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US 12,685,437 B2Granted
Detection, prediction, and classification for ocular disease
AssigneeTracery Ophthalmics Inc.
InventorsShelley Boyd, Natalie Pankova, Nehad Hirmiz, Huiyuan Liang
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Abstract
Computer systems and computer-implemented methods for performing classification, detection, and/or prediction based on processing of ocular images obtained from various imaging modalities are disclosed. Use of delayed near-infrared analysis (DNIRA) as one of the imaging modality is also disclosed.
Claims20
A computer system comprising:
- a processor;
- a memory in communication with the processor, the memory storing instructions that, when executed by the processor cause the processor to:
- at a training phase,
- receive training data corresponding to a plurality of ocular images, wherein the plurality of ocular images of the training data correspond to a plurality of imaging modalities, said plurality of imaging modalities including delayed near-infrared analysis (DNIRA) and at least one imaging modality other than DNIRA;
- generate delta image data based on a difference between said DNIRA images and images of said at least one imaging modality other than DNIRA;
- perform feature extraction and feature selection to generate features based on the training data and the delta image data to build a pattern recognition model;
- at a classification phase,
- receive a plurality of ocular images corresponding to a plurality of imaging modalities;
- classify features of the plurality of ocular images using the pattern recognition model.
6 more elements
Dependencies are inferred from the claim text.