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Stereovision: A model of human stereopsis

A model of the human stereopsis mechanism is presented. As foundation for the model lies a number of ideas that has arisen from redefining the correspondence problem. Instead of establishing potential matches by the detection and matching of some set of "predefined" features, e.g. edges (zero-crossings) or bars (peaks/throughs), matches are sought by comparing the overall configuration of contrast

Meson Properties in Partially Quenched Effective Field Theory

Popular Abstract in Swedish Masskorrektioner och sönderfallskonstanter för lätta mesoner har beräknats i kiral störningsteori med extra sjökvarkar. Beräkningarna för de laddade mesonmassorna har genomförts till tredje ordningen, först för degenererade kvarkmassor, och sedan, i ett andra projekt, för det generella fallet. Ytterligare en beräkning visar att en resummering av ofysikaliska dubbelpoleMass corrections and decay constants for light mesons have been calculated in Partially Quenched Chiral Perturbation Theory. The calculations of the charged meson masses have been performed to third order, first for degenerate quark masses, and then, in a second project, for the general case. Another calculation also shows that a resummation of unphysical double poles in the neutral propagators o