1
Bruce B Fast, Dana R Allen: OCR image preprocessing method for image enhancement of scanned documents. January 14, 1997: US05594815 (17 worldwide citation)

The process for enhancing images of scanned documents identifies a variety of items in the scanned document which could make optical character recognition and other document image processing difficult or impossible. These items include identifying skew, registration, speck, lines intersecting printe ...


2
Bruce B Fast, Dana R Allen: OCR image free-processing method for image enhancement of scanned documents. TMSSequoia March 17, 1998: US05729635 (13 worldwide citation)

A method is provided for identifying, correcting, modifying and reporting imperfections and features in pixel images that prevent or hinder proper OCR (Optical Character Recognition) and other document imaging processes. One embodiment of this invention provides that run length compressed images can ...


3
Bruce B Fast, Dana R Allen: OCR image pre-processor for detecting and reducing skew of the image of textual matter of a scanned document. January 14, 1997: US05594817 (11 worldwide citation)

A method is provided for identifying, correcting, modifying and reporting imperfections and features in pixel images that prevent or hinder proper OCR (Optical Character Recognition) and other document imaging processes. One embodiment of this invention provides that run length compressed images can ...


4
Bruce B Fast, Dana R Allen: OCR image preprocessing method for image enhancement of scanned documents by reversing invert text. November 26, 1996: US05579414 (9 worldwide citation)

In a run-length represented image an image area with reverse print is recognized. Two borders (left and right) are determined and in a plurality of steps the run transitions are removed, first on the left border of the area and then at the right border of the area, causing all runs within the area o ...


5
Bruce B Fast, Dana R Allen: OCR image preprocessing method for image enhancement of scanned documents. April 29, 1997: US05625719 (8 worldwide citation)

For performing optical character recognition and other scanned document image processing the method for unshading dot shaded areas performs a statistical dot size analysis to determine the distribution of the dot sizes in the dot shaded area. In a separate step the most suitable dot size limitation ...


6
Bruce B Fast, Dana R Allen: OCR image preprocessing method for image enhancement of scanned documents by correction of registration. December 31, 1996: US05590224 (6 worldwide citation)

A method is provided for identifying, correcting, modifying and reporting imperfections and features in pixel images that prevent or hinder proper OCR (Optical Character Recognition) and other document imaging processes. One embodiment of this invention provides that run length compressed images can ...


7
Bruce B Fast, Dana R Allen: OCR image preprocessing method for image enhancement of scanned documents. January 14, 1997: US05594814 (5 worldwide citation)

In a run-length coded document image process a horizontal line in textual matter is eliminated by establishing a work zone around the horizontal line and a buffer zone of predetermined width around the work zone. All black-run-length artifacts that extend outside of the buffer zone are protected, th ...


8
Dana R Allen: Internal-combustion engine with reduced pollutants. May 20, 2010: US20100122676-A1

A method and apparatus for pumping an intake charge into an engine is disclosed herein. The fuel-powered engine utilizes a barrier between an intake manifold and a crankcase of the engine to substantially protect the intake charge from contamination by engine crankcase oil, while using the natural p ...



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