1995
DOI: 10.1364/josaa.12.000834
|View full text |Cite
|
Sign up to set email alerts
|

Objective assessment of image quality II Fisher information, Fourier crosstalk, and figures of merit for task performance

Abstract: Figures of merit for image quality are derived on the basis of the performance of mathematical observers on specific detection and estimation tasks. The tasks include detection of a known signal superimposed on a known background, detection of a known signal on a random background, estimation of Fourier coefficients of the object, and estimation of the integral of the object over a specified region of interest. The chosen observer for the detection tasks is the ideal linear discriminant, which we call the Hote… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2
1
1

Citation Types

2
189
0

Year Published

2003
2003
2023
2023

Publication Types

Select...
6
2

Relationship

0
8

Authors

Journals

citations
Cited by 215 publications
(191 citation statements)
references
References 27 publications
2
189
0
Order By: Relevance
“…Consequently, trends inferred from Fig. 4 are valid for Poisson noise in which estimator efficiency is only achieved asymptotically [36]. Furthermore, if Gaussian noise described by Eq.…”
Section: Resultsmentioning
confidence: 64%
See 1 more Smart Citation
“…Consequently, trends inferred from Fig. 4 are valid for Poisson noise in which estimator efficiency is only achieved asymptotically [36]. Furthermore, if Gaussian noise described by Eq.…”
Section: Resultsmentioning
confidence: 64%
“…It is interesting to note that J D ∝ 1/ν 2 0 . The increase in Fisher information (and associated increase in system accuracy) with lower frequencies arises since this corresponds to more collected photons for a given intensity which, as discussed in [36], corresponds to more independent samples of the stochastic variables. Bayesian FIMs can be 2 Assuming unity quantum efficiency for simplicity.…”
Section: A Noise Models and Fisher Informationmentioning
confidence: 99%
“…Barrett et al [8] derived figures of merit for image quality based on the performances of computer observers on specific detection and estimation tasks. Kijewski et al investigated the effects of SPECT collimator sensitivity [9] and system geometry [10] on several estimation tasks.…”
mentioning
confidence: 99%
“…(9) can also be obtained from the asymptotic property of the ML estimator [6]. It is known that the ML estimator is asymptotically efficient and unbiased [9].…”
Section: B Lesion Detectabilitymentioning
confidence: 99%
“…Their effect depends on the specific application of the system. For some tasks these non-zero values can even be helpful (see [6] for more discussions).…”
Section: A Comparison Of Fisher Informationmentioning
confidence: 99%