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Practical OpenCV by Samarth Brahmbhatt

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CHAPTER 9

image

Affine and Perspective Transformations and Their Applications to Image Panoramas

In this chapter you will learn about two important classes of geometric image transformations—Affine and Perspective—and how to represent and use them as matrices in your code. This will act as base knowledge for the next chapter, which deals with stereo vision and a lot of 3D image geometry.

Geometric image transformations are just transformations of images that follow geometric rules. The simplest of geometric transformations are rotating and scaling an image. There can be other more complicated geometric transformations, too. Another property of these ...

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