NDLI: Depth range of a 3D image sampled by a lens array with the integral method

Content Provider	IEEE Xplore Digital Library
Author	Okano, F. Arai, J. Kawakita, M.
Copyright Year	2009
Description	Author affiliation: Japan Broadcasting Corporation (NHK), Japan (Okano, F.; Arai, J.; Kawakita, M.)
Abstract	Light rays from reconstructed 3D images were geometrically analyzed, and sampling of the images by using a lens array with the integral method was demonstrated. The light rays pass through the lens array and form an optical image, part of which enters the observer's pupil and forms an image on the retina. It was assumed that the pupil has a certain diameter. The depth range of the 3D image (whose projected image on the retina is sampled by the lens array) was derived. That is, the depth range is restricted to the surrounding area of the lens array and depends on the pitch of the elemental lenses constituting the lens array. When the reconstructed 3D image is located within the depth range, its visual resolution is limited by the Nyquist frequency. On the other hand, when the 3D image is located out of the depth range, the visual resolution can be increased to the upper limit of frequency by diffraction of the elemental lens.
Starting Page	1
Ending Page	4
File Size	1418279
Page Count	4
File Format	PDF
ISBN	9781424443178
DOI	10.1109/3DTV.2009.5069634
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-04
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image resolution spatial imaging lens array Image sampling Retina Geometrical optics elemental image 3DTV Image reconstruction Optical arrays Integral method Image analysis Diffraction elemental lens Frequency Lenses
Content Type	Text
Resource Type	Article

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