Device for evaluating image quality of near-eye display optical lens

Abstract

The invention discloses a device for evaluating image quality of a near-eye display optical lens and is applicable to rapid detection in commercial production. The device comprises a micro display screen, an optical lens to be evaluated, a first CCD camera, an image collection card and a computer, wherein the micro display screen is used for displaying a standard test plate pattern; the pattern is taken as an object; images formed after transmitting by the optical lens are received by CCD camera; the image collection card is used for collecting the images and subsequently displaying the images on the computer. With the adoption of the micro display, the operation is greatly simplified without the process of manufacturing the standard test plate; the test plate is colorful and capable of testing the color reduction degree of an optical system; a plurality of physical parameters for expressing the optical lens to be evaluated can be obtained by detecting at one time, and the physical parameters include a field angle, the color reduction degree, a contrast ratio, a resolution ratio, an MTF value and the like. According to the technical scheme, the device can be used for quickly and accurately evaluating the imaging quality or the performance level of the optical lens and is relatively convenient to use.

Description

technical field [0001] The invention relates to the technical fields of near-eye display, optical lens detection and image quality evaluation, and in particular to an image quality evaluation device for near-eye display optical lens. Background technique [0002] In recent years, with the development of micro-display, advanced optics, software and hardware technology, near-eye display products emerge in an endless stream, and its application in entertainment, virtual reality and other fields is also more extensive. The display effect of the device is closely related to the optical lens, so the image quality evaluation of the optical lens is very critical. [0003] Although there have been in-depth researches on the design and application of near-eye display devices, their image quality detection and evaluation methods are relatively lagging behind. Although there are some objective detection or subjective evaluation methods, the former is complicated to operate, cannot be q...

AI Technical Summary

Problems solved by technology

Although there are some objective detection or subjective evaluation methods, the former is complicated to operate, cannot be quickly detected, and does not combine the visual experience of the human eye; although subjective evaluation is intuitive and accurate, it has high requirements for the evaluation environment, and subjective experience is used as the evaluation standard. Neither can be applied to assays in commercial production

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