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

Which type of learning uses data with labels for training?

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

What are some examples of tasks in supervised learning?

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

What is the main goal of supervised learning?

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

Which task is an example of supervised learning?

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

What type of data is used in unsupervised learning?

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

In unsupervised learning, what is the goal?

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

Which method is used for feature learning?

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

What is an example of a task in supervised learning?

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

Which technique is used for density estimation?

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

What does supervised learning use that unsupervised learning does not?

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

What is the main focus of unsupervised learning?

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

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

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

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

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

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

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

What is a primary goal of semantic segmentation?

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

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

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

What is the main purpose of k-means clustering?

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

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

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

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

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

What task is an example of unsupervised learning?

<p>Clustering (C)</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 (B)</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 (C)</p> Signup and view all the answers

Which type of task is an example of supervised learning?

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

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