Date of Award
Electrical and Computer Engineering
Sid-Ahmed, M. A.,
Engineering, Electronics and Electrical.
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In this dissertation, architectures, hardware design and prototypes for the realization of 2-D filters are presented. These filtering architectures are capable of attaining real-time processing rates for advanced television systems and are economical in terms of hardware cost, fabrication cost, and power consumption. Sample-and-hold type realizations, operating on 2-D sampled data, based on the standard 2-D discrete-time transfer function H($z\sb1,z\sb2)$ are presented. Both IIR and FIR realizations are developed in terms of high-speed systolic architectures. The design process culminates in the development of a 2 x 2 recursive prototype. Instead of using the standard discrete-time transfer function it is also possible to develop 2-D filters based on a 2-D hybrid transfer function H(z,s) which involves both z-domain and s-domain variables. These are highly suitable for filtering a raster scanned image, which can be characterized as an input signal X(z,s), which is a function of these same two variables. Design considerations are presented which culminate in the development of a 1 x 1 recursive prototype. The sample-and-hold systolic architecture was employed together with switched-capacitor circuit techniques to develop a 2-D real-time switched-capacitor recursive filter. This type of filter features greater accuracy than a conventional analog circuit as well as advantages for VLSI implementation. In addition to presenting novel design methodologies for hardware prototypes, a novel function block approach for the SPICE simulation of 2-D modular systems with true 2-D data is provided. This approach will serve to greatly facilitate 2-D filter development and improve the efficiency of the design cycle.Dept. of Electrical and Computer Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1993 .K389. Source: Dissertation Abstracts International, Volume: 56-01, Section: B, page: 0423. Adviser: M. A. Sid-Ahmed. Thesis (Ph.D.)--University of Windsor (Canada), 1994.
Kaufman, Herbert Joseph., "Hardware realization of real-time two-dimensional IIR filters for broadcast TV images." (1994). Electronic Theses and Dissertations. 2273.