David Li

Person

West Roxbury, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for finding and classifying patterns in an image...
- Patent number 12,147,895
- Issue date Nov 19, 2024
- Cognex Corporation
- Lei Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for finding lines in an image with a vision system
- Patent number 11,854,173
- Issue date Dec 26, 2023
- Cognex Corporation
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for finding lines in an image with a vision system
- Patent number 11,599,978
- Issue date Mar 7, 2023
- Cognex Corporation
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for finding and classifying patterns in an image...
- Patent number 11,568,629
- Issue date Jan 31, 2023
- Cognex Corporation
- Lei Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for 3D profile determination using model-based pe...
- Patent number 11,415,408
- Issue date Aug 16, 2022
- Cognex Corporation
- David Y. Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for finding lines in an image with a vision system
- Patent number 10,902,568
- Issue date Jan 26, 2021
- Cognex Corporation
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for 3D profile determination using model-based pe...
- Patent number 10,753,726
- Issue date Aug 25, 2020
- Cognex Corporation
- David Y. Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for aligning two work pieces with a vision system...
- Patent number 10,477,154
- Issue date Nov 12, 2019
- Cognex Corporation
- David Y. Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
System and method for finding lines in an image with a vision system
- Patent number 10,152,780
- Issue date Dec 11, 2018
- Cognex Corporation
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Machine vision system calibration using inaccurate calibration targets
- Patent number 10,032,273
- Issue date Jul 24, 2018
- Cognex Corporation
- Gang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for validating camera calibration in a vision system
- Patent number 9,734,419
- Issue date Aug 15, 2017
- Cognex Corporation
- Xiangyun Ye
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for automatically determining pose of a shape
- Patent number 9,569,850
- Issue date Feb 14, 2017
- Cognex Corporation
- Guruprasad Shivaram
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Imaging system for determining multi-view alignment
- Patent number 9,189,702
- Issue date Nov 17, 2015
- Cognex Corporation
- Xiaoguang Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Code and part associating method and apparatus
- Patent number 8,733,656
- Issue date May 27, 2014
- Cognex Corporation
- Lei Wang
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
System and method for three-dimensional alignment of objects using...
- Patent number 8,442,304
- Issue date May 14, 2013
- Cognex Corporation
- Cyril C. Marrion
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatuses to determine the state of elements
- Patent number 6,714,670
- Issue date Mar 30, 2004
- Cognex Corporation
- Kirk F. Goldsworthy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatuses for normalizing the intensity of an image
- Patent number 6,577,775
- Issue date Jun 10, 2003
- Cognex Corporation
- David Y. Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analyzing an acquired arrangement of object locations
- Patent number 6,353,676
- Issue date Mar 5, 2002
- Cognex Coporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analysis of an image of a pattern of discrete objects
- Patent number 6,289,117
- Issue date Sep 11, 2001
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interface for model definition
- Patent number 6,141,009
- Issue date Oct 31, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analyzing an image of an arrangement of discrete objects
- Patent number 6,130,959
- Issue date Oct 10, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analysis of an image of a pattern of discrete objects
- Patent number 6,118,893
- Issue date Sep 12, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Interface for model definition
- Patent number 6,115,042
- Issue date Sep 5, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Classifying pixels of an image
- Patent number 6,067,376
- Issue date May 23, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Analyzing an acquired arrangement of object locations
- Patent number 6,055,328
- Issue date Apr 25, 2000
- Cognex Corporation
- David Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for high speed identification of objects havin...
- Patent number 5,742,037
- Issue date Apr 21, 1998
- Cognex Corp.
- Joseph R. Scola
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for inspection of characteristics on non-rigid...
- Patent number 5,673,334
- Issue date Sep 30, 1997
- Cognex Corporation
- Sanjay Nichani
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR FINDING AND CLASSIFYING PATTERNS IN AN IMAGE...
- Publication number 20240005148
- Publication date Jan 4, 2024
- COGNEX CORPORATION
- Lei Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR THREE-DIMENSIONAL CALIBRATION OF A VISION SYSTEM
- Publication number 20210291376
- Publication date Sep 23, 2021
- Cognex Corporation
- Xiaoguang Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM
- Publication number 20210183032
- Publication date Jun 17, 2021
- COGNEX CORPORATION
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR 3D PROFILE DETERMINATION USING MODEL-BASED PE...
- Publication number 20210148694
- Publication date May 20, 2021
- COGNEX CORPORATION
- David Y. Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR FINDING AND CLASSIFYING PATTERNS IN AN IMAGE...
- Publication number 20200005069
- Publication date Jan 2, 2020
- COGNEX CORPORATION
- Lei Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM
- Publication number 20190378254
- Publication date Dec 12, 2019
- COGNEX CORPORATION
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HIGH-ACCURACY CALIBRATION SYSTEM AND METHOD
- Publication number 20190122388
- Publication date Apr 25, 2019
- COGNEX CORPORATION
- David Y. Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR 3D PROFILE DETERMINATION USING MODEL-BASED PE...
- Publication number 20190101376
- Publication date Apr 4, 2019
- COGNEX CORPORATION
- David Y. Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM
- Publication number 20170236258
- Publication date Aug 17, 2017
- COGNEX CORPORATION
- Yu Feng Hsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR LOCATING FIDUCIALS WITH KNOWN SHAPE
- Publication number 20150104068
- Publication date Apr 16, 2015
- COGNEX CORPORATION
- Guruprasad Shivaram
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MACHINE VISION SYSTEM CALIBRATION USING INACCURATE CALIBRATION TARGETS
- Publication number 20140267681
- Publication date Sep 18, 2014
- Gang Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR ALIGNING TWO WORK PIECES WITH A VISION SYSTEM...
- Publication number 20140253720
- Publication date Sep 11, 2014
- COGNEX CORPORATION
- David Y. Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Imaging System for Determining Multi-View Alignment
- Publication number 20140185942
- Publication date Jul 3, 2014
- COGNEX CORPORATION
- Xiaoguang Wang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CODE AND PART ASSOCIATING METHOD AND APPARATUS
- Publication number 20130313312
- Publication date Nov 28, 2013
- Lei Wang
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Application
SYSTEM AND METHOD FOR RUNTIME DETERMINATION OF CAMERA MISCALIBRATION
- Publication number 20110157373
- Publication date Jun 30, 2011
- COGNEX CORPORATION
- Xiangyun Ye
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR THREE-DIMENSIONAL ALIGNMENT OF OBJECTS USING...
- Publication number 20100166294
- Publication date Jul 1, 2010
- COGNEX CORPORATION
- Cyril C. Marrion
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

System and method for finding and classifying patterns in an image...

System and method for finding lines in an image with a vision system

System and method for finding lines in an image with a vision system

System and method for finding and classifying patterns in an image...

System and method for 3D profile determination using model-based pe...

System and method for finding lines in an image with a vision system

System and method for 3D profile determination using model-based pe...

System and method for aligning two work pieces with a vision system...

System and method for finding lines in an image with a vision system

Machine vision system calibration using inaccurate calibration targets

System and method for validating camera calibration in a vision system

System and method for automatically determining pose of a shape

Imaging system for determining multi-view alignment

Code and part associating method and apparatus

System and method for three-dimensional alignment of objects using...

Methods and apparatuses to determine the state of elements

Methods and apparatuses for normalizing the intensity of an image

Analyzing an acquired arrangement of object locations

Analysis of an image of a pattern of discrete objects

Interface for model definition

Analyzing an image of an arrangement of discrete objects

Analysis of an image of a pattern of discrete objects

Interface for model definition

Classifying pixels of an image

Analyzing an acquired arrangement of object locations

Method and apparatus for high speed identification of objects havin...

Method and apparatus for inspection of characteristics on non-rigid...

Patents Applicationslast 30 patents

SYSTEM AND METHOD FOR FINDING AND CLASSIFYING PATTERNS IN AN IMAGE...

SYSTEM AND METHOD FOR THREE-DIMENSIONAL CALIBRATION OF A VISION SYSTEM

SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM

SYSTEM AND METHOD FOR 3D PROFILE DETERMINATION USING MODEL-BASED PE...

SYSTEM AND METHOD FOR FINDING AND CLASSIFYING PATTERNS IN AN IMAGE...

SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM

HIGH-ACCURACY CALIBRATION SYSTEM AND METHOD

SYSTEM AND METHOD FOR 3D PROFILE DETERMINATION USING MODEL-BASED PE...

SYSTEM AND METHOD FOR FINDING LINES IN AN IMAGE WITH A VISION SYSTEM

SYSTEM AND METHOD FOR LOCATING FIDUCIALS WITH KNOWN SHAPE

MACHINE VISION SYSTEM CALIBRATION USING INACCURATE CALIBRATION TARGETS

SYSTEM AND METHOD FOR ALIGNING TWO WORK PIECES WITH A VISION SYSTEM...

Imaging System for Determining Multi-View Alignment

CODE AND PART ASSOCIATING METHOD AND APPARATUS

SYSTEM AND METHOD FOR RUNTIME DETERMINATION OF CAMERA MISCALIBRATION

SYSTEM AND METHOD FOR THREE-DIMENSIONAL ALIGNMENT OF OBJECTS USING...