OPHTHALMIC IMAGING APPARATUS, CONTROL METHOD FOR OPHTHALMIC IMAGING APPARATUS, AND COMPUTER-READABLE MEDIUM

An ophthalmic imaging apparatus includes: a detector arranged to detect, as an interference signal, interference light resulting from returning light and reference light, the returning light being light from an object to be inspected to which measurement light is radiated, the reference light corres...

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Hauptverfasser:	Inao, Yasuhisa, Sakagawa, Wataru
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY
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creator	Inao, Yasuhisa Sakagawa, Wataru
description	An ophthalmic imaging apparatus includes: a detector arranged to detect, as an interference signal, interference light resulting from returning light and reference light, the returning light being light from an object to be inspected to which measurement light is radiated, the reference light corresponding to the measurement light; a converter arranged to convert the detected interference signal that is an analog signal to a digital signal; and an arithmetic processing unit configured to generate a tomographic image of the object to be inspected by using the converted interference signal. The arithmetic processing unit uses a plurality of components obtained from the converted interference signal to generate the tomographic image, the plurality of components including a component having a frequency higher than a Nyquist frequency of the converter and a component having a frequency lower than the Nyquist frequency of the converter.
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The arithmetic processing unit uses a plurality of components obtained from the converted interference signal to generate the tomographic image, the plurality of components including a component having a frequency higher than a Nyquist frequency of the converter and a component having a frequency lower than the Nyquist frequency of the converter.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; MEDICAL OR VETERINARY SCIENCE ; PHYSICS ; SURGERY</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200910&DB=EPODOC&CC=US&NR=2020281462A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76304</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200910&DB=EPODOC&CC=US&NR=2020281462A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Inao, Yasuhisa</creatorcontrib><creatorcontrib>Sakagawa, Wataru</creatorcontrib><title>OPHTHALMIC IMAGING APPARATUS, CONTROL METHOD FOR OPHTHALMIC IMAGING APPARATUS, AND COMPUTER-READABLE MEDIUM</title><description>An ophthalmic imaging apparatus includes: a detector arranged to detect, as an interference signal, interference light resulting from returning light and reference light, the returning light being light from an object to be inspected to which measurement light is radiated, the reference light corresponding to the measurement light; a converter arranged to convert the detected interference signal that is an analog signal to a digital signal; and an arithmetic processing unit configured to generate a tomographic image of the object to be inspected by using the converted interference signal. 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subjects	CALCULATING COMPUTING COUNTING DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION IMAGE DATA PROCESSING OR GENERATION, IN GENERAL MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY
title	OPHTHALMIC IMAGING APPARATUS, CONTROL METHOD FOR OPHTHALMIC IMAGING APPARATUS, AND COMPUTER-READABLE MEDIUM
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