Large-scale inverse problems arise in a variety of significant applications in image processing, and efficient regularization methods are needed to compute meaningful solutions. This chapter surveys three common mathematical models including a linear, a separable nonlinear, and a general nonlinear model. Techniques for regularization and large-scale implementations are considered, with particular focus on algorithms and computations that can exploit structure in the problem. Examples from image deconvolution, multi-frame blind deconvolution, and tomosynthesis illustrate the potential of these algorithms. Much progress has been made in the field of large-scale inverse problems, but many challenges still remain for future research.
CITATION STYLE
Chung, J., Knepper, S., & Nagy, J. G. (2011). Large-Scale Inverse Problems in Imaging. In Handbook of Mathematical Methods in Imaging (pp. 43–86). Springer New York. https://doi.org/10.1007/978-0-387-92920-0_2
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