http://dl.dropbox.com/u/7571261/GPU%20Accelerated%20Simplified%20General%20Perturbation%20Model.pptx

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TopCoder: 2012 TCO Algorithm 250

Posted by: Matthew Ahn in Code C++ 1 year, 2 months ago

#include <iostream>

Tags: c
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SGP4 Equations

Posted by: Matthew Ahn in Projects CIS565 GPU 1 year, 2 months ago

I've been reading through Fundamentals of Astrodynamics [Bate, Mueller, White] as well as breaking down the SPG4 source code for its formulas.

Tags: c cuda gpu spg4 orbit propagation
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Found source code for an implementation of the SGP4 algorithm

Posted by: Matthew Ahn in Projects CIS565 GPU C++ 1 year, 2 months ago

I found the link at the bottom of the page: http://en.wikipedia.org/wiki/Simplified_perturbations_models.

Tags: cuda c gpu spg4 orbit propagation
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