Sharpness and blemish quality test subsystem for eyecup assemblies of head mounted displays
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United States of America Patent
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May 22, 2018
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app pub date -
Jun 9, 2016
filing date -
Jun 9, 2016
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Abstract
An optical evaluation workstation evaluates quality metrics (e.g., sharpness, blemishes) of eyecup assemblies of a head mounted display (HMD). The workstation includes an eyecup assembly feeder, a camera, and a control module. The eyecup assembly feeder is configured to receive an eyecup assembly of a HMD, the eyecup assembly comprising an optics block rigidly fixed at a first distance to an electronic display panel. The camera is configured to capture one or more images of the one or more test patterns presented by the electronic display panel through the optics block. The control module is configured to modify at least one image of the one or more images using a transform, and determine a quality metric for the modified at least one image.
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