Monthly Archives: January 2015

Convolutional neural networks

Posted on January 24, 2015 by Jesse Johnson

Neural networks have been around for a number of decades now and have seen their ups and downs. Recently they’ve proved to be extremely powerful for image recognition problems. Or, rather, a particular type of neural network called a convolutional … Continue reading →

Posted in Classification, Feature extraction | 3 Comments

Precision, Recall, AUCs and ROCs

Posted on January 5, 2015 by Jesse Johnson

I occasionally like to look at the ongoing Kaggle competitions to see what kind of data problems people are interested in (and the discussion boards are a good place to find out what techniques are popular.) Each competition includes a way … Continue reading →

Posted in Classification | 3 Comments