Deep Learning Architectures
Deep learning architectures are crucial for advancing AI applications across various domains. This chapter discusses various types of neural networks, such as convolutional (CNNs), recurrent (RNNs), transformers, and generative adversarial networks (GANs), detailing their structures, learning mechanisms, and real-world applications. Additionally, it highlights key training techniques and performance considerations.
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1.3Parameters: Weights And Biases
What we have learnt
- Different architectures suit different types of data and tasks.
- CNNs dominate vision tasks; RNNs/LSTMs are for sequential data.
- Transformers outperform traditional models in NLP.
- GANs power synthetic data and generative media.
- Effective training depends on optimizer choice, regularization, and architecture tuning.
Key Concepts
- -- Deep Neural Networks (DNNs)
- Neural networks composed of multiple layers, enabling complex feature learning through the input, hidden, and output layers.
- -- Convolutional Neural Networks (CNNs)
- A class of deep learning architectures particularly effective for tasks like image classification and object detection due to their use of convolutional layers.
- -- Recurrent Neural Networks (RNNs)
- Neural networks designed to handle sequential data by maintaining memory of previous inputs, although they face issues like vanishing gradients.
- -- Long ShortTerm Memory (LSTM)
- An advanced type of RNN specifically designed to remember long-term dependencies and mitigate the vanishing gradient problem.
- -- Transformers
- A model architecture designed for handling sequential data with mechanisms like self-attention and parallel processing, making it effective in NLP tasks.
- -- Generative Adversarial Networks (GANs)
- A framework involving two neural networks, a generator and a discriminator, that compete against each other to produce realistic synthetic data.
- -- Backpropagation
- An algorithm used to update the weights of a neural network by calculating the gradient of the loss function.
- -- Regularization
- Techniques employed to prevent overfitting in models by adding penalties for large coefficients or using dropout methods.
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