filtering images

[dicook]

I used this data to create a kaggle challenge for my students last semester (https://www.kaggle.com/c/pictionary/leaderboard). There are some disturbing images that people have drawn: swatikas, penises, ... These emerged after examining the misclassified images from the classification model built to separate kangaroo, crab, banana, boomerang, cactus and flip flops. It might be useful to filter the dataset to remove these.