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METHODS TO REDUCE VARIANCE IN OCT ANALYSIS OF THE MACULA
METHODS TO REDUCE VARIANCE IN OCT ANALYSIS OF THE MACULA
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机译:减少黄斑区OCT分析变异的方法
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摘要
Methods for analyzing optical coherence tomography (OCT) images of the macula to reduce variance and improve disease diagnosis are presented. One embodiment of the invention is directed towards selecting analysis locations and data segmentation techniques to take advantage of structural homogeneities. Another embodiment is directed towards reducing the variance in a collection of normative data by transforming the individual members of the database to correspond to a Standard Macula. Variations in foveal size are corrected by radial transformation. Variations in layer thickness are corrected by axial shifting. Diagnosis is performed by comparing OCT images from a patient to the improved normative database.
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