Processing Images as Two-Dimensional Matrices
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Questions and Answers

How does a computer view images?

  • As a single pixel
  • As a matrix of two-dimensional numbers (correct)
  • As a combination of letters
  • As a series of words

In an RGB image, how are the red, green, and blue colors represented?

  • As a combination of red, green, and blue pixels
  • As separate audio files
  • As three separate two-dimensional images (correct)
  • As one single-dimensional image

What is the main difference between classification and regression in machine learning?

  • The type of input they take
  • The type of output they predict (correct)
  • The color of the images they analyze
  • The size of the images they process

What types of tasks can be performed with the foundation of representing images as matrices?

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

Why do we concatenate three 2D matrices in RGB images?

<p>To represent different color channels (B)</p> Signup and view all the answers

What kind of value does regression output in machine learning?

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

What is the main goal of building a classification pipeline for image recognition?

<p>Identifying unique features in different classes of images (A)</p> Signup and view all the answers

How is image classification done using the detection of specific features?

<p>By detecting enough features unique to a specific class (A)</p> Signup and view all the answers

What is a bottleneck in using domain knowledge to detect human faces in an image?

<p>The preliminary detection pipeline (B)</p> Signup and view all the answers

Why is it important for the pipeline to understand unique differences in images of different classes?

<p>To correctly classify images into their respective classes (A)</p> Signup and view all the answers

What is one of the challenges with leveraging domain knowledge to detect human faces?

<p>Dependence on detecting noses, ears, and mouths (C)</p> Signup and view all the answers

In image classification, why is it essential to detect enough features specific to a class?

<p>To confidently classify an image into a particular class (E)</p> Signup and view all the answers

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