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What is a common effect of applying a smoothing filter to an image?

easy📝 Conceptual Q2 of 15
SciPy - Image Processing (scipy.ndimage)
What is a common effect of applying a smoothing filter to an image?
AIt changes the image colors randomly
BIt sharpens edges in the image
CIt reduces noise and smooths details
DIt increases the image resolution
Step-by-Step Solution
Solution:

  1. Step 1: Define smoothing filter effect

    Smoothing filters reduce noise by averaging pixel values, making the image look smoother.

  2. Step 2: Check options against smoothing effect

    Smoothing does not sharpen edges, change colors randomly, or increase resolution.

  3. Final Answer:

    It reduces noise and smooths details -> Option C

  4. Quick Check:

    Smoothing filter effect = Noise reduction and smoothing [OK]
Quick Trick: Smoothing reduces noise, not sharpness [OK]
Common Mistakes:
  • Confusing smoothing with sharpening
  • Expecting color changes
  • Thinking it increases resolution

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