Processing Pixels in Images

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Questions and Answers

How does a computer view images?

  • As a series of letters
  • As a matrix of numbers (correct)
  • As a network of lines
  • As a combination of shapes

How is a grayscale image represented in terms of pixels?

  • As a single number (correct)
  • As a three-dimensional structure
  • As a collection of symbols
  • As a series of colors

How is an RGB image represented to a computer?

  • Four separate images for different channels
  • One large grayscale image
  • Three concatenated two-dimensional images for red, green, and blue channels (correct)
  • A mix of numbers and letters

What types of machine learning tasks can be performed using image representation as matrices?

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

In regression, what type of output does the model predict?

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

What is the main goal in image classification?

<p>Predicting a single label for the image (D)</p> Signup and view all the answers

What is the main task of the classification pipeline in image classification?

<p>Identifying features unique to each class (C)</p> Signup and view all the answers

Why is it important for an image classification pipeline to understand unique differences in images?

<p>To classify images with high confidence (D)</p> Signup and view all the answers

How can leveraging domain knowledge help in image classification?

<p>By detecting specific features of a class (D)</p> Signup and view all the answers

What is the bottleneck faced with leveraging domain knowledge for image classification?

<p>Detecting noses, ears, and mouths accurately (A)</p> Signup and view all the answers

How does the detection of specific features contribute to accurate image classification?

<p>By providing confidence in classifying images (D)</p> Signup and view all the answers

What approach involves detecting features unique to a specific class for accurate classification?

<p>Leveraging domain knowledge (A)</p> Signup and view all the answers

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