Across
- 2. What representation encodes boundary directions numerically?
- 4. What is obtained by subtracting the eroded image from the original?
- 8. What converts the boundary of a shape into a 1-D function?
- 10. What issue occurs when segmentation produces too many regions?
- 12. What method is used to detect object boundaries?
- 13. Which algorithm treats the image like a topographic map?
- 16. Which operator is widely used for edge detection?
- 17. What type of feature remains unchanged under rotation or scaling?
- 18. What is the smallest convex polygon enclosing a shape?
- 19. What is the process of dividing an image into meaningful parts?
- 21. What commonly causes skeletons to develop unwanted branches?
- 22. What representation approximates shapes using straight-line segments?
- 23. What operation is dilation followed by erosion?
Down
- 1. What segmentation structure uses recursive splitting and merging?
- 3. Which descriptor represents shape boundaries in the frequency domain?
- 5. Which thresholding method changes based on local variations?
- 6. What method groups pixels based on similarity?
- 7. What graph structure shows adjacency between segmented regions?
- 8. What medial-axis representation simplifies shape structure?
- 9. In which domain do Fourier descriptors operate?
- 11. What morphological operation is erosion followed by dilation?
- 14. What clustering method is commonly used for segmentation?
- 15. What region-based method starts from a seed point?
- 18. Which transform is used to detect lines and circles?
- 20. What technique uses pixel intensity cutoffs for segmentation?