Deep Learning Concepts Recap
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Questions and Answers

Which framework has the highest ease of use?

  • All frameworks have the same ease of use
  • TensorFlow
  • PyTorch
  • Keras (correct)
  • What aspect differentiates deep learning from traditional machine learning in terms of feature engineering?

  • Deep learning uses automatic feature engineering. (correct)
  • Deep learning requires manual feature engineering.
  • Both methods require extensive feature engineering.
  • Traditional ML uses automatic feature engineering.
  • What is the primary programming language used in TensorFlow?

  • Java
  • JavaScript
  • Python (correct)
  • C++
  • Which deep learning framework is developed by Google Brain?

    <p>TensorFlow (D)</p> Signup and view all the answers

    Which of the following statements regarding the data requirements of deep learning is true?

    <p>Deep learning requires large datasets. (B)</p> Signup and view all the answers

    What type of graphs does PyTorch utilize?

    <p>Dynamic graphs (A)</p> Signup and view all the answers

    Which of the following statements is true about the computational needs of deep learning?

    <p>Deep learning requires higher computational power. (A)</p> Signup and view all the answers

    In terms of model complexity, how does deep learning compare to traditional machine learning?

    <p>Deep learning models are more complex than traditional ML models. (A)</p> Signup and view all the answers

    Which feature does Keras primarily depend on?

    <p>Backbone frameworks (A)</p> Signup and view all the answers

    Which method is noted for having excellent handling of unstructured data?

    <p>Deep learning. (D)</p> Signup and view all the answers

    Which framework provides TensorBoard for visualization?

    <p>Both TensorFlow and PyTorch (C)</p> Signup and view all the answers

    What kind of community support does TensorFlow enjoy?

    <p>Very Large (B)</p> Signup and view all the answers

    How does the interpretability of models differ between traditional machine learning and deep learning?

    <p>Traditional ML models are generally more interpretable. (B)</p> Signup and view all the answers

    What is a key concept associated with TensorFlow?

    <p>Static and Dynamic execution (A)</p> Signup and view all the answers

    What is one of the primary advantages of deep learning in terms of scalability?

    <p>Deep learning is highly scalable. (C)</p> Signup and view all the answers

    Which of the following historical milestones is associated with the concept of backpropagation?

    <p>1986: Hinton, Rumelhart, and Williams publish a paper. (A)</p> Signup and view all the answers

    What is a primary cause of overfitting in a deep learning model?

    <p>Too many model parameters relative to training data (D)</p> Signup and view all the answers

    Which technique is used to promote sparsity in a model during training?

    <p>L1 Regularization (Lasso) (D)</p> Signup and view all the answers

    What visual method can help detect whether a model is overfitting or underfitting?

    <p>Learning curves (A)</p> Signup and view all the answers

    How does underfitting manifest in a model's performance?

    <p>Low accuracy on both training and validation data (B)</p> Signup and view all the answers

    Which factor is essential for balancing model complexity with generalization?

    <p>Adequate feature representation (A)</p> Signup and view all the answers

    What does L1 Regularization add to the loss function to control model complexity?

    <p>The absolute value of weights (B)</p> Signup and view all the answers

    Which issue is likely responsible for a model displaying high accuracy on training data but low accuracy on validation/test data?

    <p>Model overfitting (D)</p> Signup and view all the answers

    What could be a primary consequence of using a model that is adjusted for resource-constrained devices in IoT?

    <p>Reduced model size and energy consumption (C)</p> Signup and view all the answers

    What is a primary limitation of gradient descent?

    <p>It is prone to overfitting, especially with small datasets. (A)</p> Signup and view all the answers

    Which operation in CNNs helps to reduce the size of feature maps while enhancing computational efficiency?

    <p>Pooling operation (D)</p> Signup and view all the answers

    What is the main purpose of the convolution operation in CNNs?

    <p>To apply filters that learn spatial hierarchies of features. (B)</p> Signup and view all the answers

    Which of the following is true about the architecture of LeNet?

    <p>It consists of two convolutional layers and two fully connected layers. (D)</p> Signup and view all the answers

    What key advantage do convolutional neural networks offer over traditional neural networks?

    <p>They can adaptively learn spatial hierarchies of features from input images. (C)</p> Signup and view all the answers

    What does the term 'stride' refer to in the context of CNNs?

    <p>The movement of the filter during the convolution operation. (B)</p> Signup and view all the answers

    Which CNN architecture is known for utilizing small $3x3$ convolution filters and great depth?

    <p>VGGNet (D)</p> Signup and view all the answers

    In which of the following applications are CNNs particularly effective?

    <p>Image classification (A)</p> Signup and view all the answers

    What is a significant advantage of edge devices in terms of data processing?

    <p>They provide real-time, low-latency processing. (D)</p> Signup and view all the answers

    Which characteristic is true regarding the storage capabilities of edge and cloud systems?

    <p>Edge systems typically have limited storage capacity. (B)</p> Signup and view all the answers

    How does Federated Learning primarily differ from traditional machine learning?

    <p>It trains models across decentralized devices. (C)</p> Signup and view all the answers

    What is a primary consideration when comparing edge and cloud in terms of cost structure?

    <p>Cloud has higher ongoing costs due to potential data transfer. (C)</p> Signup and view all the answers

    Which of the following frameworks is specifically intended for edge AI?

    <p>TensorFlow Lite (C)</p> Signup and view all the answers

    What is a common deployment challenge associated with edge devices?

    <p>They often require complex deployment processes. (B)</p> Signup and view all the answers

    Which hardware accelerator is NOT specifically mentioned for edge devices?

    <p>AMD Ryzen (D)</p> Signup and view all the answers

    Which of the following statements about energy efficiency is true regarding edge and cloud computing?

    <p>Edge can be more energy-efficient for local processing. (B)</p> Signup and view all the answers

    What is a key aspect of fine-tuning the ResNet50 model?

    <p>Custom layers are added on top for the specific classification task. (A)</p> Signup and view all the answers

    Which step is NOT necessary when deploying a Flask API for the model?

    <p>Create a GUI for user interaction. (C)</p> Signup and view all the answers

    What must be considered for cloud deployment of the trained model?

    <p>Follow the specific instructions for the chosen cloud platform. (A)</p> Signup and view all the answers

    Which of the following is a resource constraint in IoT environments?

    <p>Limited memory for device operations. (C)</p> Signup and view all the answers

    What is the purpose of model pruning in deep learning?

    <p>To remove unnecessary weights and neurons to reduce model size. (C)</p> Signup and view all the answers

    Which of the following is a challenge when applying deep learning to IoT?

    <p>Bandwidth limitations and intermittent connectivity. (D)</p> Signup and view all the answers

    What is an essential consideration during the deployment of a machine learning model for production use?

    <p>Implementing proper error handling and logging. (A)</p> Signup and view all the answers

    In the context of deep learning for IoT, what does environmental factor refer to?

    <p>It encompasses the conditions sensors operate in. (D)</p> Signup and view all the answers

    Flashcards

    Deep Learning Optimizers

    Optimizers like Adam and RMSprop improve the gradient descent process to find optimal weights for a neural network more efficiently.

    Regularization Techniques

    Techniques like dropout and batch normalization prevent overfitting by introducing randomness and normalization during training, leading to better generalization.

    Deep Learning Libraries

    These libraries (TensorFlow, Theano, PyTorch, MxNet, Keras) provide building blocks and tools for constructing and training deep learning models.

    Traditional ML vs. DL: Feature Engineering

    Traditional ML focuses on handcrafted features for training, while DL extracts features automatically from data.

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    Traditional ML vs. DL: Data Requirements

    Traditional ML often requires smaller datasets, while Deep Learning thrives on massive amounts of data.

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    Traditional ML vs. DL: Computational Needs

    Deep Learning models, being more complex, often demand more computational resources than traditional ML models.

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    Traditional ML vs. DL: Model Complexity

    Traditional ML models are generally simpler and easier to understand, while Deep Learning models can be complex and opaque.

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    Traditional ML vs. DL: Unstructured Data Handling

    Deep Learning excels at handling unstructured data like images and text, while Traditional ML has limitations in this area.

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    Gradient Descent

    An optimization algorithm used to minimize the loss function of a neural network by adjusting its weights

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    Convolutional Neural Network (CNN)

    A type of neural network designed specifically for processing grid-like data like images.

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    Kernel/Filter (CNN)

    A small matrix that slides over input data, performing dot products to detect patterns.

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    Feature Map (CNN)

    The output of the convolution operation, representing detected features like edges or textures.

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    Pooling (CNN)

    A process that reduces the spatial size of feature maps, making computations more efficient and improving translation invariance.

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    LeNet (CNN)

    An early CNN architecture designed for recognizing handwritten digits. It has multiple convolutional and fully connected layers.

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    AlexNet (CNN)

    A deeper and more powerful CNN architecture that won the ImageNet competition in 2012. It consists of multiple convolutional and fully connected layers.

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    VGGNet (CNN)

    A CNN architecture known for its simplicity and depth. It uses small convolution filters and is available in several variants like VGG16 and VGG19.

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    Overfitting

    When a model is too complex and performs well on the training data but poorly on new data. This occurs when a model remembers the training data too well, limiting its ability to generalize to new, unseen examples.

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    Underfitting

    When a model is too simple and cannot learn the underlying patterns in the training data. The model struggles to perform well on both training and new data.

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    Learning Curve

    A graph showing training and validation errors over epochs, which helps identify overfitting or underfitting. A large gap between training and validation errors suggests overfitting.

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    Cross-Validation

    Using multiple subsets of the data to train and test a model, providing a more robust estimate of the model's generalization ability.

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    L1 Regularization

    A technique that adds the sum of absolute weights to the loss function, encouraging sparsity and potentially improving generalization.

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    L2 Regularization

    A technique that adds the sum of squared weights to the loss function. It helps prevent overfitting by discouraging large weight values.

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    Dropout

    A technique that involves setting a certain percentage of neurons to zero randomly during training, preventing the model from over-relying on specific neurons.

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    Batch Normalization

    A technique that normalizes the values of hidden layers in a neural network, helping to improve the stability and performance of training.

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    TensorFlow

    Google developed this framework, offering high performance and a vast community.

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    PyTorch

    Facebook's creation, known for its dynamic graphs and ease of use, often preferred for research.

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    Keras

    A high-level library built on top of other frameworks like TensorFlow, providing a user-friendly interface for building neural networks.

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    Tensors

    The mathematical representation of data in deep learning, enabling efficient computation.

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    Computational Graphs

    The sequence of computations performed in a deep learning model, representing the flow of information.

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    TensorBoard

    A powerful visualization tool that helps understand and debug deep learning models.

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    Pre-trained Models

    Pre-trained models ready for use, saving time and resources in development.

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    Resource Constraints in IoT

    Refers to the limited computational resources, memory, and energy requirements of devices in an IoT network.

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    Network Considerations in IoT

    Challenges related to bandwidth, latency, and intermittent connectivity, affecting data exchange between IoT devices and the cloud.

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    Data Handling in IoT

    Handling real-time data processing, ensuring data privacy and security, and managing data from various sources.

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    Scalability in IoT

    The ability to manage a large number of devices with diverse hardware and software specifications.

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    Environmental Factors in IoT

    The ability of IoT systems to function in harsh or unpredictable environments.

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    Pruning for Model Compression

    A model compression technique involving removing unnecessary weights and neurons to reduce model size, making it more suitable for resource-constrained environments.

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    Model Compression Techniques

    A model optimization technique for reducing the size of a deep learning model without losing significant accuracy, often used in resource-constrained environments.

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    Model Optimization in Deep Learning

    The process of adjusting model parameters to reduce the error between predicted outputs and actual target values, enabling the model to learn from data.

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    Context Awareness

    Edge devices can make decisions based on local information, which may not be known to a central system.

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    Edge Computing

    Processing and storing data closer to the source, often on the device itself, minimizing network latency.

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    Cloud Computing

    Processing and storing data in a centralized server, enabling large-scale analysis and resource sharing.

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    Federated Learning

    A machine learning technique that trains a model on decentralized data distributed across devices.

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    Code to Data Principle

    Bringing the code to the data, rather than the data to the code, in federated learning.

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    Federated Learning: Model Initialization

    A central server initializes a global model, and device models are trained locally.

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    Federated Learning: Model Updates

    Local models send their updates to the central server, which updates the global model.

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    Federated Learning: Model Dissemination

    The global model is distributed back to the devices for further training and use.

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    Study Notes

    Recap - Deep Learning Study Notes

    • This document is a recap of deep learning concepts, presented on 16/09/2024, by Chourouk Guettas.
    • It covers various aspects of deep learning, from fundamental concepts to advanced techniques and frameworks.
    • The document is organized into sections, each focusing on a specific topic within the broader field of deep learning.
    • The topics covered include: Deep Learning: The hype and why?, Neural Network Fundamentals, Deep Neural Network Architectures, Training Deep Neural Networks, Advanced Deep Learning Concepts, Deep Learning Frameworks and Tools, and Deep Learning for IoT.
    • The table of contents lists the specific subsections and page numbers for each topic, allowing easy navigation.
    • The document details deep learning principles, including its definition, historical context, comparisons with traditional machine learning, and various architectures like MLPs, CNNs, RNNs, and Autoencoders.
    • It also discusses training procedures, regularization techniques, hyperparameter adjustments, and advanced concepts like GANs and attention mechanisms.
    • Furthermore, it covers deep learning frameworks (e.g., TensorFlow, PyTorch, Keras) and deployment methodologies, including GPU acceleration and distributed training.
    • Finally, the document explores the application of deep learning in IoT, addressing challenges and optimization techniques relevant to this specialized domain.

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