SciPy - Image Processing (scipy.ndimage)
Which of these filters is best suited for detecting edges in all directions equally?
Which of these filters is best suited for detecting edges in all directions equally?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Compare filter properties
Sobel detects edges mainly in horizontal or vertical directions, while Laplace detects edges in all directions equally.Step 2: Identify filter for all-direction edge detection
Laplace filter uses second derivatives and is isotropic, detecting edges regardless of direction.Final Answer:
Laplace filter -> Option CQuick Check:
All-direction edge detection = Laplace filter [OK]
Quick Trick: Laplace detects edges in all directions equally [OK]
Common Mistakes:
- Assuming Sobel detects all directions
- Confusing Gaussian smoothing with edge detection
- Thinking median filter detects edges
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