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B.U. Solid State Laboratory, May 2013 - July 2014
B.U. Solid State Laboratory, May 2013 - July 2014
B.U. Solid State Laboratory, May 2013 - July 2014
Augmented Reality with Planar Homographies
CMU16-720, Computer Vision
October 2020
Abstract:
In this project, my goal was to estimate the planar homography between two images. Using this homography, I could then warp images and implement an AR application using two video clips.
Process:
Before I was able to estimate homography, I had to implement a feature detector and descriptor to find interest points. For this application I implemented a FAST feature detector and a BRIEF feature descriptor. I began by comparing the points of a CV textbook head-on with the same textbook on a desk. From here, I was able to estimate the homography needed to transform a head-on image to this transformed frame.
Result:
Once I was able to successfully transform a single image, I applied the same homography estimation to a video segment. The result is a scene from Kung-Fu Panda overlaid on the same CV Textbook moving in its own video.
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