December 2012
Intermediate to advanced
340 pages
8h 3m
English
Content preview from Mastering OpenCV with Practical Computer Vision ProjectsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Estimating the camera motion from a pair of images
Before we set out to actually find the motion between two cameras, let us examine the inputs and the tools we have at hand to perform this operation. First, we have two images of the same scene from (hopefully not extremely) different positions in space. This is a powerful asset, and we will make sure to use it. Now as far as tools go, we should take a look at mathematical objects that impose constraints over our images, cameras, and the scene.
Two very useful mathematical objects are the fundamental matrix (denoted by F) and the essential matrix (denoted by E). They are mostly similar, except that the essential matrix is assuming usage of calibrated cameras; this is the case for us, so we will ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.