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Some openframeworks weekend hacking.
See
www.jesusgollonet.com/blog/2007/02/11/emulating-toshio-iwai/
fourth fm scan. still only 256 images.
the technique here is to use the previous steps as an initial guess for the properties of the sine wave at each pixel, and then run levmar nonlinear optimization from those guesses to arrive at an ideal set of value.
i'm only showing the difference between this one and the previous, because the change is so subtle.
this takes about 15 minutes for 640x480x256 and may not be worth the added accuracy, but it's good to know it's an option.
Worked with O Cubo in creating an interactive floor for GNR (the portuguese national guard) as part of the celebrations for the centenary of the portuguese republic.
It allowed the visitors to look through several historical archive images.
The exhibition ran for 3 weeks during April at GNR's headquarters in Largo do Carmo, Lisbon.
It was created in C++ using OpenFrameworks with OpenCV and OpenGL
O Cubo: www.ocubo.com
10kx10k pixels, i can't go any bigger without crashing the app due to memory constraints.
flickr also doesn't want to let me upload anything bigger than 20 mb...
This activity was part of V&A half term activities celebrating the theatricality of the exhibition Diaghilev and the Golden Age of the Ballets Russes. Visitors were invited to experience a magic world of digital animal masks using the computers in our Digital Studio.
This installation by Hellicar&Lewis uses Openframeworks to create a system that appears to act as an augmented mask-making mirror.
The code is written to be both cross platform (PC, Mac, Linux, iPhone) and cross compiler.
The piece uses an Open Source library called OpenCV (Open Computer Vision) to track viewers faces, and augment the reflection with masks. In addition, the piece is audio reactive, which can be observed by an animation effect that happens when you make a noise. What kind of noise should
your animal mask make?
For more information, and other projects, see: hellicarandlewis.com
openFrameworks: