Patent ID: 6810136
Filing Date: 2004-10-26
Classification: G06K,H04N

Abstract:
A method for automatically converting microfilm-type data to a digital format, wherein the microfilm-type data is of a document, the document featuring at least one page, the method comprising:creating at least one digital image of the microfilm-type data, determining at least one production parameter for automatic conversion; automatically processing said at least one digital image according to said at least one production parameter to convert the microfilm-type data said automatic processing comprising: analyzing a layout of said image, wherein said analyzing comprises recognizing at least one page or a piece thereof of the microfilm-type data; segmenting said image; and performing OCR (optical character recognition) on said image, improving segments of said image after said OCR, analyzing said image to build a graph of pixels of said image; determining at least one search zone for vertical page separation according to said graph; within each search zone, determining at least one vertical delimiter according to said graph; within each vertical delimiter, building a graph of pixels of each row of said vertical delimiter; detecting each horizontal delimiter according to said graph of each row; and deriving at least one rectangle from at least one horizontal delimiter and/or at least one vertical delimiter, wherein each rectangle represents a page in the microfilm-type data or a piece thereof.