发明名称 Aberrometer having reduced noise
摘要 Methods and apparatus for facilitating determination of centroids of image spots in an image containing an array of image spots generated by an aberrometer, the image comprising a first plurality of pixels each pixel having a corresponding intensity value, the method comprising calculating an average intensity value for a second plurality of pixels in a perimeter around a pixel, the average calculated using a subset of the second plurality exclusive of at least a portion of the pixels in the perimeter.
申请公布号 US2009153738(A1) 申请公布日期 2009.06.18
申请号 US20070955003 申请日期 2007.12.12
申请人 ALLRED LLOYD G;EAGAN BARRY T 发明人 ALLRED LLOYD G.;EAGAN BARRY T.
分类号 H04N5/21 主分类号 H04N5/21
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