公开(公告)号：US12033321B2

公开(公告)日：2024-07-09

申请号：US17507644

申请日：2021-10-21

Applicant: Alcon Inc.

Inventor： Sinchan Bhattacharya ,  Hyo Won Choi ,  Ramesh Sarangapani ,  Bryan Stanfill

IPC: G06K9/00 ,  A61F9/008 ,  G06T7/00

CPC classification number: G06T7/0012 ,  A61F9/008 ,  A61F2009/00851 ,  G06T2207/10056 ,  G06T2207/10101 ,  G06T2207/10132 ,  G06T2207/20081 ,  G06T2207/20084 ,  G06T2207/30041

Abstract: A system and method for augmenting an original OCT (optical coherence tomography) image includes a controller having a processor and a tangible, non-transitory memory on which instructions are recorded. The system includes one or more learning modules selectively executable by the controller. The learning modules are trained by a training network with a training dataset having a plurality of training ultrasound bio-microscopy images and respective training OCT images. Execution of the instructions by the processor causes the controller to obtain the original OCT image, captured through an OCT device. The controller is configured to generate an augmented OCT image based in part on the original OCT image, by executing the (trained) learning modules. The augmented OCT image at least partially extends a peripheral portion of the original OCT image.

公开(公告)号：US20220198654A1

公开(公告)日：2022-06-23

申请号：US17507644

申请日：2021-10-21

Applicant: Alcon Inc.

Inventor： Sinchan Bhattacharya ,  Hyo Won Choi ,  Ramesh Sarangapani ,  Bryan Stanfill

IPC: G06T7/00 ,  A61F9/008

Abstract: A system and method for augmenting an original OCT (optical coherence tomography) image includes a controller having a processor and a tangible, non-transitory memory on which instructions are recorded. The system includes one or more learning modules selectively executable by the controller. The learning modules are trained by a training network with a training dataset having a plurality of training ultrasound bio-microscopy images and respective training OCT images. Execution of the instructions by the processor causes the controller to obtain the original OCT image, captured through an OCT device. The controller is configured to generate an augmented OCT image based in part on the original OCT image, by executing the (trained) learning modules. The augmented OCT image at least partially extends a peripheral portion of the original OCT image.

公开(公告)号：US20230049316A1

公开(公告)日：2023-02-16

申请号：US17855445

申请日：2022-06-30

Applicant: Alcon Inc.

Inventor： Kevin Baker ,  Hyo Won Choi ,  David Borja ,  Carolina Kunnen

IPC: A61B3/10 ,  A61B3/14 ,  A61B3/107 ,  G06T7/11 ,  G02C7/02

Abstract: Aspects of the present disclosure provide techniques for quantitatively assessing tear-film dynamics associated with contact lenses. An example method includes projecting an image of one or more shapes on a tear film surface of the contact lens worn on the eye, capturing video data, comprising a plurality of image frames, of the one or more shapes projected on the tear film surface of the contact lens over a period of time, performing image segmentation on a plurality of reflection patterns included in the plurality of image frames, generating a plurality of maps of the tear film surface of the contact lens indicating changes to the tear film surface of the contact lens during the period of time, and outputting, based on the plurality of maps, one or more metrics quantifying the changes to the tear film surface of the contact lens over the period of time.