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Detection of surface defects employing subsampled images

建立日期:2018/02/21
  • 作者: Orbotech
  • 出處: USPTO-美國專利商標局
  • 內容: 本篇內容為Orbotech於June 14, 2007 公開之美國專利(尚未獲證),下文為專利摘要,專利全文請連結參考網址,瀏覽專利全文所需看圖軟體請至 http://www.alternatiff.com/ 下載。

    A method for determining a location of a border in a color image, the image including at least two color populations, between a first color region associated with a first one of the two color populations and a second color region associated with a second one of the two color populations, both the first color region and the second color region being in the color image, the method includes identifying an approximate border location between the first color region and the second color region, determining a plurality of candidate border locations between the first color region and the second color region, each of the plurality of candidate border locations being determined by applying a corresponding border location method chosen from among a plurality of border location methods, choosing one method from among the plurality of border location methods as a preferred method, and determining a location of a border between the first color region and the second color region by designating one of the plurality of candidate border locations associated with the preferred method as the border. Also, an automated optical inspection device suitable for inspection of patterned articles.