Bundle Adjustment – Part 1: Jacobians
Bundle Adjustment (BA) is a well established technique in Computer Vision typically used as the last step in many feature based 3D reconstruction algorithms to […]
Articles by ankur6ue
Note on POSIT
The purpose of the this post is to provide my thoughts on what goes on during an iteration of POSIT. This post is not meant to […]
Aerial Photography from a Moving Platform – Part 2
In part 1 of this series, we examined the issue of depth of field and its relationship with aperture and focal length in detail. We […]
Aerial Photography from a Moving Platform – Part 1
Most applications of commercial drones today involve aerial photographs as an input. Taking good photos from a moving platform involves a number of challenges, some […]
Making PHP Extensions using Visual Studio 2012
I have been working on making an extension to PHP to read data (Mavlink messages) from a serial port on a Windows machine. PHP on […]
My Experiments with RTK
In this post I’ll describe positioning results obtained by applying RTK on data from timing enabled GPS chips. I don’t have centimeter level accuracy yet, […]
Using RTK: What Hardware to Buy
Over the last couple of months, I have been investigating techniques to improve the accuracy of my surveys and eliminate the need of using ground […]
FAA’s Recent Announcement Regarding Drone Registration
Just in time for the holidays, the Federal Aviation Administration (FAA) earlier this week announced that individuals with drones that weigh more than half a […]