Measuring contour degradation in natural image utility assessment: methods and analysis

2011 ◽  
Author(s):  
Guilherme O. Pinto ◽  
David M. Rouse ◽  
Sheila S. Hemami
Keyword(s):  
Assessment Methods ◽  
Natural Image ◽  
Utility Assessment ◽  
Image Utility

scholarly journals Image utility assessment and a relationship with image quality assessment

2009 ◽  
Author(s):  
David M. Rouse ◽  
Romuald Pepion ◽  
Sheila S. Hemami ◽  
Patrick Le Callet
Keyword(s):  
Image Quality ◽  
Quality Assessment ◽  
Image Quality Assessment ◽  
Utility Assessment ◽  
Image Utility

Patient participation in clinical decision-making for treatment of T3 laryngeal cancer: a comparison of state and process utilities.

1995 ◽  
Vol 13 (9) ◽  
pp. 2369-2378 ◽  
Author(s):  
J van der Donk ◽  
P C Levendag ◽  
A J Kuijpers ◽  
F H Roest ◽  
J D Habbema ◽  
...  
Keyword(s):  
General Population ◽  
Laryngeal Cancer ◽  
Treatment Modality ◽  
Clinical Decision Making ◽  
Rating Scale ◽  
Assessment Methods ◽  
Treatment Modalities ◽  
Individual Treatment ◽  
Health State ◽  
Utility Assessment

PURPOSE To study the use of two different approaches, and feasibility of four commonly used utility assessment methods to assess preferences for treatment of T3-laryngeal cancer by surgery or radiation therapy (RT). METHODS Utility assessment methods, namely, time trade-off (TTO), standard reference gamble (SRG), rating scale (RS), and direct comparison (DC), were used to assess utilities in two groups of former cancer patients (n = 10 for both), a group of clinicians (n = 9), and a group from the general population (n = 10). For the treatment modalities, ie, surgery and RT, two types of scenarios were developed and used: the state scenario, which describes a stable health state after treatment, and the process scenario, which describes a dynamic process. First, utilities were assessed based on state scenarios. Next, respondents were thoroughly informed and educated with respect to the relevant aspects of both treatment modalities. Subsequently, utilities were again assessed, but now based on the process scenarios. The outcome of each approach was calculated and expressed in a quality-adjusted life-expectancy (QALE) score for each treatment modality, and the treatment with the highest outcome was said to be the preferred treatment modality. RESULTS In general, a higher QALE score for each treatment modality was found for clinicians and for the general population as compared with the former-cancer-patient groups. When the outcome of both approaches was compared on an individual level dependent on the utility assessment method, 32% to 43% of respondents showed an inconsistent treatment preference. CONCLUSION The approach to assess utilities and the extent to which respondents are informed about treatment modalities have a major effect on individual treatment preferences.

scholarly journals State of the Art—Utility Assessment Methods

1984 ◽  
Vol 30 (11) ◽  
pp. 1283-1300 ◽  
Author(s):  
Peter H. Farquhar
Keyword(s):  
State Of The Art ◽  
Assessment Methods ◽  
Utility Assessment

Challenges to time trade-off utility assessment methods: when should you consider alternative approaches?

2014 ◽  
Vol 14 (3) ◽  
pp. 437-450 ◽  
Author(s):  
Kristina S Boye ◽  
Louis S Matza ◽  
David H Feeny ◽  
Joseph A Johnston ◽  
Lee Bowman ◽  
...  
Keyword(s):  
Assessment Methods ◽  
Utility Assessment ◽  
Trade Off ◽  
Alternative Approaches

Crew system assessment methods applied to derivative fighter cockpits

1983 ◽  
Author(s):  
Gilbert G. Kuperman ◽  
Richard W. Moss ◽  
Robert A. Bondurant
Keyword(s):  
Assessment Methods ◽  
System Assessment
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