Li; Pingshan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Li; Pingshan.The latest application filed is for "method for controlling subsidence area caused by underground mining in adjoining open-pit mine".

Company Profile

3.54.52

Li; Pingshan - Jiangsu CN
Li; Pingshan - San Jose CA
Li; Pingshan - Sunnyvale CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for controlling subsidence area caused by underground mining in adjoining open-pit mine Grant 11,085,296 - Ju , et al. August 10, 2	2021-08-10
Optical flow based detection and tracking of multiple moving objects in successive frames Grant 11,037,303 - Li June 15, 2	2021-06-15
Moving object detection in image frames based on optical flow maps Grant 10,916,019 - Li February 9, 2	2021-02-09
Method For Controlling Subsidence Area Caused By Underground Mining In Adjoining Open-pit Mine App 20200300090 - Ju; Feng ; et al.	2020-09-24
Moving Object Detection In Image Frames Based On Optical Flow Maps App 20200250836 - Kind Code	2020-08-06
Optical Flow Based Detection And Tracking Of Multiple Moving Objects In Successive Frames App 20200250832 - Kind Code	2020-08-06
Image processing for automatic detection of focus area Grant 10,432,853 - Li O	2019-10-01
Method and system for video processing Grant 10,242,288 - Li	2019-03-26
Device and method for detecting regions in an image Grant 10,122,912 - Li November 6, 2	2018-11-06
System and method for background subtraction in video content Grant 10,121,093 - Li November 6, 2	2018-11-06
Device And Method For Detecting Regions In An Image App 20180295273 - LI; Pingshan	2018-10-11
System And Method For Background Subtraction In Video Content App 20180293457 - LI; Pingshan	2018-10-11
Optical Flow And Sensor Input Based Background Subtraction In Video Content App 20180293735 - LI; PINGSHAN ; et al.	2018-10-11
Method And Device For Image Processing App 20180249072 - LI; PINGSHAN	2018-08-30
Method And System For Video Processing App 20180129902 - LI; PINGSHAN	2018-05-10
Calibration methods for thick lens model Grant 9,781,412 - Tu , et al. October 3, 2	2017-10-03
Focus detection Grant 9,715,721 - Li , et al. July 25, 2	2017-07-25
Focus Detection App 20170178296 - Li; Pingshan ; et al.	2017-06-22
Defocus estimation from single image based on Laplacian of Gaussian approximation Grant 9,646,225 - Li , et al. May 9, 2	2017-05-09
Image processing system with hybrid depth estimation and method of operation thereof Grant 9,639,946 - Sun , et al. May 2, 2	2017-05-02
Defocus Estimation From Single Image Based On Laplacian Of Gaussian Approximation App 20170053187 - Li; Pingshan ; et al.	2017-02-23
Image processing system with depth map determination based on iteration count of blur difference and method of operation thereof Grant 9,530,214 - Li December 27, 2	2016-12-27
Depth Estimation From Image Defocus Using Multiple Resolution Gaussian Difference App 20160295098 - Li; Pingshan ; et al.	2016-10-06
Image Processing System With Hybrid Depth Estimation And Method Of Operation Thereof App 20160267670 - Sun; Yi ; et al.	2016-09-15
Imaging system with depth estimation mechanism and method of operation thereof Grant 9,418,432 - Bakhtiari , et al. August 16, 2	2016-08-16
Calibration Methods For Thick Lens Model App 20160227206 - Tu; Xue ; et al.	2016-08-04
Image Processing System With Aperture Change Depth Estimation And Method Of Operation Thereof App 20160163055 - Li; Pingshan	2016-06-09
Methodology for performing depth estimation with defocused images under extreme lighting conditions Grant 9,262,833 - Li , et al. February 16, 2	2016-02-16
System and method for performing depth estimation by utilizing an adaptive kernel Grant 9,208,570 - Ali , et al. December 8, 2	2015-12-08
System and method for generating robust depth maps utilizing a multi-resolution procedure Grant 9,161,010 - Ali , et al. October 13, 2	2015-10-13
Imaging System With Depth Estimation Mechanism And Method Of Operation Thereof App 20150279043 - Bakhtiari; Somayeh ; et al.	2015-10-01
System and method for utilizing enhanced scene detection in a depth estimation procedure Grant 9,066,002 - Miyagi , et al. June 23, 2	2015-06-23
System and method for evaluating focus direction under various lighting conditions Grant 9,020,280 - Li , et al. April 28, 2	2015-04-28
System and method for performing depth estimation utilizing defocused pillbox images Grant 8,929,607 - Li , et al. January 6, 2	2015-01-06
Optimal blur matching selection for depth estimation Grant 8,848,094 - Li September 30, 2	2014-09-30
Camera autofocus adaptive blur matching model fitting Grant 8,736,747 - Li May 27, 2	2014-05-27
System and method for utilizing scene detection in a depth estimation procedure Grant 8,736,707 - Li , et al. May 27, 2	2014-05-27
Multi-resolution Depth-from-defocus-based Autofocus App 20140132822 - Miyagi; Kensuke ; et al.	2014-05-15
System And Method For Utilizing Enhanced Scene Detection In A Depth Estimation Procedure App 20140064552 - Miyagi; Kensuke ; et al.	2014-03-06
Motion robust depth estimation using convolution and wavelet transforms Grant 8,624,986 - Li January 7, 2	2014-01-07
Blur difference estimation using multi-kernel convolution Grant 8,564,712 - Li October 22, 2	2013-10-22
Method and apparatus for super-resolution imaging using digital imaging devices Grant 8,553,093 - Wong , et al. October 8, 2	2013-10-08
System And Method For Performing Depth Estimation By Utilizing An Adaptive Kernel App 20130258096 - Ali; Gazi ; et al.	2013-10-03
Camera Autofocus Adaptive Blur Matching Model Fitting App 20130182152 - Li; Pingshan	2013-07-18
Detection of low contrast for image processing Grant 8,463,037 - Miyagi , et al. June 11, 2	2013-06-11
System And Method For Evaluating Focus Direction Under Various Lighting Conditions App 20130142386 - Li; Pingshan ; et al.	2013-06-06
Optimal Blur Matching Selection For Depth Estimation App 20130141630 - Li; Pingshan	2013-06-06
System And Method For Generating Robust Depth Maps Utilizing A Multi-Resolution Procedure App 20130142415 - Ali; Gazi ; et al.	2013-06-06
System And Method For Utilizing Scene Detection In A Depth Estimation Procedure App 20130141615 - Li; Pingshan ; et al.	2013-06-06
System And Method For Performing Depth Estimation Utilizing Defocused Pillbox Images App 20130142394 - Li; Pingshan ; et al.	2013-06-06
Methodology For Performing Depth Estimation With Defocused Images Under Extreme Lighting Conditions App 20130141537 - Li; Pingshan ; et al.	2013-06-06
Focus direction detection confidence system and method Grant 8,411,195 - Li , et al. April 2, 2	2013-04-02
Blur function modeling for depth of field rendering Grant 8,335,390 - Li , et al. December 18, 2	2012-12-18
Detection Of Low Contrast For Image Processing App 20120250999 - Miyagi; Kensuke ; et al.	2012-10-04
Focus Direction Detection Confidence System And Method App 20120249816 - Li; Pingshan ; et al.	2012-10-04
Motion Robust Depth Estimation Using Convolution And Wavelet Transforms App 20120249833 - Li; Pingshan	2012-10-04
Reduced hardware implementation for a two-picture depth map algorithm Grant 8,280,194 - Wong , et al. October 2, 2	2012-10-02
Blur Difference Estimation Using Multi-kernel Convolution App 20120236170 - Li; Pingshan	2012-09-20
Algorithms for estimating precise and relative object distances in a scene Grant 8,229,172 - Wong , et al. July 24, 2	2012-07-24
Two-dimensional polynomial model for depth estimation based on two-picture matching Grant 8,199,248 - Li , et al. June 12, 2	2012-06-12
Fast camera auto-focus Grant 8,194,995 - Wong , et al. June 5, 2	2012-06-05
Fast iterative motion estimation method on gradually changing images Grant 8,179,474 - Miyagi , et al. May 15, 2	2012-05-15
Four-dimensional polynomial model for depth estimation based on two-picture matching Grant 8,045,046 - Li , et al. October 25, 2	2011-10-25
Four-dimensional Polynomial Model For Depth Estimation Based On Two-picture Matching App 20110249173 - Li; Pingshan ; et al.	2011-10-13
Autofocus with confidence measure Grant 8,027,582 - Li September 27, 2	2011-09-27
Blur Function Modeling For Depth Of Field Rendering App 20110229052 - Li; Pingshan ; et al.	2011-09-22
Autofocus With Confidence Measure App 20110150447 - Li; Pingshan	2011-06-23
Algorithms For Estimating Precise And Relative Object Distances In A Scene App 20110142287 - Wong; Earl ; et al.	2011-06-16
Fast Iterative Motion Estimation Method On Gradually Changing Images App 20110050930 - Miyagi; Kensuke ; et al.	2011-03-03
Two-dimensional Polynomial Model For Depth Estimation Based On Two-picture Matching App 20100194971 - Li; Pingshan ; et al.	2010-08-05
System and method for performing wavelet-based texture feature extraction and classification Grant 7,734,107 - Li June 8, 2	2010-06-08
Fast Camera Auto-Focus App 20100080482 - Wong; Earl Quong ; et al.	2010-04-01
Method And Apparatus For Super-Resolution Imaging Using Digital Imaging Devices App 20100079608 - Wong; Earl Quong ; et al.	2010-04-01
Image classification based on a mixture of elliptical color models Grant 7,672,508 - Li March 2, 2	2010-03-02
Reduced Hardware Implementation For A Two-Picture Depth Map Algorithm App 20090268985 - Wong; Earl Quong ; et al.	2009-10-29
Evaluation of element distribution within a collection of images based on pixel scatterness Grant 7,609,891 - Li October 27, 2	2009-10-27
Image classification based on a mixture of elliptical color models App 20070236712 - Li; Pingshan	2007-10-11
System and method for performing wavelet-based texture feature extraction and classification App 20070201754 - Li; Pingshan	2007-08-30
System and method for effectively extracting facial feature information Grant 7,239,726 - Li July 3, 2	2007-07-03
Scatterness of pixel distribution App 20070047806 - Li; Pingshan	2007-03-01
Face detection under varying rotation Grant 7,155,036 - Li December 26, 2	2006-12-26
System and method for effectively extracting facial feature information App 20030108225 - Li, Pingshan	2003-06-12
Face detection under varying rotation App 20020150280 - Li, Pingshan	2002-10-17

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