Lesson 2 In-Class Discussion ✅

[MaheshKhatri]

This may help.

[blog] Training Imagenet in 18 minutes with rectangular images

The latest fastai blog post is all about training Imagenet in 18 minutes. One of the things that helped them get to the target accuracy faster was, as long my understanding goes, training with the original aspect ratio of the image instead of a squared 224x224 resized image. The blog points to a notebook that compare the square approach vs the rectangular one. Unfortunately I couldn’t understand what one should do to train with the original aspect ration in fastai by just reading the code. Ha…