What is interpolation in image processing?

Related questions

1. What is perspective transform?
2. What aspect ratio is my screen?
3. How does nearest Neighbour interpolation work?
4. Why KNN algorithm is used?
5. What is a Nearest Neighbor algorithm?
6. What is perspective view in computer graphics?
7. Why KNN is lazy algorithm?
8. Does bilinear interpolation work?
9. What is bilinear interpolation in image processing?
10. What is interpolation in OpenCV?

Tags

1. #pixels
2. #detail
3. #works
4. #using
5. #resizing
6. #unknown
7. #occurs
8. #known
9. #refers
10. #zooming
11. #increase
12. #resize
13. #pixel
14. #image
15. #values
16. #distort
17. #estimate
18. #interpolation
19. #another
20. #points
21. #quantity