Glasses comfort evaluation method based on eye image

A technology of eye image and evaluation method, which is applied in the fields of eye testing equipment, medical science, diagnosis, etc. It can solve the problems of uneven practitioners' level, discomfort, wearing discomfort, etc., and achieve objective and reliable results.

Pending Publication Date: 2020-08-11
JIANGSU MINGYUE PHOTOELECTRICS TECH
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the level of practitioners in the glasses industry varies, so various problems may arise in the process of dispensing glasses. Glasses are relatively sensitive optical devices, especially for the human body. Any deviation will cause discomfort; After the completion of the wearing process, the phenomenon of wearing discomfort may also occur, which will lead to some uncomfortable reactions in the human body

Method used

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  • Glasses comfort evaluation method based on eye image
  • Glasses comfort evaluation method based on eye image
  • Glasses comfort evaluation method based on eye image

Examples

Experimental program
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Effect test

Embodiment 1

[0076] The implementation process of this method will be described below by taking the data collection and processing of a certain tester as an example. After selecting a tester for data collection, let him wear the eye tracker first, and adjust the equipment to the normal working state. The experiment time is three minutes. Under the natural state, the eye movement data of this period of time is continuously collected.

[0077]Perform the various preprocessing described in the above step S201 on the eye image collected at a certain moment, including image processing such as denoising, binarization, edge detection, etc., to obtain the preprocessing result image, and then perform the above step S202 on the preprocessing result image The morphological filtering is used to obtain an improved eye image. After the improved eye image is obtained, Hough circle detection and edge detection are used to separate the desired image containing the eyelid and pupil area from the above image...

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Abstract

The invention relates to a glasses comfort evaluation method based on an eye image. The glasses comfort evaluation method comprises the following steps of obtaining the eye image of a subject within aperiod of time; processing the obtained eye image to obtain eye movement parameters, wherein the eye movement parameters include a pupil diameter XPD and an eyelid spacing XES; obtaining the comfortlevel of the subject, and marking the value of the comfort level as Y; and according to a relation between the eyelid spacing and the comfort level and a relation between the pupil diameter and the comfort level, building function models between the comfort level and the pupil diameter and between the comfort level and the eyelid spacing, and then judging the comfort level of glasses. According tothe method, the influence of the eyelid spacing and the pupil diameter on the glasses wearing comfort is quantitatively studied through a large number of subjective sampling and experiments, and thefunction models about the comfort level, the pupil diameter and the eyelid spacing are built, so that a quantitative standard is provided for subsequent glasses wearing comfort judgment, whether the glasses of the subject are comfortable to wear or not can be directly and quickly judged, and a result is objective and reliable.

Description

technical field [0001] The invention relates to a method for evaluating the wearing comfort of glasses, in particular to a method for evaluating the comfort of glasses based on eye images. Background technique [0002] Glasses are a special medical device for correcting eyeball refraction, protecting eye health and improving visual function. Glasses are closely related to everyone. Due to refractive errors, presbyopia, or for health care and aesthetic purposes, almost everyone is equipped with glasses. With the development of science and the improvement of people's visual requirements, ideal glasses should not only bring clear vision, but also allow the wearer to obtain comfortable feeling, long-lasting close reading and high-grade appearance. However, the level of practitioners in the glasses industry varies, so various problems may arise in the process of dispensing glasses. Glasses are relatively sensitive optical devices, especially for the human body. Any deviation wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/11A61B3/113A61B3/14
CPCA61B3/112A61B3/113A61B3/14
Inventor 胡义波武杰谢公兴赵志刚
Owner JIANGSU MINGYUE PHOTOELECTRICS TECH
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