Bundle Adjustment – Part 2: Jacobians
In the previous post, we considered the basics of bundle adjustment (BA) and discussed how to obtain the expressions for the jacobian matrices for the […]
Articles by ankur6ue
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 […]
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 […]