self-supervised | Supervised Representation Learning Official | Machine Learning library
kandi X-RAY | self-supervised Summary
kandi X-RAY | self-supervised Summary
Whitening for Self-Supervised Representation Learning | Official repository
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Top functions reviewed by kandi - BETA
- Evaluate the model
- Evaluate the SSGD algorithm
- Get data from loader
- Evaluate the top k nearest neighbors
- Move the target by a given amount
- Update the target and head parameters
- Evaluate sgd algorithm
- Return a DataLoader for training
- Creates training image folder
- Augment crop
- Train data for training
- Train the dataset
- Train a training dataset
- Train the training dataset
- Parse command line options
- Return the method corresponding to the given name
- Load data loader
- Return the DS class given a name
- Get scheduler
- Evaluate kn
- Return data loader
self-supervised Key Features
self-supervised Examples and Code Snippets
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Trending Discussions on self-supervised
QUESTION
Self-supervised learning has been on the rise over the past few years. Compared to other learning methods such as supervised and semi-supervised, it does have an edge since it does not require labeled data.
I would like to know if self-supervised learning has any disadvantages and in what ways semi-supervised learning is better than it.
...ANSWER
Answered 2021-Sep-08 at 06:35I think that the best way to illustrate this problem is to cite the great Yann LeCun:
If intelligence is a cake, the bulk of the cake is unsupervised learning, the icing on the cake is supervised learning, and the cherry on the cake is reinforcement learning (RL).
The different types of ML can be very good or not depending on the case. For example, for robotics or autonomous driving problems, RL would be the ideal solution given the nature of these algorithms. However, for a recommender system or a stock price predictor, you could probably find better (and simpler) solutions in supervised and unsupervised learning.
Supervised learning is very different from supervised and unsupervised learning in that it needs to be defined in terms of agent, states, and environment, rather than simply data (and labels in the case of supervised learning). Therefore, you will need those elements and define the interactions between them very carefully to train a good and reliable system that, as I mentioned above, might not be the most optimal (or even feasible) solution for the problem you are trying to solve.
QUESTION
I am trying to adapt this COLA repo to my audio dataset which I have in a local folder. I mainly change file contrastive.py to adapt method _get_ssl_task_data() to my new database.
However, I get an error triggered from model.fit (which calls my model.train_step(data) method below). I tried to fix this error by modifying data shape inside train_step but without any success.
I am not sure if this is an error because of shape or data type incompatibility or because I need to add more things to adapt my graph. Does anyone please know what's wrong with my code ? how can I replace the use of tf.Tensor in my case if this is really the issue ?
Here's the content of contrastive.py:
...ANSWER
Answered 2020-Dec-04 at 01:03The prolem was simply because my preprocessing was returning an array instead of a tuple that is required in the graph. So, the solution was to use tensorflow dataset utils to create my entire pipeline from files. This is also more efficient and uses much less memory of course.
QUESTION
I have an multi-task encoder/decoder model in PyTorch with a (trainable) torch.nn.Embedding
embedding layer at the input.
In one particular task, I'd like to pre-train the model self-supervised (to re-construct masked input data) and use it for inference (to fill in gaps in data).
I guess for training time I can just measure loss as the distance between the input embedding and the output embedding... But for inference, how do I invert an Embedding
to reconstruct the proper category/token the output corresponds to? I can't see e.g. a "nearest" function on the Embedding class...
ANSWER
Answered 2020-Oct-25 at 17:19You can do it quite easily:
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