Title :
Superresolution Digital Image Enhancement by Subpixel Image Translation With a Scanning Micromirror
Author :
Yu, Kyoungsik ; Park, Namkyoo ; Lee, Daesung ; Solgaard, Olav
Author_Institution :
Korea Electr. Eng. & Sci. Res. Inst., Seoul Nat. Univ.
Abstract :
This paper reports on a superresolution digital image enhancement technique using subpixel image translation with a scanning micromirror. We demonstrate that the spatial resolution of digital photomicrography, employing typical black-and-white pixelated image sensors, can be improved by acquiring multiple images with predetermined subpixel shifts and combining them with a superresolution image reconstruction algorithm. A two-axis gimbaled micromirror fabricated with a bulk-micromachining process is used to control the translational image displacements with subpixel accuracy
Keywords :
image enhancement; image reconstruction; image resolution; image sensors; micromachining; micromirrors; optical fabrication; digital image enhancement; digital photomicrography; image reconstruction; micromachining; micromirror; pixelated image sensors; spatial resolution; subpixel image translation; Digital images; Image resolution; Image sensors; Micromirrors; Optical films; Optical sensors; Photomicrography; Pixel; Signal resolution; Spatial resolution; Fourier optics; image processing; image resolution; image sensors; microelectromechanical devices; microscopy;
Journal_Title :
Selected Topics in Quantum Electronics, IEEE Journal of
DOI :
10.1109/JSTQE.2007.893110
