How to create an augmented reality app with QGLViewer, including some tips on camera calibration and extrinsic parameters from OpenCV to OpenGL.
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Hi I saw the stats for the blog a while ago and it seems that the augmented reality topic is hot! 400 clicks/day, that’s awesome! So I wanted to share with you my latest development in this field – cross compiling the AR app to the iPhone. A job that proved easier than I originally […]
Hi I have been playing around with NyARToolkit’s CPP implementation in the last week, and I got some nice results. I tried to keep it as “casual” as I could and not get into the crevices of every library, instead, I wanted to get results and fast. First, NyARToolkit is a derivative of the wonderful […]
Augmenting an image with 3D objects using Blender 2.9x
Years ago I wanted to implement PTAM. I was young and naïve 🙂 Well I got a few moments to spare on a recent sleepless night, and I set out to implement the basic bootstrapping step of initializing a map with a planar object – no known markers needed, and then tracking it for augmented […]
Using Perspective-N-Point to get the position and orientation of a human head, with basic OpenCV and OpenGL.
Hi, Just wanted to share a bit of code using OpenCV’s camera extrinsic parameters recovery, camera position and rotation – solvePnP (or it’s C counterpart cvFindExtrinsicCameraParams2). I wanted to get a simple planar object surface recovery for augmented reality, but without using any of the AR libraries, rather dig into some OpenCV and OpenGL code. […]
Hi Been working hard at a project for school the past month, implementing one of the more interesting works I’ve seen in the AR arena: Parallel Tracking and Mapping (PTAM) [PDF]. This is a work by George Klein [homepage] and David Murray from Oxford university, presented in ISMAR 2007. When I first saw it on […]
Hi Stuff I picked up on the web the last week: http://www.billshrink.com/blog/nexus-one-vs-iphone-droid-palm-pre-total-cost-of-ownership/ Compare the leading smartphones on the market http://www.techcrunch.com/2010/01/05/quantcast-mobile-web-apple-android/ Mobile web usage stats: iPhone 65%, Android 12%, RIM 9% http://gizmodo.com/5442217/the-invisible-oled-laptop-to-end-all-laptops A transparent screen – Cool? yes. Practical? Not so much. http://www.techcrunch.com/2010/01/06/augmented-reality-vs-virtual-reality/ Augmented reality is officially more popular than virtual reality. http://gizmodo.com/5439721/new-touchless-mobile-interface-could-eliminate-fingerprint-smudging-forever You don’t need […]
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Just links [Links of the week]
Hi Stuff I picked up on the web the last week: http://www.techcrunch.com/2009/12/21/world-map-social-networks/ Never tired of infographics: World map of social networks http://gizmodo.com/5429631/implausible-digital-forensics-in-tv-and-film-a-medley Awe-some and then some. Enhance. http://lifehacker.com/5431998/ribbit-app-delivers-voicemail-transcripts-to-your-iphone Give Ribbit credit for the bold stand in front of G-Voice. http://gizmodo.com/5428610/rumor-google-working-on-chrome-os+branded-netbook-with-one-secret-manufacturer A G netbook! That’s what we’ve been missing! Not. http://gizmodo.com/5428642/apple-patent-sees-you-computing-hands+free-in-3d 3D interface by Apple, based […]