Digital Radiographic Image Acquisition Systems Quiz
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Questions and Answers

What is the foremost difference between digital radiography and conventional radiography?

  • The dynamic range of the images
  • The resolution of the images
  • The technique of capture of the latent image (correct)
  • The method of post-processing

    • What is a disadvantage of digital radiography compared to conventional radiography?

  • Inability to perform edge enhancement
  • Difficulty in image acquisition
  • Limited dynamic range
  • Lower resolution (correct)

    • What is the principal component of a digital radiographic image acquisition system (DRIS)?

  • Digital detector (correct)
  • Analogue-to-digital converter (ADC)
  • Display unit
  • Processing unit

    • How are x-rays converted to electrical signals in digital radiography?

    <p>Using a digital detector</p> Signup and view all the answers

    What is the role of the analogue-to-digital converter (ADC) in digital radiography?

    <p>Converts electrical signals to digital data</p> Signup and view all the answers

    What is the role of an image matrix in digital imaging?

    <p>It is the array of discrete units that makes up the entire digital image</p> Signup and view all the answers

    What is the primary function of a pixel in digital imaging?

    <p>It is the square unit that forms the image matrix</p> Signup and view all the answers

    What is the difference between a pixel and a voxel in digital imaging?

    <p>A pixel is a 2D representation, while a voxel includes a third dimension</p> Signup and view all the answers

    What is the process of photostimulable luminescence in digital radiography?

    <p>Electrons absorb energy and move into f-zones upon exposure to x-ray photons</p> Signup and view all the answers

    How does the size of the image matrix affect image resolution in digital imaging?

    <p>The larger the matrix size, the better the image resolution</p> Signup and view all the answers

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