Monthly Archive: May 2009

May 31

Porting Rob Hess's SIFT impl. to Java

beavers_sift

This is a Java port of Rob Hess' implementation of SIFT that I did for a project @ work. However, I couldn't port the actual extraction of SIFT descriptors from images as it relies very heavily on OpenCV. So actually all that I ported to native Java is the KD-Tree features matching part, and the …

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May 16

More than Technical now on Twitter

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  For those who wish to follow us on twitter, you may follow our new twit www.twitter.com/morethantech

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May 14

Combining Java's BufferedImage and OpenCV's IplImage

java_opencv

Hi I recently did a small project combining a Java web service with a OpenCV processing. I tried to transfer the picture from Java environment (as BufferedImage) to OpenCV (IplImage) as seamlessly as possible. This proved a but tricky, especially the Java part where you need to create your own buffer for the image, but …

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May 06

iPhone camera frame grabbing and a real-time MeanShift tracker

i_can_has_meanshift

Hi Just wanted to report on a breakthrough in my iPhone-CV digging. I found a true realtime frame grabber for the iPhone preview frame (15fps of ~400x300 video), and successfully integrated this video feed with a pure C++ implementation of the MeanShift tracking algorithm. The whole setup runs at realtime, under a few constraints of …

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May 01

Tracing wild rays

3-wince

Hi I havn't published in a while. I was back up with work on a project for uni., work and my writing... But the good thing with keeping busy, is that after a while - you have something to show for! So here's what i've been working on for Comp. Graphics course - A Ray …

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