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Which data type can imshow directly display as an image?

easy📝 Conceptual Q2 of 15
Matplotlib - Image Display
Which data type can imshow directly display as an image?
AA Python list of strings
BA 2D numpy array representing pixel intensities
CA single integer value
DA dictionary of key-value pairs
Step-by-Step Solution
Solution:
  1. Step 1: Identify valid input types for imshow

    imshow expects 2D arrays (or 3D for color) representing pixel data.
  2. Step 2: Eliminate invalid types

    Lists of strings, single integers, or dictionaries cannot represent image pixels directly.
  3. Final Answer:

    A 2D numpy array representing pixel intensities -> Option B
  4. Quick Check:

    imshow input = 2D array [OK]
Quick Trick: Use 2D arrays for grayscale images in imshow [OK]
Common Mistakes:
  • Trying to display non-numeric data
  • Passing single numbers instead of arrays
  • Using unsupported data structures

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