Monthly Archive: November 2010

Nov 28

Reading contacts in Android 2.0+

On one of my Android apps, I added a trivial option to select a contact from the phone's contact list. This was working fine until SDK version 5, which changed the way the contacts are represented in the phone's SQLite database. It is using the "newer" class called ContactsContract instead of the deprecated People class …

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Nov 22

Kinect and OpenCV 2.1

Screen shot

Hi Another quicky on how to use Kinect (libfreenect) with OpenCV 2.1. I already saw people do it, but havn't seen code. UPDATE (12/29): OpenKinect posted very good C++ code of using libfreenect with OpenCV2.X APIs: here it is. Plus, their git repo now has a very clean C code: here it is. So here …

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Nov 20

Hacking together a Kinect port

KINECT

Create a DIY Kinect USB & Power adapter.

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Nov 10

20-lines AR in OpenCV [w/code]

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. …

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