Chapter 10: Flashcards
1
Q
What is an affine transformation?
A
A transformation that does not break thelinearity of the picture.
2
Q
Name 4 affine transformation:
A
1) translation - moving the picture.
2) scaling
3) Rotation
4) shearing
3
Q
What is keystoning?
A
Making up for pictures that are wide at the top and narrow at the bottom.
4
Q
What is profile analysis?
A
A line is drawn in a picture and pixel values are plotted for each line position.
5
Q
What is homography?
A
Something that maps from one plane to another. E.g. a projector.
