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Titolo:
APPLYING FUZZY SET APPROACH TO SIGNAL-DETECTION-THEORY
Autore:
CHEN T; WANG MJJ;
Indirizzi:
NATL TSING HUA UNIV,DEPT IND ENGN HSINCHU 300 TAIWAN NATL TSING HUA UNIV,DEPT IND ENGN HSINCHU 300 TAIWAN
Titolo Testata:
Fuzzy sets and systems
fascicolo: 1, volume: 72, anno: 1995,
pagine: 39 - 49
SICI:
0165-0114(1995)72:1<39:AFSATS>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Keywords:
SIGNAL DETECTION THEORY; LINGUISTIC MODELING; MEASURE OF FUZZINESS; RECEIVER OPERATING CHARACTERISTIC CURVE; DEFUZZIFICATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
CompuMath Citation Index
CompuMath Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
5
Recensione:
Indirizzi per estratti:
Citazione:
T. Chen e M.J.J. Wang, "APPLYING FUZZY SET APPROACH TO SIGNAL-DETECTION-THEORY", Fuzzy sets and systems, 72(1), 1995, pp. 39-49

Abstract

The fuzzy set theory is applied to the Signal Detection Theory to develop a new approach called the Fuzzy Signal Detection Theory (FSDT). First, linguistic variables are provided for the observer to describe his belief about the presence of a signal. Then, based on the assumptions that the judgment criterion (X(c)) and sensitivity (d') are both fuzzy, we use fuzzy integration to derive their membership functions, and thus give a more reasonable description of the signal detection mechanism. Further, a new index called the stability is proposed to investigate the consistency property of human judgment. It can be used as a selection criterion for signal detection personnels. Finally, some defuzzification operations are performed to put these results into use, and to develop a new tool for system comparison, i.e. the Fuzzy Receiver Operating Characteristic (FROG) curve. The fuzzy set approach is found to be more efficient and effective than the traditional ROC curve.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/08/20 alle ore 21:15:55