title: Foveated scanning: dynamic monodimensional enlargement of resolved field of view in lenses of scanner systems.
abstract: An inconsistency between the circular symmetric geometry of conventional optical imagers and the geometry of long linear sensors used in today's line-scan cameras results in suboptimal separate design of optics and electronics of scanner systems. Based on the method of foveated optical imaging, a technique named foveated scanning (FS) is proposed in this paper. The FS technique is employed to enlarge the one-dimensional resolved field of view (RFOV) of conventional lenses and permits optimized performance on a line-of-interest in the image plane where the optoelectronic sensor is located. The achieved enlargement of RFOV is verified on a proof-of-concept basic telephoto lens. Both modulation transfer function analysis and the imaging simulation of a standard target have been performed. Results show a twofold increase in RFOV by this technique.
authors.forename: Farhang
authors.initials: F
authors.lastname: Javaherian
authors.forename: Bizhan
authors.initials: B
authors.lastname: Rashidian