Systems and methods for rendering a display to compensate for a viewer's visual impairment

A vision, display technology, applied in the field of user interface, can solve problems such as non-existence

Inactive Publication Date: 2013-04-03
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no effective technical solution to correct vision directly to the source other than vision correction directly at eye level (such as glasses)

Method used

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  • Systems and methods for rendering a display to compensate for a viewer's visual impairment
  • Systems and methods for rendering a display to compensate for a viewer's visual impairment
  • Systems and methods for rendering a display to compensate for a viewer's visual impairment

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Embodiment Construction

[0050] Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. In the following detailed description, numerous non-limiting specific details are set forth to assist in understanding the subject matter presented herein. Various alternatives will, however, be apparent to those skilled in the art without departing from the scope of the invention, and the subject matter herein may be practiced without these specific details. It will be apparent, for example, to one of ordinary skill in the art that the subject matter presented herein can be implemented on various types of personal electronic devices, including digital displays.

[0051] The technical solution according to the present invention is based on software. Knowing the deformation caused by the eye (ie the vision impairment condition), the software pre-corrects the image in a manner relevant to the user's specific vision impairment by introducing organized b...

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PUM

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Abstract

A system and a method are provided for rendering on a display of an electronic device a pre-corrected image of an original image to compensate for a visual impairment of a user of the device, such that the pre-corrected image when displayed on the display would be perceived by the user to be in better optical focus than the user would perceive a display of the original image. The steps of the method implemented include receiving hardware characteristics of the display, receiving at least one parameter describing the visual impairment of the user, receiving at least one parameter describing the conditions under which the display is seen by the user, calculating a pupil function, calculating a Point Spread Function (PSF), calculating a pre-corrected image corresponding to at least a portion of the original image to compensate for the visual impairment of the user, and rendering on the display the pre-corrected image.

Description

[0001] related application [0002] This application claims priority to US Provisional Patent Application No. 61 / 397,537, filed June 11, 2010, entitled "Adaptation of Digital Images," which is incorporated herein by reference. technical field [0003] The present invention relates generally to the field of user interfaces for the visually impaired and in particular to optometry and digital image processing. Background technique [0004] Millions of people must sometimes wear glasses to correct any vision impairment. Specifically, presbyopia (also known as farsightedness or presbyopia) affects more than 1.2 billion people worldwide. Presbyopia generally develops as a person ages and is associated with a natural gradual loss of accommodation. Presbyopia often loses the ability to refocus quickly and easily on objects that vary in distance. There may also be a loss of the ability to focus on close objects. Although the condition develops over an individual's lifetime, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCA61B3/00G06T5/003G06T5/006G06T11/00G09G5/00G09G2320/0261G09G2320/0285G09G2340/14G09G2360/144G09G2380/08G06T1/00G06F18/00
Inventor P·马尔尚E·皮特H·吉耶梅L·特罗克梅
Owner 焦点再现
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