Inventor

HOLUB VOJTECH

US60 patents

Patents

50 patents

US9754341B2Sep 5, 2017

Compensating for geometric distortion of images in constrained processing environments

DIGIMARC CORP32 citations94

US10217182B1Feb 26, 2019

Construction of signal maps for images with encoded signals

DIGIMARC CORP55 citations94

US10198648B1Feb 5, 2019

Decoding 1D-barcodes in digital capture systems

DIGIMARC CORP28 citations94

US9892301B1Feb 13, 2018

Localization of machine-readable indicia in digital capture systems

DIGIMARC CORP35 citations94

US9716807B2Jul 25, 2017

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

DIGIMARC CORP27 citations94

US10304151B2May 28, 2019

Digital watermarking and data hiding with narrow-band absorption materials

DIGIMARC CORP12 citations93

US10275847B2Apr 30, 2019

Detecting conflicts between multiple different signals within imagery

DIGIMARC CORP11 citations93

US10424038B2Sep 24, 2019

Signal encoding outside of guard band region surrounding text characters, including varying encoding strength

DIGIMARC CORP22 citations92

US11257198B1Feb 22, 2022

Detection of encoded signals and icons

DIGIMARC CORP19 citations86

US11062108B2Jul 13, 2021

Generating and reading optical codes with variable density to adapt for visual quality and reliability

DIGIMARC CORP13 citations86

US10958807B1Mar 23, 2021

Methods and arrangements for configuring retail scanning systems

DIGIMARC CORP15 citations86

US11250535B1Feb 15, 2022

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks

DIGIMARC CORP14 citations85

US11250534B2Feb 15, 2022

Determining detectability measures for images with encoded signals

DIGIMARC CORP3 citations84

US11062418B2Jul 13, 2021

Digital watermarking and data hiding with narrow-band absorption materials

DIGIMARC CORP5 citations84

US10789438B1Sep 29, 2020

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data

DIGIMARC CORP7 citations84

US10748231B2Aug 18, 2020

Detecting conflicts between multiple different signals within imagery

DIGIMARC CORP7 citations84

US10650209B2May 12, 2020

Localization of machine-readable indicia in digital capture systems

DIGIMARC CORP6 citations84

US10373299B1Aug 6, 2019

Compensating for geometric distortion of images in constrained processing environments

DIGIMARC CORP11 citations84

US9984429B2May 29, 2018

Feature-based signal localization in digital capture systems

DIGIMARC CORP7 citations84

US9891883B2Feb 13, 2018

Methods and system for cue detection from audio input, low-power data processing and related arrangements

DIGIMARC CORP10 citations84

US11568165B1Jan 31, 2023

Methods and arrangements for optical code classification

DIGIMARC CORP3 citations73

US11367159B1Jun 21, 2022

Methods and arrangements for enhancing detection of digital watermark signals

DIGIMARC CORP3 citations73

US11194984B2Dec 7, 2021

Localization of machine-readable indicia in digital capture systems

DIGIMARC CORP3 citations73

US11188997B2Nov 30, 2021

Detecting conflicts between multiple different signals within imagery

DIGIMARC CORP1 citations73

US10560599B2Feb 11, 2020

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

DIGIMARC CORP2 citations73

US10459685B2Oct 29, 2019

Methods and system for cue detection from audio input, low-power data processing and related arrangements

DIGIMARC CORP2 citations73

US11636279B1Apr 25, 2023

Color driven localization of 1D and 2D barcodes in digital capture systems

DIGIMARC CORP2 citations72

US11308571B2Apr 19, 2022

Sparse modulation for robust signaling and synchronization

DIGIMARC CORP2 citations69

US12390976B2Aug 19, 2025

Signaling arrangements employing molded thermoplastics

DIGIMARC CORP0 citations63

US12299764B2May 13, 2025

Pre-press warping arrangements for watermarks and associated graphic artworks, with related quality control techniques

DIGIMARC CORP0 citations63

US12217108B2Feb 4, 2025

Laser marking of machine-readable codes

DIGIMARC CORP0 citations63

US12182898B2Dec 31, 2024

Detecting conflicts between multiple different signals within imagery

DIGIMARC CORP0 citations63

US12079684B2Sep 3, 2024

Generating reading optical codes with variable density to adapt for visual quality and reliability

DIGIMARC CORP0 citations63

US11995511B2May 28, 2024

Methods and arrangements for localizing machine-readable indicia

DIGIMARC CORP1 citations63

US11962875B2Apr 16, 2024

Recycling methods and systems, and related plastic containers

DIGIMARC CORP1 citations63

US11954930B2Apr 9, 2024

Decoding 1D-barcodes in digital capture systems

DIGIMARC CORP0 citations63

US11875485B2Jan 16, 2024

Compensating for geometric distortion of images in constrained processing environments

DIGIMARC CORP0 citations63

US11875218B1Jan 16, 2024

2D code reading in presence of local inversion

DIGIMARC CORP0 citations63

US11831833B2Nov 28, 2023

Methods and arrangements for triggering detection, image correction or fingerprinting

DIGIMARC CORP1 citations63

US11741567B2Aug 29, 2023

Digital watermarking and data hiding with clear topcoats

DIGIMARC CORP0 citations63

US11676238B2Jun 13, 2023

Detecting conflicts between multiple different signals within imagery

DIGIMARC CORP0 citations63

US11348209B2May 31, 2022

Compensating for geometric distortion of images in constrained processing environments

DIGIMARC CORP0 citations63

US11244183B2Feb 8, 2022

Decoding 1D-barcodes in digital capture systems

DIGIMARC CORP0 citations63

US10972628B2Apr 6, 2021

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

DIGIMARC CORP0 citations63

US12124919B2Oct 22, 2024

Color driven localization of 1D and 2D barcodes in digital capture systems

DIGIMARC CORP0 citations62

US11941720B2Mar 26, 2024

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks

DIGIMARC CORP0 citations62

Showing the top 50 of 60 patents by PatentIndex Score.

HOLUB VOJTECH

Patents

Digital watermarking and data hiding with narrow-band absorption materials

Detecting conflicts between multiple different encoded signals within imagery

Sparse modulation for robust signaling and synchronization

Feature-based watermark localization in digital capture systems

Compensating for geometric distortion of images in constrained processing environments

Construction of signal maps for images with encoded signals

Decoding 1D-barcodes in digital capture systems

Localization of machine-readable indicia in digital capture systems

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

Digital watermarking and data hiding with narrow-band absorption materials

Detecting conflicts between multiple different signals within imagery

Signal encoding outside of guard band region surrounding text characters, including varying encoding strength

Detection of encoded signals and icons

Generating and reading optical codes with variable density to adapt for visual quality and reliability

Methods and arrangements for configuring retail scanning systems

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks

Determining detectability measures for images with encoded signals

Digital watermarking and data hiding with narrow-band absorption materials

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data

Detecting conflicts between multiple different signals within imagery

Localization of machine-readable indicia in digital capture systems

Compensating for geometric distortion of images in constrained processing environments

Feature-based signal localization in digital capture systems

Methods and system for cue detection from audio input, low-power data processing and related arrangements

Methods and arrangements for optical code classification

Methods and arrangements for enhancing detection of digital watermark signals

Localization of machine-readable indicia in digital capture systems

Detecting conflicts between multiple different signals within imagery

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

Methods and system for cue detection from audio input, low-power data processing and related arrangements

Color driven localization of 1D and 2D barcodes in digital capture systems

Sparse modulation for robust signaling and synchronization

Signaling arrangements employing molded thermoplastics

Pre-press warping arrangements for watermarks and associated graphic artworks, with related quality control techniques

Laser marking of machine-readable codes

Detecting conflicts between multiple different signals within imagery

Generating reading optical codes with variable density to adapt for visual quality and reliability

Methods and arrangements for localizing machine-readable indicia

Recycling methods and systems, and related plastic containers

Decoding 1D-barcodes in digital capture systems

Compensating for geometric distortion of images in constrained processing environments

2D code reading in presence of local inversion

Methods and arrangements for triggering detection, image correction or fingerprinting

Digital watermarking and data hiding with clear topcoats

Detecting conflicts between multiple different signals within imagery

Compensating for geometric distortion of images in constrained processing environments

Decoding 1D-barcodes in digital capture systems

Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements

Color driven localization of 1D and 2D barcodes in digital capture systems

Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks