We present an open-source system for quickly searching large image collections by multiple colors given as a palette, or by color similarity to a query image.
A cloud-based mobile web application to match up users who request similar trips and would like to share a cab. The application is hosted on EC2 and combines several open-source frameworks with social networking and location-awareness APIs.
Summing over image pixels: numba is fast.
31 Jul 2013
A silly little comparison of a few different methods for computing the average pixel color of a masked image.
Storing numpy data in mongodb
09 Jul 2013
Showing that cPickle protocol=2 is fastest for storing numpy arrays into mongodb.
Setting up a development environment on Mac OS X 10.8 Mountain Lion
08 Aug 2012
Concise notes on setting up a development environment on OS X 10.8 for statistical computing and web development.
Attentional Object Detection: introductory slides
24 Mar 2011
Motivation for and some lit review related to the idea of attentional object detection–not looking for everything everywhere.
Self-organizing sparse codes: VS 265 course project - [pdf]
12 Dec 2010
The biological motivation for sparse coding also suggests that the learned receptive field elements should be organized spatially. We investigate ways of enforcing a topography over the learned codes in a locally self-organizing map approach.
Jupiter album art recreation
16 Aug 2010
Recreation of a cool album cover image (Jupiter by Starfucker) using Processing.
- First Person Stories: a collection of tiny stories.
- Ghostporn: some electronic music.
- Eurotrip '09: a partial account of a "backpacking" trip to Western Europe I did before starting grad school.
- Best Coast Tour: the summer after my first year in grad school, a friend and I biked down from the Canadian border to San Francisco.
- : my old personal website.