The Hologram and Its Ophthalmic Potential*

Rf, VanLigten; Lawton, Kelley; Grolman, Bernard

doi:10.1097/00006324-196606000-00001

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Retinal Image1

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1969

1981

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Cited by 14 publications

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“…The hope of a fundus camera which can record and reconstruct wide-angle and truly three-dimensional full-colour retinal images seems to lie in the art of holography. Some preliminary work has been done by Van Ligten et al [65], in making holograms of the retina, but we still have a long long way to go toward our final goal.…”

Section: Retinal Imagementioning

confidence: 99%

Image enhancement: A review

Huang

1969

Opto-electronics

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We first describe the basic linear and non-linear mathematical operations underlying most image enhancement techniques, and compare the hardware available for carrying out these operations which includes digital computers, optical set-ups and special electro-optical devices. Then we give a brief account of the commonly used image enhancement techniques, such as contrast enhancement, crispening, noise elimination, and inverse filtering. Finally, we mention some examples of image enhancement in the biomedical area.

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Section: Retinal Imagementioning

confidence: 99%