Research | Technologies | Research News

3/8/2005
3/8/2005
Issued
2/3/2009
7,487,438

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METHODS AND APPARATUS FOR RECOGNIZING A DIGITIZED FORM, EXTRACTING INFORMATION FROM A FILLED-IN FORM, AND GENERATING A CORRECTED FILLED-IN DIGITAL FORM

Inventor(s): William Douglas Withers

Excerpt from Abstract:
Methods and apparatus for comparing blank forms represented in a digital format to digitized filled-in forms are described. Different errors are attributed different weights when...

8/17/2004
11/12/2004
Issued
4/1/2008
7,352,903

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METHODS AND APPARATUS FOR IMPLEMENTING JPEG 2000 ENCODING OPERATIONS

Inventor(s): William Douglas Withers, John H. Elton, James R. Bean

Excerpt from Abstract:
Improved methods and apparatus for implementing JPEG 2000 MQ encoding operations are described. The following features of the invention may be used alone or in combination to implement JPEG 2000's coefficient bit modeling 1) Lists of coefficients to be processed in one or more subsequent coding passes are generated as coefficients are processed. The list...

6/15/2004
6/15/2004
Issued
5/20/2008
7,376,277

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DATA TRANSFORM FOR IMPROVED COMPRESSION OF MULTICOMPONENT IMAGES

Inventor(s): William Douglas Withers, Irina Popovici

Excerpt from Abstract:
Color image transform coding methods and apparatus which take advantage of redundant information which is normally present in the luminance and chrominance components of a color image are described. The transform coding method of the present invention, can normally provide increased compression and/or better image quality at a given coding data...

9/20/2002
8/2/2005
Issued
11/18/2008
7,454,080

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METHODS AND APPARATUS FOR IMPROVING QUALITY OF BLOCK-TRANSFORM CODED IMAGES

Inventor(s): Stephen A. Martucci, John H. Elton

Excerpt from Abstract:
Block-based image processing methods and apparatus that provide a reduction in block-transform image coding artifacts are described. In various embodiments, the invention is directly incorporated into a decoding process. In such embodiments, transform...

9/20/2002
8/2/2005
Issued
4/24/2007
7,209,594

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METHODS AND APPARATUS FOR IMPROVING QUALITY OF BLOCK-TRANSFORM CODED IMAGES

Inventor(s): Stephen A. Martucci, John H. Elton

Excerpt from Abstract:
Block-based image processing methods and apparatus that provide a reduction in block-transform image coding artifacts are described. In various embodiments, the invention is directly incorporated into a decoding process. In such embodiments, transform coefficients...

09/20/2002
08/02/2005
Issued
8/5/2008
7,409,100

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METHODS AND APPARATUS FOR IMPROVING QUALITY OF BLOCK-TRANSFORM CODED IMAGES

Inventor(s): Stephen A. Martucci, John H. Elton

Excerpt from Abstract:
Block-based image processing methods and apparatus that provide a reduction in block-transform image coding artifacts are described. In various embodiments, the invention is directly incorporated into a decoding process. In such embodiments, transform coefficients...

9/20/2002
09/20/2002
Issued
2/21/2006
7,003,170

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METHODS AND APPARATUS FOR IMPROVING QUALITY OF BLOCK-TRANSFORM CODED IMAGES

Inventor(s): Stephen A. Martucci, John H. Elton

Excerpt from Abstract:
Block-based image processing methods and apparatus that provide a reduction in block-transform image coding artifacts are described. In various embodiments, the invention is directly incorporated into a decoding process. In such embodiments, transform coefficients...

04/26/2002
04/26/2002
Issued
3/20/2007
7,194,143

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METHOD OF ENHANCEMENT OF THE VISUAL DISPLAY OF IMAGES AND OTHER VISUAL DATA RECORDS

Inventor(s): Artur Sowa

Excerpt from Abstract:
An digital image input, possibly being either pre-compressed or decompressed, is enhanced; its edges are preserved while any compression artifacts, like blocking and ringing, are simultaneously reduced. The enhancement method enhances images with luminance...

03/13/2000
02/02/2001
Issued
5/25/2004
6,741,738

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METHOD OF OPTICAL MARK RECOGNITION

Inventor(s): Garland S. Taylor

Excerpt from Abstract:
There is provided herein a new method of identifying when a particular hand-drawn selection has been made on, for example, a standardized test form. This method does not require the use of any particular form nor does it use registration marks. It is robust enough to be used when the form is somewhat misaligned on the scanning device. This method utilizes...

6/25/1998
12/11/1998
Issued
4/3/2001
6,212,301

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SYSTEMS AND METHODS FOR DIGITAL IMAGE COMPRESSION

Inventor(s): Scott J. Warner, Anatholy F. Dedkov

Excerpt from Abstract:
Systems and methods for compressing portions of a digital image, transmitting the compressed portions over a network, receiving them, decompressing them, and progressively displaying an image representing the original image. An encoder selects an interlaced portion of the original image based on a resolution factor and compresses each line of that portion...

10/19/1992
05/22/1995
Issued
1/14/1997
5,594,814

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OCR IMAGE PREPROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

10/19/1992
05/22/1995
Issued
1/14/1997
5,594,817

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OCR IMAGE PRE-PROCESSOR FOR DETECTING AND REDUCING SKEW OF THE IMAGE OF TEXTUAL MATTER OF A SCANNED DOCUMENT

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

10/19/1992
05/22/1995
Issued
1/14/1997
5,594,815

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OCR IMAGE PREPROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

10/19/1992
10/17/1996
Issued
3/17/1998
5,729,635

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OCR IMAGE FREE-PROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

10/19/1992
07/15/1996
Issued
7/7/1998
5,778,103

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OCR IMAGE PRE-PROCESSOR

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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 be analyzed and corrected directly for improved performance...

10/19/1992
05/22/1995
Issued
4/29/1997
5,625,719

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OCR IMAGE PREPROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

OCR IMAGE PREPROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS BY REVERSING INVERT TEXT

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...

10/19/1992
05/22/1995
Issued
11/26/1996
5,579,414

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10/19/1992
05/22/1995
Issued
12/31/1996
5,590,224

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OCR IMAGE PREPROCESSING METHOD FOR IMAGE ENHANCEMENT OF SCANNED DOCUMENTS BY CORRECTION OF REGISTRATION

Inventor(s): Bruce B. Fast, Dana R. Allen

Excerpt from Abstract:
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...