Category Archive: work

Jun 21

OMG CMake/OpenCV3 can you be more difficult? Linking order problems with OpenNI2...

Solving linking order issue with OpenCV and OpenNI in CMake.

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Jun 24

Simple ATTiny85 USB board

IMG_20140623_121908_fix

Process of creating a USB-enabled simple circuit with an ATTiny85.

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Dec 27

2D curve matching in OpenCV [w/ code]

Matching 2D curves in OpenCV by analysis of curvature signatures, which makes the method robust to rigid transformation but also noise and heave occlusion.

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Jun 16

Getting all the links from a MediaWiki format using PyParsing

Hi, Just sharing a snippet of code. Part of a project I'm doing, I need to analyse the links in the Wikipedia corpus. While using the API is one solution, it doesn't retain the order of where links appear in the page. It also returns links that are not part of the main text, which …

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Jun 08

UnderGet – Download blocked content

060811_1439_UnderGetDow1.png

Ever wanted to try and download an mp3 file at your workplace, but couldn't because corporate firewall policy was to block every url ending with the .mp3 prefix?

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Dec 28

Hand gesture recognition via model fitting in energy minimization w/OpenCV

Screen shot 2010-12-25 at 10.50.41 AM

Hi Just wanted to share a thing I made - a simple 2D hand pose estimator, using a skeleton model fitting. Basically there has been a crap load of work on hand pose estimation, but I was inspired by this ancient work. The problem is setting out to find a good solution, and everything is …

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Jan 29

Stream your favorite radio station to your workplace

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I want to suggest a trick that worked for me. My work place blocks most of the popular radio stations stream sites in my country. I can understand why they're doing that, but hey – if you want to save bandwidth I suggest you block YouTube (not that I complain…) Well, I thought of a …

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Dec 14

Extending Justin Talbot's GrabCut Impl [w/ code]

Justin Talbot has done a tremendous job implementing the GrabCut algorithm in C [link to paper, link to code]. I was missing though, the option to load ANY kind of file, not just PPMs and PGMs. So I tweaked the code a bit to receive a filename and determine how to load it: use the …

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Jul 30

First steps in Android programming

Last week I finished my first Android application. All through the development stage I had to Google a lot for examples which some were really hard to find (even though you can find reference for everything in the SDK, for me, it's easier to understand from a code sample). My mobile company allows you to …

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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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