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Digital device and method of controlling therefor

A kind of equipment and corneal technology, applied in the field of corneal imaging equipment, can solve problems such as transmission errors of corneal imaging system

Active Publication Date: 2017-08-29
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This can cause corneal imaging systems to deliver incorrect results

Method used

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  • Digital device and method of controlling therefor
  • Digital device and method of controlling therefor
  • Digital device and method of controlling therefor

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Embodiment Construction

[0041] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which specific embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are given by way of example so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0042] exist Figure 1a A device 100 according to an embodiment of the present invention is shown in . Device 100 (in Figure 1a (shown as a smartphone) includes a processing device 101 , a screen 110 and a first camera 121 . Screen 110 operates as an output device of device 100, i.e. for displaying graphical content such as user interface elements (e.g. pictures, text), fields for entering or editing text (e.g. text field 111), uniform resource locators (URLs) or other links, v...

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Abstract

A device (100) for corneal imaging is disclosed. The device comprises a first camera (121) and processing means (101). The first camera is configured for imaging a cornea (162) of a user (130) of the device and / or an eyewear (170) worn by the user. The processing means is operative to acquire a first image from the first camera, identify a first reflection (163) by the cornea and / or a second reflection (173) by a reflective surface (172) of the eyewear, and determine a first optical transformation representing the first reflection and / or a second optical transformation representing the second reflection. Embodiments of the invention provide an improved corneal imaging solution for user operated computing devices, in particular hand-held devices, such as mobile phones, smartphones, tablets, laptops, and the like, by taking specular reflections originating from one or more reflective surfaces of an eyewear worn by the user into consideration. Also disclosed are a corresponding method, computer program, and computer program product.

Description

technical field [0001] The invention relates to a device for corneal imaging, a method of corneal imaging performed by the device, a corresponding computer program and a corresponding computer program product. Background technique [0002] Corneal imaging using handheld and other devices (e.g., cell phones, tablets, laptops, etc.) work reliably when wearing sunglasses, goggles, or contact lenses. [0003] Corneal imaging technology is used to image a person's cornea (specifically, the device user's cornea) to collect information about the person's front, and due to the spherical nature of the human eyeball, to collect information about a field of view wider than the person's field of view. Information about objects in . Such objects may potentially be outside the camera's field of view, and even located behind the camera. The technology is made possible by the highly reflective nature of the human cornea and the availability of high-definition cameras in devices such as s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00
CPCG06T3/12G06F3/013G06F3/0425G03B15/14G06F3/0488G06F1/1626G06F1/1643G06F1/1686G06F3/0416G06F2203/04106G06F2203/04108A61B3/107A61B3/14G01B11/26A61B3/0025A61B3/152A61B3/0041G02B17/08G06T15/04G06F3/0412H04N7/181
Inventor 马修·约翰·劳伦森朱利安·查尔斯·诺兰
Owner TELEFON AB LM ERICSSON (PUBL)
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