Dysopia correction system based on enhanced light field display

A visual defect correction system technology, applied in stereoscopic systems, image data processing, instruments, etc., can solve problems such as limited visual acuity improvement, low cost performance, and inapplicable high-order aberration visual compensation

Active Publication Date: 2015-05-13
左旺孟 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the visual correction methods for refractive errors mainly use optical glasses and surgery to improve the visual acuity of patients. However, these two methods have certain limitations: glasses can only correct low-order aberrations such as myopia and hyperopia. , not suitable for visual compensation of high-order aberrations; optical correction has the possibility of irritating the eyes, which is difficult to be accepted by all users; corneal laser surgery or intraocular lens implantation has very

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  • Dysopia correction system based on enhanced light field display
  • Dysopia correction system based on enhanced light field display
  • Dysopia correction system based on enhanced light field display

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specific Embodiment approach

[0050] The present invention includes two specific implementation modes: the first one, when the enhanced light field display module (3) includes a single-layer or multi-layer LCD, the hardware manifestation of the system is smart glasses; the second one is when the enhanced light field display module (3) 3) When the helmet-type display device for the field of vision is included, the hardware representation form of the system is a smart helmet. The specific implementation plans of the two methods are described as follows:

specific Embodiment approach 1

[0051] Specific implementation mode one: combine figure 2 a) When the user watches an image display device such as a flat-panel display (such as a TV, a computer display screen, and an advertising screen, etc.), the display device is a single-layer or multi-layer LCD, and the hardware representation of the system is smart glasses. figure 2 b) is a schematic diagram of system module decomposition when the display device is a single-layer or multi-layer LCD in the present invention, including: visual defect parameter setting module (4), degradation model and light field calculation processing module (5), LCD integrated in the system A visual display (6), a distance measuring module (10), a power supply (11), a mirror frame (12), a bluetooth earphone (13) and a wireless network module (14).

[0052] combine figure 2 b), the spectacle frame (12) provides overall assembly positioning and support for all modules of the system; the LCD visual display (6) integrated in the system ...

specific Embodiment approach 2

[0054] Specific implementation mode two: combination image 3 a) When the display device is a helmet-mounted near-vision display device, the hardware representation of the system is a helmet-mounted smart device. image 3 b) is a schematic diagram of system module decomposition when the display device of the present invention is a helmet-mounted near-vision field display device, including: a visual defect parameter setting module (4), a degradation model and light field calculation and processing module (5), and a binocular image acquisition module (7), a near vision field display module (8), a binocular vision reconstruction module (9), a power supply (11), a mirror frame (12), a bluetooth earphone (13) and a wireless network module (14).

[0055] combine image 3 b), the spectacle frame (12) provides overall assembly positioning and support for all modules of the system; the near vision field display module (8) is installed on the spectacle frame at a position corresponding...

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Abstract

The invention provides a correction scheme based on enhanced light field display to patients with visual defects such as shortsightedness, farsightedness and early-stage glaucoma; and the correction scheme comprises a visual and depth information acquisition module, a dysopia modeling module and an enhanced light field display module. The visual and depth information acquisition module comprises two manners: with respect to the situation of a two-dimensional display, digital images are used as the input and the depth information is acquired; with respect to the real scenes, a binocular three-dimensional visual manner is adopted. The dysopia modeling module comprises a dysopia parameter setting module, an image degradation model and a light field calculating and processing module. The enhanced light field display module comprises two manners: with respect to the situation of the two-dimensional display, an internally integrated LCD (Liquid Crystal Display) visual display of the system is adopted; and with respect to the real scenes, the near-vision light field display module is adopted.

Description

technical field [0001] The invention relates to a visual defect correction method device and system, which can provide a correction scheme based on enhanced light field display for typical visual defects such as myopia, hyperopia, and early glaucoma. Background technique [0002] Vision is the most important source of information for humans about the surrounding environment. Refractive errors, including myopia, hyperopia, presbyopia, astigmatism, and higher-order aberration refractive disorders, are the most common visual impairment problem and are considered to be one of the leading causes of global vision loss. It affects people of all ages. According to the data survey of WHO in 2005, there are about 2 billion people in the world who need to wear glasses. Considering the extension of human life span and the aggravation of near vision tasks, it is expected that the number of people who need to wear glasses to correct their vision will continue to increase in the future. ...

Claims

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Application Information

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IPC IPC(8): H04N13/04G06T7/00
Inventor 左旺孟吕德生张宏志吴圣深邓红
Owner 左旺孟
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