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US08781176B2 Determining document fitness using illumination 有权
使用照明确定文字适应度

Determining document fitness using illumination
Abstract:
According to an illustrative embodiment, a method for detecting a document includes capturing a first plurality of images of a document at a first wavelength of electromagnetic radiation, capturing a second plurality of images of the document at a second wavelength of electromagnetic radiation, and assembling the first and second pluralities of images to form one or more images of the document.
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