Image Processing: Pixel Index and Grayscale Regions
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Questions and Answers

What does LCD stand for in the context of computer graphics?

  • Light Code Display
  • Low Color Density
  • Liquid Crystal Display (correct)
  • Low Contrast Display

Which physical property of light does LCD utilize?

  • Refraction
  • Polarization
  • Reflection
  • Interference (correct)

What color does the photoreceptor responsible for sensing long wavelengths in human eyes detect?

  • Yellow
  • Red (correct)
  • Green
  • Blue

In a perspective camera, what happens when you decrease the field-of-view (fov)?

<p>You will see less details of each object on the film plane (B)</p> Signup and view all the answers

Which set of coordinates is equivalent to homogeneous coordinates [2, 3, 4, 2]?

<p>[2, 3, 4, 1] (B)</p> Signup and view all the answers

What type of kernel is defined by the given 3x3 image convolution matrix?

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

Which technique involves converting continuous data to a discrete set of values in computer graphics?

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

What does random dithering aim to reduce in digital images?

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

Which process involves subdividing a polygonal mesh into smaller polygons to improve the smoothness of the surface?

<p>Loop's Subdivision (D)</p> Signup and view all the answers

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