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Emmanuel Pastor

Software polymath, application architect, code craftsman.

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Latest Articles


Having fun with Face Tracking

The next step in the BabyCam series is to be able to detect and track the baby's face so we can then do all the fun stuff like emotion and pulse detection, temperature measurement and so on.

A simple OpenCV program to access your webcam

Continuing our BabyCam series, the next step after installing OpenCV locally is to write a simple program to access the webcam and display the stream on screen.

Installing OpenCV on Mac OS X Mavericks with MacPorts

After finding out that OpenCV 2.4.7 has broken support for QTKit, which is used by default in Mac OS X for video I/O, and that Brew could not link the C libraries due to unrelated permission errors, I went ahead and gave MacPorts a shot.

Ruby Pro Tip: Short Circuit Assignment

How not to conditionally assign a variable.

Ruby on Rails Pro Tip: Multiple associations to the same model

This is the first post in a series focused on quick, easy to digest Ruby on Rails tips.

Installing OpenCV on Mac OS X Mavericks

OpenCV (Open Source Computer Vision Library) is a library of programming functions mainly aimed at real-time computer vision. This is the first research post under the BabyCam series.

The Baby Cam Project

It's official, there's no baby monitoring system that is geek enough for me out there, so I shall build the one!

Ruby 1.8.7 is officially dead

Just three days after getting it's last update (patch 374), the Ruby team has announced the sunset of Ruby 1.8.7

Rails 4.0 is out

Today the Rails core team has finally released the first stable version of Rails 4.0

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