Patent ID: 11918287
Assignee: NOVA-SIGHT LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. A device for image processing and display, comprising:
a computer processor functionally associated with a display screen and an eye tracker, said eye tracker configured for determining a gaze direction of a first eye of a person viewing an image on said display screen and for providing a determined gaze direction to said computer processor said computer processor configured:
to generate a display image from a received digital base image based on a gaze direction of the first eye received from said eye tracker, wherein:
i. a central-vision portion of said display image that corresponds to a portion of the field of view of the first eye that includes said determined gaze direction, wherein the central-vision portion is either:
unmodified compared to a corresponding portion in said base image; or
modified so that visual characteristics of said central vision portion of said display image are changed compared to corresponding visual characteristics of a corresponding portion in said base image which modification improves the image quality of said central-vision portion relative to the corresponding portion in said base image, and
ii. a non-central vision portion of said display image that is different from said central-vision portion is either:
unmodified compared to a corresponding portion in said base image; or
modified so that visual characteristics of said noncentral vision portion of said display image are changed compared to corresponding visual characteristics of a corresponding portion in said base image,

wherein as a result of said generating, an image quality of said non-central vision portion of said display image is lower than the image quality of said central-vision portion of said display image; and
to display said generated display image on said display screen so that the first eye of the person views said display image on said display screen, wherein said computer processor is configured to modify a base image so that visual characteristics of a non-central portion of a generated display image are changed compared to corresponding visual characteristics of a corresponding portion in the base image which modification degrades the image quality of the non-central vision portion relative to the corresponding portion in the base image, wherein said modification which degrades the image quality of a non-central vision portion of a display image relative to the corresponding portion in a base image includes at reduced contrast.