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Geometric Transformations - University of Washington - geometric transformation rotation calculator
4/1/2011
What are geometric transformations?
Geometric Transformations
CSE P 576
Larry Zitnick (larryz@microsoft.com)
Translation Translation and rotation
1
4/1/2011
Scale Similarity transformations
Similarity transform (4 DoF) = translation + rotation
+ scale
Aspect ratio Shear
2
4/1/2011
Affine transformations What is missing?
Affine transform (6 DoF) = translation + rotation +
Canaletto
scale + aspect ratio + shear Are there any other planar transformations?
General affine Homogeneous coordinates
We already used these
One extra step:
How do we compute projective transformations?
3
Pdf INFO
Title: PowerPoint Presentation
Author: Larry Zitnick
Creator: Microsoft® PowerPoint® 2010
Producer: Microsoft® PowerPoint® 2010
CreationDate: Fri Apr 1 16:09:01 2011
ModDate: Fri Apr 1 16:09:01 2011
Tagged: yes
Form: none
Pages: 4
Encrypted: no
Page size: 540 x 720 pts (rotated 0 degrees)
File size: 378166 bytes
Optimized: no
PDF version: 1.5
