Study

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Across
  1. 1. A small matrix applied to a neighborhood of pixels.
  2. 6. Increasing edges and fine details in an image.
  3. 8. A mask or kernel used to modify pixel values.
  4. 11. An edge-preserving filter used in photography.
  5. 14. The difference in intensity between image regions.
  6. 15. The process of removing noise from an image.
  7. 17. A filter type that preserves edges using rules, not sums.
  8. 19. The process of improving image quality or appearance.
  9. 20. A second-derivative filter used for edge detection.
Down
  1. 2. Reducing noise by averaging pixel values.
  2. 3. Refers to working directly on the image’s pixel locations.
  3. 4. A nonlinear filter that removes salt-and-pepper noise.
  4. 5. A smoothing technique that reduces noise while keeping edges.
  5. 7. The area or space where image operations are applied.
  6. 9. A filter type where output is a weighted sum of inputs.
  7. 10. The smallest unit of a digital image.
  8. 12. A popular low-pass filter with a bell-shaped curve.
  9. 13. A first-order derivative filter that detects edges.
  10. 16. Describes how often pixel values change across space.
  11. 18. Random variations that degrade image quality.