Exercise:Vectorization

From Ufldl

Jump to: navigation, search
Line 29: Line 29:
  patches = first 10000 images from the MNIST dataset
  patches = first 10000 images from the MNIST dataset
-
After 400 iterations of updates using minFunc, your autoencoder should have learned features that resemble pen strokes. Our implementation takes around 25-30 minutes on a fast machine. Visualized, the features should look like in the following image:
+
After 400 iterations of updates using minFunc, your autoencoder should have learned features that resemble pen strokes. Our implementation takes around 15-20 minutes on a fast machine. Visualized, the features should look like in the following image:
[[File:mnistVectorizationEx.png|400px]]
[[File:mnistVectorizationEx.png|400px]]

Revision as of 02:15, 29 April 2011

Personal tools