Estimating the size of an object captured with error

Safet Hamedović (), Mirta Benšić (), Kristian Sabo () and Petar Taler ()
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Safet Hamedović: University of Zenica
Mirta Benšić: Josip Juraj Strossmayer University Osijek
Kristian Sabo: Josip Juraj Strossmayer University Osijek
Petar Taler: Josip Juraj Strossmayer University Osijek

Central European Journal of Operations Research, 2018, vol. 26, issue 3, No 16, 781 pages

Abstract: Abstract In many applications we are faced with the problem of estimating object dimensions from a noisy image. Some devices like a fluorescent microscope, X-ray or ultrasound machines, etc., produce imperfect images. Image noise comes from a variety of sources. It can be produced by the physical processes of imaging, or may be caused by the presence of some unwanted structures (e.g. soft tissue captured in images of bones). In the proposed models we suppose that the data are drawn from uniform distribution on the object of interest, but contaminated by an additive error. Here we use two one-dimensional parametric models to construct confidence intervals and statistical tests pertaining to the object size and suggest the possibility of application in two-dimensional problems. Normal and Laplace distributions are used as error distributions. Finally, we illustrate ability of the R-programs we created for these problems on a real-world example.

Keywords: Noisy image; Additive error; Maximum likelihood estimator; Uniform distribution; Normal distribution; Laplace distribution (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s10100-017-0504-9

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