Kelly, Damien P. and Pandey, Nitesh and Hennelly, Bryan M. and Naughton, Thomas J.
Quantization noise: An additional constraint for the
extended sampling theorem.
Digital holography (DH) differs from traditional holography in that a dynamic digital sensor
is used in place of photographic plate to record the interference pattern due to an incident object and
reference wave-field. By recording the interference pattern of an object and reference wave the complex
amplitude of the object field may be recovered [1-6]. There are many advantages to a digital approach
such as ease of use, flexibility in image processing, storing and transmission of the data electronically.
However the limited number of pixels on a modern CCD camera (as well as the relatively large
spacing between adjacent pixels in contrast to a comparable recording on typical photographic film)
imposes a severe limitation on the spatial resolution of the captured digital holograms. High spatial
resolution in digital holograms is important for accurately recording and replaying 3D scenes [7,8].
||Digital holography; discrete optical signal processing;
superresolution; Fresnel transform;
||Faculty of Science and Engineering > Computer Science
||19 Jan 2011 14:51
|Journal or Publication Title:
||Optical Society of America
Repository Staff Only(login required)
||Item control page