AIS412 Lecture 14: Generative Models
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Questions and Answers

Which type of unsupervised learning includes PixelRNN, PixelCNN, Variational Autoencoders, and Generative Adversarial Networks?

  • Dimensionality reduction
  • Generative Models (correct)
  • Association rule learning
  • Clustering
  • In supervised learning, what does the 'y' represent in the data (x, y)?

  • Training error
  • Data point
  • Feature vector
  • Data label (correct)
  • Which type of learning aims to learn a function to map input data to its corresponding label?

  • Reinforcement learning
  • Unsupervised learning
  • Semi-supervised learning
  • Supervised learning (correct)
  • What is the primary goal of unsupervised learning?

    <p>Generate new data samples</p> Signup and view all the answers

    Which type of learning uses data with labels for training?

    <p>Supervised learning</p> Signup and view all the answers

    What are some examples of tasks in supervised learning?

    <p>Image captioning and semantic segmentation</p> Signup and view all the answers

    What is the main goal of supervised learning?

    <p>Learn a function to map x -&gt; y</p> Signup and view all the answers

    Which task is an example of supervised learning?

    <p>Object detection</p> Signup and view all the answers

    What type of data is used in unsupervised learning?

    <p>Only x data, no labels</p> Signup and view all the answers

    In unsupervised learning, what is the goal?

    <p>Learn some underlying hidden structure of the data</p> Signup and view all the answers

    Which method is used for feature learning?

    <p>Autoencoders</p> Signup and view all the answers

    What is an example of a task in supervised learning?

    <p>Regression</p> Signup and view all the answers

    Which technique is used for density estimation?

    <p>(x) Just data, no labels</p> Signup and view all the answers

    What does supervised learning use that unsupervised learning does not?

    <p>(x, y) pairs</p> Signup and view all the answers

    What is the main focus of unsupervised learning?

    <p>Learning some underlying hidden structure of the data</p> Signup and view all the answers

    Which technique helps in reducing the number of features in unsupervised learning?

    <p>Dimensionality reduction</p> Signup and view all the answers

    Which generative model technique focuses on sequentially modeling the distribution of image pixels?

    <p>PixelRNN</p> Signup and view all the answers

    In unsupervised learning, which technique allows the generation of new data points from an existing dataset?

    <p>Generative Adversarial Networks (GAN)</p> Signup and view all the answers

    Which technique in generative models involves encoding input data into a lower-dimensional representation and then decoding it back to the original form?

    <p>Variational Autoencoders (VAE)</p> Signup and view all the answers

    Which generative model technique is designed to capture the spatial dependencies among the image pixels?

    <p>PixelCNN</p> Signup and view all the answers

    What is the primary goal of supervised learning, where the data comprises pairs of input data and corresponding labels?

    <p>To learn a function to map input data to its corresponding label</p> Signup and view all the answers

    Which type of learning involves reducing the dimensionality of input data without using labeled outputs for guidance?

    <p>Unsupervised learning</p> Signup and view all the answers

    What is a primary goal of semantic segmentation?

    <p>Object detection</p> Signup and view all the answers

    Which type of learning focuses on learning hidden structures from data without labels?

    <p>Density estimation</p> Signup and view all the answers

    What is the main purpose of k-means clustering?

    <p>Clustering</p> Signup and view all the answers

    What is the main focus of Autoencoders in the context of unsupervised learning?

    <p>Feature learning</p> Signup and view all the answers

    In the context of supervised learning, what does 'y' represent in the data (x, y)?

    <p>Label or output</p> Signup and view all the answers

    Which method is primarily used for reducing the dimensionality of data?

    <p>Principal Component Analysis</p> Signup and view all the answers

    What task is an example of unsupervised learning?

    <p>Clustering</p> Signup and view all the answers

    Which type of learning aims to learn a function to map input data to its corresponding label?

    <p>Supervised learning</p> Signup and view all the answers

    What is the primary goal of density estimation in unsupervised learning?

    <p>Estimating probability distribution of the data</p> Signup and view all the answers

    Which type of task is an example of supervised learning?

    <p>Regression</p> Signup and view all the answers

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