Inventor
GOPALAKRISHNAN SAINARAYANAN
IN64 patents
⚠️ This page may combine multiple inventors who share the name “GOPALAKRISHNAN SAINARAYANAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XEROX CORP
45 patentsUS9973654B1May 15, 2018
Methods and devices for enhancing edges of a graphic object
XEROX CORP11 citations83
US9167129B1Oct 20, 2015
Method and apparatus for segmenting image into halftone and non-halftone regions
XEROX CORP11 citations83
US10116826B1Oct 30, 2018
Method and apparatus for automatically resuming a print job from portable memory device
XEROX CORP10 citations78
US9712698B1Jul 18, 2017
Customized color for multiple raster content format file
XEROX CORP6 citations73
US9596380B1Mar 14, 2017
Methods and systems for image compression
XEROX CORP3 citations73
US9563961B1Feb 7, 2017
Method and system for image processing
XEROX CORP6 citations73
US9147262B1Sep 29, 2015
Methods and systems for image processing
XEROX CORP6 citations73
US10956107B1Mar 23, 2021
Methods and systems for keyword-based printing
XEROX CORP3 citations72
US10142520B1Nov 27, 2018
Single color background mixed raster content (MRC)
XEROX CORP3 citations72
US10079960B1Sep 18, 2018
System and method for halftoning in a print system
XEROX CORP3 citations72
US10049097B1Aug 14, 2018
Systems and methods for creating multi-layered optical character recognition (OCR) documents
XEROX CORP4 citations72
US9736333B1Aug 15, 2017
Filter configuration for software based image path
XEROX CORP2 citations72
US9712697B1Jul 18, 2017
Detecting sizes of documents scanned using handheld devices
XEROX CORP3 citations72
US9681023B1Jun 13, 2017
Image processing method and system for classification of halftone frequencies
XEROX CORP2 citations72
US9641724B1May 2, 2017
Method and system for compressing and converting an image during printing
XEROX CORP2 citations72
US9628635B1Apr 18, 2017
Systems and methods for halftone frequency detection
XEROX CORP5 citations72
US9607360B2Mar 28, 2017
Modifying the size of document content based on a pre-determined threshold value
XEROX CORP2 citations72
US9681013B2Jun 13, 2017
Methods and systems facilitating generation of digital representations of objects
XEROX CORP3 citations70
US11758068B2Sep 12, 2023
Methods and systems for adding one or more bookmarks while scanning a document
XEROX CORP3 citations67
US10033901B1Jul 24, 2018
System and method for using a mobile camera as a copier
XEROX CORP2 citations66
US12519897B2Jan 6, 2026
Methods and systems for adding one or more security patterns in documents
XEROX CORP0 citations62
US12149663B1Nov 19, 2024
Methods and systems for detecting one or more security patterns in documents
XEROX CORP0 citations62
US11087126B2Aug 10, 2021
Method to improve performance in document processing
XEROX CORP0 citations62
US10460192B2Oct 29, 2019
Method and system for optical character recognition (OCR) of multi-language content
XEROX CORP1 citations62
US10419640B1Sep 17, 2019
Text enhancement in printing material saving mode
XEROX CORP1 citations62
US10341671B2Jul 2, 2019
Method and system for image compression
XEROX CORP1 citations62
US9055251B2Jun 9, 2015
Image processing based on automatic image-type detection
XEROX CORP2 citations62
US10976973B2Apr 13, 2021
Apparatus and method for sharing a printable electronic document between users
XEROX CORP2 citations61
US11954931B1Apr 9, 2024
Methods and systems for detecting tampering of an IR security mark
XEROX CORP0 citations60
US11765288B1Sep 19, 2023
Methods and systems for automatically managing output size of a document submitted for scanning
XEROX CORP1 citations60
US11941937B2Mar 26, 2024
Methods and systems for automatically identifying IR security marks based on known halftone frequency and color information
XEROX CORP0 citations59
US11509791B1Nov 22, 2022
Methods and systems for automatically identifying IR security marks in a document based on halftone frequency information
XEROX CORP1 citations59
US11231893B2Jan 25, 2022
System and method for printing and reusing customized sample sets while printing documents
XEROX CORP0 citations58
US10043116B1Aug 7, 2018
Scheme for text only MRC compression
XEROX CORP1 citations52
US9898693B2Feb 20, 2018
Document background suppression performed during color space conversion
XEROX CORP0 citations52
US9124841B2Sep 1, 2015
Connected component analysis with multi-thresholding to segment halftones
XEROX CORP1 citations52
US9087287B2Jul 21, 2015
Individualizing reduction of original pages in N-up copying or printing
XEROX CORP1 citations52
US11715314B2Aug 1, 2023
Performance improvement with object detection for software based image path
XEROX CORP0 citations51
US11128782B1Sep 21, 2021
Adaptive autocolor detection based on media color
XEROX CORP0 citations51
US10915273B2Feb 9, 2021
Apparatus and method for identifying and printing a replacement version of a document
XEROX CORP0 citations51
US10602019B2Mar 24, 2020
Methods and systems for enhancing image quality for documents with highlighted content
XEROX CORP0 citations51
US9876937B1Jan 23, 2018
Saving marking material using threshold arrays and toner reduction mask
XEROX CORP1 citations51
US9384391B2Jul 5, 2016
Methods and systems for processing documents
XEROX CORP0 citations51
US9215345B2Dec 15, 2015
Method and system for inverse halftoning utilizing inverse projection of predicted errors
XEROX CORP0 citations51
US11652941B1May 16, 2023
Methods and systems for securing confidential content of a document while printing and/or generating a copy of the document
XEROX CORP0 citations48
HCL TECHNOLOGIES LTD
5 patentsUS10614148B2Apr 7, 2020
Reconfigurable convolution accelerator
HCL TECHNOLOGIES LTD2 citations69
US11868873B2Jan 9, 2024
Convolution operator system to perform concurrent convolution operations
HCL TECHNOLOGIES LTD1 citations59
US11315344B2Apr 26, 2022
Reconfigurable 3D convolution engine
HCL TECHNOLOGIES LTD1 citations59
US11899743B2Feb 13, 2024
Reconfigurable parallel 3-dimensional convolution cluster engine
HCL TECHNOLOGIES LTD0 citations48
US11501134B2Nov 15, 2022
Convolution operator system to perform concurrent convolution operations
HCL TECHNOLOGIES LTD0 citations48
Showing the top 50 of 64 patents by PatentIndex Score.