The results of a previous paper (Opt. Acta vol. 30, p. 1043-9, 1983), in which resolution limits
were calculated for particle-size distributions determined from Fraunhofer diffraction data …

Superresolution concepts offer the potential of resolution beyond the classical limit. This
great promise has not generally been realized. In this study we investigate the potential …

The discrete Poisson transformation involved in finite Poisson mixtures arises in many
applications, for example in relating observed fluctuations in photon counts to unobserved …

La solution des problèmes inverses en traitement du signal et de l'image est souvent définie
comme le minimiseur d'un critère pénalisé qui prend en compte conjointement les …

Maximum-entropy techniques, which have been successfully used to reconstruct a function
based on knowledge of a limited number of linear functional values, are extended to a family …

Those of us old enough to have first studied linear algebra in the 1960's remember a course
devoted largely to proofs, devoid of applications and computation, full of seemingly endless …

In weak scattering diffraction tomography, there is a well-known Fourier relationship
between the field scattered by an unknown object and the scattering potential that …

Under the sponsorship of the US Army's National Ground Intelligence Center (NGIC),
researchers at U. Mass. Lowell's Submillimeter-Wave Technology Laboratory (STL) and …

A First Course in Optimization Page 1 A First Course in Optimization Charles L. Byrne
Department of Mathematical Sciences University of Massachusetts Lowell Lowell, MA 01854 …

The problem of signal recovery from incomplete data is investigated in the context of phase-
space tomography. Particular emphasis is given to the case where only a limited number …