Abstract
Everyone faces decision-making problems at each step of his or her life. A timely decision of high quality can spell the difference between success and failure. In a decision-making scenario, observations regarding a certain phenomenon are available and one needs to select a particular course of action from several possibilities. Such problems arise in many applications. For example, in a radar detection context, a decision is to be made regarding the presence or absence of a target based on the radar return. In a digital communication system, one of several possible waveforms is transmitted over a channel. Based on the received noisy observation, we need to determine the symbol that was transmitted. In a biomedical application, based on a smear of human tissue, one needs to determine if it is cancerous. In a pattern recognition problem, one needs to determine the type of aircraft being observed based on some aircraft features. In all of the above applications, the common underlying problem is to make a decision among several possible choices. This is carried out based on available noisy observations. The branch of statistics dealing with these types of problems is known as statistical decision theory or hypothesis testing, [1-2]. In the context of radar and communication theory, it is known as detection theory, [3-6].
The quality of decision is like the well-timed swoop of a falcon which enables it to strike and destroy its victim
Sun Tzu (6th-5th century B. C.), Chinese general
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References
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© 2002 Springer Science+Business Media Dordrecht
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Varshney, P.K. (2002). An Introduction to Distributed Detection Theory. In: Hyder, A.K., Shahbazian, E., Waltz, E. (eds) Multisensor Fusion. NATO Science Series, vol 70. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0556-2_6
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DOI: https://doi.org/10.1007/978-94-010-0556-2_6
Publisher Name: Springer, Dordrecht
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