Title

Concurrent algorithms and performance modeling for multi-spectral image fusion applications

Date of Award

12-2000

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Electrical Engineering and Computer Science

Advisor(s)

Stephen Taylor

Keywords

Multispectral imaging, Concurrent algorithms, Image fusion, Principal component trans

Subject Categories

Electrical and Computer Engineering | Graphics and Human Computer Interfaces

Abstract

The thesis presents a collection of novel concurrent algorithms and their associated analytical models. The algorithms combine spectral angle classification, the principal component transform, and human centered color mapping. They fuse a multi- or hyper-spectral image set into a single color composite image that maximizes the impact of spectral variation on the human visual system. To demonstrate the utility of the algorithms, they are evaluated from an image quality perspective using images collected from HYDICE sensor, a multi-spectral microscope, and image streams that emanate from a real-time, multi-spectral camera. The algorithms are supported with predictive analytical models that allow performance to be assessed for a wide variety of typical variations in use. For example, changes to the number of spectra, image resolution, processor speed, memory size, network bandwidth/latency, and granularity of decomposition. The motivation in building performance models is to assess the impact of changes in technology and problem size associated with different applications, allowing cost-performance tradeoffs to be assessed.

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