June 2015
Intermediate to advanced
592 pages
17h 5m
English
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Chapter 4. Motion Estimation
Motion estimation refers to estimating 2D image-plane motion (correspondence or optical flow) or 3D motion (object motion or pose). It is a fundamental problem in video processing (motion-compensated filtering/compression) and computer vision.
Video is a time-varying two-dimensional (2D) spatial-intensity pattern that is formed by projecting a three-dimensional (3D) dynamic scene into a 2D image plane. Temporal variations in the 2D intensity pattern are usually due to relative 3D motion between a camera and objects in the scene. This chapter presents 3D models (in most cases, simplistic ones) for relative motion between a camera and a rigid (static) scene and 2D models for temporal variations of spatial-intensity ...
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