Questions tagged [fastai]
Fastai is a deep learning library for Python. It is built on top of PyTorch, and provides high level API to various common deep learning applications and data types. For more information see: https://docs.fast.ai or https://github.com/fastai
8 questions with no upvoted or accepted answers
3
votes
1
answer
141
views
How to specify version for dependencies so that each one is compatible and stays within a size limit?
I am trying to deploy a web app to Heroku. The free tier is limited to 500 MB.
I am using my resnet34 model as a .pkl file.
I create model with it using the fastai ...
- 280
2
votes
0
answers
67
views
Improve performance of my CNN model
I am working on an image classification problem.
There are 876 images in the training and 600 in the test dataset.
It is a multi class classification for plants.
Since this is my first CNN problem, ...
1
vote
2
answers
105
views
Classification with a lot of the classes
I’m trying to make model which will classify text into about 500 different classes. I think that I have to customize architecture of the Pooling Classifier which looks now like this:
...
- 71
0
votes
0
answers
12
views
Why do all the resulting curves from my function combining N-many random ReLUs look like quadratics?
I've written a function that generates a sum of N-many RelU functions, with random slopes and activation points.
I was expecting these resulting functions to be arbitrary, random curves, but for some ...
0
votes
1
answer
52
views
Bad performance with CNN for basic image classification task
how are you doing?
I'm playing around with CNN in FastAI.
My model with 2 millions parameters only has around 80% accuracy. I also tried with Data normalization, Batch normalization, Label smoothing, ...
0
votes
0
answers
16
views
How to improve neural network for face classification?
I generated 700 1024x1024 images of female faces using an API. I labelled them either as attractive or unattractive.
The neural net should learn which face I find attractive and which not. But the ...
0
votes
1
answer
657
views
AttributeError: normalize fastai
I'm trying to use fastai to train a model however I get this error when I try to normalize my data using imagenet stats. After searching for a while, I can't find any valid substitute for this line.
...
- 65
0
votes
0
answers
65
views
From what function do come the gradients that I use to adjust weights?
I have a question about the loss function and the gradient.
So I'm following the fastai (https://github.com/fastai/fastbook) course and at the end of 4th chapter, I got myself wondering.
From what ...
