Xing LI

Methods and systems for detecting infrared security marks embedded in a document

AUTOMATIC BACKGROUND REMOVAL OF IMAGES

Image path that supports device based infrared mark imaging

Method and apparatus to add annotations to an image

Performance improvement with object detection for software based image path

Providing user control of resolution and file size for n-up scanned files

Method to improve performance in document processing

Tile based color space transformation

Auto-color copy in software based image path

Remote post-scanning workflow using scan job in scan job queue

Methods and systems for thickening an interior region of a fill object

Method and system for image compression

Scheme for text only MRC compression

Methods and systems for adaptive stroke thickening of graphics objects

Methods and systems for adaptive stroke thickening of graphics objects

Document background suppression performed during color space conversion

Filter configuration for software based image path

Customized color for multiple raster content format file

Method and system for compressing and converting an image during printing

Methods and systems for image compression

Methods and systems for estimating skew angle of an image

Method and system for image processing

System and method for setting output plex format using automatic page detection

Methods and systems for processing documents

Methods and systems for estimating half-tone frequency of an image

Inverse halftoning using inverse projection of predicted errors for multi-bit images

Varying trap thickness in an image

Methods and systems for processing documents

System for automated text and halftone segmentation

Methods and systems for automated orientation detection and correction

Methods and systems for image processing

Connected component analysis with multi-thresholding to segment halftones

Scanner calibration using inverse matrix

Multi-bit error diffusion

Multi-bit error diffusion

Re-ordered error diffusion for fast implementation

Image processing based on automatic image-type detection

System and method for estimating continuous tone values from rendered binary input

Black trapping methods, apparatus and systems for binary images

Color registration error compensation in color printing

Method and apparatus for an efficient hardware implementation of dictionary based lossless compression

Method and apparatus for finer control in thin line growth

Individualizing reduction of original pages in N-up copying or printing

Color pixel counting for tiered billing in output jobs

Method and apparatus for enabling parallel processing of pixels in an image

Systems and methods for computation-efficient image processing system architecture

Systems and methods for dynamic sharpness control in system using binary to continuous tone conversion

Method and system for isolated hole detection and growth in a document image

Isolated hole detection and growth

Isolated hole detection and growth

Dot growth system and method

Method and system for isolated dot detection and growth in a document image

Dot growth system and method

Method and system for performing resolution expansion with high quality edge enhancement

CONTONE DOMAIN COLOR PIXEL COUNTING FOR COLOR AREA COVERAGE BASED BILLING

Integrated color detection and color pixel counting for billing

Billing method for copy path images

Method for image classification for copy path billing

Method and system for job separation in high volume document scanning

Systems, methods and devices for rotating image tiles using line segment read buffers

Determining an orientation direction of a color edge at a pixel location in a color image

Determining an orientation direction of a color edge at a pixel location in a color image

Color detection for tiered billing in copy and print jobs

Compression scheme selection based on image data type and user selections

Thin line detection and enhancement for electronic images having different resolutions

Method and system for document annotation that includes outlining

Method and system for document annotation

3+N layer mixed raster content (MRC) images and processing thereof

Bitmapped based trapping methods, apparatus and system by modifying non-black halftone pixel bitmap plane using estimated continuous tone value

Fuzzy method to detect thin lines in scanned image

Thin line detection in scanned image data

Image segmentation system and method with improved thin line detection

Color printing reducing artifacts and banding by rendering black dots, replacing dots with process black, and adding non-black dots for different subsets of black dots

Method for reducing registration defects in color printing

Method and system for modifying a multi-bit rasterized digital image to reduce registration artifacts

3+1 layer mixed raster content (MRC) images having a black text layer

3+1 layer mixed raster content (MRC) images having a text layer and processing thereof

Neutral pixel correction for proper marked color printing

Segmentation for three-layer mixed raster content images

System and method for determining a billing structure for documents based on color estimations in an image path

Method for binary to contone conversion with non-solid edge detection

Reformatting binary image data to generate smaller compressed image data size

Background suppression in a multi-function color scanning system

Edge transition detection in a high-addressable error diffusion environment

Neutral pixel detection in an image path

Estimating an amount of color content in a document

Estimating an amount of color content in a document

Estimating an amount of color in a document

System for determining the size of an original image, such as in a digital copier

Real-time processing of grayscale image data

Cost effective image path for multiple office applications

Digital correction for alignment of a plurality of color channels of a color image forming device

Darkness control using pattern matching

Automatic dynamic range adjustment in digital imaging

Systems and methods for converting color image data to monochrome output

METHOD AND SYSTEM FOR AUTOMATIC WINDOW CLASSIFICATION IN A DIGITAL REPROGRAPHIC SYSTEM

System for identifying low-frequency halftone screens in image data

System for distinguishing line patterns from halftone screens in image data

System and method for boundary artifact elimination in parallel processing of large format images

Binary resolution conversion aparatus and method