Geometric Transforms: Affine vs Perspective (Homography)

Computer Vision Mastery 19 min min read Updated: Mar 03, 2026 Intermediate
Geometric Transforms: Affine vs Perspective (Homography)
Intermediate Topic 6 of 8

Geometric Transforms: Affine vs Perspective (Homography)

Affine

Rotation, translation, scaling; preserves parallel lines.

Perspective

Models viewpoint changes; critical in document scanning.

Consistency

Keep the same transform logic in train and inference.

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