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SYSTEMS AND METHODS FOR IMPROVED ANTERIOR SEGMENT OCT IMAGING
专利权人:
Carl Zeiss Meditec; Inc.
发明人:
Homayoun BAGHERINIA
申请号:
US15639302
公开号:
US20180014725A1
申请日:
2017.06.30
申请国别(地区):
US
年份:
2018
代理人:
摘要:
Various methods and systems for improved anterior segment optical coherence tomography (OCT) imaging are described. One example method includes collecting a set of OCT data of the cornea of the eye; segmenting the set of OCT data to identify one or more corneal layers; fitting a two-dimensional model of corneal surfaces to the one or more corneal layers; determining motion-correction parameters by minimizing error between the one or more corneal layers and the two-dimensional model of the corneal surfaces; and creating a motion-corrected corneal image dataset from the set of OCT data using the motion-correction parameters. The motion-corrected corneal image dataset can be used to create a model of the anterior and/or posterior surfaces of the cornea. The model of the cornea is used to generate high density and motion-artifact free epithelial thickness maps, which are used for identifying or quantifying pathology such as keratoconus.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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