Abstract
Dynamic scene analysis systems extract information about surfaces and their motion characteristics from a sequence of images representing the scene, acquired using a camera which may itself be moving. Though motion helps segmentation, dynamic scene analysis systems have to work with a very large volume of data. A real-time system for the extraction of moving surfaces and the computation of the motion characteristics of the surfaces will require a special architecture and special data structures [19.1, 2]. Pyramidal data structures allow the planning and computation of some properties of pictures to be performed at lower resolutions [19.3–12]. In some cases, one may use a pyramidal organization of processors to compute some properties on the fly [19.13]. In this paper, we present a scheme for pyramidal, real-time region matching in a dynamic scene analysis system, and then discuss some algorithms for the pyramid machine.
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